Academic literature on the topic 'Anthropogenic disturbance'

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Journal articles on the topic "Anthropogenic disturbance"

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Lugo, Ariel E. "Effects of Extreme Disturbance Events: From Ecesis to Social–Ecological–Technological Systems." Ecosystems 23, no. 8 (2020): 1726–47. http://dx.doi.org/10.1007/s10021-020-00491-x.

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AbstractEcologists addressed the effects of disturbances from the onset of the field by focusing on ecesis, which is the process by which organisms migrate and establish under the environmental conditions created by disturbances. Ecesis is the onset of succession, a self-organizing process whose nature, speed, and outcome depend in part on the outcomes of ecesis and the residual legacies remaining after disturbances. A by-product of succession after a disturbance is the reorganization of species dominance, or novelty. The degree of novelty in the outcome increases with the severity of the dist
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Pickell, Paul D., David W. Andison, Nicholas C. Coops, Sarah E. Gergel, and Peter L. Marshall. "The spatial patterns of anthropogenic disturbance in the western Canadian boreal forest following oil and gas development." Canadian Journal of Forest Research 45, no. 6 (2015): 732–43. http://dx.doi.org/10.1139/cjfr-2014-0546.

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Resource development can have significant consequences for the distribution of vegetation cover and for species persistence. Modelling changes to anthropogenic disturbance regimes over time can provide profound insights into the mechanisms that drive land cover change. We analyzed the spatial patterns of anthropogenic disturbance before and after a period of significant oil and gas extraction in two boreal forest subregions in Alberta, Canada. A spatially explicit model was used to map levels of anthropogenic forest crown mortality across 700 000 ha of managed forest over a 60-year period. The
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Ji, Li, Yuan Li, Guixiang Zhang, and Yonghong Bi. "Anthropogenic Disturbances Have Contributed to Degradation of River Water Quality in Arid Areas." Water 13, no. 22 (2021): 3305. http://dx.doi.org/10.3390/w13223305.

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The earth has been reshaped for millennia. The accelerating pace of anthropogenic activities has generated enormous impacts on the water environment. As one of the main drivers of landscape change, anthropogenic disturbance has brought many negative effects on rivers. Studying the relationship between anthropogenic disturbances and river water quality is of significance for regional conservation and ecosystem management, while the relationship remains poorly understood in the current. In this study, we quantified anthropogenic disturbances by introducing the concept of the hemeroby index and e
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H. Punia, H. Dhiman, H. Saharan, and S. Jakhar. "Floristic Composition and Diversity in Response to Varying Degrees of Disturbance in Tropical Dry Deciduous Forests of Southern Haryana, India." Ecology, Environment and Conservation 28, no. 04 (2022): 2164–73. http://dx.doi.org/10.53550/eec.2022.v28i04.079.

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The aim of the current investigation was to study the effects of anthropogenic disturbances on the vegetation structure of the three Tropical Dry Deciduous Forests of Southern Haryana i.e., Mandhana, Ghasola, and Mandhiali in the Bhiwani, Charkhi Dadri, and Mahendergarh districts, respectively. The data were collected from March, 2020 to March, 2021. The floristic composition was quantified by randomly placing 15 quadrats per site (45 in total). A disturbance index was developed for each site and high, medium and low disturbance areas were identified based on prevailing disturbances that were
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Liu, Xiaolong, Zhengtao Shi, Guangcai Huang, Yanchen Bo, and Guangjie Chen. "Time Series Remote Sensing Data-Based Identification of the Dominant Factor for Inland Lake Surface Area Change: Anthropogenic Activities or Natural Events?" Remote Sensing 12, no. 4 (2020): 612. http://dx.doi.org/10.3390/rs12040612.

