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Academic literature on the topic 'Biota of lakes'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 January 2023

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Journal articles on the topic "Biota of lakes"

1

Macdonald, C. R., and C. D. Metcalfe. "Concentration and Distribution of PCB Congeners in Isolated Ontario Lakes Contaminated by Atmospheric Deposition." Canadian Journal of Fisheries and Aquatic Sciences 48, no. 3 (1991): 371–81. http://dx.doi.org/10.1139/f91-049.

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The concentration of 19 PCB congeners was analysed in biota, sediments, water, and suspended solids in four central Ontario lakes in which atmospheric deposition was the major source of PCB contamination. Input from the atmosphere resulted in total congener concentrations of 1–2 ng∙L−1 dissolved in water, 10–50 μg∙kg−1 (dry weight} in sediment, 5–10 μg∙kg−1 (wet weight) in biota from lower trophic levels (i.e. zooplankton, golden shiner (Notemigonus crysoleucas)), and 10–30 μg∙kg−1 (wet weight) in fish from upper trophic levels (yellow perch (Perca fiavescens), smallmouth bass (Micropterus dolomieui)). The dominant PCB congeners in the lakes were the trichlorobiphenyl congeners 31(28} and the hexachlorobiphenyl congeners 153 and 138, consistent with congener distributions reported for vapour- and particulate-bound PCBs in the atmosphere. Discriminant analysis indicated slight differences in congener patterns between the study lakes, but the general pattern for isolated lakes was substantially different from point-source contaminated lakes, primarily due to the high proportion of congeners 31(28). There was no significant difference in the total PCB concentrations in biota (lipid basis) between lakes, but within the lakes, total PCB concentrations were significantly higher in yellow perch than in biota from lower trophic levels.

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2

Ovdina, Ekaterina, Vera Strakhovenko, and Emilia Solotchina. "Authigenic Carbonates in the Water–Biota–Bottom Sediments’ System of Small Lakes (South of Western Siberia)." Minerals 10, no. 6 (2020): 552. http://dx.doi.org/10.3390/min10060552.

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We studied 46 small, drainless lakes in various landscape types: The sub-taiga (Vasyugan plain), forest–steppe (Baraba lowland), and steppe and subzone of ribbon forests (Kulunda plain). Sampling of lake components (sediments, water, and biota) was performed. The materials were analyzed via a combination of modern analytical methods (atomic absorption spectroscopy, X-ray fluorescence, scanning electron microscopy and X-ray diffractometry). It was found that in the south of Western Siberia, lakes with a bicarbonate-sodium water composition are widespread against the background of general landscape zoning. This composition contributes to the abundant growth of biota in the lakes, which leads to the processes of authigenic carbonate formation from calcite–dolomite series and aragonite on geochemical barriers, i.e., drifting biota–water, submerged biota–water, and water–bottom sediments against a background of terrigenous demolition and organic matter accumulation. The article shows the differences in the composition and structure of low-temperature carbonate minerals formed on various geochemical barriers. It was found that low-magnesium calcite and aragonite are the most common authigenic carbonates in small lakes in the south of Western Siberia and are formed on all three geochemical barriers in lakes. High-magnesium calcites and Ca-excess dolomites are formed only at the water–bottom sediment barrier in lakes with HCO3–Na and Cl–HCO3–Na water composition at pH > 9 and with a total dissolved solids > 3 g·L−1 (in some lakes of HCO3-Na composition with a TDS < 3 g·L−1 and pH > 9).

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3

Comin, F. A., and M. Alonso. "Spanish salt lakes: Their chemistry and biota." Hydrobiologia 158, no. 1 (1988): 237–45. http://dx.doi.org/10.1007/bf00026281.

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4

Allen, Erik W., Ellie E. Prepas, Stephan Gabos, William MJ Strachan, and Weiping Zhang. "Methyl mercury concentrations in macroinvertebrates and fish from burned and undisturbed lakes on the Boreal Plain." Canadian Journal of Fisheries and Aquatic Sciences 62, no. 9 (2005): 1963–77. http://dx.doi.org/10.1139/f05-103.

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Methyl mercury (MeHg) concentrations in macroinvertebrates and fish were compared among five lakes in burned catchments and five reference lakes on the western Canadian Boreal Plain to determine the influence of forest fire on MeHg bioaccumulation. Two years after fire, MeHg concentrations in five of six aquatic taxa were similar in burned and reference lakes. Among a larger set of 12 lakes, MeHg concentrations in biota were negatively correlated with lake water pH, trophic status, and hardness, reflecting a pre-existing gradient in water chemistry. Biomagnification of MeHg (as determined by regression of MeHg concentration on baseline-adjusted δ15N) was negatively correlated with lake water chlorophyll a concentration. A subsequent logging experiment interrupted by fire provided an opportunity to compare pre- and post-fire MeHg concentrations in aquatic biota. Three months after fire, biota MeHg concentrations had decreased by 32%50%, and lake water ammonium concentrations had increased 11-fold relative to the previous year. In this nutrient-rich setting, fire may lower MeHg concentrations in aquatic biota over the short-term by inducing an increase in lake productivity that dilutes MeHg at the base of the food web.

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5

Subehi, L., H. Uno, Imroatushshoolikhah, et al. "Ecological Heterogeneity of Oxbow and Floodplain Lakes Along the Kapuas Riverine System." IOP Conference Series: Earth and Environmental Science 1062, no. 1 (2022): 012019. http://dx.doi.org/10.1088/1755-1315/1062/1/012019.

