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Aquatic ecology. --- Aquatic biodiversity. --- Aquatic biological diversity --- Diversity, Aquatic biological --- Biodiversity --- Aquatic biology --- Ecology

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Integrating research into freshwater biodiversity and the role of keystone species, this fascinating book presents freshwater crayfish as representatives of human-exacerbated threats to biodiversity and conservation. It uses examples from these and other large decapod invertebrates to explore how communities function and are controlled, alongside the implications of human demands and conflicts over limited resources, notably the severe impacts on biodiversity. The discussion is structured around three key topics - the present situation of crayfish in world freshwater ecosystems, the applications of science to conservation management and knowledge transfer for successful crayfish management. It outlines the historic exploitation of crayfish, addressing the problems caused by invasive alien forms and explaining the importance of correct identification when dealing with conservation issues. Offering a global perspective on freshwater systems, the book ultimately highlights how the conservation of such large and long-lived species will help protect ecosystem quality in the future.

Crayfish --- Freshwater biodiversity conservation. --- Indicators (Biology) --- Ecology. --- Bioindicators --- Biological environmental indicators --- Biological indicators --- Ecological indicators --- Environmental indicators, Biological --- Sentinel organisms --- Ecology --- Biological monitoring --- Biological reagents --- Water quality biological assessment --- Conservation of freshwater biodiversity --- Freshwater biodiversity --- Freshwater biological diversity conservation --- Aquatic biodiversity conservation --- Crawdaddies --- Crawdads --- Crawfish --- Crawfishes --- Crayfishes --- Decapoda (Crustacea) --- Astacology --- Conservation

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The poles undergo climate changes exceeding those in the rest of the world in terms of their speed and extent, and have a key role in modulating the climate of the Earth. Ecosystems adapted to polar environments are likely to become vulnerable to climate changes. Their responses allow us to analyse and foresee the impact of changes at lower latitudes. We need to increase our knowledge of the polar marine fauna of continental shelves, slopes and deep sea, as identifying the responses of species and communities is crucial to establishing efficient strategies against threats to biodiversity, using international and cross-disciplinary approaches. The IPY 2007-2009 was a scientific milestone. The outstanding contribution of Marine Biology is reflected in this volume and the next one on “Adaptation and Evolution in Marine Environments – The Impacts of Global Change on Biodiversity” from the series “From Pole to Pole”, making these volumes a unique and invaluable component of the scientific outcome of the IPY.

Biodiversity. --- Ecology. --- Environmental sciences. --- Life sciences. --- Earth & Environmental Sciences --- Environmental Sciences --- Marine Science --- Biodiversity --- Marine biodiversity conservation. --- Climatic factors. --- Conservation of marine biodiversity --- Marine biodiversity --- Marine biological diversity conservation --- Conservation --- Effect of climate on --- Effect of climatic changes on --- Environment. --- Climate change. --- Geobiology. --- Evolutionary biology. --- Environmental Monitoring/Analysis. --- Biogeosciences. --- Climate Change/Climate Change Impacts. --- Evolutionary Biology. --- Aquatic biodiversity conservation --- Marine resources conservation --- Bioclimatology --- Climatic changes --- Evolution (Biology). --- Monitoring/Environmental Analysis. --- Biological diversification --- Biological diversity --- Biotic diversity --- Diversification, Biological --- Diversity, Biological --- Biology --- Biocomplexity --- Ecological heterogeneity --- Numbers of species --- Balance of nature --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology --- Animal evolution --- Animals --- Biological evolution --- Darwinism --- Evolutionary biology --- Evolutionary science --- Origin of species --- Evolution --- Biological fitness --- Homoplasy --- Natural selection --- Phylogeny --- Ecology --- Environmental monitoring. --- Ecology . --- Changes, Climatic --- Changes in climate --- Climate change --- Climate change science --- Climate changes --- Climate variations --- Climatic change --- Climatic fluctuations --- Climatic variations --- Global climate changes --- Global climatic changes --- Climatology --- Climate change mitigation --- Teleconnections (Climatology) --- Earth sciences --- Biosphere --- Biomonitoring (Ecology) --- Ecological monitoring --- Environmental quality --- Monitoring, Environmental --- Applied ecology --- Environmental engineering --- Pollution --- Environmental aspects --- Measurement --- Monitoring --- Global environmental change