Academic literature on the topic 'Anthropogenic activities'

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Journal articles on the topic "Anthropogenic activities"

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Prakash, Sadguru, and Ashok Kumar Verma. "ANTHROPOGENIC ACTIVITIES AND BIODIVERSITY THREATS." International Journal of Biological Innovations 04, no. 01 (2022): 94–103. http://dx.doi.org/10.46505/ijbi.2022.4110.

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Mohammad Reza, Khaleghi. "The influence of deforestation and anthropogenic activities on runoff generation." Journal of Forest Science 63, No. 6 (June 27, 2017): 245–53. http://dx.doi.org/10.17221/130/2016-jfs.

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In recent decades, due to rapid human population increases and in its results, destructive effects of anthropogenic activities on natural resources have become a great challenge. Land use and vegetation are important factors in soil erosion and runoff generation. This study was performed to assess the effects of different amounts of forest cover on the control of runoff and soil loss in the Talar basin, which is located in Mazandaran province, using a runoffrainfall model, geographical information system (GIS) and remote sensing (RS) to determine the hydrologic effects of deforestation on the Talar watershed (north of Iran). A runoff-rainfall model has been presented using GIS (HECGeoHMS) and hydrologic model (HEC-HMS). Land use changes (deforestation) and anthropogenic activities (roads and impervious surfaces development) were evaluated using RS techniques and satellite images. We used the Soil Conservation Service and Curve Number methods for hydrograph simulation and runoff estimation, respectively. First, a model was performed and optimized. Afterward, the optimized model was evaluated by other six events of floods (model validation). According to the obtained results, the runoff generation potential has been increased in the Talar watershed due to deforestation during the last forty years. Land use changes cause an increase in runoff volume and flood peak discharge.
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Xie, Conghui, Shixin Wu, Qingwei Zhuang, Zihui Zhang, Guanyu Hou, Geping Luo, and Zengyun Hu. "Where Anthropogenic Activity Occurs, Anthropogenic Activity Dominates Vegetation Net Primary Productivity Change." Remote Sensing 14, no. 5 (February 23, 2022): 1092. http://dx.doi.org/10.3390/rs14051092.

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Anthropogenic activities and climate change affect the type, structure and function of ecosystems, resulting in important changes in vegetation net primary productivity (NPP). Therefore, in this study we used the vegetation photosynthesis model (VPM) to reveal the spatiotemporal variations in NPP in Xinjiang from 2000 to 2019. The impacts of climate change and anthropogenic activities on NPP changes were quantified and separated by the residual analysis-control variables (RES-CON) method. The results showed that the average NPP in Xinjiang increased by 17.77% from 2000 to 2019. Anthropogenic activities and climate change generally had a positive impact on NPP from 2000 to 2019. The most important anthropogenic activity was land use and land cover (LULC) transformation from grass to arable land, which significantly increased vegetation productivity. Regarding climate change, precipitation has played a significant role in promoting the productivity of vegetation. Overall, the average contribution of climate change (temperature and precipitation) to NPP variation (21.44%) is much greater than the contribution of anthropogenic activities (3.46%), but in areas where anthropogenic activities occur, the average contribution of anthropogenic activities to NPP variation (75.01%) is much greater than the average contribution of climate change (15.53%). Where there are no anthropogenic activities, the average contribution of climate change to NPP variation is 21.72%. In summary, anthropogenic activities are the main driver of NPP variation in areas where anthropogenic activities occur, while the total area in Xinjiang where climate change is the most important driver is larger than the total area where anthropogenic activities are the dominant driver.
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Annayat, Nargis, Mukesh Dixit, and Subrata Pani. "Impact of Anthropogenic Activities on Macrobenthic Biodiversity of Lower Lake Bhopal, Madhya Pradesh." AMBIENT SCIENCE 09, no. 02 _03 (August 2022): 87–91. http://dx.doi.org/10.21276/ambi.2022.09.2.aa05.

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Gagan, Matta, Avinash Kumar, Gulshan K. Dhingra, Singh Prashant, Gjyli Laura, and Amit Kumar. "Limnological assessment of anthropogenic activities of River Henwal." Journal of Chemical and Pharmaceutical Sciences 11, no. 01 (January 1, 2018): 77–86. http://dx.doi.org/10.30558/jchps.20181101015.

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Njau, Ernest C. "How anthropogenic activities influence terrestrial heat/temperature patterns." Renewable Energy 17, no. 3 (July 1999): 319–38. http://dx.doi.org/10.1016/s0960-1481(98)00755-1.

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Kärcher, Bernd. "Cirrus Clouds and Their Response to Anthropogenic Activities." Current Climate Change Reports 3, no. 1 (February 1, 2017): 45–57. http://dx.doi.org/10.1007/s40641-017-0060-3.

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Sharma, Neeraj Kumar, Manju P. Gusain, and O. P. Gusain. "A report on anthropogenic activities in the riparian zone of River Manuni, Himachal Pradesh." Environment Conservation Journal 13, no. 1&2 (June 18, 2012): 31–38. http://dx.doi.org/10.36953/ecj.2012.131206.

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Rivers are highly vulnerable to anthropogenic changes. The hill streams so far considered pristine are now being subjected to increased anthropogenic influences. The present study was undertaken to identify and assess the anthropogenic activities in the riparian zone of River Manuni, in Beas watershed. During the course of investigation anthropogenic activities like slate mining, river bed mining, water withdrawal for drinking and agriculture purpose, initiation of micro hydroelectric projects and number of miscellaneous activities have been observed in River Manuni during March 2009- February 2011.
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Xu, Fei, Lingling Zhao, Cunwen Niu, and Yaqin Qiu. "Effect of Climate Change and Anthropogenic Activities on Streamflow Indicators in a Tropical River Basin in Southern China." Water 14, no. 3 (January 20, 2022): 304. http://dx.doi.org/10.3390/w14030304.

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Climate change and anthropogenic activities are the two main driving elements influencing changes in streamflow. Previous studies mainly focused on the impacts of climate change and anthropogenic activities on annual mean streamflow (AMS), ignoring annual maximum streamflow (Amax) and annual minimum streamflow (Amin). On the other hand, most previous studies attributed the impacts of climate change and anthropogenic activities synoptically. However, the separate influence mechanism among climatic variables, such as precipitation, temperature, sunshine duration change, direct human activities, and land use cover change, needs further analysis. We used the Water and Energy transfer Processes in Large River basin (WEP–L) model to quantify the impacts of climatic variables (precipitation, temperature, and sunshine duration) and anthropogenic activities (land use cover change (LUCC) and direct human activities (DHAs)) on streamflow in the Caojiang River Basin (CRB) with a tropical climate. The results indicate that anthropogenic activities play a major role in streamflow indictor variation. Of the investigated factors related to climate change, precipitation showed the greatest impact on streamflow variation. Notably, DHA contributed the most to the variation of the three streamflow indictors, followed by precipitation, temperature, and sunshine duration, while LUCC had a much lower impact on streamflow variation. This study investigated the response of different streamflow indicators (AMS, Amax, and Amin) to climate change and anthropogenic activities, and it is of value to watershed resource planning and management.
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Li, Yuan, Lingchao Fang, Wang Yuanzhu, Wujuan Mi, Li Ji, Zhang Guixiang, Pingheng Yang, Zhongbing Chen, and Yonghong Bi. "Anthropogenic activities accelerated the evolution of river trophic status." Ecological Indicators 136 (March 2022): 108584. http://dx.doi.org/10.1016/j.ecolind.2022.108584.