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Abstract Kapuas River in West Kalimantan with over 1,143 km is the largest river in Indonesia. It serves as a main refuge for high potential biodiversity. Oxbow lakes along the Kapuas River are of high ecological essential due to the number and the diversity of habitats they provide. In addition, oxbow lakes are critical components of the floodplain systems of lowland rivers. The objective of this study was to explore the diversity of oxbow lakes and their connectivity to the main river. We conducted fieldwork to measure water quality and ecological components at 12 oxbow lakes along the Kapuas River and two lakes in the Sentarum complex in January - February 2020. We measured the environmental parameters including water depth, water temperature, Secchi/transparency, pH, dissolved oxygen concentration, chlorophyll-a concentration, total nitrogen, and total phosphorus concentrations. Aquatic biota, including phytoplankton and zooplankton community structures, were also observed at 12 oxbow lakes along the Kapuas River and two lakes in the Sentraum complex. The sampling points represented both permanent and non-permanent connectivity of the oxbow lakes to the main river. The result indicates the variability of environmental characteristics between the lakes, based on water quality and biota analysis; for example, water acidity, as indicated by pH, was likely to seem like the main variable determining the oxbow lake biota. Also, the habitat connectivity of oxbow lakes to the main river has significantly influenced the biotic composition.

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6

Baccini, Peter. "Metal transport and metal/biota interactions in lakes." Environmental Technology Letters 6, no. 1-11 (1985): 327–34. http://dx.doi.org/10.1080/09593338509384350.

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7

Remucal, Christina K. "Spatial and temporal variability of perfluoroalkyl substances in the Laurentian Great Lakes." Environmental Science: Processes & Impacts 21, no. 11 (2019): 1816–34. http://dx.doi.org/10.1039/c9em00265k.

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8

Vidal, Nicolas, Susanne L. Amsinck, Vítor Gonçalves, et al. "Food Webs and Fish Size Patterns in Insular Lakes Partially Support Climate-Related Features in Continental Lakes." Water 13, no. 10 (2021): 1380. http://dx.doi.org/10.3390/w13101380.

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Disentangling the effects of climate change on nature is one of the main challenges facing ecologists nowadays. Warmer climates forces strong effects on lake biota for fish, leading to a reduction in size, changes in diet, more frequent reproduction, and stronger cascading effects. Space-for-time substitution studies (SFTS) are often used to unravel climate effects on lakes biota; however, results from continental lakes are potentially confounded by biogeographical and evolutionary differences, also leading to an overall higher fish species richness in warm lakes. Such differences may not be found in lakes on remote islands, where natural fish free lakes have been subjected to stocking only during the past few hundred years. We studied 20 species-poor lakes located in two remote island groups with contrasting climates, but similar seasonality: the Faroe Islands (cold; 6.5 ± 2.8 °C annual average (SD) and the Azores Islands (warm; 17.3 ± 2.9 °C)). As for mainland lakes, mean body size of fish in the warmer lakes were smaller overall, and phytoplankton per unit of phosphorus higher. The δ13C carbon range for basal organisms, and for the whole food web, appeared wider in colder lakes. In contrast to previous works in continental fresh waters, Layman metrics of the fish food web were similar between the two climatic regions. Our results from insular systems provide further evidence that ambient temperatures, at least partially, drive the changes in fish size structure and the cascading effects found along latitude gradients in lakes.

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9

Padilla Gil, Dora Nancy. "The Heteropterans (Gerromorpha and Nepomorpha) of Andean lakes from Colombia." Revista Facultad de Ciencias Básicas 15, no. 2 (2020): 57–68. http://dx.doi.org/10.18359/rfcb.4399.

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    The Nepomorpha and Gerromorpha heteropterans are highly diverse, mainly in Neotropical aquatic ecosystems; however, their composition in the lakes of the Tropical Andes is poorly known. This article presents the composition of aquatic and semiaquatic bugs and their geographical and altitudinal distribution in eight lentic ecosystems from the Cundinamarca department, Colombia. The similar aquatic heteropteran composition between these Andean lakes and its relationship with the geographical and altitudinal range from 1,585 to 3,700 m.a.s.l. in the Eastern Andes are also analyzed. To carry out this work, the collections and pertinent literature are reviewed, and biota similarity is compared by applying a upgma analysis. The results show the predominance of Nepomorpha with a total of 12 species, four genera, and two families: Corixidae (6), and Notonectidae (6). The second most common suborder is Gerromorpha with eight species, seven genera, and five families: Gerridae (3), Veliidae (2), Hebridae (1), Hydrometridae (1), and Mesoveliidae (1). The biota similarity is related to páramo ecosystems and forest type. This article is the first to consider aquatic and semiaquatic heteropterans as biota from the Andean and High Andean lakes in Colombia.   

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Yang, Hong, Charles J. Smiley, and Shipu Yang. "Comparative taphonomy of Miocene fossil biotas with soft tissues in lake deposits: Clarkia (Idaho, U.S.A.) and Shanwang (Shandong, P.R. China)." Paleontological Society Special Publications 6 (1992): 319. http://dx.doi.org/10.1017/s2475262200008790.

