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dissertation (1)


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Dissertation
Influence de la photoperiode et de la température sur le développement gonadal des femelles de vairon européen (Phoxinus phoxinus, L. 1758) et production hivernale d'alevins de vairon européen.
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Year: 1990

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Book
The subalpine lake ecosystem, Øvre Heimdalsvatn, and its catchment: local and global changes over the last 50 years
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ISBN: 9048193877 9048193885 Year: 2010 Publisher: Dordrecht : Springer Netherlands : Imprint: Springer,

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Abstract

This book summarizes research from the intensive study of a pristine subalpine lake ecosystem and its catchment over the last 50 years. A wide range of topics is presented, including several unique time series focusing on changes in ice cover, water temperature, zooplankton, benthos and fish. Significant changes in the lake fauna after the introduction of European minnow into an ecosystem where brown trout was the sole fish species have been documented. The area received substantial radioactive fallout from the Chernobyl accident in 1986, and two articles address long-term changes in radiocaesium activity concentrations in allochthonous plant material and in fish. Other topics include palaeoecology, mercury in fish and remote sensing of catchment snows. Such long-term research is crucial in a rapidly changing environment due to the impacts of climate change, long-range pollutants and alien species. This provides a solid basis for future monitoring and management of freshwater ecosystems. The book will not only be of interest to freshwater ecologists working in the field, but also for managers responsible for the protection and monitoring of natural areas. It illustrates the changes now taking place in pristine ecosystems as a result of human activities and will serve as a supplementary text for courses in environmental management.

Keywords

Aquatic biology. --- Climatic changes. --- Ecology. --- Endangered ecosystems. --- Life sciences. --- Nature Conservation. --- Wildlife management. --- Lake ecology --- Brown trout --- Phoxinus phoxinus --- Earth & Environmental Sciences --- Ecology --- Salmo eriox --- Salmo trutta --- Lakes --- Ecosystems. --- Aquatic ecology. --- Wildlife. --- Fish. --- Climate change. --- Nature conservation. --- Life Sciences. --- Freshwater & Marine Ecology. --- Fish & Wildlife Biology & Management. --- Climate Change. --- Salmo --- Trout --- Sea trout --- Freshwater ecology --- Reservoir ecology --- Phoxinus --- Changes, Climatic --- Changes in climate --- Climate change --- Climate change science --- Climate changes --- Climate variations --- Climatic change --- Climatic changes --- Climatic fluctuations --- Climatic variations --- Global climate changes --- Global climatic changes --- Climatology --- Climate change mitigation --- Teleconnections (Climatology) --- Animal populations --- Game management --- Management, Game --- Management, Wildlife --- Plant populations --- Wildlife resources --- Natural resources --- Wildlife conservation --- Threatened ecosystems --- Biotic communities --- Nature conservation --- Hydrobiology --- Water biology --- Aquatic sciences --- Biology --- Conservation of nature --- Nature --- Nature protection --- Protection of nature --- Conservation of natural resources --- Applied ecology --- Conservation biology --- Endangered ecosystems --- Natural areas --- Balance of nature --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology --- Environmental aspects --- Management --- Conservation --- Ecology . --- Aquatic ecology . --- Fish --- Pisces --- Aquatic animals --- Vertebrates --- Fisheries --- Fishing --- Ichthyology --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities --- Aquatic biology --- Global environmental change

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