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Dissertations / Theses on the topic "Anthropogenic activities"

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Correa, Cano María Eugenia. "Macroecological patterns of plant species and anthropogenic activities." Thesis, University of Exeter, 2015. http://hdl.handle.net/10871/22975.

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The study of macroecology not only identifies patterns in the distribution and abundance of species at large spatial and temporal scales, it also gives insight into the processes underlying those patterns. The contribution of this work is not limited to helping develop the field of ecology per se, but also provides important insights into the understanding of large scale processes like climate change, the spread of introduced species, pest control and how increasing pressure from anthropogenic activities threatens biodiversity and ecosystem services. During the first decade following its formal inception, most of the progress in macroecology was made through studies of animal species, and research into plant species continues to lag far behind. This thesis contributes to the study of the macroecology of plant species by examining some selected macroecological patterns that have been studied only for animal species and by including an important issue that might have significant effects on diverse macroecological patterns, namely anthropogenic activities. The second and third chapters of the thesis address the generalised individuals-area relationship (GIAR) and the patch individuals-area relationship (PIAR), two macroecological relationships not previously explored for plant species. I show for the first time the existence of negative GIARs at the intraspecific and interspecific levels in plant species, similar to those documented for animal species. Unlike animal species, I did not find a broadly consistent intraspecific PIAR in plant species; more than half of the tested species showed negative PIARs. The resource concentration hypothesis may help explain those positive PIARs that were observed. The fourth chapter considers the effect of past human activities on current patterns of plant species richness at a landscape scale. Using a detailed database on the historical anthropogenic activities for Cornwall, U.K., I examine the relationship between species richness and the area covered by each historical land-use at two different spatial resolutions (10km x 10km and 2km x 2km). I find that at the 10km x10km scale human activities carried out since the 17th and 19th centuries explain an important proportion of the variation in current plant species richness. In contrast, a model at 2km x 2km scale with upland woods and the total land area of a grid cell explain only 5% of the variation. The fifth and sixth chapters focus on how artificial light at night (ALAN), which has increasingly come to attention as a significant anthropogenic pressure on species, is interacting with the distributions of plant species. In the fourth chapter, I consider the plant family Cactaceae to determine the proportion of the global distribution ranges of species that is being influenced by ALAN, and how this changes with the size of these distribution ranges and over a 21-year period (1992 to 2012). I found that >80% of cacti species are experiencing ALAN somewhere in their distribution range, and that there is a significant upward trend in ALAN in the ranges of the vast majority of species. For the sixth chapter, I consider similar issues for the threatened plant species of Britain, exploiting new remote sensing imagery of nighttime lighting at a very fine spatial resolution (c.340x340m2). Only 8% of Britain is free of artificial light at night and in consequence a high number of threatened plant species have a high proportion of their range under some influence of ALAN.
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Macgregor, Kenneth Gordon Neils. "Spatial and temporal variations in potentially toxic elemental (Sb, Pb, Cu and Zn) and PAH concentrations and associations in run-off from urban and rural areas of Scotland." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/25497.

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Since the UK industrial revolution, coal combustion, ore smelting and other industrial activities have resulted in a marked increase in emissions of potentially toxic elements (PTEs) such as antimony (Sb), lead (Pb), arsenic (As), copper (Cu) and zinc (Zn), along with polycyclic aromatic hydrocarbons (PAHs), to the atmosphere. Although stricter environmental regulation and improved technology has led to a notable decline for some contaminant emissions in recent decades, this has not been observed for all elements, e.g. Sb, where only a modest reduction in emissions have been recorded. Once emitted, Sb along with Pb, As, Cu, Zn and PAHs may persist in the environment for considerable periods of time after their release; although their chemical associations may change, elements are not broken down over time and organic contaminants may break down slowly. Above all, PTEs and PAHs are detrimental to human and environmental health, with chemical forms of Sb, Pb, As and PAHs categorised as carcinogenic. Understanding their behaviour and fate in the environment is therefore an important step towards evaluating their likely impact on both ecosystem and human health. Consequently, this study focuses on the release, behaviour and fate of contaminants from current and past anthropogenic sources in the urban and rural environment, with a specific interest in Sb and PAHs, where emissions originate from similar anthropogenic sources, with Pb, As, Cu and Zn also included for comparison purposes. Current and past industrial activity was identified as the dominant source of PTEs and PAHs to the urban environment, with emissions from vehicle, coal combustion and metal smelting identified as main contributors to total contaminant concentrations. Using road dust collected from Edinburgh at five high- and low-traffic roads at a distance of 10 and 50 m from the closest road junction, concentrations of Sb, Pb, Cu, Zn, PAHs and Pb isotope ratios were determined, with road dust undergoing further characterisation using chemical (sequential extraction) and spectroscopic (X-ray diffraction, SEM-EDX) techniques. No consistent trend for the element concentrations released from vehicles braking at 10 and 50 m from the closest road junction was observed. Mean concentrations for Sb, Cu and Zn were 5.3 ± 2.8 mg kg-1, 91.4 ± 48 mg kg-1 and 237 ± 144 mg kg-1, respectively, and were similar to road dust sampled from five high- and five low-traffic locations in Glasgow (Sb 4.5 ± 2.1 mg kg-1; Cu 117 ± 71.9 mg kg-1; Zn: 283 ± 146 mg kg-1). This was in contrast to mean concentrations for Pb and Σ16PAHs obtained from Glasgow (Pb 250 ± 283 mg kg-1, Σ16PAH 7.7 ± 4.3 mg kg-1) where values were approximately double and two-thirds greater than those found in Edinburgh (Pb 135 ± 129 mg kg-1, Σ16PAH 4.7 ± 2.9 mg kg-1), respectively. Lead isotopic analysis of Glasgow road dust (206Pb/207Pb range of 1.140-1.174) showed a strong influence of past emissions from coal combustion and metal smelting, and was in agreement with Glasgow's industrial history. For Edinburgh, the isotopic signature was considerably lower (206Pb/207Pb range of 1.116-1.151), and was influenced moreso by emissions of Australian sourced Pb in leaded fuel. Isotopic signatures in Edinburgh were lowest at easterly locations within 5 km of Edinburgh airport (206Pb/207Pb ~ 1.12), and corresponded with past vehicle emissions from leaded petrol use, and to a lesser degree, emissions from avgas, which was consistent with the mean annual wind direction for Edinburgh. The mobility of elements from the road dust to the aqueous phase were assessed by sequential extraction, and by using road surface water samples which showed mobility decreased in the order of Zn > Cu > Pb > Sb. Road dust characterised by XRD and SEM-EDX had a high proportion of quartz present (~55%), whilst the presence of less abundant minerals such as calcite were found to increase Pb mobility through ease of dissolution into the aqueous phase. For the rural environment, the behaviour and fate of elemental pollution originating from two former mining sites, an Sb mine at Glendinning, SW Scotland, and a Pb mine at Tyndrum in central Scotland was examined. Under specific environmental conditions, Sb was found to be both mobile and immobile in the environment. The chemical weathering of stibnite found in spoil heaps at Glendinning Sb mine demonstrated that ~3% of total Sb can be mobilised during the chemical weathering process, while hydrous Fe oxides and organic matter in the surrounding soil favoured its retention. The retention of Sb, along with Pb, was similarly observed in Loch Tay sediment downstream of Tyndrum Pb mine, where upon deposition, Sb and Pb remained immobile in sediment and allowed the construction of deposition chronologies for two sediment cores to be established. Excellent agreement between the sediment core deposition chronologies was observed, with both chronologies identifying atmospheric deposition as the primary source of Sb to Loch Tay sediment, whilst the dominant source of Pb was from Tyndrum Pb mine ~25 km upstream of Loch Tay. Relative to Sb and Pb, As had the greatest mobility, with its geochemical behaviour and partial retention by the solid phase influenced by the presence of Fe. This was evident in the surrounding soil at Glendinning Sb mine, where As was associated with hydrous Fe oxides present in the solid phase, while at Loch Tay, the redox cycling of Fe resulted in the post-depositional mobility of As in sediment. The use of ombrotrophic peat bogs for this study provided an effective means to assess atmospheric deposition of contaminants over past centuries; they continually accumulate and receive all their nutrients and contaminants exclusively by deposition from the atmosphere. The deposition archives of Sb and Pb from two Scottish peat cores sampled from Great Moss, Cairngorms Mountains, and, Auchencorth Moss, Midlothian, were used to construct chronologies for historic and contemporary emissions, particularly in relation to current and historic anthropogenic activities observed in urban and rural environments. At Great Moss, the deposition of Sb and Pb during the 19th century increased by a factor of 10 and 4, respectively, as a result of the industrial revolution and emissions from the combustion of coal and metal smelting. The trend continued into the 20th century where Sb and Pb deposition peaked ~1950, followed by a decline towards the early 21st century by a factor of 5 and 11, respectively. Over this period of time, the contribution from coal combustion and metal smelting towards total anthropogenic emissions was on the decline, while emissions from the combustion of leaded fuel increased until the ~1980s. Although deposition chronologies before 1970 for Sb and Pb at Auchencorth Moss were generally in agreement with those from Great Moss, several differences were observed after 1970, or more specifically, in the top ~10 cm of the peat core. This was a result of sub-surface perturbations for Ti, Sb, Pb and 210Pb concentrations, and indicated once deposited, elements were susceptible to post-depositional mobility brought about from a change in environmental conditions. The thicker acrotelm layer present at Auchencorth Moss, and the vertical movement of the peat water-table within this layer, resulted in a change in redox conditions and led to the redox cycling of Mn and Fe, which in turn, influenced vertical concentrations of Ti, Sb, Pb and 210Pb. While Sb and Pb are usually found immobile in peat systems, the post-deposition mobility of Sb and Pb at Auchencorth Moss was comparable to a peat core sampled from Flanders Moss, and indicated that under specific environmental conditions, both elements can become mobile in ombrotrophic peat bogs. It is worth bearing in mind however, that these results are the exception, and in all other cases ombrotrophic peat bogs remain a reliable archival material to use.
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Matheussen, Bernt Viggo. "Effects of anthropogenic activities on snow distribution, and melt in an urban environment." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Engineering Science and Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-243.