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The recent discovery of Tertiary plant fossil DNA from the Clarkia Miocene lacustrine deposits, northern Idaho, has raised concerns of the taphonomic conditions of preservation of fossil biotas with soft tissues and the further prediction of such occurrence in ancient lake deposits. The exceptionally preserved Clarkia fossil biota is compared with the Shanwang biota in Shandong Provence, eastern P.R.China, another example of Miocene conservative fossil lagerstatten. The comparison shows following similarities between the two extraordinarily preserved Miocene fossil biotas: (1) both were deposited under similar age, geological background, and depositional environment; (2) humid, warm-temperate paleoclimate was inferred in both areas; (3) both deposits contain diverse fossil biotas with soft tissues but having limited benthic organisms; (4) higher similarity coefficient exists between fossil diatoms, higher plants and insects at genus or higher taxonomic levels; and (5) overall similar taphofacies exists between the two fossil biotas.However, following differences appear between the two areas: (1) diverse vertebrate fossils in Shanwang site are sharply contrasted with the Clarkia biota in which terrestrial vertebrates are absent; (2) comparison of taphonomic signatures shows slightly different patterns between the two; (3) the two Miocene lakes originated in different manners, thus differences appear in configuration, stratification, and other paleolimnologic parameters between the two ancient lakes.The comparison of the two extraordinary fossil biotas, coupled with geologic, sedimentologic, paleoecologic and paleobiochemical studies, demonstrates that the formation and preservation of such fossil biotas with soft tissues in ancient lake deposits were strongly controlled by various paleolimnologic, paleoclimatic, taphonomic and compositional parameters.

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Dissertations / Theses on the topic "Biota of lakes"

1

Davies, Kimberley. "Biogeochemical interactions in thermokarst lakes : investigations into methane processes and lake biota." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/380572/.

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Handley, Michelle Anne. "The distribution pattern of algal flora in saline lakes in Kambalda and Esperance, Western Australia." Thesis, Curtin University, 2003. http://hdl.handle.net/20.500.11937/413.

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The study has attempted to characterise the physicochemical limnology and distribution of algal flora of two salt lake systems in Western Australia, one from the coastal Esperance region and the other from the inland Kambalda region. Climatic conditions, water regimes and physicochemistry were found to differ markedly between the two lake systems and a total of 171 algal taxa, representing five divisions, were recorded. Of these, 82 were members of Bacillariophyta, 48 of Cyanophyta, 33 of Chlorophyta, two of Euglenophyta and six of Dinophyta. The physical limnology of salt lakes in the Esperance region was seasonally variable, defined by climatic conditions. As such, the lakes investigated in the region exhibited a stable cycle of filling during winter and spring, and drying out in summer. Four of the lakes in the region could be classified as near-permanent, and one as seasonal on the basis of predictability and duration of filling. Seasonal fluctuations in water depth resulted in fluctuations in salinity levels. Salinity levels ranged from subsaline to hypersaline, and all the lakes in the region were alkaline. In addition, the lakes were well mixed in terms of oxygen and temperature, and were impacted by eutrophication from their catchments. They were either mesotrophic or eutrophic with respect to both nitrogen and phosphorus. In geological terms, lakes in the Esperance region were separated only recently from the ocean, and two lakes retain a connection with marine waters, one through a creek during years of high rainfall and one through hydrological interactions with groundwater of marine origin. In general, the algal communities of lakes in the Esperance region were similar to those of other Australian coastal salt lakes.Diatoms and cyanobacteria were dominant in all lakes except the most eutrophic, Lake Warden, in which benthic green algae were most abundant. All algal species recorded were known for their wide geographic distribution and their distribution in Australian coastal waters. Characteristically coastal diatom species included Achnanthes brevipes, Achnanthes coarctata, Achnanthes lanceolata var. dubia, Achnanthidium cruciculum, Campylodiscus clypeus, Cyclotella atomus, Cyclotella meneghiniana, Cyclotella striata, Mastogloia elliptica, Mastoglia pumila, Nitzschia punctata and Thalassiosira weissflogii. The inland salt lakes of the Kambalda region form part of an extensive palaeodrainage system, and were much less predictable in terms water regime than lakes in Esperance. Water depth was determined by seasonal variability in rainfall and evaporation, and by summer cyclonic rainfall events that were unreliable from year to year. In addition, rainfall varied spatially within the region. As such, most lakes were classified as intermittent. Two lakes in the region were not classified on the basis of water regime as they were too highly impacted by mining activities including water diversion and impoundment, water extraction and discharge of groundwater. Salinity varied in accordance with drying and filling cycles in the lakes except the most hypersaline as the volume of water received during rainfall events was insufficient to dilute the extensive surface salt crusts they each supported when dry. Salinities recorded in the region ranged from subsaline to hypersaline, and ionic compositions exhibited the same spectrum as seawater.Calcium levels were significantly higher than in lakes from the Esperance region due to weathering of calcium rich sediments, and pH ranged from weakly acidic in the most hypersaline lakes to alkaline in the least saline lakes. All were well mixed in terms of oxygen and temperature. Kambalda salt lakes support distinctive algal communities dominated by diatoms and cyanobacteria that are adapted to intermittent water regimes, extended periods of desiccation and variable salinity. Not surprisingly then, none of the algal taxa recorded from the region were regionally restricted, all noted previously in the literature to have wide geographic distributions, and to be tolerant of a range of physicochemical conditions. Canonical correspondence analysis showed that, of the physicochemical parameters that were investigated in this study, both salinity and pH interacted in determining algal community structure. Both of these attributes were correlated with water depth, which varied according to climatic conditions in a seasonal drying and filling cycle. The general relationship between species richness and pH and salinity, and species diversity and pH and salinity was simple and linear; with increasing pH and salinity, species diversity and species richness decreased. What was less simple, and non-linear, was the nature of the relationship between species richness and diversity and salinity within more narrowly defined ranges of salinity. As salinity increased from <1ppt to 30ppt there was a dramatic reduction in species richness and diversity, then, as salinity increased from 30ppt to 100ppt the rate of decrease slowed. Between 100ppt and 250ppt there was almost no relationship between salinity and species richness and species diversity, but after 250ppt both species diversity and species richness declined markedly.

