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Littérature scientifique sur le sujet « Fish Lake Region »

Auteur : Grafiati
Publié le 4 juin 2021
Mis à jour le 15 février 2022

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Articles de revues sur le sujet "Fish Lake Region"

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Matveev, A. N., V. P. Samusenok, A. L. Yuriev, A. I. Vokin, I. V. Samusenok, and S. S. Alekseyev. "Biology of Fishes of Lake Frolikha (Northern Baikal Region, East Siberia)." Bulletin of Irkutsk State University. Series Biology. Ecology 32 (2020): 50–82. http://dx.doi.org/10.26516/2073-3372.2020.32.50.

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The fish fauna of Lake Frolikha comprises 12 species confirmed by our recent studies: roach Rutilus rutilus (L.), minnow Phoxinus phonixus (L.), stone loach Barbatula toni (Dyb.), spine loach Cobitis melanoleuca Nichols, pike Esox lucius L. lenok Brachymystax lenok (Pallas), Arctic charr Salvelinus alpinus (L.), Baikal black grayling Thymallus baicalensis (Dyb.), burbot Lota lota (L.), sand sculpin Leocottus kesslerii (Dyb.), stone sculpin Paracottus knerii (Dyb.) and perch Perca fluviatilis L. Biological peculiarities of these fishes are determined by unique geographical position and limnic c
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Tropin, N. Yu, M. Ya Borisov, E. V. Ugryumova, A. S. Komarova, and E. S. Ivanova. "MERCURY CONTENT IN MUSCLE TISSUE OF PERCH (PERCA FLUVIATILIS (L.)) IN LARGE RESERVOIRS OF THE VOLOGDA REGION." Toxicological Review, no. 2 (April 28, 2019): 53–58. http://dx.doi.org/10.36946/0869-7922-2019-2-53-58.

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The article presents data on the mercury content in the muscles of perch Perca fluviatilis (L.) in four large reservoirs of the Vologda region (Kubenskoe and Vozhe lakes, river and lake (Lake Beloe) parts of the Sheksna reservoir) collected during the period 2007–2018. The metal concentration varied widely: from 0,01 mg/kg for perch from Lake Vozhe to 1,51 mg/kg for perch from Lake Kubenskoe. The highest percentage of fish with mercury content exceeding the established SanPiN 2.3.2.1078-01 norms (29,4%) was recorded in perch from Lake Kubenskoe, while the smallest – in fish from Lake Vozhe (5,
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Jiang, Jianhua, Jerry Vandenberg, Ian Halket, Kasey Clipperton, Richard J. Kavanagh, and Joanne Hogg. "Modeling water quality in an oil sands compensation lake." Canadian Journal of Civil Engineering 42, no. 11 (2015): 901–9. http://dx.doi.org/10.1139/cjce-2014-0292.

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Surface mining in the oil sands region of Alberta, Canada, often requires that mining operators drain lakes or divert streams to access the underlying ore. “Compensation lakes” can be constructed to create new fish habitat to offset the loss of fish habitat due to mining activity and to satisfy conditions under a project’s Fisheries Act Authorization. The design of these lakes requires prediction of future water temperature and dissolved oxygen levels to determine the suitability of the new habitat for fish. These predictions are made using a calibrated hydrodynamic and water quality model. Un
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Reckhow, Kenneth H., Robert W. Black, Thomas B. Stockton Jr., J. David Vogt, and Judith G. Wood. "Empirical Models of Fish Response to Lake Acidification." Canadian Journal of Fisheries and Aquatic Sciences 44, no. 8 (1987): 1432–42. http://dx.doi.org/10.1139/f87-172.

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A large historical data set from the Adirondack region of New York was compiled to study the relationship between water chemistry variables associated with acid precipitation and the presence/absence of selected fish species. The data set was used to examine simple statistical models for fish presence/absence, as a function of the water chemistry variables, for brook trout (Salvelinus fontinalis), lake trout (Salvelinus namaycush), white sucker (Catostomus commersoni), and yellow perch (Perca flavescens). Of these models, only those for brook trout and lake trout were found to be acceptable ba
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Bulavina, Nailya Baimuratovna, Tynysbek Temirkhanovich Barakbaev, Galymzhan Zholdasbekovich Iskhakhov, and Alyona Aleksandrovna Mukhramova. "PRACTISE OF ORGANIZING LAKE COMMERCIAL FISH FARMS IN CONDITIONS OF LAKE OZGENT." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2021, no. 2 (2021): 90–96. http://dx.doi.org/10.24143/2073-5529-2021-2-90-96.