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In many parts of the world snow melt runoff influence discharge from combined sewer overflows (CSO) and flooding in urban drainage systems. Despite this, urban snow hydrology is a field that has received little attention from the urban drainage community. The objectives of this research were to better understand urban snow hydrology and through field work and hydrological modelling quantify effects of anthropogenic activities (AA) on snow distribution, and melt in an urban environment. This means in principle how the presence (design geometry) and operation of roads and buildings influence the snow distribution and melt in urban areas. The Risvollan urban catchment (20 ha) located in Trondheim, Norway, was used as a study area. A literature review of urban snow hydrology was also carried out.

A gridded urban hydrology model (GUHM) was developed as part of the study. The principal idea of the GUHM is to subdivide an urban catchment into orthogonal equal area grid cells. The snow routine in the GUHM is based on an energy balance approach, which together with a soil-runoff routine is used to calculate a time series of rain, snow water equivalent (SWE), snow melt, and runoff, for each grid cell. In GUHM, processes such as snow clearing of roads, locally low albedos, heat/shadowing from buildings, and effects of slope and aspect are included in the model structure.

A technique for observing time series of snow covered area (SCA) for an urban catchment is presented. The method is based on image processing and neural network technology to calculate SCA from a time series of images taken from a tall building in the Risvollan catchment. It was shown that SCA on roads and roofs in general becomes more rapidly snow free during melt periods compared to the park areas of the Risvollan catchment. This can be explained by snow clearing of roads, snowdrift from roofs and high snow melt rates on roofs and roads. The high melt rates was attributed to locally low albedos in vicinity to roads, rooftop snow packs exposure to wind and solar radiation, in addition to anthropogenic heat release from the roofs themselves.

Field observations of SWE were carried out in the Risvollan catchment and it was shown that areal mean SWE located on/or nearby roads and buildings were significantly lower during mid and end of the winter, than in park areas. This can be attributed to higher melt rates caused by AA. A time series of SCA and SWE was obtained through field work for the period from 2000 to 2003 in the Risvollan catchment.

The GUHM was applied and calibrated for the Risvollan catchment for a three year period. Two seasons were used as validation period. Comparison between the simulated and observed SWE, SCA and runoff data showed that the GUHM was able to simulate snow accumulation and melt for whole seasons with short time resolution (1 hour) satisfactory.

The GUHM was used to quantify effects of AA on snow distribution and melt for six different land use scenarios in the Risvollan catchment for the period June 1998 to June 2003. The modelling results showed that when the area coverage of buildings and roads increased, the SCA and SWE more rapidly decreased during melt periods. Because of this more runoff will be produced in the early winter season (Jan-March) compared to if the catchment had been covered with only sparsely vegetated areas.

The simulation results showed that when the impervious surface covers of a catchment increase, the peak and volume runoff will also increase, as expected.

Both the field observations and the hydrological model study carried out in this work showed that AA lowers SCA and SWE more rapidly in an urban environment compared to more untouched terrain. The reasons for this are redistribution of snow, and strong snow melt rates on roads, roofs, and in snow deposit areas. Low albedos and anthropogenic heat release are the main reasons for the enhanced snow melt rates.

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Al-Maslamani, Mohammed Jassim. "Assessment of atmospheric emissions due to anthropogenic activities in the state of Qatar." Thesis, Brunel University, 2008. http://bura.brunel.ac.uk/handle/2438/3498.