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3

Handley, Michelle Anne. "The distribution pattern of algal flora in saline lakes in Kambalda and Esperance, Western Australia." Curtin University of Technology, Department of Environmental Biology, 2003. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=14435.

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The study has attempted to characterise the physicochemical limnology and distribution of algal flora of two salt lake systems in Western Australia, one from the coastal Esperance region and the other from the inland Kambalda region. Climatic conditions, water regimes and physicochemistry were found to differ markedly between the two lake systems and a total of 171 algal taxa, representing five divisions, were recorded. Of these, 82 were members of Bacillariophyta, 48 of Cyanophyta, 33 of Chlorophyta, two of Euglenophyta and six of Dinophyta. The physical limnology of salt lakes in the Esperance region was seasonally variable, defined by climatic conditions. As such, the lakes investigated in the region exhibited a stable cycle of filling during winter and spring, and drying out in summer. Four of the lakes in the region could be classified as near-permanent, and one as seasonal on the basis of predictability and duration of filling. Seasonal fluctuations in water depth resulted in fluctuations in salinity levels. Salinity levels ranged from subsaline to hypersaline, and all the lakes in the region were alkaline. In addition, the lakes were well mixed in terms of oxygen and temperature, and were impacted by eutrophication from their catchments. They were either mesotrophic or eutrophic with respect to both nitrogen and phosphorus. In geological terms, lakes in the Esperance region were separated only recently from the ocean, and two lakes retain a connection with marine waters, one through a creek during years of high rainfall and one through hydrological interactions with groundwater of marine origin. In general, the algal communities of lakes in the Esperance region were similar to those of other Australian coastal salt lakes.<br>Diatoms and cyanobacteria were dominant in all lakes except the most eutrophic, Lake Warden, in which benthic green algae were most abundant. All algal species recorded were known for their wide geographic distribution and their distribution in Australian coastal waters. Characteristically coastal diatom species included Achnanthes brevipes, Achnanthes coarctata, Achnanthes lanceolata var. dubia, Achnanthidium cruciculum, Campylodiscus clypeus, Cyclotella atomus, Cyclotella meneghiniana, Cyclotella striata, Mastogloia elliptica, Mastoglia pumila, Nitzschia punctata and Thalassiosira weissflogii. The inland salt lakes of the Kambalda region form part of an extensive palaeodrainage system, and were much less predictable in terms water regime than lakes in Esperance. Water depth was determined by seasonal variability in rainfall and evaporation, and by summer cyclonic rainfall events that were unreliable from year to year. In addition, rainfall varied spatially within the region. As such, most lakes were classified as intermittent. Two lakes in the region were not classified on the basis of water regime as they were too highly impacted by mining activities including water diversion and impoundment, water extraction and discharge of groundwater. Salinity varied in accordance with drying and filling cycles in the lakes except the most hypersaline as the volume of water received during rainfall events was insufficient to dilute the extensive surface salt crusts they each supported when dry. Salinities recorded in the region ranged from subsaline to hypersaline, and ionic compositions exhibited the same spectrum as seawater.<br>Calcium levels were significantly higher than in lakes from the Esperance region due to weathering of calcium rich sediments, and pH ranged from weakly acidic in the most hypersaline lakes to alkaline in the least saline lakes. All were well mixed in terms of oxygen and temperature. Kambalda salt lakes support distinctive algal communities dominated by diatoms and cyanobacteria that are adapted to intermittent water regimes, extended periods of desiccation and variable salinity. Not surprisingly then, none of the algal taxa recorded from the region were regionally restricted, all noted previously in the literature to have wide geographic distributions, and to be tolerant of a range of physicochemical conditions. Canonical correspondence analysis showed that, of the physicochemical parameters that were investigated in this study, both salinity and pH interacted in determining algal community structure. Both of these attributes were correlated with water depth, which varied according to climatic conditions in a seasonal drying and filling cycle. The general relationship between species richness and pH and salinity, and species diversity and pH and salinity was simple and linear; with increasing pH and salinity, species diversity and species richness decreased. What was less simple, and non-linear, was the nature of the relationship between species richness and diversity and salinity within more narrowly defined ranges of salinity. As salinity increased from <1ppt to 30ppt there was a dramatic reduction in species richness and diversity, then, as salinity increased from 30ppt to 100ppt the rate of decrease slowed. Between 100ppt and 250ppt there was almost no relationship between salinity and species richness and species diversity, but after 250ppt both species diversity and species richness declined markedly.

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4

Stendera, Sonja Johnson Richard K. "Spatiotemporal variability of chemistry and biota in boreal surface waters : a multiscale analysis of patterns and processes /." Uppsala : Swedish University of Agricultural Sciences, 2005. http://diss-epsilon.slu.se/archive/00000956/.

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Thesis (doctoral)--Swedish University of Agricultural Sciences, 2005.<br>Thesis documentation sheet inserted. Appendix reproduces four papers and manuscripts co-authored with R.K. Johnson. Issued also electronically via World Wide Web in PDF format; online version lacks appendix.

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5

Gregory, Stacey J. "The classification of inland salt lakes in Western Australia." Thesis, Curtin University, 2007. http://hdl.handle.net/20.500.11937/609.