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Inland lake variations are considered sensitive indicators of global climate change. However, human activity is playing as a more and more important role in inland lake area variations. Therefore, it is critical to identify whether anthropogenic activity or natural events is the dominant factor in inland lake surface area change. In this study, we proposed a method that combines the Douglas-Peucker simplification algorithm and the bend simplification algorithm to locate major lake surface area disturbances. These disturbances were used to extract the features that been used to classify disturb
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Chen, Xingyan, Xueling Wang, Yuehua Song, and Yongkuan Chi. "A Review of Studies on the Effects of Anthropogenic Disturbances on Plant–Soil–Microorganism Interactions in Grassland Ecosystems: Based on Grazing and Tourism Perspectives." Agronomy 14, no. 12 (2024): 2890. https://doi.org/10.3390/agronomy14122890.

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As the most widely distributed and largest terrestrial ecosystem in the world, grasslands play an important role in supporting global livestock production and maintaining ecosystem services. In light of the accelerated global socio-economic development and sustained population growth, grassland ecosystems are increasingly subjected to anthropogenic disturbances. However, there is a paucity of research examining the impact of such disturbances on plant–soil–microorganism interactions in grassland systems, particularly from the perspectives of grazing and tourism. Accordingly, this study present
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Roberts, Mark R. "Response of the herbaceous layer to natural disturbance in North American forests." Canadian Journal of Botany 82, no. 9 (2004): 1273–83. http://dx.doi.org/10.1139/b04-091.

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Most work on the disturbance ecology of North American forests has focused on the tree canopy and woody understory, with little consideration of the herbaceous layer. Understanding how this species-rich and ecologically important layer responds to natural disturbances is needed as a guide for conservation. As a framework for this review, selected natural disturbances common to North American forests are evaluated in terms of a three-axis model of disturbance severity: percentage of tree canopy removed, percentage of understory vegetation removed, and percentage of forest floor and soil removed
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Fenton, Nicole J. "Applied ecology in Canada’s boreal: a holistic view of the mitigation hierarchy and resilience theory." Botany 94, no. 11 (2016): 1009–14. http://dx.doi.org/10.1139/cjb-2016-0123.

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Canada’s boreal biome is a mosaic of forests and peatlands. These ecosystems have developed dynamically, periodically affected by disturbance events of significant spatial extent and variable severity, reducing ecosystem biomass. The same ecosystem types typically regenerate from biological legacies. However, concern is growing about the impact of these different anthropogenic disturbances, particularly compound disturbances including climate change, which open the door to shifts to alternate stable states. One strategy promoted to regulate anthropogenic disturbance is the “mitigation hierarch
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Bisson, Isabelle-Anne, Luke K. Butler, Tim J. Hayden, L. Michael Romero, and Martin C. Wikelski. "No energetic cost of anthropogenic disturbance in a songbird." Proceedings of the Royal Society B: Biological Sciences 276, no. 1658 (2008): 961–69. http://dx.doi.org/10.1098/rspb.2008.1277.

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Anthropogenic or natural disturbances can have a significant impact on wild animals. Therefore, understanding when, how and what type of human and natural events disturb animals is a central problem in wildlife conservation. However, it can be difficult to identify which particular environmental stressor affects an individual most. We use heart rate telemetry to quantify the energy expenditure associated with different types of human-mediated and natural disturbances in a breeding passerine, the white-eyed vireo ( Vireo griseus ). We fitted 0.5 g heart rate transmitters to 14 male vireos and c
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Bisson, Isabelle-Anne, Luke K. Butler, Tim J. Hayden, L. Michael Romero, and Martin C. Wikelski. "No energetic cost of anthropogenic disturbance in a songbird." Proceedings of the Royal Society B: Biological Sciences 276, no. 1658 (2009): 961–69. https://doi.org/10.5281/zenodo.13514845.

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(Uploaded by Plazi for the Bat Literature Project) Anthropogenic or natural disturbances can have a significant impact on wild animals. Therefore, understanding when, how and what type of human and natural events disturb animals is a central problem in wildlife conservation. However, it can be difficult to identify which particular environmental stressor affects an individual most. We use heart rate telemetry to quantify the energy expenditure associated with different types of human-mediated and natural disturbances in a breeding passerine, the white-eyed vireo ( Vireo griseus ). We fitted 0.
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Dissertations / Theses on the topic "Anthropogenic disturbance"

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Abrahams, Mark. "Wildlife responses to anthropogenic disturbance in Amazonian forests." Thesis, University of East Anglia, 2016. https://ueaeprints.uea.ac.uk/64005/.