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The article presents the results of the researches conducted on Lake Ozgent (the Kyzylorda region). The data on hydrochemical regime of the lake, ionic composition, composition of biogenous compounds, oxygen and thermal regimes were collected and analysed. There has been done the assessment of food supply and current state of the ichthyofauna. According to the obtained data, the recommendations about using Lake Ozgent were made, the recommended meliorative events (meliorative fishing, repair of hydroconstructions) were held and stocking the fishing material of carp was carried out. Based on th
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Johnston, Thomas A., R. A. Bodaly, and J. A. Mathias. "Predicting Fish Mercury Levels from Physical Characteristics of Boreal Reservoirs." Canadian Journal of Fisheries and Aquatic Sciences 48, no. 8 (1991): 1468–75. http://dx.doi.org/10.1139/f91-174.

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Reservoir formation has often resulted in increased fish mercury levels. Predicting the potential for increase prior to impoundment would be useful in future environmental impact assessment.. We developed several linear models relating mercury burdens of northern pike (Esox lucius), walleye (Stizostedion vitreum), and lake whitefish (Coregonus clupeaformis) to physical characteristics of 21 lakes and reservoirs in the Churchill River diversion region of northern Manitoba. Ratios of flooded terrestrial area to water volume of the reservoir itself (within-lake effects) and of inflowing waters (u
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Kingston, J. C., H. J. B. Birks, A. J. Uutala, B. F. Cumming, and J. P. Smol. "Assessing Trends in Fishery Resources and Lake Water Aluminum from Paleolimnological Analyses of Siliceous Algae." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 1 (1992): 116–27. http://dx.doi.org/10.1139/f92-014.

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Lake water aluminum concentrations have a significant influence on the composition of microfossil assemblages of diatoms and chrysophytes deposited in lake sediments. With the paleolimnological approach of multilake datasets in the Adirondack region of New York, USA, we use canonical correspondence analysis to describe past trends in lake water Al. Four lakes, previously investigated regarding acidification and fishery trends, are used to demonstrate that paleolimnological assessment can also provide direction, timing, and magnitude of trends for both toxic metals and fish resources. Additiona
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Samarasin, Pasan, Charles K. Minns, Brian J. Shuter, William M. Tonn, and Michael D. Rennie. "Fish diversity and biomass in northern Canadian lakes: northern lakes are more diverse and have greater biomass than expected based on species–energy theory." Canadian Journal of Fisheries and Aquatic Sciences 72, no. 2 (2015): 226–37. http://dx.doi.org/10.1139/cjfas-2014-0104.

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Biodiversity in northern Canada (north of 60°N latitude) is threatened, primarily by increasing resource exploitation and by climate change. Unfortunately, we have relatively limited knowledge of aquatic biodiversity for this region, making it difficult to develop suitable policies to manage these threats. Here we describe, quantify, and test hypotheses related to fish biodiversity and biomass in 37 lakes in a diamond mining district (the Barrenlands) in the Northwest Territories, Canada (64°N, 110°W). To estimate species richness and biomass of fish, we took advantage of exhaustive sampling a
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Vargot, E. V., O. G. Grishutkin, and O. N. Artaev. "RESULTS OF INVESTIGATIONS OF WETLANDS KRYACHEK LAKE AND NEIGHBORHOOD (ULYANOVSK REGION)." Samara Journal of Science 4, no. 2 (2015): 41–45. http://dx.doi.org/10.17816/snv20152111.

