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Aquatic biology --- Aquatic Ecosystems. --- Marine Sciences. --- Aquatic biology. --- Research --- Research. --- Latin America. --- Ecology --- Hydrobiologie --- Recherche

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Life Sciences --- Biology --- Freshwater biology --- Aquatic biology --- Aquatic biology. --- Hydrobiology --- Water biology --- Aquatic sciences --- Freshwater biology. --- Fresh-water biology --- Limnology --- Biologie d'eau douce --- Hydrobiologie

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This volume deals with many aspects of the physical and chemical limnology of the Salton Sea, California’s largest lake and a lake that may soon to be the object of a multi-billion dollar restoration project. Formed in 1905 by an accidental breaching of outtake structures on the Colorado River, and maintained since then by large and steady inflows of agricultural wastewaters, it has long served as an important habitat for fish and waterbirds and as a major recreational area for people. Highlly eutrophic and with a salinity that is steadily rising and now nearly 50 g/L, it is a lake in great trouble. Most fish species have disappeared, and large fish and bird dieoffs have been common in recent decades. Many of the papers in this volume represent studies undertaken with the aim of informing the re-engineering of this ecosystem so that its value to wildlife and man can be restored or enhanced.

Life Sciences. --- Freshwater & Marine Ecology. --- Ecology. --- Biogeosciences. --- Life sciences. --- Aquatic biology. --- Sciences de la vie --- Ecologie --- Hydrobiologie --- Eutrophication -- California -- Salton Sea -- Congresses. --- Lake restoration -- California -- Salton Sea -- Congresses. --- Salt lake ecology -- California -- Congresses. --- Salt lakes -- California -- Congresses. --- Salton Sea (Calif.) -- Ecology -- Congresses. --- Salton Sea (Calif.) -- Environmental conditions -- Congresses. --- Ecology --- Marine Science --- Earth & Environmental Sciences --- Biosciences --- Sciences, Life --- Balance of nature --- Biology --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Hydrobiology --- Water biology --- Geobiology. --- Aquatic ecology. --- Science --- Environmental sciences --- Population biology --- Aquatic sciences --- Aquatic ecology . --- Ecology . --- Earth sciences --- Biosphere --- Aquatic biology

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This volume presents a representative sample of contributions to the 41st European Marine Biology Symposium held in September 2005 in Cork, Ireland. The theme of the symposium was ‘Challenges to Marine Ecosystems’ and this was divided into four sub themes; Genetics, Marine Protected Areas, Global Climate Change and Marine Ecosystems, Sustainable Fisheries and Agriculture. The world’s marine ecosystems face multiple challenges, some natural, but many resulting from humankind’s activities. Global climate change, driven by influences of energy usage and industrial practices, is a reality now accepted by most of the world’s scientists, media and political establishments. Warming seas and rising sea levels are regarded as threats, while visionaries consider deep ocean carbon disposal as a technological opportunity. Exploitation of the seas continues apace, with repeated concerns over the impact of over-fishing, plus reservations about the environmental effects of marine aquaculture. We need to understand how resilient organisms and ecosystems are to these challenges, while responding by protecting biologically-meaningful areas of the oceans. The subthemes of the 41st European Marine Biology Symposium address all of these matters.

Life Sciences. --- Freshwater & Marine Ecology. --- Fish & Wildlife Biology & Management. --- Marine & Freshwater Sciences. --- Life sciences. --- Aquatic biology. --- Wildlife management. --- Marine Sciences. --- Sciences de la vie --- Hydrobiologie --- Faune --- Aménagement --- Climatic changes -- Congresses. --- Marine biology -- Congresses. --- Marine ecosystem management -- Congresses. --- Marine resources conservation -- Congresses. --- Sustainable fisheries -- Congresses. --- Earth & Environmental Sciences --- Ecology --- Climatic changes --- Marine biology --- Marine ecosystem management --- Marine resources conservation --- Sustainable fisheries --- Fisheries productivity, Maintenance of long-term --- Fishery yields, Sustainable --- Long-term fisheries productivity, Maintenance of --- Maintenance of long-term fisheries productivity --- Sustainable fishery yields --- Conservation of marine resources --- Marine conservation --- Marine environmental protection --- Marine protection --- Marine ecosystems management --- Aquatic ecology. --- Wildlife. --- Fish. --- Marine sciences. --- Freshwater. --- Fisheries --- Sustainable aquaculture --- Overfishing --- Aquatic resources conservation --- Marine pollution --- Ecosystem management --- Ocean sciences --- Aquatic sciences --- Animal populations --- Game management --- Management, Game --- Management, Wildlife --- Plant populations --- Wildlife resources --- Natural resources --- Wildlife conservation --- Hydrobiology --- Water biology --- Biology --- Management --- Aquatic ecology . --- Fresh waters --- Freshwater --- Freshwaters --- Inland water --- Inland waters --- Water --- Fish --- Pisces --- Aquatic animals --- Vertebrates --- Fishing --- Ichthyology --- Aquatic biology

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Most aquatic ecosystems have variable water levels. These water-level fluctuations (WLF) have multiple effects on the organisms above and below the waterline. Natural WLF patterns in lakes guarantee both productivity and biodiversity, while untimely floods and droughts may have negative effects. Human impacts on WLF have led to a stabilization of the water levels of many lakes by hydraulic regulation, untimely drawdown due to water use, or floods due to water release from hydropower plants in the catchments. This book provides a first review in this field. It presents selected papers on the ecological effects of WLF in lakes, resulting from a workshop at the University of Konstanz in winter 2005. Issues addressed here include the extent of WLF, and analyses of their effects on different groups of biota from microorganisms to vertebrates. Applied issues include recommendations for the hydrological management of regulated lakes to reduce negative impacts, and a conceptual framework is delivered by an extension of the floodpulse concept for lakes. Current impacts on water use, including increasing demands on drinking and irrigation water, hydropower etc., and climate change effects on WLF make this book an essential resource for aquatic ecologists, engineers, and decision-makers dealing with the management of lake ecosystems and their catchments.

Life Sciences. --- Freshwater & Marine Ecology. --- Ecosystems. --- Fish & Wildlife Biology & Management. --- Life sciences. --- Endangered ecosystems. --- Aquatic biology. --- Wildlife management. --- Sciences de la vie --- Ecosystèmes menacés --- Hydrobiologie --- Faune --- Aménagement --- Biotic communities -- Effect of water levels on -- Congresses. --- Lake ecology -- Congresses. --- Lake hydrology -- Congresses. --- Water levels -- Congresses. --- Water levels. --- Earth & Environmental Sciences --- Ecology --- Hydrobiology --- Water biology --- Level, Water --- Levels, Water --- Water --- Water level --- Level --- Levels --- Environment. --- Aquatic ecology. --- Wildlife. --- Fish. --- Environmental management. --- Environmental Management. --- Aquatic sciences --- Biology --- Hydraulic measurements --- Threatened ecosystems --- Biotic communities --- Nature conservation --- Environmental stewardship --- Stewardship, Environmental --- Environmental sciences --- Management --- Animal populations --- Game management --- Management, Game --- Management, Wildlife --- Plant populations --- Wildlife resources --- Natural resources --- Wildlife conservation --- Aquatic ecology . --- Fish --- Pisces --- Aquatic animals --- Vertebrates --- Fisheries --- Fishing --- Ichthyology --- Aquatic biology --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities --- Population biology