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Legally inhabited indigenous, extractive and sustainable use tropical forest reserves, have been lauded as a solution to the intractable problem of how to assure the welfare and secure livelihoods of the world’s diverse forest-dependent people, whilst conserving the world’s most biodiverse terrestrial ecosystems. This strategy has been critiqued by human rights advocates, who assert that legally inhabited reserves paternalistically restrict the livelihood choices and development aspirations of forest-dwellers, and by conservationists, who argue that sustained human presence and resource extrac
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Maletzke, Benjamin Thomas. "Effects of anthropogenic disturbance on landscape ecology of cougars." Pullman, Wash. : Washington State University, 2010. http://www.dissertations.wsu.edu/Dissertations/Spring2010/b_maletzke_0041410.pdf.

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Martin, Thomas Edward. "Avifauna and anthropogenic forest disturbance in two biodiversity hotspots." Thesis, Lancaster University, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543999.

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Miller, Rebecca Jane. "The effects of anthropogenic disturbance upon African penguin colonies." University of Western Cape, 2020. http://hdl.handle.net/11394/7851.

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Magister Scientiae (Biodiversity and Conservation Biology) - MSc (Biodiv and Cons Biol)<br>African penguin (Spheniscus demersus) mainland colonies are a popular tourist attraction in the Western Cape of South Africa. The African penguin population is in decline and the species is listed as endangered on the International Union for the Conservation of Nature (IUCN) Red List. This thesis aimed to investigate the impact of ecotourism upon African penguin colonies by comparing two colonies of differing levels of tourist visitation in the Western Cape in 2017. The high visitation colony is a mainla
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Oliver, Lucie Rebecca. "Mussel assemblages as biomonitors of anthropogenic disturbance in estuarine environments." Thesis, Bangor University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.438829.

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Cameron, Laura Jean. "Anthropogenic natures : Wicken Fen and histories of disturbance 1923-1943." Thesis, University of Cambridge, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249030.

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Pickell, Paul Drew. "Characterizations of boreal anthropogenic disturbance regimes from multi-scalar Earth observations." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/55965.

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Anthropogenic disturbance regimes are anticipated to overwhelm Earth’s ecosystems during the Anthropocene. Boreal forests are particularly at risk of significant transition due to human appropriation of renewable and non-renewable resources. Forestry and energy development in the boreal forest have three primary ecological consequences: suppression of historical disturbance regimes such as fire; emergence of novel ecosystems; and the eradication of ecological memory, which maintains ecological integrity. The objective of this dissertation is to improve our understanding of the pattern characte
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Dafforn, Katherine Ann Biological Earth &amp Environmental Sciences Faculty of Science UNSW. "Anthropogenic modification of estuaries: disturbance and artificial structures influence marine invasions." Awarded by:University of New South Wales. Biological, Earth & Environmental Sciences, 2009. http://handle.unsw.edu.au/1959.4/44778.

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Estuarine environments are threatened by the synergistic effects of anthropogenic disturbance and bioinvasion. The construction of artificial structures (such as pilings and pontoons) provides a habitat resource in close proximity to vessel hulls that may be carrying a wide range of non-indigenous fouling species. In addition, the release and accumulation of toxicants from antifouling (AF) paints on vessel hulls creates a chemical disturbance that may reduce the invasion resistance of native communities. This thesis examines how shipping-related disturbances affect sessile communities, and
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Sundin, Josefin. "Sex in Murky Waters : Anthropogenic Disturbance of Sexual Selection in Pipefish." Doctoral thesis, Uppsala universitet, Zooekologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-195861.