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Paper presents materials of comprehensive research (physical-geographical characteristics, plant cover, ichtyofauna) of Kryachek (Kryazh) Lake and of three worked-out bogs (Stanovoe, Lebyazhye and unnamed in 2 km to east of the Lyakhovka village) located near this lake. At present, all investigated water bodies are lakes with a more or less developed sphagnum-sedge, serge-calamagrostis-sphagnum quaking mires. Physiographic characteristics (surface of bottom for Kryachek Lake, pH of water, depth of lakes), plant cover and ichthyofauna of lakes were studied during researches. It was revealed tha
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Herjayanto, Muh, Abdul Gani, Yeldi S. Adel, and Novian Suhendra. "FREHSWATER FISH OF LAKES AND IT’S INLET RIVERS IN SULAWESI TENGAH PROVINCE, INDONESIA." Journal of Aquatropica Asia 4, no. 1 (2020): 1–9. http://dx.doi.org/10.33019/aquatropica.v4i1.1679.

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Sulawesi Tengah Province (Sulteng) is in the Wallacea region wich have endemic fish. In addition, the government has also introduced fish for the welfare of community. So far the records of freshwater fish in Sulteng have not been well summarized. Therefore, we explore the results of previous studies fish species in 11 lakes and their inlet rivers in Sulteng. The lake (L) is L. Bolano (Bolanosau), L. Lindu, L. Poso, L. Rano, L. Rano Kodi and L. Rano Bae, L. Sibili, L. Talaga (Dampelas), L. Kalimpa’a (Tambing), L. Tiu and L. Wanga. In addition, we also observed fish in seven lakes between 2012-
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Thèses sur le sujet "Fish Lake Region"

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Engelken, Johannes. "Phylogeography of Haplochromine Fish in the Lake Victoria Region." [S.l. : s.n.], 2002. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB11103951.

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Harvey, Joel. "Environmental factors affecting Methylmercury in fish of the Laurentian Great Lakes region." Wright State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=wright1421076009.

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Marshall, Carina Rynn Ecremen. "Evolutionary genetics of barramundi (Lates calcarifer) in the Australian region." Marshall, Carina Rynn Ecremen (2005) Evolutionary genetics of barramundi (Lates calcarifer) in the Australian region. PhD thesis, Murdoch University, 2005. http://researchrepository.murdoch.edu.au/181/.

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Barramundi (Lates calcarifer) is a centropomid teleost with a wide distribution across the Indo Pacific. In Australia, barramundi are native to the tropical zone from Exmouth Gulf in Western Australia, across the northern part of the continent, to the Mary River in Queensland. Barramundi are protandrous hermaphrodites, and are euryhaline, with a catadromous life history. Barramundi are a valuable Australian resource, with important commercial and recreational fisheries and aquaculture production to the value of $11 million dollars per year. Recent declines in the availability of the fish in so
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Huey, Joel Anthony, and na. "The Effects of Species Biology, Riverine Architecture and Flow Regime upon Patterns of Genetic Diversity and Gene Flow in Three Species of Northern Australian Freshwater Fish." Griffith University. School of Environment, 2008. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20100625.135012.

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Understanding patterns of dispersal, the movement of individuals or propagules, among populations of riverine species is imperative to their management and conservation. However, directly estimating dispersal can often be difficult. Therefore, estimates of gene flow, the movement of genes, are often used to infer dispersal among natural populations. In riverine species, gene flow is determined by species biology, riverine architecture and flow regime. While many studies investigate the role of species dispersive strategies by comparing patterns of genetic structure in different species across
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Weech, Shari Ann. "Mercury in fish and fish-eating birds, with special reference to the Pinchi Lake region of British Columbia, Canada." Thesis, 2003. http://hdl.handle.net/2429/14771.

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Previous studies have shown that fish-eating wildlife risk elevated methylmercury (meHg) exposure in environments where Hg concentrations, chemical speciation, and/or water chemistry favor Hg methylation and accumulation in fish. Prior to this study, however, it was not known whether Hg from a natural geologic source or contamination resulting from Hg-mining activities would bioaccumulate through the aquatic food chain to concentrations critical to fish-eating bird survival and reproduction. To investigate this, fish and fish-eating birds from five lakes in close proximity to the Pinchi
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Beaton, Andrew. "Testing and Refining a Unique Approach for Setting Environmental Flow and Water Level Targets for a Southern Ontario Subwatershed." Thesis, 2012. http://hdl.handle.net/10214/3850.