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Inland salt lakes in Western Australia have been used by the mining industry for the disposal of excess water generated during the mining process. However, the impact of these operations on the salt lakes is poorly understood. This is mainly due to the lack of information on the biota and chemistry for the lakes. The main aim of this project was to develop a classification system for inland salt lakes of Western Australia based on abiotic and biotic factors such as sediment and water quality, invertebrates and algae to determine lakes with unique or significant features. Water and sediments collected from the salt lakes were generally characterised by an alkaline pH, high salinity and the majority of lakes being dominated by sodium and chloride. Concentrations of some metals were also high, particularly in surface water. A high degree of variation in water and sediment quality was demonstrated both within and between the study lakes. In addition, these parameters were shown to be influenced by geography, geology, stage of the hydrocycle within which the lake was sampled and the occurrence of dewatering discharge. Biota in the salt lakes must be able to cope in a harsh environment, adjusting to temporary water regime, high temperature, and high salinity. As such, the species richness of these systems is generally low. Diatoms (a group of algae) and invertebrates were investigated among the biota. A total of 56 diatom species were recorded from 24 lakes. The most common species were Amphora coffeaeformis, Hantzschia aff. baltica and Navicula aff. incertata. These species were shown to have broad tolerances to environmental variations. Sediment chemistry explained variations in diatom community structure, with zinc, moisture content and cobalt having the greatest and negative influence.In terms of invertebrates, a total of 101 invertebrate taxa were recorded from 13 lakes in this study. Crustacea dominated and the greatest number of taxa was from the genus Parartemia. There were some differences in invertebrate community structure between lakes, most likely reflecting the high degree of speciation, and poor dispersal mechanisms of certain key species. Community structure was influenced by water quality, with phosphorus, bicarbonate and magnesium contributing to the variations in community structure. Among the 43 lakes chosen for this study a total of 17 lakes had received, or are currently receiving dewatering discharge. Sites receiving dewatering discharge generally reported higher concentrations of salts, nutrients and some metals in both water and sediments compared to natural lakes. Species richness of biota such as diatoms and invertebrates was lower at the lakes receiving dewatering discharge. However, the impact was generally localized within the pooled area of dewatering discharge. Also, despite these impacts, there appears to be signs of amelioration by flushing events. Currently there are no guidelines for water and sediment chemistry for inland salt lakes in Western Australia. Australian and New Zealand Environment and Conservation Council (ANZECC) guidelines are the most relevant available. Concentrations of cadmium, cobalt, chromium, copper, lead, nickel and zinc in surface water of the natural inland salt lakes were shown to exceed ANZECC guideline values.Comparison with the relevant ANZECC sediment guidelines showed that they were applicable to the salt lakes, with the exception of nickel and chromium which were naturally high in the salt lake sediments. Classification of data using multivariate analysis was done for both dry and wet phases of the hydroperiod. Six groups were delineated for the sediment and diatom data, and four groups were defined for the water quality and invertebrate data. It was common for sites from particular lakes to fall in more than one group as a result of the variability in these systems. There are a number of practical applications of this system for the mining industry and it may be used as a predictive tool for determining the impact of dewatering discharge and highlighting unique salt lakes within the Goldfields of Western Australia.

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6

Stendera, Sonja. "Spatiotemporal variability of chemistry and biota in boreal surface waters : a multiscale analysis of patterns and processes /." Uppsala : Dept. of Environmental Assessment, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/200595.pdf.

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7

Welsh, Paul Gregory. "Influence of dissolved organic carbon on the speciation, bioavailability and toxicity of metals to aquatic biota in soft water lakes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq21397.pdf.

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8

Gregory, Stacey J. "The classification of inland salt lakes in Western Australia." Curtin University of Technology, School of Environmental Biology, 2007. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=18037.

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Inland salt lakes in Western Australia have been used by the mining industry for the disposal of excess water generated during the mining process. However, the impact of these operations on the salt lakes is poorly understood. This is mainly due to the lack of information on the biota and chemistry for the lakes. The main aim of this project was to develop a classification system for inland salt lakes of Western Australia based on abiotic and biotic factors such as sediment and water quality, invertebrates and algae to determine lakes with unique or significant features. Water and sediments collected from the salt lakes were generally characterised by an alkaline pH, high salinity and the majority of lakes being dominated by sodium and chloride. Concentrations of some metals were also high, particularly in surface water. A high degree of variation in water and sediment quality was demonstrated both within and between the study lakes. In addition, these parameters were shown to be influenced by geography, geology, stage of the hydrocycle within which the lake was sampled and the occurrence of dewatering discharge. Biota in the salt lakes must be able to cope in a harsh environment, adjusting to temporary water regime, high temperature, and high salinity. As such, the species richness of these systems is generally low. Diatoms (a group of algae) and invertebrates were investigated among the biota. A total of 56 diatom species were recorded from 24 lakes. The most common species were Amphora coffeaeformis, Hantzschia aff. baltica and Navicula aff. incertata. These species were shown to have broad tolerances to environmental variations. Sediment chemistry explained variations in diatom community structure, with zinc, moisture content and cobalt having the greatest and negative influence.<br>In terms of invertebrates, a total of 101 invertebrate taxa were recorded from 13 lakes in this study. Crustacea dominated and the greatest number of taxa was from the genus Parartemia. There were some differences in invertebrate community structure between lakes, most likely reflecting the high degree of speciation, and poor dispersal mechanisms of certain key species. Community structure was influenced by water quality, with phosphorus, bicarbonate and magnesium contributing to the variations in community structure. Among the 43 lakes chosen for this study a total of 17 lakes had received, or are currently receiving dewatering discharge. Sites receiving dewatering discharge generally reported higher concentrations of salts, nutrients and some metals in both water and sediments compared to natural lakes. Species richness of biota such as diatoms and invertebrates was lower at the lakes receiving dewatering discharge. However, the impact was generally localized within the pooled area of dewatering discharge. Also, despite these impacts, there appears to be signs of amelioration by flushing events. Currently there are no guidelines for water and sediment chemistry for inland salt lakes in Western Australia. Australian and New Zealand Environment and Conservation Council (ANZECC) guidelines are the most relevant available. Concentrations of cadmium, cobalt, chromium, copper, lead, nickel and zinc in surface water of the natural inland salt lakes were shown to exceed ANZECC guideline values.<br>Comparison with the relevant ANZECC sediment guidelines showed that they were applicable to the salt lakes, with the exception of nickel and chromium which were naturally high in the salt lake sediments. Classification of data using multivariate analysis was done for both dry and wet phases of the hydroperiod. Six groups were delineated for the sediment and diatom data, and four groups were defined for the water quality and invertebrate data. It was common for sites from particular lakes to fall in more than one group as a result of the variability in these systems. There are a number of practical applications of this system for the mining industry and it may be used as a predictive tool for determining the impact of dewatering discharge and highlighting unique salt lakes within the Goldfields of Western Australia.