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Animals experience variation in their environment because of natural changes. However, due to anthropogenic disturbance, the speed and severity of these changes have recently increased. This thesis investigates how reproductive behaviours may be affected by human induced environmental change. In specific, I investigate how visual and chemical changes in the aquatic environment, caused by eutrophication, affect mating systems and sexual selection in fish. Broad-nosed- and straight-nosed pipefish, which both have been studied in detail for a long period, were used as model organisms. These two s
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Forbes, Bruce Cameron. "Anthropogenic tundra disturbance and patterns of response in the eastern Canadian Arctic." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=41196.

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The literature of disturbance ecology reveals that, under present climatic conditions, non-native plants have little or no role in high arctic tundra revegetation. Rather, it has been suggested that indigenous flora, especially long-lived perennial graminoids, are crucial to recovery. However, few long-term data are available on past impacts within productive sedge-meadows in the High Arctic, and none which consider the non-vascular flora.<br>This thesis combines biogeographical and patch dynamics perspectives to focus on $ geq$21 yr of natural and assisted recovery of vegetation and soils fro
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Books on the topic "Anthropogenic disturbance"

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1949-, Goldammer J. G., ed. Tropical forests in transition: Ecology of natural and anthropogenic disturbance processes. Birkhäuser Verlag, 1992.

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A, Mansfield T., Goulding K. W. T, Sheppard L. J, and New Phytologist Symposium (3rd : 1997 Sept. 3-5 : University of Lancaster), eds. Major biological issues resulting from anthropogenic disturbance of the nitrogen cycle. Cambridge University Press, 1998.

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Cattau, Megan E. Biophysical and anthropogenic contributions to fire disturbance dynamics on the peat-swamp landscape, Indonesia. [publisher not identified], 2016.

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Harris, Mark Anglin. Geobiotechnological Solutions to Anthropogenic Disturbances. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30465-6.

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1959-, Flöser Götz, Tol, Richard S. J., 1969-, and SpringerLink (Online service), eds. Environmental Crises. Springer-Verlag Berlin Heidelberg, 2008.

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Goldammer, J. Tropical Forests in Transition: Ecology of Natural and Anthropogenic Disturbance Processes. Birkhauser Verlag, 2013.

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Goldammer, J. G. Tropical Forests in Transition: Ecology of Natural and Anthropogenic Disturbance Processes. Birkhäuser, 2012.

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Goldammer, J. G. Tropical Forests in Transition: Ecology of Natural and Anthropogenic Disturbance Processes (Advances in Life Sciences). Birkhauser, 1992.

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Szewczyk, Janusz. Rola zaburzeń w kształtowaniu struktury i dynamiki naturalnych lasów bukowo-jodłowo-świerkowych w Karpatach Zachodnich. Publishing House of the University of Agriculture in Krakow, 2018. http://dx.doi.org/10.15576/978-83-66602-35-9.

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The aim of the study was to determine the influence of different disturbances (both natural and anthropogenic) on species composition and stand structure of old-growth mixed mountain forests in the Western Carpathians. These stands are usually dominated by beech, fir and spruce, mixed in different proportions. The tree main species represent different growth strategies, and they compete against each other. The longevity of trees makes the factors influencing the stand structure difficult to identify, even during longitudinal studies conducted on permanent research plots. That is why dendroecol
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Santos, Ricardo Serrão, Christopher Kim Pham, and Jeroen Ingels, eds. Anthropogenic Disturbances in the Deep Sea. Frontiers Media SA, 2020. http://dx.doi.org/10.3389/978-2-88963-288-6.

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Book chapters on the topic "Anthropogenic disturbance"

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Battisti, Corrado, Gianluca Poeta, and Giuliano Fanelli. "Anthropogenic Threats." In An Introduction to Disturbance Ecology. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32476-0_8.

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Sumina, O. I., and B. C. Forbes. "Vegetation Responses to Anthropogenic Disturbance." In Social and Environmental Impacts in the North: Methods in Evaluation of Socio-Economic and Environmental Consequences of Mining and Energy Production in the Arctic and Sub-Arctic. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-007-1054-2_15.