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In this study Bradford’s (2008) approach for setting ecological flow and water level targets is tested and refined through application within the Lake Simcoe Region Conservation Authority’s (LSRCA) subwatershed of Lover’s Creek. A method for defining subwatershed objectives and identifying habitat specialists through expert input is proposed and tested. The natural regime of each streamflow and wetland site is characterized along with the hydrological alteration at each site. Potential ecological responses to the hydrologic alterations are then hypothesized for the different types of change
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Livres sur le sujet "Fish Lake Region"

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Taube, Thomas Theodore. Lake trout studies in the AYK region, 1996. Alaska Dept. of Fish and Game, Division of Sport Fish, Research and Technical Services, 1997.

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Taube, Thomas Theodore. Lake trout studies in the AYK region, 1995. Alaska Dept. of Fish and Game, Division of Sport Fish, Research and Technical Services, 1996.

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Taube, Thomas Theodore. Lake trout studies in the AYK region, 1997. Alaska Dept. of Fish and Game, Division of Sport Fish, Research and Technical Services, 1998.

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Burr, John M. Lake trout studies in the AYK region, and burbot index of abundance in Galbraith Lake, 1994. Alaska Dept. of Fish and Game, Division of Sport Fish, Research and Technical Services, 1995.

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Tagarino, R. N. In-situ technology assessment study: Fish cage culture in Lake Buhi, Bicol region, Philippines. Center for Policy & Development Studies, University of the Philippines at Los Baños, 1991.

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Canada. Dept. of Fisheries and Oceans. The effect of environmental variables on the population dynamics of sea lamprey, Petromyzon marinus. Great Lakes Laboratory for Fisheries and Aquatic Sciences, 1990.

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Gloss, Steven. Liming and fisheries management guidelines for acidified lakes in the Adirondack region. The Service, 1989.

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Burton, Derek, and Margaret Burton. Metabolism, homeostasis and growth. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198785552.003.0007.

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Metabolism consists of the sum of anabolism (construction) and catabolism (destruction) with the release of energy, and achieving a fairly constant internal environment (homeostasis). The aquatic external environment favours differences from mammalian pathways of excretion and requires osmoregulatory adjustments for fresh water and seawater though some taxa, notably marine elasmobranchs, avoid osmoregulatory problems by retaining osmotically active substances such as urea, and molecules protecting tissues from urea damage. Ion regulation may occur through chloride cells of the gills. Most fish
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Linsenman, Bob. Best Streams for Great Lakes Steelhead: A Complete Guide to the Fish, the Tactics, and the Places to Catch Them. Countryman, 2005.

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The Canadian guide-book: The tourist's and sportsman's guide to eastern Canada and Newfoundland : including full descriptions of routes, cities, points of interest, summer resorts, fishing places, etc. in eastern Ontario, the Muskoka district, the St. Lawrence region, the Lake St. John country, the Maritime provinces, Prince Edward Island, and Newfoundland : with an appendix giving fish and game laws, and offical lists of trout and salmon rivers and their lessees. D. Appleton, 1986.

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Chapitres de livres sur le sujet "Fish Lake Region"

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Ipinmoroti, Mabel O., Adams O. Iyiola, Olumuyiwa A. Akanmu, Olugbenga Orisasona, and Niyi Fawole. "Diversity and Distribution of Fish Species in Lake Asejire, South West Nigeria." In Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-70548-4_422.

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Langston, Nancy. "The Mysteries of Toxaphene and Toxic Fish." In Sustaining Lake Superior. Yale University Press, 2017. http://dx.doi.org/10.12987/yale/9780300212983.003.0007.