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Atmospheric pollutants in the state of Qatar are derived from flaring and fugitive emissions due to a combination of new energy projects, operational conditions and plant operational problems. This research is the first attempt to quantitatively assess key atmospheric pollutants in Qatar, in accordance with the Kyoto agreements to reduce greenhouse gas production. Two datasets were analysed: 1. Between 2000 and 2002, data collected by industrial plants, as part of their own procedures, were assembled using a proforma questionnaire, to compile data on fuel consumption, fuel type, chemical characteristics, heat value, specific gravity etc, from industries in Qatar. The survey involved the oil & gas industry, petrochemical factories, power & desalination plants. Fuel data includes sulfur & nitrogen contents, chemical composition of flared gas and C content, some data compiled on road transport and fuel consumption. Analysis revealed significant atmospheric pollution. 2. Independent air-quality monitoring stations collected data between 2003 and 2005 to compare with data provided by industry. Three locations were chosen because of proximity to industrial plants: Mesaieed on the southeast coast, Dukhan on the west coast, and Halul Island, an offshore installation 30 km east of Qatar in the Arabian Gulf. Five key tropospheric pollutants (NO2, SO2, CO, O3 and PM10), wind speed and wind direction, were monitored hourly from three stations located near gas installations across Qatar. Registered levels of CO, NO2 and SO2 were within Qatari and European Standards. PM10, however, was higher than the standards in all three stations and measured daily O3 levels were sometimes higher than the reference for Halul Island. Therefore, in contrast to industry data, the monitoring sites showed much pollution is below (better than) accepted thresholds, the difference between the two datasets illustrating the complexity involved in correctly monitoring pollution, and the effect of wind direction and dispersal of pollutants. Therefore these results have stimulated a comprehensive response to pollution monitoring in Qatar between 2005 and the present day, leading to reduction in flaring and fugitive emissions over the last few years, by as much as 50% in some operations, as a result of more careful operational planning, upgrading and better controls applied to new and existing projects. This research therefore provided much of the stimulus for emission reduction in Qatar, currently being investigated under the Clean Development Mechanism and Technology Transfer.
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Marti, Serrano Elisabet. "Occurrence of antibiotic resistance genes in aquatic microbial communities exposed to anthropogenic activities." Doctoral thesis, Universitat de Girona, 2014. http://hdl.handle.net/10803/671847.

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The overuse of antibiotics has led to the selection of resistant strains. This thesis investigated the occurrence of antibiotic resistance genes (ARGs) in aquatic microbial communities influenced by anthropogenic activities. In this study, qPCR assays were designed to quantify the plasmid-mediated quinolone resistance in environmental samples. Then, several ARGs conferring resistance to several groups of antibiotics were quantified in biofilms and sediments from a wastewater treatment plant (WWTP) discharge point and the receiving river. Ciprofloxacin-resistant strains were also isolated an screened for the presence of qnr genes and aac(6’)-Ib-cr and their association with extended-spectrum β-lactamases. A multidrug resistance-encoding plasmid from an Aeromonas sp. was further characterized. Overall, ARGs were detected in different matrices (water, biofilm and sediment), both in bacteriophages and bacteria, and different sources (rivers, effluents from several human and veterinary hospitals, subterranean water, chicken faeces and WWTP effluents), indicating that these emerging pollutants are widely distributed in the environments exposed to anthropogenic activities
L'ús excessiu d'antibiòtics ha portat a la selecció de soques resistents. En aquesta tesi es va investigar l'aparició de gens de resistència als antibiòtics (ARGs) a les comunitats microbianes aquàtiques impactades per activitats antropogèniques. En primer lloc, es van dissenyar assajos de qPCR per quantificar gens de resistència a quinolones localitzats en plàsmids. A continuació, es van quantificar diversos ARGs que confereixen resistència a diversos grups d'antibiòtics en biofilms i sediments d'un punt d'abocament d'una planta de tractament d'aigües residuals (EDAR) i del riu receptor. També es van aïllar soques resistents a la ciprofloxacina i es va analitzar la presència de gens qnr i aac (6')-Ib-cr i la seva associació amb beta-lactamases d'ampli espectre. Per acabar, es va caracteritzar un plàsmid multiresistent procedent d'Aeromonas sp. En general, es van detectar ARGs en diferents matrius (aigua, biofilm i sediments), tant en bacteriòfags com a bacteris, i en diferents fonts (rius, efluents de diversos hospitals humans i veterinaris, aigües subterrànies, excrements de pollastre i efluents d'EDAR) , el que indica que aquests contaminants emergents estan àmpliament distribuïts en els ambients exposats a activitats antropogèniques
Programa de Doctorat en Ciències Experimentals i Sostenibilitat
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Varin, Marie-Pierre. "The Role of Iron and Anthropogenic Activities in Eutrophication: A Contemporary and Paleolimnological Study." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34618.

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In this study, I examined water chemistry of 31 Canadian Shield lakes in relation to catchment characteristics to test the hypothesis that Shield lakes with more marble may exhibit iron (Fe) deficiency and, hence, be more vulnerable to eutrophication. I performed a diatom-based paleolimnological reconstruction of one of these lakes (Heney Lake), which was subjected to anthropogenic stresses including a fish farm. Results suggest that the presence of marble influenced lake chemistry, including lowering the ratio of Fe: P. The reconstruction of historical P concentrations was not statistically possible but past Fe could be inferred, which no previous study has attempted. Certain eutrophication-associated diatom species suggest that logging and European settlement beginning in the early XXth century led to a slight increase in nutrient concentrations. However, a more important diatom species shift was likely related to climate change, as observed in other temperate lakes worldwide.
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Maochuan, Hu. "IMPACTS OF CLIMATE CHANGE AND ANTHROPOGENIC ACTIVITIES ON CATCHMENT WATER BALANCE AND HYDROLOGIC EXTREMES." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215515.

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Amisah, Stephen. "Impacts of anthropogenic activities on the fisheries of the Don, Rother and Dearne catchments." Thesis, University of Hull, 1998. http://hydra.hull.ac.uk/resources/hull:3797.