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Forbes, B. C. "Anthropogenic Tundra Disturbance in Canada and Russia." In Disturbance and Recovery in Arctic Lands. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5670-7_21.

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Strandberg, B. "Vegetation Recovery Following Anthropogenic Disturbances in Greenland." In Disturbance and Recovery in Arctic Lands. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5670-7_22.

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Aakala, Tuomas, Cécile C. Remy, Dominique Arseneault, et al. "Millennial-Scale Disturbance History of the Boreal Zone." In Advances in Global Change Research. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-15988-6_2.

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AbstractLong-term disturbance histories, reconstructed using diverse paleoecological tools, provide high-quality information about pre-observational periods. These data offer a portrait of past environmental variability for understanding the long-term patterns in climate and disturbance regimes and the forest ecosystem response to these changes. Paleoenvironmental records also provide a longer-term context against which current anthropogenic-related environmental changes can be evaluated. Records of the long-term interactions between disturbances, vegetation, and climate help guide forest mana
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Otter, Ken A., Matthew W. Reudink, Jennifer R. Foote, Ann E. McKellar, and Nancy J. Flood. "Sexual Selection and Mating Systems under Anthropogenic Disturbance." In Songbird Behavior and Conservation in the Anthropocene. CRC Press, 2021. http://dx.doi.org/10.1201/9780429299568-5.

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Meyer, Susan E., Mac A. Callaham, Jane E. Stewart, and Steven D. Warren. "Invasive Species Response to Natural and Anthropogenic Disturbance." In Invasive Species in Forests and Rangelands of the United States. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45367-1_5.

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AbstractMuch of the literature dealing with the biology and management of invasive species has focused on the damaging ecological and economic consequences of invasions (see Chaps. 10.1007/978-3-030-45367-1_2, 10.1007/978-3-030-45367-1_3, and 10.1007/978-3-030-45367-1_14 of this volume for review). In this chapter, we shift the focus to the causes of invasion, with the goal of proactively limiting or preventing invasions rather than reacting to them once they have occurred. Preventing the introduction of invasive species is one key element in this proactive approach (Chap. 10.1007/978-3-030-45
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Jones, Paul F., Adele K. Reinking, Andrew F. Jakes, Myrna M. Miller, Terry Creekmore, and Rich Guenzel. "Pronghorn." In Rangeland Wildlife Ecology and Conservation. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-34037-6_19.

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AbstractPronghorn (Antilocapra americana) are an endemic ungulate in western North America and occupy rangelands concurrently with domestic livestock. When rangelands are in healthy condition, there is little-to-no competition between pronghorn and domestic livestock. When rangeland health deteriorates, direct competition occurs when both compete for limited resources. Pronghorn are a highly mobile species that cope with challenging environmental conditions (both natural and human-imposed) through daily and seasonal movements to more favorable habitats. Maintaining healthy rangelands and range
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Ellis, J. I., D. C. Schneider, and S. F. Thrush. "Detecting anthropogenic disturbance in an environment with multiple gradients of physical disturbance, Manukau Harbour, New Zealand." In Island, Ocean and Deep-Sea Biology. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-017-1982-7_35.

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Jolliffe, Capri, Christine Erbe, Carina Juretzek, et al. "Management of Noise." In Marine Mammal Acoustics in a Noisy Ocean. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-77022-7_12.

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Abstract Anthropogenic noise in most parts of the Earth’s oceans is increasing. If not managed appropriately, it has the potential to significantly impact marine mammals and their ability to interact with their environment. Marine mammals rely heavily on sound for critical life functions, and anthropogenic noise can interfere with sound sensing and usage, through masking, behavioral disturbance, stress, noise-induced temporary hearing loss, and, in extreme cases, injury to tissues and organs. Depending on the severity and context of a noise exposure, noise-induced impacts to individual animals
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Conference papers on the topic "Anthropogenic disturbance"

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Diasamidze, Inga, Gia Bolkvadze, Natela Varshanidze, and Nana Zarnadze. "MACROMYCETES OF BEECH FOREST IN MTIRALA NATIONAL PARK, GEORGIA." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/3.1/s14.44.