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Toxaphene offers a case study on the history of toxic contamination in Lake Superior fish. How did chemicals such as toxaphene make their way into fish in the postwar era? How did governments and communities around the Great Lakes struggle to comprehend and then control these toxics? This chapter explores the intersection of human culture with the pollutants that have made their way into water bodies — and the bodies of fish and the people who eat those fish — everywhere. Fish is a healthy source of protein that we’re encouraged to eat, and eating fish is also of great cultural significance to people, particularly tribal communities, throughout the Great Lakes region. But the potential toxicity of fish today forces people to make difficult trade-offs: How much fish do you eat when it’s culturally important? How much do you eat when you’re pregnant?
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"Fish Habitat: Essential Fish Habitat and Rehabilitation." In Fish Habitat: Essential Fish Habitat and Rehabilitation, edited by Charles K. Minns, Susan E. Doka, Carolyn N. Bakelaar, Peter C. E. Brunette, and William M. Schertzer. American Fisheries Society, 1999. http://dx.doi.org/10.47886/9781888569124.ch27.

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<em>Abstract.—</em> The quality and quantity of habitats determine ecosystem productivity. Hence, they determine the potential fish productivity that sustains the fish harvests extractable from freshwaters and seas. Efforts to conserve and protect fish habitats are frustrated by key unanswered questions: which habitat types and how much must be protected to ensure natural self-sustaining fish stocks? Minns and Bakelaar presented a prototype method for assessing suitable habitat supply for fish stocks in Lake Erie, an analysis that can be used to address conservation issues. Here, the method is refined and extended, taking the assessment of habitat supply for pike <em>Esox lucius </em> in the Long Point region of Lake Erie as a case study. As with the previous study, much emphasis is placed on “learning by doing.” Because available inventories of habitat features are coarse and incomplete, improved guidelines for estimating habitat supply are expected from these prototype studies. The habitat supply method previously presented by Minns and Bakelaar is elaborated in three ways here: (1) the basic physical habitat assessment is derived from a remote-sensing inventory database; (2) methods of quantifying the thermal regime and integrating it with other habitat elements are examined; (3) habitat supply estimates are used in a pike population model, and pike biomass and production are simulated for the Long Point region of Lake Erie and then compared with available records. The roles of error and uncertainty are examined for all elements in the estimation and application of suitable habitat supply values. There is potential for supply measurement and analysis to guide fish habitat management.
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"Fish Habitat: Essential Fish Habitat and Rehabilitation." In Fish Habitat: Essential Fish Habitat and Rehabilitation, edited by Charles K. Minns, Susan E. Doka, Carolyn N. Bakelaar, Peter C. E. Brunette, and William M. Schertzer. American Fisheries Society, 1999. http://dx.doi.org/10.47886/9781888569124.ch27.

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<em>Abstract.—</em> The quality and quantity of habitats determine ecosystem productivity. Hence, they determine the potential fish productivity that sustains the fish harvests extractable from freshwaters and seas. Efforts to conserve and protect fish habitats are frustrated by key unanswered questions: which habitat types and how much must be protected to ensure natural self-sustaining fish stocks? Minns and Bakelaar presented a prototype method for assessing suitable habitat supply for fish stocks in Lake Erie, an analysis that can be used to address conservation issues. Here, the method is refined and extended, taking the assessment of habitat supply for pike <em>Esox lucius </em> in the Long Point region of Lake Erie as a case study. As with the previous study, much emphasis is placed on “learning by doing.” Because available inventories of habitat features are coarse and incomplete, improved guidelines for estimating habitat supply are expected from these prototype studies. The habitat supply method previously presented by Minns and Bakelaar is elaborated in three ways here: (1) the basic physical habitat assessment is derived from a remote-sensing inventory database; (2) methods of quantifying the thermal regime and integrating it with other habitat elements are examined; (3) habitat supply estimates are used in a pike population model, and pike biomass and production are simulated for the Long Point region of Lake Erie and then compared with available records. The roles of error and uncertainty are examined for all elements in the estimation and application of suitable habitat supply values. There is potential for supply measurement and analysis to guide fish habitat management.
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"Balancing Fisheries Management and Water Uses for Impounded River Systems." In Balancing Fisheries Management and Water Uses for Impounded River Systems, edited by Benjamin R. Ricks and Michael J. Maceina. American Fisheries Society, 2008. http://dx.doi.org/10.47886/9781934874066.ch20.