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Human uses and abuses of rivers have grown and diversified over the last few centuries with increasing urban development. With increasing population growth, there has been increasing demand for the use of rivers to satisfy a diverse range of human needs including solid waste disposal and the discharge of industrial, sewage and mining effluents. Rivers have been abstracted for agricultural and potable water supply and river channels have been modified for navigation, flood defences and hydro-electric power generation. These modifications to the river system disrupt the fabric of the aquatic ecosystem and diminish its integrity, affecting equally the capacity of fish and other organisms to survive. Fish depend on undamaged interactive pathways to enhance their survival, growth and recruitment.The Don, Rother and Dearne catchment in South Yorkshire and North East Derbyshire has suffered from a legacy of pollution and land contamination that dates back to the Industrial Revolution. These rivers have been grossly polluted from industrial, sewage, and mining effluents and from the disposal of solid wastes in the catchment. Much of the lengths of these rivers were fishless into the mid 1980s.Fish populations in the catchment remain low and species diversity is poor at most locations in the Don sub-catchment. Brown trout and coarse fish species are present in the Don catchment, with the salmonid populations confined to the upper reaches. Most tributaries of the River Don provide brown trout recruits to the main rivers but poor water quality and degraded habitats have prevented the successful colonisation of the waters by the species. Coarse fish, where present, were found at the middle and lower reaches of the river.Fish populations and species diversity in the River Dearne are generally poor due to serious water quality problems. Limited numbers of brown trout and coarse fish were found at few locations in the catchment, reflecting the widespread nature of poor water and habitat quality. The sub-catchment receives diverse discharges from sewage, industry and abandoned mines. This is exacerbated by various pollution incidents, the causes of some of which remain unidentified.The River Rother has low fish population densities, and many stretches of the river are fishless due mainly to poor water quality and lack of suitable habitats. Some tributaries of the River Rother, particularly the River Hipper, Redleadmill Brook and Brookside Beck hold considerable numbers of brown trout. The Rother sub-catchment also receives sewage, industrial and mine effluents which impact on the water quality.The benthic macroinvertebrate fauna of the sites studied were mainly pollution-tolerant taxa with low species diversity reflecting poor water quality. Heavy metal levels were generally low and declining which, possibly, relate to the decline in steel and coal industry in the catchment.A concerted programme to improve effluent discharges from major sewage treatment works and industries serving the catchment area coupled with a decline in the coal, steel and manufacturing industries has resulted in marked improvements in water quality of the rivers. Reductions in ammonia and BOD levels have been achieved since 1991 due mainly to improvements to sewage treatment works. As a consequence the fisheries of the rivers have shown some evidence of recovery. Unfortunately these improvements are localised and the fish populations suffer periodic setbacks because of isolated pollution incidents.Despite considerable efforts by the Environment Agency and its predecessors (the National Rivers Authority and Yorkshire Water), to improve the fish populations through stocking and some habitat improvement measures, the general status of the fisheries remains poor particularly in the Rivers Dearne and Rother. A strategic Aquatic Resources Management Plan (ARMP) targeting the bottlenecks to recovery and improvement in the water quality and fisheries habitat is proposed for the long-term sustainable improvement of the fisheries. Project Concept Notes and Logical Project Frameworks have been developed to address the water quality, habitat and fisheries rehabilitation problem. These constitute draft proposals for which additional information would be needed before projects can be progressed.
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Fynn, Iris Ekua Mensimah. "Geospatial Analysis of Forest Fragmentation and Connectivity in Virginia." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/90389.

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This research evaluated the extent to which forests in Virginia have either become fragmented (disconnected) and/or connected over a ten year time period. The study analyzed the accuracy of forest fragmentation analysis depending on the spatial resolution of the satellite imagery used. This analysis highlights the importance of using appropriate satellite images for forest fragmentation analysis. Secondly, this research focused on building a model to identify the significance of factors such as slope, physiographic region and forest types on Virginia's populations of Wood Thrush and Ovenbird. This assessment identified the difference in effects of variables on bird populations depending on the scale at which the analysis is carried out. Third and final analysis combined the first two assessments to determine how management policies can be used to mitigate negative effects of forest fragmentation and protect biodiversity. The research results highlight increasing forest fragmentation trends in Virginia between 2001 and 2011 and the negative impacts of this trend on Wood Thrush and Ovenbird species. The results also demonstrate the effectiveness of riparian buffers as corridors.
Doctor of Philosophy
This research evaluated the extent to which forests in Virginia have either become fragmented (disconnected) and/or connected over a ten year time period. The study analyzed the accuracy of forest fragmentation analysis depending on the spatial resolution of the satellite imagery used. This analysis highlights the importance of using appropriate satellite images for forest fragmentation analysis. Secondly, this research focused on building a model to identify the significance of factors such as slope, physiographic region and forest types on Virginia’s populations of Wood Thrush and Ovenbird. This assessment identified the difference in effects of variables on bird populations depending on the scale at which the analysis is carried out. Third and final analysis combined the first two assessments to determine how management policies can be used to mitigate negative effects of forest fragmentation and protect biodiversity. The research results highlight increasing forest fragmentation trends in Virginia between 2001 and 2011 and the negative impacts of this trend on Wood Thrush and Ovenbird species. The results also demonstrate the effectiveness of riparian buffers as corridors.
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Silva, Junior Osmar Pereira. "Avaliação da qualidade da água da bacia hidrográfica do Córrego das Marrecas - SP /." Ilha Solteira, 2018. http://hdl.handle.net/11449/180313.

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Orientador: Sérgio Luis de Carvalho
Resumo: As atividades antrópicas como agricultura, mineração, urbanização e industrialização produzem resíduos que de maneira direta ou indireta acabam chegando até os corpos hídricos, gerando mudanças na qualidade da água dos rios, córregos e lagos. Para quantificar a poluição dessas águas utiliza-se o índice de qualidade da água “IQA” que por meio de análises físicas, químicas e biológicas classifica a qualidade da água como ótima, boa, aceitável, ruim ou péssima. Este trabalho tem como objetivo diagnosticar a influência de atividades antrópicas na qualidade da água da bacia hidrográfica do Córrego das Marrecas – SP, utilizando o Índice de Qualidade da Água – (IQA). Foram analisados cinco pontos ao longo do Córrego das Marrecas – SP durante o período de abril/2017 a março/2018. Em cada ponto de amostragem foi mensurada mensalmente a concentração de oxigênio dissolvido (OD), temperatura, pH, turbidez, sólidos totais (ST), coliformes termotolerantes, demanda bioquímica de oxigênio (DBO), nitrogênio total e fósforo total conforme os métodos para análises de águas potáveis e residuárias – Standard Methods for Examination of Water and Wastewater. Foi realizada uma análise descritiva para avaliação dos resultados de média, desvio padrão, valores máximos e mínimos dos parâmetros de qualidade da água monitorados durante o período chuvoso e seco nos cinco pontos de amostragem do Córrego das Marrecas- SP. O cálculo do IQA foi feito por meio do produtório ponderado dos nove parâmetros (pH, tu... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Anthropogenic activities such as agriculture, mining, urbanization and industrialization produce waste that directly or indirectly reaches the water bodies, generating changes in the water quality of these rivers, streams and lakes. To quantify the pollution of these waters, the water quality index "IQA" is used that, through physical, chemical and biological analysis, classifies water quality as optimal, good, acceptable, bad or bad. This work aims to diagnose the influence of anthropic activities on the water quality of the Stream of Marrecas - SP water basin, using the Water Quality Index - (IQA). Five points were analyzed along the Stream of Marrecas - SP during the period from April / 2017 to March / 2018. At each sampling point, the concentration of dissolved oxygen (OD), temperature, pH, turbidity, total solids (ST), thermotolerant coliforms, biochemical oxygen demand (BOD), total nitrogen and total phosphorus were measured according to the methods for analysis of drinking water and wastewater - Standard Methods for Examination of Water and Wastewater. A descriptive analysis was performed to evaluate the results of mean, standard deviation, maximum and minimum values of water quality parameters monitored during the rainy and dry period at the five sampling points of Stream of Marrecas - SP. The calculation of the IQA was done by means of the weighted output of the nine parameters (pH, turbidity, temperature, dissolved oxygen, phosphorus, nitrogen, total solids, thermot... (Complete abstract click electronic access below)
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Books on the topic "Anthropogenic activities"

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Mwinyihija, Mwinyikione. Agro-Based Ecotoxicological Preview on Anthropogenic Activities on Ecosystems. Nova Science Publishers, Incorporated, 2015.

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Impacts of Anthropogenic Activities on Watersheds in a Changing Climate. MDPI, 2021. http://dx.doi.org/10.3390/books978-3-0365-0267-0.