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9

Horn, Christopher D. "Investigation of the effects of thermal enrichment and acid mine drainage on sensitive aquatic biota in the Stony River, Grant County, WV." Morgantown, W. Va. : [West Virginia University Libraries], 2005. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3948.

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Thesis (M.S.)--West Virginia University, 2005.<br>Title from document title page. Document formatted into pages; contains vii, 101 p. : ill. (some col.), maps (part col.). Vita. Includes abstract. Includes bibliographical references.

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Küfner, Wolfgang [Verfasser], Jürgen [Akademischer Betreuer] Geist, Jürgen [Gutachter] Geist, Tanja [Gutachter] Gschlößl, and Reinhard [Gutachter] Pienitz. "Response of diatoms to climate change in mountain lakes in the Northern calcareous Alps with indications for the future development of the lake biota / Wolfgang Küfner ; Gutachter: Jürgen Geist, Tanja Gschlößl, Reinhard Pienitz ; Betreuer: Jürgen Geist." München : Universitätsbibliothek der TU München, 2021. http://d-nb.info/1234656175/34.

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Books on the topic "Biota of lakes"

1

Commission, International Joint. Literature review of the effects of persistent toxic substances on Great Lakes biota: Report of the Health of Aquatic Communities Task Force. International Joint Commission, 1986.

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Patterns and factors of biota distribution in remote European mountain lakes. Schweizerbart, 2009.

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Oceans, Canada Department of Fisheries and. Acidification of surface waters in eastern Canada and its relationship to aquatic biota. Department of Fisheries and Oceans, 1987.

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Stephenson, Malcolm. Carbon-14 activity in the water, sediments and biota of lakes 226 North, 226 South and 224, experimental lakes area, 1989 to 1994. AECL, Whiteshell Laboratories, 1994.

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Fitchko, Yaroslaw. Literature review of the effects of persistent toxic substances on Great Lakes biota: Report of the Health of Aquatic Communities Task Force. International Joint Commission, Great Lakes Regional Office, 1986.

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International Joint Commission. Great Lakes Science Advisory Board. Literature Review of the Effects of Persistent Toxic Substances on Great Lakes Biota: Report of the Health of Aquatic Communities Task Force. s.n, 1986.

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Thodal, Carl E. Field screening of water quality, bottom sediment, and biota associated with irrigation in and near the Indian Lakes area, Stillwater Wildlife Management area, Churchill County, West-Central Nevada, 1995. U.S. Dept. of the Interior, U.S. Geological Survey, 1998.

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Setmire, James G. Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Salton Sea area, California, 1986-87. Dept. of the Interior, U.S. Geological Survey, 1990.

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Schroeder, Roy A. Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Tulare Lake bed area, southern San Joaquin Valley, California, 1986-87. Dept. of the Interior, U.S. Geological Survey, 1988.

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M, Kelso J. R., ed. Acidification of surface waters in eastern Canada and its relationship to aquatic biota. Dept. of Fisheries and Oceans, 1986.

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Book chapters on the topic "Biota of lakes"

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Comín, F. A., and M. Alonso. "Spanish salt lakes: Their chemistry and biota." In Saline Lakes. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3095-7_18.

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Stokes, P. M., E. T. Howell, and G. Krantzberg. "Effects of Acidic Precipitation on the Biota of Freshwater Lakes." In Acidic Precipitation. Springer New York, 1989. http://dx.doi.org/10.1007/978-1-4613-8899-9_8.

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Leach, J. H. "Biota of Lake St. Clair: habitat evaluation and environmental assessment." In Environmental Assessment and Habitat Evaluation of the Upper Great Lakes Connecting Channels. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3144-5_11.

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Kauss, P. B. "Biota of the St. Marys River: habitat evaluation and environmental assessment." In Environmental Assessment and Habitat Evaluation of the Upper Great Lakes Connecting Channels. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3144-5_1.

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Yan, Norman D., W. Keller, and John M. Gunn. "Liming of Sudbury Lakes: Lessons for Recovery of Aquatic Biota from Acidification." In Restoration and Recovery of an Industrial Region. Springer New York, 1995. http://dx.doi.org/10.1007/978-1-4612-2520-1_15.