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<em>Abstract</em>.—In Lake Martin (16,000 ha), Alabama, black bass <em>Micropterus </em>spp. tournaments occur nearly every weekend at a single site (Wind Creek State Park [WCSP]), which could cause fish to accumulate at this release site and potentially cause negative impacts to the population. Over a 7-month period, nearly 6,600 tour-nament-caught largemouth bass <em>M. salmoides </em>and spotted bass <em>M. punctulatus </em>were injected with a coded wire tag at different body locations before release at WCSP. After release, black bass were collected with electrofishing up to 1.5 years following release at 0–10 km from the release site and scanned for a tag. Although variable, a substantial proportion (10–70%) of tournament-caught black bass comprised the black bass population within 3 km of WCSP up to 3 months after release. After 3 months, proportions of tagged black bass within 10 km of WCSP decreased dramatically and by an order of magnitude after 1 year, which strongly suggested that these fish dispersed from WCSP. Over a 2- to 70-d period after release from a tournament, relative weights of tournament-released black bass were typically less than fish not released in tournaments. In addition, we collected and aged black bass throughout Lake Martin; relative weights of both black bass species were less and spotted bass growth was lower within 10 km of WCSP compared to other regions of Lake Martin. Even though black bass dispersed from the WCSP release site, these negative population effects were attributed to the constant translocation and accumulation of tournament-caught fish in this region of Lake Martin. In water bodies such as Lake Martin where mass translocation of black bass occurs annually at a single site, the use of live-release boats to transport tournament-caught black bass and the promotion and use of alternative release sites should be encouraged to reduce possible localized negative population effects.
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"From Catastrophe to Recovery: Stories of Fishery Management Success." In From Catastrophe to Recovery: Stories of Fishery Management Success, edited by Clifford Kraft. American Fisheries Society, 2019. http://dx.doi.org/10.47886/9781934874554.ch12.

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<i>Abstract</i>.—Recovery of Brook Trout <i>Salvelinus fontinalis</i> in an Adirondack (New York, USA) lake that was subject to anthropogenic acidification provides a remarkable example of fishery improvement in response to environmental regulation. Studies initiated in the 1950s following a steady decline in Brook Trout populations helped document this recovery. Unsuccessful efforts to maintain a fishery in Honnedaga Lake with hatchery-reared fish in the 1950s forced managers to look beyond stocking, the primary approach employed until that time. As a result, fishery scientists collaborated in the 1960s and 1970s with researchers from other disciplines, providing a broad understanding of atmospheric inputs, watershed processes, and chemical interactions influencing lakes and streams. Extensive studies in the 1980s confirmed the connection between Brook Trout mortality and airborne emissions of strong acid nitrogen and sulfur compounds that released toxic inorganic aluminum from increasingly acidic soils. Political debates in that decade focused on federal regulatory efforts to reduce these emissions, which culminated in passage of the Clean Air Act Amendments of 1990. Within the next decade, Brook Trout that took refuge within a few well-buffered, groundwater-fed tributaries began to recolonize Honnedaga Lake as conditions improved in the main lake due to reduced atmospheric deposition of sulfur dioxide and nitrogen oxides. Since then, management of Honnedaga Lake in the 21st century relied upon natural reproduction by wild Brook Trout. Ultimately, social and political decisions made far away from the Adirondack Mountain region developed regulations that fostered recovery of the Honnedaga Lake fishery by restoring necessary water-chemistry conditions. The recovery of Honnedaga Lake highlights three lessons. First, environment and habitat conditions must be suitable before fishery management actions can be effective. This criterion requires a broad understanding of environmental conditions that sustain fisheries, incorporating insights from atmospheric sciences, geology, and limnology. Second, natural reproduction of Brook Trout in Honnedaga Lake successfully increased population abundance without the additional intervention of stocking hatchery-reared fish. Finally, successful management of Honnedaga Lake required political support and regulatory action from beyond the Adirondack region, as well as media attention.
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"Landscape Influences on Stream Habitats and Biological Assemblages." In Landscape Influences on Stream Habitats and Biological Assemblages, edited by Bruce W. Kilgour and Les W. Stanfield. American Fisheries Society, 2006. http://dx.doi.org/10.47886/9781888569766.ch30.