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This review provides an overview of the diversity of macromycetes (fungi with visible fruiting bodies) in Mtirala national park beech forests, highlighting their ecological roles and significance within these ecosystems. Mtirala National Park is a protected area in Adjara region, Western Georgia. It is part of the Colchic Rainforests and Wetlands, a UNESCO World Heritage Site. Mtirala National Park Colchic broad-leaved and mixed forests include sweet chestnut and Oriental beech woods. Mount Mtirala is one of the most humid areas in the country. The fungal community in beech forests encompasses
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Leal, Inara R. "Myrmecochory in brazilian Caatinga and its response to chronic anthropogenic disturbance." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.91853.

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Noren, Dawn P., Marla M. Holt, Robin C. Dunkin, Nicole M. Thometz, and Terrie M. Williams. "Comparative and cumulative energetic costs of odontocete responses to anthropogenic disturbance." In 171st Meeting of the Acoustical Society of America. Acoustical Society of America, 2016. http://dx.doi.org/10.1121/2.0000357.

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Jun, M. "MONITORING OF FOREST ECOSYSTEMS DISTURBANCES IN MARI EL REPUBLIC." In Лесные экосистемы в условиях изменения климата: биологическая продуктивность и дистанционный мониторинг. Crossref, 2020. http://dx.doi.org/10.25686/7237.2020.6.58835.

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Natural factors and anthropogenic impact frequently result in different levels of forest disturbances, which have an important influence on forest resource management and climate change. Under the background of global warming, large-scale forest disturbance monitoring and its impact have become the hotspot and the focus of research worldwide. Remote sensing can obtain large-area forest cover data on a regular basis, thus becoming an important means of regular and continuous forest disturbance monitoring. Forest monitoring based on time series data has become the main research method. Therefore
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Сёмкин, Б. И., and Л. И. Варченко. "FOUR-COMPONENT ECOLOGICAL INVARIANTS AND THEIR DISTURBANCE UNDER THE INFLUENCE OF ANTHROPOGENIC FACTORS." In Геосистемы Северо-Восточной Азии. Crossref, 2021. http://dx.doi.org/10.35735/tig.2021.65.50.044.

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Установлены существенные преимущества нового подхода, при котором многокомпонентными инвариантами являются относительные спектры. С использованием сравнительного анализа установлено постоянство многокомпонентных инвариантов и их изменение под воздействием антропогенных факторов. A general approach to the study of invariants in natural sciences is proposed. On examples using the traditional and new approaches, estimates of ecological and taxonomic invariants were made. Significant advantages of the new approach, in which relative spectra are multicomponent invariants, have been established. Usi
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Elo, Merja, Santtu Kareksela, Tuomas Haapalehto, Hilja Vuori, Kaisu Aapala, and Janne Kotiaho. "The mechanistic basis of changes in community assembly in relation to anthropogenic disturbance and productivity." In 5th European Congress of Conservation Biology. Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107462.

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Antonova, L. A. "CANADIAN GOLDENROAD (SOLIDAGO CANADENSIS L.) AS AN INDICATOR OF ANTHROPOGENIC TRANSFORMATION OF ECOSYSTEMS OF THE LOWER AMUR REGION." In Современные проблемы регионального развития. ИКАРП ДВО РАН, 2024. http://dx.doi.org/10.31433/978-5-904121-41-9-2024-5-7.

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The results of an analysis of the phytocenotic activity of Solidago canadensis in meadow-shrub communities and fallow communities of the Lower Amur region are presented. It has been established that the phytocenotic activity of the species increases as the disturbance of communities increases.
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Zhao, Yinlin, Hongjie Wen, Bing Ren, Guoyu Wang, and Yongxue Wang. "An Improved SPH Model for Simulating Hydrodynamic Consequences Induced by Reef Degradation." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18520.