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Galil, Bella S. "A Sea, a Canal, a Disaster: The Suez Canal and the Transformation of the Mediterranean Biota." In Palgrave Studies in Maritime Politics and Security. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-15670-0_10.

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AbstractThe introduction of non-native species is among the main direct drivers of biodiversity change. Off the Israeli coast 445 non-native species were recorded thus far, more than anywhere in the Mediterranean Sea. The number of recorded introductions has been rising inexorably, tripling since the 1970s. Nearly all have been introduced through the ever-enlarged Suez Canal. Worldwide there is no other vector of marine bioinvasions that delivers as high a propagule supply for so long to a certain locale. Once established, the non-native species are unlikely to be contained or controlled and their impacts are irreversible. The Canal-introduced species form prominent micro-communities and biological facies in most littoral habitats, some have been documented to displace or reduce populations of native species, alter community structure and food webs, change ecosystem functioning and the consequent provision of goods and services—profound ecological impacts that undermine the goals of sustainable blue economy in the Mediterranean Sea.These species have been spreading throughout the Mediterranean Sea while the Israeli shelf serves as a hotspot, beachhead, and dispersal hub. Their spatial and temporal spread has advanced concurrently with successive enlargements of the Suez Canal, rise in mean seawater temperature, and prevalence, duration, and severity of marine heat waves increase. The invasion poses a challenge to the environmental ethics and policies of the Mediterranean countries. As signatories to the Convention on Biological Diversity these countries are required to prevent the introduction of, control or eradicate alien species which threaten ecosystems, habitats or species (Article 8(h)), and ensure that the environmental consequences of their policies that are likely to have significant adverse effects on biological diversity are taken into account (Article 14.1). The present Egyptian government is in a position to reduce future introductions. Egypt announced the development of 35 desalination plants, of which the first 17 plants will add 2.8 million m3 daily capacity. It is suggested that an environmental impact assessment evaluates the environmental and economic consequences of utilizing the brine effluents from the large-scale desalination plants constructed in the vicinity of the Suez Canal to restore the salinity barrier once posed by the Bitter Lakes.

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Fölster, Jens, Cecilia Andrén, Kevin Bishop, et al. "A Novel Environmental Quality Criterion for Acidification in Swedish Lakes—An Application of Studies on the Relationship Between Biota and Water Chemistry." In Acid Rain - Deposition to Recovery. Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-5885-1_37.

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Takahashi, Keiichi. "Geological History and Transition of the Biota of Lake Biwa." In Lake Biwa: Interactions between Nature and People. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-16969-5_1.

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Takahashi, Keiichi. "Geological History and Transition of the Biota of Lake Biwa." In Lake Biwa: Interactions between Nature and People. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1783-1_1.

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Grabowski, Michał, Aleksandra Jabłońska, Anna Wysocka, and Vladimir Pešić. "The Obscure History of the Lake Skadar and Its Biota: A Perspective for Future Research." In The Skadar/Shkodra Lake Environment. Springer International Publishing, 2018. http://dx.doi.org/10.1007/698_2018_349.

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Conference papers on the topic "Biota of lakes"

1

Scaeteanu, Gina. "ASSESSMENT OF WATER QUALITY PARAMETERS IN RELATION WITH DEPLETION OF AQUATIC BIOTA IN SNAGOV LAKE, ROMANIA." In 18th International Multidisciplinary Scientific GeoConference SGEM2018. STEF92 Technology, 2018. http://dx.doi.org/10.5593/sgem2018v/1.5/s02.026.

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Scaeteanu, Gina. "ASSESSMENT OF WATER QUALITY PARAMETERS IN RELATION WITH DEPLETION OF AQUATIC BIOTA IN SNAGOV LAKE, ROMANIA." In 18th International Multidisciplinary Scientific GeoConference SGEM2018. STEF92 Technology, 2018. http://dx.doi.org/10.5593//sgem2018v/1.5/s02.026.

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Lapenkov, Artem, Artem Lapenkov, Yury Zuyev, Yury Zuyev, Nadezhda Zuyeva, and Nadezhda Zuyeva. "THE LANDSCAPE INVESTIGATIONS AS NECESSARY PART OF BIOLOGICAL STUDY IN THE COASTAL ZONE TO THE QUESTION OF THE IMPACT OF CLIMATE CHANGE ON THE ECOLOGICAL STATE OF ARTIFICAL." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b939cbeded6.60774188.

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Coastal zones have great diversity of resources. The shallow water zones contain the most of plant and benthic communities. A description of relief and type of ground is needed for the rigorous monitoring of biota and environmental condition of coastal zone. Generally, on the basis of these data the investigation methods of the coastal zone are selected. The shallows research strategy has been developed by us for northern part of the Lake Ladoga. If the coastal areas are characterized by great depth and flat topography, then sonar’s can be used to describe them and samples of ground can be taken by bottom grabs. In the Lake Ladoga these methods don’t operate correctly by reason of the compound bottom relief and the fact that a sizeable part of the bottom is occupied by hard ground. Therefore, our investigations base on the diving transect method of Golikov and Skarlato (1965). A diver moves along transects. He registers the depth, length to coastline, water temperature, relief and ground, edificators and records video. In the laboratory all these data are decoded and used for mapping of bays. Studies of plant communities have been performed and strategy for research of benthic communities in complex relief and hard ground conditions has been developed based on the descriptions of shallow waters. Description of the Malay Nikonovskia Bay bottom has given an opportunity to estimate changes in the bottom of the bay under the influence of the trout farm.