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<em>Abstract.</em>—Assessments of stream fish or benthos assemblages normally involve a contrast of conditions at test sites to conditions represented by regional reference sites that are either minimally or least disturbed. Identification of reference sites is difficult and normally involves a variety of subjective criteria. The development of reference models for stream fish and benthos in the Canadian tributaries of Lake Ontario is particularly challenging because there are few undeveloped areas and there is no consensus on criteria for a least-disturbed condition. Rather than identify sites as representing a least-disturbed condition, we developed a series of models that relate the existing biophysical condition of streams (i.e., the fish, benthos, and instream habitat) to landscape (i.e., slope, geology, catchment area) and land use/land cover (percent impervious cover [PIC]). Relationships between indices of biophysical condition and PIC can be used to hindcast or estimate the expected biophysical condition at a variety of land cover scenarios. The models cannot be used to predict conditions outside the calibration data range, but this approach does allow us to make use of a disturbance gradient and make predictions with a minimal number of least-disturbed sites. The difference between the hindcast reference and present day conditions is an estimate of present-day impacts. Results from this exercise provided an estimate of the magnitude of impairment of streams in the Canadian portion of the Lake Ontario region.
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Inogwabini, Bila-Isia. "Congo Basin's Shrinking Watersheds." In Environmental and Agricultural Informatics. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9621-9.ch065.

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Rainfall time series data from three sites (Kinshasa, Luki, and Mabali) in the western Democratic Republic of Congo were analyzed using regression analysis; rainfall intensities decreased in all three sites. The Congo Basin waters will follow the equation y = -20894x + 5483.16; R2 = 0.7945. The model suggests 18%-loss of the Congo Basin water volume and 7%-decrease for fish biomasses by 2025. Financial incomes generated by fishing will decrease by 11% by 2040 compared with 1998 levels. About 51% of women (N= 408,173) from the Lake Tumba Landscape fish; their revenues decreased by 11% between 2005 and 2010. If this trend continues, women's revenues will decrease by 59% by 2040. Decreased waters will severely impact women (e.g. increasing walking distances to clean waters). Increasing populations and decreasing waters will lead to immigrations to this region because water resources will remain available and highly likely ignite social conflicts over aquatic resources.
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Inogwabini, Bila-Isia. "Congo Basin's Shrinking Watersheds." In Reconsidering the Impact of Climate Change on Global Water Supply, Use, and Management. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-1046-8.ch012.

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Rainfall time series data from three sites (Kinshasa, Luki, and Mabali) in the western Democratic Republic of Congo were analyzed using regression analysis; rainfall intensities decreased in all three sites. The Congo Basin waters will follow the equation y = -20894x + 5483.16; R2 = 0.7945. The model suggests 18%-loss of the Congo Basin water volume and 7%-decrease for fish biomasses by 2025. Financial incomes generated by fishing will decrease by 11% by 2040 compared with 1998 levels. About 51% of women (N= 408,173) from the Lake Tumba Landscape fish; their revenues decreased by 11% between 2005 and 2010. If this trend continues, women's revenues will decrease by 59% by 2040. Decreased waters will severely impact women (e.g. increasing walking distances to clean waters). Increasing populations and decreasing waters will lead to immigrations to this region because water resources will remain available and highly likely ignite social conflicts over aquatic resources.
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Mitchell, Peter. "North America III: West of the Rockies." In Horse Nations. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780198703839.003.0011.