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Mrakovcich, Karina Lorenz. Anthropogenic activities associated with the status of salmon stocks in Pacific Northwest watersheds. 1998.

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Lippmann, Morton, and Richard B. Schlesinger. Sources of Contaminants. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190688622.003.0003.

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This chapter describes the natural sources that produce background levels of chemical contaminants in environmental media and the generally much larger anthropogenic sources in terms of: primary releases; and secondary sources resulting from chemical reactions within environmental media. There are primary sources within residences (personal care products, pesticides, the smoking of cigarettes, and unvented kitchen and bathroom effluents and heaters), in and around communities (furnace, power plant, and motor vehicle effluents), and effluents from industrial and commercial activities. Secondary sources include reactions between primary pollutants and natural and anthropogenic components in the atmosphere, hydrosphere, and lithosphere.
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Brönmark, Christer, and Lars-Anders Hansson. Biodiversity and Environmental Threats. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198713593.003.0006.

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The last chapter of Lakes and Ponds deals with how human activities affect the natural ecosystems and their function through eutrophication, contamination, acidification, brownification and increases in UV radiation, and how such anthropogenic disturbances may affect biodiversity and the ability of organisms to utilize a specific habitat. In addition, the chapter addresses novel environmental threats, such as global climate change and effects from our everyday chemicals, such as contraceptives, nanoparticles and antidepressant drugs. However, also possibilities and signs of improvement are discussed, providing hope for coming generations.
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Miller, Christopher Patrick. Yoga Bodies and Bodies of Water. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190456023.003.0008.

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This chapter analyzes the confluence of environmental politics, biopolitics, and the cultural role of yoga in India. It begins with an overview of India’s current economic development challenges and shows how the country’s current prime minister has subsumed both yoga bodies and water bodies into biopolitical discourse to support a neoliberal economic boom that will contribute to the proliferation of anthropogenic climate change. The chapter then argues that alternative forms of yoga aimed at nurturing intimacy between the human body and the natural world are helping to prevent unnecessary climate-change-producing development activities in India, including the river-linking project and other massive hydroelectric projects that threaten India’s riparian environments.
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Jacobsen, Dean, and Olivier Dangles. A growing human footprint in the highlands. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198736868.003.0009.

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Chapter 9 reviews the threats imposed by human activities to aquatic life at high altitude. High altitude regions of the inter-tropical belt are generally much more densely populated than their temperate counterparts. Therefore, they are directly affected by a number of human-related disturbances such as land use changes, water contamination, use and diversion, and the introduction of invasive species. The chapter details several unique environmental conditions of high altitude environments that make their aquatic biota particularly at risk in the face of anthropogenic disturbances. Among others, glaciers concentrate pollutants, low oxygen concentrations affect the response of aquatic fauna to stress, ultraviolet B modifies the bioavailability of contaminants, high primary productivity of grasslands encourages cattle ranching and fuels fires over large scales, and isolated watersheds favour species extinction following biological invasions.
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James, Harrison. 1 Introduction. Oxford University Press, 2017. http://dx.doi.org/10.1093/law/9780198707325.003.0001.

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Chapter 1 provides an introduction to both the anthropogenic threats facing the marine environment at the beginning of the twenty-first century and the role that international law plays in regulating humankind’s impacts on the oceans. It argues that the protection of the marine environment is a common concern of humankind, requiring the cooperation of all States in adopting appropriate international rules and standards to address the main threats to the marine environment and collective efforts to ensure the enforcement of those norms. The chapter then explains the key sources of international law that are relevant to the regulation of marine activities, highlighting the central role played by treaties, related non-binding instruments, judicial decisions, and general principles of international law. This introduction to the sources of international law provides a basic background to the more detailed analysis of specific treaties and related instruments in the remainder of the book.
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ABDULLAH, MOHD HARUN, ISMAIL ALI, ZULHERRY ISNAIN, and COLLIN G. JOSEPH, eds. Mantanani Island. UMS Press, 2019. http://dx.doi.org/10.51200/mantananiislandumspress2019-978-967-2166-42-9.

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This book comprises of 13 chapters, documenting the scientific expedition of the Mantanani Island. This expedition was conducted by thirty scientists and researchers from Universiti Malaysia Sabah under the fellowship of the Small Islands Research Center (SIRC). The expedition was carried out from the 8th to the 10th of April 2016, yielded new knowledge and updated previous data on the socio-cultural aspects of the inhabitants, island geology, terrestrial and marine flora and fauna, economy and ecotourism. The layout of this book was designed to present the socio-cultural aspect of the inhabitants on the island in two preliminary chapters, followed by island geology; land use; coastline changes; diversity of trees; seaweed; invertebrates; snails; groundwater as well as economic and potential ecotourism prospects of the island in its final chapter. UMS, through its implementation arm, SIRC, is committed to ensure the success of preservation and conservation of the island’s resources for future generations. Therefore, this book aims to serve as a focal point for future scientific expedition to this island. As the environment changes around us due to anthropogenic activities, it is only prudent that we document these changes in order to better understand and mitigate future disasters.
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(Editor), David Drew, and Heinz Hotzl (Editor), eds. KARST HYDROGEOLOGY & HUMAN ACTIVITIE (International Contributions to Hydrogeology). A A Balkema, 1998.

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Book chapters on the topic "Anthropogenic activities"

1

Ilyés, Zoltán. "Military Activities: Warfare and Defence." In Anthropogenic Geomorphology, 217–31. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-3058-0_14.

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Dávid, Lóránt, Zsuzsanna Lontai-Szilágyi, and Zoltán Baros. "The Impact of Tourism and Sports Activities." In Anthropogenic Geomorphology, 233–54. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-3058-0_15.

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Srivastav, Asheem. "Natures’ Reaction to Anthropogenic Activities." In The Science and Impact of Climate Change, 79–109. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0809-3_4.

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Rebelo, Lisa-Maria. "Remote Sensing of Anthropogenic Activities: Aquaculture." In The Wetland Book, 1–4. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6172-8_310-1.

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Rebelo, Lisa-Maria. "Remote Sensing of Anthropogenic Activities: Aquaculture." In The Wetland Book, 1631–34. Dordrecht: Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-90-481-9659-3_310.

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Torbick, Nathan, Bill Salas, and Xiangming Xiao. "Remote Sensing of Anthropogenic Activities: Agricultural Production." In The Wetland Book, 1–7. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6172-8_309-1.

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Torbick, Nathan, Bill Salas, and Xiangming Xiao. "Remote Sensing of Anthropogenic Activities: Agricultural Production." In The Wetland Book, 1623–29. Dordrecht: Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-90-481-9659-3_309.

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Rizzo, Rosalba. "The Development of New E-commerce Activities in Messina." In Artificial Intelligence: Anthropogenic Nature vs. Social Origin, 172–83. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39319-9_20.

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Kumar, Gaurav, Pooja Baweja, and Pinkey B. Gandhi. "Impact of Anthropogenic Activities on Soil Patterns and Diversity." In Structure and Functions of Pedosphere, 319–37. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-8770-9_13.