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Abstract Coral reefs degradation accelerates in recent decades due to the natural disturbance and anthropogenic activities. It is important to predict and evaluate reasonably the hydrodynamic consequences of reef degradation. An improved weakly compressible smoothed particle hydrodynamic (WCSPH) porous model is developed based on the standard two-phase mixture theory. The developed WCSPH mixture model is validated by comparing the predicted results with the corresponding available data. The model is then adopted to predict the effects of reef degradation on the spatial distributions of wave se
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Freimane, Lasma, Linda Caksa, Annija Karklina, Didzis Elferts, and Beate Berzina. "Post fire ground vegetation development over 25 years." In Research for Rural Development 2021 : annual 27th International scientific conference proceedings. Latvia University of Life Sciences and Technologies, 2021. http://dx.doi.org/10.22616/rrd.27.2021.006.

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Fire has been a part of natural disturbance regime in boreal and to some extent also hemiboreal forests, affecting soil and light conditions, seedbanks, trees and ground vegetation. The most significant factors affecting occurrence, severity and size of forest fires are anthropogenic, weather and the environment, all of which are changing due to human-caused climate change. This paper discusses medium term (25 years) vegetation development in five different biotopes after fire disturbance. Sample plots were established in Slitere Reserve (now National park) in north-western Latvia on areas aff
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Catapane, G. "Labyrinth quarter-wavelength tubes array for the reduction of machinery noise." In Aeronautics and Astronautics. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902813-158.

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Abstract. Anthropogenic noise from navigation is a major contributor to the disturbance of the acoustic soundscape in underwater environments. The noise generated by ship’s machinery exhibits energetic tonal harmonic peaks at multiples of the rotating and firing frequency, that occur in the 20-200 Hz frequency range and difficult to control with classical soundproofing materials. Quarter wavelength tubes (QWT) can be a concrete solution since their absorption peaks are harmonic odd integers of the first resonance frequency. The main issue of QWT is their tuning length, which equals 1.43 m for
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Reports on the topic "Anthropogenic disturbance"

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Holt, Marla M., Dawn P. Noren, Robin Dunkin, and Terrie M. Williams. Comparative and Cumulative Energetic Costs of Odontocete Responses to Anthropogenic Disturbance. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada616409.

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Williams, Terrie M. High Risk Behaviors in Marine Mammals: Linking Behavioral Responses to Anthropogenic Disturbance to Biological Consequences. Defense Technical Information Center, 2013. http://dx.doi.org/10.21236/ada602529.

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Hayden, Heather. The Erosion of Coastal Sediment and Regeneration of Rhizophora mangle Following Anthropogenic Disturbance on Turneffe Atoll, Belize. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.2363.

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Boyle, Maxwell (Forbes), Mallorie Davis, Maxwell (Forbes) Boyle, and Mallorie Davis. Terrestrial vegetation monitoring at Moores Creek National Battlefield: 2022 data summary. National Park Service, 2024. http://dx.doi.org/10.36967/2306499.

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Parks within the Southeast Coast Network (SECN) host a diverse assemblage of plants and terrestrial vegetation communities. Vegetation communities are dynamic entities whose species composition, abundance, distribution, and structure are influenced by environmental factors and impacted over time by natural and anthropogenic disturbances. Determining trends in vegetation communities over time and identifying plant stressors is vital to understanding the ecological health of terrestrial ecosystems within SECN parks. Moores Creek National Battlefield lies within the Middle Atlantic Coastal Plain
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Raymond, Kara, Laura Palacios, Cheryl McIntyre, and Evan Gwilliam. Status of climate and water resources at Saguaro National Park: Water year 2019. Edited by Alice Wondrak Biel. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2288717.