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This chapter looks at three more regions of North America: the Columbia Plateau and adjacent areas of the Pacific Northwest Coast; the Great Basin; and California. It also focuses on three main themes: the development of new identities as many groups adapted aspects of the lifestyle and customs of those on the Plains and more coherent tribal entities emerged; raiding for captives; and raiding for horses. A fourth topic, which casts these into relief, is why some groups rejected the horse, or chose to adopt it very late in their history. The Great Basin was the first of the three areas to receive the horse. It is an arid region of desert, salt lakes, and mountains where rainfall is unpredictable and low, but increases eastward (Plate 15). Except for the Colorado along its southern edge and the headwaters in the rockies of streams draining towards the Missouri, none of its rivers reach the sea. Fremont farmers had once made a living across Utah, but by the 1600s cultivation was restricted to a few groups in the south and west. Elsewhere, the Basin’s inhabitants depended entirely on hunting and gathering, though strategies like burning enhanced the productivity of wild plants and game. Very broadly, two subsistence patterns were followed: one emphasized fish and waterfowl around wetlands, the other a more mobile, broadly based foraging economy in deserts and mountains in which pine nuts (piñons), grass seeds, rabbits, and larger game were important. Except for the Washoe near Lake Tahoe in eastern California, all the region’s historic inhabitants spoke Numic languages. Major groups included Utes in the southeast, Shoshones in the north and centre, and Paiutes in the west and southwest. To the north of the Great Basin lies the Plateau, centred on the Columbia River and its tributaries, which collectively send their waters into the Pacific Ocean (Plate 16). Coniferous forest covers its northern and eastern parts (including several ranges running parallel to but west of the Rockies), but the drier, hilly country of Oregon and eastern Washington is more steppe-like, with sagebrush common and trees more localized.
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Actes de conférences sur le sujet "Fish Lake Region"

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Vilmos, Józsa, Jacek Kozłowski, Anna Zróbek-Sokolnik, Krzysztof Kozłowski, and Piotr Dynowski. "Classification of the Oxbow Lakes of the Hármas-Körös River and Determination of Ways for Further Exploiting the Various Water Regions in the Light of the Water Framework Directive." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.057.

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Hármas-Koros river lies between the mouth of the Tisza and the city Békés. In the nineteenth century, the work of regulatory her bed was made, which resulted in 44 oxbow lakes were created, of which 36 still exist till today. In presented work 14 oxbow lakes was selected and the following objectives were carried out: 1. The classification of oxbow lakes based on selected criteria: the manner and intensity of water exchange, sediment thickness, redox potential, usage, ichtiofouna. 2. The assessment of the state of spawning and its impact on ichtiofauna. 3. Determination the best methods of wate
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Lees, Albert, Andrea Jalbert, and M. Traverso. "Assessment of Success Biostabilization Techniques on Selected Watercrossings in Alberta." In 2006 International Pipeline Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ipc2006-10082.

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Since the early 1980’s TransCanada PipeLines Ltd. (TransCanada) has employed a number of stream bank stabilization measures in an effort to minimize the loss of fish habitat and to reduce the risk of long term erosion and sedimentation. Traditional stream crossing stabilization involved the re-contouring of streambanks to a stable slope (generally 2:1) and then lining the banks with rock armour and seeding. TransCanada began using alternate techniques, primarily log-walls in 1981. Since 1981 TransCanada has evolved the use stream bank stabilization techniques to include bio-stabilization techn
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Ram, Bonnie. "An Integrated Risk Framework for Large Scale Deployments of Renewable Energy." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-80228.

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Assessing the potential environmental and human effects of deploying renewable energy along our coasts, on the Outer Continental Shelf, and in the Great Lakes requires a new risk paradigm. Evaluating potential risks requires a consistent program of research over time that collects relevant data by each sectoral area, such as bat and bird collisions, entanglement with mammals and fish, safety within shipping lanes, etc. Data collection alone, however, will not lead to better decisionmaking. Arriving at a broad and integrated risk profile of environmental and human effects is beyond a linear pro
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Rapports d'organisations sur le sujet "Fish Lake Region"

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Hostetler, Steven, Cathy Whitlock, Bryan Shuman, David Liefert, Charles Wolf Drimal, and Scott Bischke. Greater Yellowstone climate assessment: past, present, and future climate change in greater Yellowstone watersheds. Montana State University, 2021. http://dx.doi.org/10.15788/gyca2021.

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The Greater Yellowstone Area (GYA) is one of the last remaining large and nearly intact temperate ecosystems on Earth (Reese 1984; NPSa undated). GYA was originally defined in the 1970s as the Greater Yellowstone Ecosystem, which encompassed the minimum range of the grizzly bear (Schullery 1992). The boundary was enlarged through time and now includes about 22 million acres (8.9 million ha) in northwestern Wyoming, south central Montana, and eastern Idaho. Two national parks, five national forests, three wildlife refuges, 20 counties, and state and private lands lie within the GYA boundary. GY
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