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Lapenkov, Artem, Artem Lapenkov, Yury Zuyev, Yury Zuyev, Nadezhda Zuyeva, and Nadezhda Zuyeva. "THE LANDSCAPE INVESTIGATIONS AS NECESSARY PART OF BIOLOGICAL STUDY IN THE COASTAL ZONE TO THE QUESTION OF THE IMPACT OF CLIMATE CHANGE ON THE ECOLOGICAL STATE OF ARTIFICAL." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4315b3c772.

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Coastal zones have great diversity of resources. The shallow water zones contain the most of plant and benthic communities. A description of relief and type of ground is needed for the rigorous monitoring of biota and environmental condition of coastal zone. Generally, on the basis of these data the investigation methods of the coastal zone are selected. The shallows research strategy has been developed by us for northern part of the Lake Ladoga. If the coastal areas are characterized by great depth and flat topography, then sonar’s can be used to describe them and samples of ground can be taken by bottom grabs. In the Lake Ladoga these methods don’t operate correctly by reason of the compound bottom relief and the fact that a sizeable part of the bottom is occupied by hard ground. Therefore, our investigations base on the diving transect method of Golikov and Skarlato (1965). A diver moves along transects. He registers the depth, length to coastline, water temperature, relief and ground, edificators and records video. In the laboratory all these data are decoded and used for mapping of bays. Studies of plant communities have been performed and strategy for research of benthic communities in complex relief and hard ground conditions has been developed based on the descriptions of shallow waters. Description of the Malay Nikonovskia Bay bottom has given an opportunity to estimate changes in the bottom of the bay under the influence of the trout farm.

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Emdas, Rabea, and Ahmed Alruwaili. "What are the Aspects of Adopting Computer-Based Exams and do they Impact Negatively on Students?" In 2nd International Conference on Blockchain and Internet of Things (BIoT 2021). AIRCC Publishing Corporation, 2021. http://dx.doi.org/10.5121/csit.2021.110808.

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Computer-based exams (CBEs) have been used in various courses, such as schools, universities and other training centres. As there are many educational institutions which have chosen to convert from paper test system to computer- based exam. However, adopting computer tests may lead to some difficulties for the students, which relates to technical defects and lake of computer skills of some students when they applying the computer based exams. The purpose of the essay was to determine negative and positive effects on the students of using computer-based exams and focus on some of suggesting solutions to the negative effects, such the exams to make continuous use of computer- based possible. In the first section the computer test, which could cause negative effects on students due to various levels of skills to use computer and some technical problems was examined. The design of the computer examination system requires careful planning and study from several aspects before becoming officially accepted, the computer-based exams still have a few problems which may lead to difficulties in using computer exams. Then the many benefits which could be gained by using computer-based exams, such as the student will be more independent with computer test were described. In addition, the students have accessible to the exams through the internet network. Finally, the effectiveness of certain strategy to solve the negative effects of computer-based exams were argued. developing the solutions of the technical problems are required for computer test, where improving the input methods questions and corrections. It was concluded that the computer exam, with adjustments, is more suitable for students.

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Linder, Greg, and Edward E. Little. "Competing Risks and the Development of Adaptive Management Plans for Water Resources: Field Reconnaissance Investigation of Risks to Fishes and Other Aquatic Biota Exposed to Endocrine Disrupting Chemicals (EDCs) in Lake Mead, Nevada, USA." In World Environmental and Water Resources Congress 2009. American Society of Civil Engineers, 2009. http://dx.doi.org/10.1061/41036(342)567.

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Reports on the topic "Biota of lakes"

1

Plouffe, A. Surficial geology, Binta Lake, British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1998. http://dx.doi.org/10.4095/210080.

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Plouffe, A., and D. J. Mate. Surficial geology, Binta Lake, British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2001. http://dx.doi.org/10.4095/212600.

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Griffith, Janelle R., and Amy C. McDowell. Measurement of Lake Roosevelt Biota in Relation to Reservoir Operations : Appendices 1992. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/352908.

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Griffith, Janelle R., Amy C. McDowell, and Allan T. Scholz. Measurement of Lake Roosevelt Biota in Relation to Reservoir Operations; 1991 Annual Report. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/119924.

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Griffith, Janelle R., and Amy C. McDowell. Measurement of Lake Roosevelt Biota in Relation to Reservoir Operations; 1992 Annual Report. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/224253.

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Voeller, Amy C. Measurement of Lake Roosevelt Biota in Relation to Reservoir Operations : Final Report 1993. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/666197.

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Griffith, Janelle R., Amy C. McDowell, and Allan T. Scholz. Measurement of Lake Roosevelt Biota in Relation to Reservoir Operations Appendices; 1991 Annual Report. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/119925.

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Field screening of water quality, bottom sediment, and biota associated with irrigation in and near the Indian Lakes Area, Stillwater Wildlife Management Area, Churchill County, west-central Nevada, 1995. US Geological Survey, 1998. http://dx.doi.org/10.3133/wri974250.

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Trace elements and synthetic organic compounds in biota and streambed sediment of the Western Lake Michigan Drainages, 1992-1995. US Geological Survey, 1997. http://dx.doi.org/10.3133/wri974192.

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Detailed study of selenium in glacial-lake deposits, wetlands, and biota associated with irrigation drainage in the southern Freezeout Lake area, west-central Montana, 1994-95. US Geological Survey, 1999. http://dx.doi.org/10.3133/wri994019.

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