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Aliev, Tigran T., and Inessa V. Bit-Shabo. "Legal Regulation of E-Commerce and Other Entrepreneurial Activities Conducted with Digital Technologies." In Artificial Intelligence: Anthropogenic Nature vs. Social Origin, 807–13. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39319-9_89.

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Conference papers on the topic "Anthropogenic activities"

1

Uda, Takaaki. "K1. BEACH EROSION ARISING FROM ANTHROPOGENIC FACTORS." In Coastal Dynamics 2009 - Impacts of Human Activities on Dynamic Coastal Processes. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789814282475_0001.

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Magoon, Orville T., Billy L. Edge, and Katherine E. Stone. "The Impact of Anthropogenic Activities on Coastal Erosion." In 27th International Conference on Coastal Engineering (ICCE). Reston, VA: American Society of Civil Engineers, 2001. http://dx.doi.org/10.1061/40549(276)308.

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Uda, Takaaki, Mitsuo Takamura, Kazuo Fujimoto, Fumihito Nakanishi, Shinji Iki, and Toshinori Ishikawa. "70. SHORELINE ROTATION ON POCKET BEACHES CAUSED BY ANTHROPOGENIC FACTORS." In Coastal Dynamics 2009 - Impacts of Human Activities on Dynamic Coastal Processes. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789814282475_0072.

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Ramenskya, A., and Svetlana Treschevskaya. "KAMENNAYA STEPPE – THE MEMORY OF CHERNOZEM." In Reproduction, monitoring and protection of natural, natural-anthropogenic and anthropogenic landscapes. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2022. http://dx.doi.org/10.34220/rmpnnaal2021_239-244.

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This article discusses the origin of the Kamennaya Steppe Nature Reserve in the Voronezh Region. The reasons for the preservation of this area in an untouched form are analyzed, the importance and relevance of the activities carried out at this object is shown. It tells about the soil transformations of this place during the expedition of Professor Dokuchaev at the end of the 19th century and provides examples of modern scientific activity on the territory of the reserve.
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Tihomirova, Yu, and Sergey Kruzhilin. "LANDSCAPING AND LANDSCAPING OF URBAN BEACHES ON THE EXAMPLE OF NOVOCHERKASSK, ROSTOV REGION." In Reproduction, monitoring and protection of natural, natural-anthropogenic and anthropogenic landscapes. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2022. http://dx.doi.org/10.34220/rmpnnaal2021_245-251.

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The article presents a project for the reconstruction of landscaping and landscaping of a city beach on the example of a beach in the Donskoy microdistrict of Novocherkassk, Rostov region. Options for zoning the territory are considered, an inventory plan is given, plants to be removed are identified. Taking into account the popularity of outdoor activities, specialized zones designed for various types of leisure have been designed. The article also presents a tree planting project and recommendations for the location of woody plant species and shrubs.
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Huang, Meiling, Hong Jiang, and Zhongyong Xiao. "Effect of anthropogenic activities on the UV variation in China." In 2010 18th International Conference on Geoinformatics. IEEE, 2010. http://dx.doi.org/10.1109/geoinformatics.2010.5567810.

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Solovieva, A., and Yuliya Gorbunova. "NITRATE CONTENT IN POTATO GROWING ON DIFFERENT CHERNOZEM SUBTYPES OF VORONEZH REGION." In Reproduction, monitoring and protection of natural, natural-anthropogenic and anthropogenic landscapes. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2022. http://dx.doi.org/10.34220/rmpnnaal2021_103-108.

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Agriculture is one of the most important sectors of the economy of the Central Black Earth Region. The Voronezh region is distinguished by a particularly high index of agricultural production, which is facilitated by several factors at once - favorable climatic conditions inherent in the temperate climatic zone and the widespread distribution of various types of chernozems throughout its territory. As a result of the activation of human economic and production activities, the scale of the use of chemicals in the agricultural and food industries is growing, and illiterate farming disrupts the process of nutrition and maturation of plants. All this inevitably leads to widespread land degradation and a qualitative deterioration in manufactured products. In modern conditions, personal subsidiary plots act not only as a reserve of the agricultural industry, but also as a source capable of producing environmentally friendly products by organic farming.
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Chibisova, K., and Tat'yana Dedenko. "LANDSCAPE AND ECOLOGICAL ASSESSMENT OF THE TERRITORY OF THE ZONE OF CULTURAL EVENTS OF THE VORONEZH STATE NATURAL BIOSPHERE RESERVE NAMED AFTER V. M. PESKOV." In Reproduction, monitoring and protection of natural, natural-anthropogenic and anthropogenic landscapes. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2022. http://dx.doi.org/10.34220/rmpnnaal2021_125-130.

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The results of the landscape and ecological assessment of the territory of the zone of cultural events of the Voronezh State Natural Biosphere Reserve named after V. M. Peskov are presented. The following indicators of landscape and ecological assessment are determined: the type of landscape, the type of spatial structure, sanitary and hygienic assessment, aesthetic assessment. The results of the study showed that the site is in good sanitary condition, the indicator of aesthetic assessment is 2. We also studied the composition and condition of existing woody and shrubby vegetation. The assortment available on the territory is represented by the following types of woody plants: Betula pendula, Ulmus glabra, Prunus communis, Quercus robur, Picea abies, Acer platanoides, Populus balsamefera, Populus tremula, Fraxinus excelsior. In the study area, the woody vegetation is in good and satisfactory condition. Based on the results of the assessment of the territory, project activities are planned to improve the aesthetic assessment.
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MAGOON, ORVILLE T., S. JEFFRESS WILLIAMS, LINDA K. LENT, JAMES A. RICHMOND, DONALD D. TREADWELL, SCOTT L. DOUGLASS, BILLY L. EDGE, LESLEY C. EWING, and ANTHONY P. PRATT. "ECONOMIC IMPACTS OF ANTHROPOGENIC ACTIVITIES ON COASTLINES OF THE UNITED STATES." In Proceedings of the 29th International Conference. World Scientific Publishing Company, 2005. http://dx.doi.org/10.1142/9789812701916_0244.

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Janík, Tomáš, and Dušan Romportl. "Prioritization of nature conservation and anthropogenic activities: case of Šumava NP." In Public recreation and landscape protection - with environment hand in hand… Mendel University in Brno, 2022. http://dx.doi.org/10.11118/978-80-7509-831-3-0248.

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Reports on the topic "Anthropogenic activities"

1

Hamilton, P. B., and I. Lavoie. Changing environmental conditions due to anthropogenic activities in the Lac Dasserat watershed over the recent past using diatoms as a biological proxy: Preliminary results. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2016. http://dx.doi.org/10.4095/297764.

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Haver, Samara. Analysis of underwater soundscape conditions at Buck Island Reef National Monument during the COVID-19 pandemic: Focused condition assessment report. National Park Service, October 2022. http://dx.doi.org/10.36967/2294883.