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Climate and hydrology are major drivers of ecosystems. They dramatically shape ecosystem structure and function, particularly in arid and semi-arid ecosystems. Understanding changes in climate, groundwater, and water quality and quantity is central to assessing the condition of park biota and key cultural resources. The Sonoran Desert Network collects data on climate, groundwater, and surface water at 11 National Park Service units in south-ern Arizona and New Mexico. This report provides an integrated look at climate, groundwater, and springs conditions at Saguaro National Park (NP) during wa
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Boyle, M., and M. Boyle. Terrestrial vegetation monitoring at Canaveral National Seashore: 2022 data summary?version 1.1. National Park Service, 2024. http://dx.doi.org/10.36967/2305810.

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Parks within the Southeast Coast Network (SECN) host a diverse assemblage of plants and terrestrial vegetation communities. Vegetation communities are dynamic entities whose species composition, abundance, distribution, and structure are influenced by environmental factors and impacted over time by natural and anthropogenic disturbances. Determining trends in vegetation communities over time and identifying plant stressors is vital to understanding the ecological health of terrestrial ecosystems within SECN parks. Canaveral National Seashore lies within the Southern Coastal Plain ecoregion of
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Boyle, Maxwell, Mallorie Davis, Maxwell Boyle, and Mallorie Davis. Terrestrial vegetation monitoring at Horseshoe Bend National Military Park: 2022 data summary. National Park Service, 2024. http://dx.doi.org/10.36967/2305166.

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Parks within the Southeast Coast Network (SECN) host a diverse assemblage of plants and terrestrial vegetation communities. Vegetation communities are dynamic entities whose species composition, abundance, distribution, and structure are influenced by environmental factors and impacted over time by natural and anthropogenic disturbances. Determining trends in vegetation communities over time and identifying plant stressors is vital to understanding the ecological health of terrestrial ecosystems within SECN parks. Horseshoe Bend National Military Park lies within the Southern Inner Piedmont ec
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Raymond, Kara, Laura Palacios, Cheryl McIntyre, and Evan Gwilliam. Status of climate and water resources at Chiricahua National Monument, Coronado National Memorial, and Fort Bowie National Historic Site: Water year 2019. National Park Service, 2022. http://dx.doi.org/10.36967/nrr-2293370.

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Climate and hydrology are major drivers of ecosystems. They dramatically shape ecosystem structure and function, particularly in arid and semi-arid ecosystems. Understanding changes in climate, groundwater, and water quality and quantity is central to assessing the condition of park biota and key cultural resources. The Sonoran Desert Network collects data on climate, groundwater, and surface water at 11 National Park Service units in southern Arizona and New Mexico. This report provides an integrated look at climate, groundwater, and springs conditions at Chiricahua National Monument (NM), Co
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Boyle, Maxwell. Terrestrial vegetation monitoring at Cape Lookout National Seashore: 2022 data summary. National Park Service, 2024. http://dx.doi.org/10.36967/2303636.

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Parks within the Southeast Coast Network (SECN) host a diverse assemblage of plants and terrestrial vegetation communities. Vegetation communities are dynamic entities whose species composition, abundance, distribution, and structure are influenced by environmental factors and impacted over time by natural and anthropogenic disturbances. Determining trends in vegetation communities over time and identifying plant stressors is vital to understanding the ecological health of terrestrial ecosystems within SECN parks. Like most barrier islands along the southeastern coast, the vegetation communiti
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Short, Mary, та Sherry Leis. Vegetation monitoring in the Manley Woods unit at Wilson’s Creek National Battlefield: 1998–2020. Редактор Tani Hubbard. National Park Service, 2022. http://dx.doi.org/10.36967/nrr-2293615.

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Natural resource management at Wilson’s Creek National Battlefield (NB) is guided by our understanding of the woodlands and prairies at the time of the Civil War battle in 1861. This report is focused on the Manley Woods unit of the park. This unit is an oak-hickory woodland in the Springfield Plain subsection of the Ozarks. Canopy closure for Missouri oak woodlands can be highly variable and ranges from 30–100% across the spectrum of savanna, open woodland, and closed woodland types. In 1861, the woodland was likely a savanna community. Changes in land use (e.g., fire exclusion) caused an increa
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