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In partnership with the National Oceanic and Atmospheric Administration and Oregon State University, the National Park Service has been collecting continuous acoustic recordings at a stationary autonomous recorder in Buck Island Reef National Monument since 2016. The audio data were previously analyzed to establish baseline soundscape conditions as well as monitor the acoustic presence of vessels and humpback whales. This report specifically investigates potential changes to the soundscape environment during the onset of the COVID-19 pandemic and the consequent “anthro-pause” when human activities such as tourism and commercial shipping were interrupted by public health guidance. Although major declines of anthropogenic activities were observed in other regions of the world, soundscape conditions in Buck Island Reef National Monument were only minimally impacted during early 2020. Furthermore, in latter months of 2020 and into 2021, vessel movement and related noise levels slightly increased from historic levels. Humpback whale vocalizations were also analyzed for seasonal presence in Buck Island Reef National Monument, revealing a consistent pattern with previously analyzed seasons. Ongoing passive acoustic soundscape monitoring will provide data that can be used to evaluate continued impacts of anthropogenic activity in and near Buck Island Reef National Monument.
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Van Winkle, Christina, Justin S. Baker, Daniel Lapidus, Sara Ohrel, John Steller, Gregory Latta, and Dileep Birur. US Forest Sector Greenhouse Mitigation Potential and Implications for Nationally Determined Contributions. RTI Press, May 2017. http://dx.doi.org/10.3768/rtipress.2017.op.0033.1705.

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Countries globally are committing to achieve future greenhouse gas emissions reductions to address our changing climate, as outlined in the Paris Agreement from the United Nations Framework Convention on Climate Change (UNFCCC) Conference of the Parties. These commitments, called nationally determined contributions (NDCs), are based on projected anthropogenic greenhouse gas (GHG) emissions levels across all sectors of the economy, including land use, land use change, and forestry (LULUCF) activities. Projecting LULUCF emissions is uniquely challenging, and the uncertainty of future LULUCF emissions could require additional mitigation efforts in the land use sectors to reduce the risk of NDC noncompliance. The objectives of this paper are to provide critical information on what forest sector mitigation activities are currently underway in the United States on private lands, review recent literature estimates of the mitigation potential from these activities (and associated economic costs), identify gaps in the literature where additional analytical work is needed, and provide recommendations for targeted mitigation strategies should US emissions approach or exceed targeted post-2020 NDC levels.
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Wozniakowska, P., D. W. Eaton, C. Deblonde, A. Mort, and O. H. Ardakani. Identification of regional structural corridors in the Montney play using trend surface analysis combined with geophysical imaging. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/329795.

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Induced (anthropogenic) earthquakes are caused by reactivation of pre-existing faults due to human activities, including hydraulic fracturing and saltwater disposal. The Montney play, the pre-eminent shale gas play in Canada, contains localized regions with relatively high geological susceptibility to induced seismicity. Identification of potential seismogenic structures is hindered because published fault maps in the Montney play are often focused on small areas, leading to inconsistencies when these are compiled across the region. We have developed a regional framework based on structural corridors: complex, multi-strand faults systems. A three-step structural interpretation workflow was used, including seismic and structural interpretation along with trend surface analysis (TSA). This approach was used to identify 34 structural corridors in NE BC and NW Alberta.
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Morkun, Volodymyr, Sergey Semerikov, Svitlana Hryshchenko, Snizhana Zelinska, and Serhii Zelinskyi. Environmental Competence of the Future Mining Engineer in the Process of the Training. Medwell Publishing, 2017. http://dx.doi.org/10.31812/0564/1523.

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A holistic solution to the problem of formation of ecological competence of the future engineer requires the definition of its content, structure, place in the system of professional competences, levels of forming and criteria of measurement the rationale for the select on and development of a technique of use of information, communication and learning technologies that promote formation of ecological competence. The study is of interest to environmental competence of future mining engineer as personal education, characterized by acquired in the process of professional preparation professionally oriented environmental knowledge (cognitive criterion), learned the ways of securing environmentally safe mining works (praxiological criterion) in the interests of sustainable development (axiological criterion) and is formed by the qualities of socially responsible environmental behavior (social-behavioral criterion) and consists of the following components: understanding and perception of ethical norms of behaviour towards other people and towards nature (the principles of bioethics); ecological literacy; possession of basic information on the ecology necessary for usage in professional activity the ability to use scientific laws and methods in evaluating the environment to participate in environmental works to cany out ecological analysis of activities in the area industrial activities to develop action plans for the reduction of the anthropogenic impact on the environment; ability to ensure environmentally balanced activities, possession of methods of rational and integrated development georesource potential of the subsoil.
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6

Beck, Tanya, and Ping Wang. Morphodynamics of barrier-inlet systems in the context of regional sediment management, with case studies from West-Central Florida, USA. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41984.

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The temporal and spatial scales controlling the morphodynamics of barrier-inlet systems are critical components of regional sediment management practice. This paper discusses regional sediment management methods employed at multiple barrier-inlet systems, with case studies from West-Central Florida. A decision-support tool is proposed for regional sediment management with discussion of its application to barrier-inlet systems. Connecting multiple barrier islands and inlets at appropriate spatio-temporal scales is critical in developing an appropriately scoped sediment management plan for a barrier-inlet system. Evaluating sediment bypassing capacity and overall inlet morphodynamics can better inform regional sand sharing along barrier-inlet coastlines; particularly where sediment resources are scarce and a close coupling between inlet dredging and beach placement is vital to long-term sustainable management. Continued sea-level rise and anthropogenic activities may intensify the need for investigating longer-term processes and expanding regional planning at a centennial timescale and are acknowledged as challenging tasks for RSM studies. Specifically, we suggested that a regionally focused, multi-inlet study was necessary for management plan of individual inlet for the west-central Florida case studies. Key recommendations based on the case studies are included.
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Dello, Kathie D., and Philip W. Mote. Oregon climate assessment report : December 2010. Corvallis, Oregon : Oregon Climate Change Research Institute, Oregon State University, 2010. http://dx.doi.org/10.5399/osu/1157.

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The group of scientists that make up the Intergovernmental Panel on Climate Change found in 2007 that the warming of Earth’s climate is unequivocal and largely due to human activity. Earth’s climate has changed in the past, though the recent magnitude and pace of changes are unprecedented in human existence. Recent decades have been warmer than at any time in roughly 120,000 years. Most of this warming can be attributed to anthropogenic activity, primarily burning fossil fuels (coal, oil and natural gas) for energy. Burning fossil fuels releases carbon dioxide and other heat trapping gases, also known as greenhouse gases, into the atmosphere. This warming cannot be explained by natural causes (volcanic and solar) alone. It can be said with confidence that human activities are primarily responsible for the observed 1.5 ˚F increase in 20th century temperatures in the Pacific Northwest. A warmer climate will affect this state substantially. In 2007, the Oregon State Legislature charged the Oregon Climate Change Research Institute, via HB 3543, with assessing the state of climate change science including biological, physical and social science as it relates to Oregon and the likely effects of climate change on the state. This inaugural assessment report is meant to act as a compendium of the relevant research on climate change and its impacts on the state of Oregon. This report draws on a large body of work on climate change impacts in the western US from the Climate Impacts Group at the University of Washington and the California Climate Action Team. In this report, we also identify knowledge gaps, where we acknowledge the need for more research in certain areas. We hope this report will serve as a useful resource for decision-makers, stakeholders, researchers and all Oregonians. The following chapters address key sectors that fall within the biological, physical and social sciences in the state of Oregon.
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