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Pollution --- Homme --- Ecosystèmes menacés

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Carbon Sequestration in Forest Ecosystems is a comprehensive book describing the basic processes of carbon dynamics in forest ecosystems, their contribution to carbon sequestration and implications for mitigating abrupt climate change. This book provides the information on processes, factors and causes influencing carbon sequestration in forest ecosystems. Drawing upon most up-to-date references, this book summarizes the current understanding of carbon sequestration processes in forest ecosystems while identifying knowledge gaps for future research, Thus, this book is a valuable knowledge source for students, scientists, forest managers and policy makers.

Life Sciences. --- Ecosystems. --- Climate Change. --- Soil Science & Conservation. --- Forestry. --- Forestry Management. --- Microbiology. --- Life sciences. --- Endangered ecosystems. --- Forests and forestry. --- Climatic changes. --- Soil conservation. --- Sciences de la vie --- Ecosystèmes menacés --- Forêts et sylviculture --- Microbiologie --- Climat --- Sols --- Changements --- Conservation --- forests --- ecosystems --- carbon dioxide --- Source sink relations --- Photosynthesis --- soil air --- Atmosphère --- Atmosphere --- Atmosphere.

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On 4 June 1629, the Batavia, pride of the Dutch East India Company Fleet, was wrecked on her maiden voyage in a seemingly empty expanse of the Indian Ocean. The question “how did this happen?” led to 300 years of investigation by those curious to solve the enigma: what are corals, and how are coral reefs formed?   Relying heavily on primary source material Part 1 traces the sequential evolution of scientific thought and practice as the author explores the way this evolution is reflected in the search for understanding corals. At each stage, answers lead to fresh questions that challenge investigators to solve the riddle, and new branches of science emerge. Then, with the first enigma finally understood, a new enigma arose. Why are Reefs dying? Part 2 traces the range of problems that have emerged in the past 50 years as marine, ecological, reef and climate scientists attempt to put the pieces of the jigsaw together. Is there a new “canary in the coal mine” warning of the fate of the world as we know it if man’s impact on his environment continues unchecked?

Environment. --- Marine & Freshwater Sciences. --- Freshwater & Marine Ecology. --- Ecosystems. --- Environmental sciences. --- Endangered ecosystems. --- Aquatic biology. --- Marine Sciences. --- Sciences de l'environnement --- Ecosystèmes menacés --- Hydrobiologie --- Earth & Environmental Sciences --- Ecology --- Coral reefs and islands --- Coral reef management. --- History. --- Monitoring. --- Coral reef monitoring --- Monitoring of coral reefs --- Atolls --- Coral atolls --- Coral islands --- Reefs, Coral --- Management --- Aquatic ecology. --- Marine sciences. --- Freshwater. --- Environmental monitoring --- Islands --- Ecosystem management --- Threatened ecosystems --- Biotic communities --- Nature conservation --- Hydrobiology --- Water biology --- Aquatic sciences --- Biology --- Ocean sciences --- Aquatic ecology . --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities --- Population biology --- Aquatic biology --- Fresh waters --- Freshwater --- Freshwaters --- Inland water --- Inland waters --- Water

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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

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This book reviews and summarizes the results and hypotheses raised by studies directly or indirectly dealing with the ecology of fronts and aims to identify the themes that connect them to produce a synthesis of this knowledge. Though not immediately perceived the ocean is highly structured and fronts are one of the most important components of its structural complexity. Marine fronts have been known since the early 20th Century, however, the more recent availability of high resolution satellite imagery, field measurements and numerical simulations have greatly advanced our understanding of their ecological impact. This work touches on topics such as front types, its biology and its comparisons with other bounderies at sea, as well as comparisons of fronts with terrestrial boundaries and the ‘ecotone’ concept. Furthermore, it also looks at the management and conservation of marine life.

Life Sciences. --- Freshwater & Marine Ecology. --- Oceanography. --- Landscape Ecology. --- Climate Change. --- Ecosystems. --- Life sciences. --- Endangered ecosystems. --- Landscape ecology. --- Aquatic biology. --- Climatic changes. --- Sciences de la vie --- Océanographie --- Ecosystèmes menacés --- Ecologie du paysage --- Hydrobiologie --- Climat --- Changements --- Earth & Environmental Sciences --- Ecology --- Marine ecology. --- Water masses. --- Marine biology. --- Hydrobiology --- Water biology --- Biological oceanography --- Ocean biology --- Oceanic biology --- Sea biology --- Oceanography, Physical --- Oceanology --- Physical oceanography --- Thalassography --- Masses, Water --- Ocean water masses --- Marine ecosystems --- Ocean --- Aquatic ecology. --- Climate change. --- Earth sciences --- Marine sciences --- Aquatic ecology --- Aquatic sciences --- Biology --- Aquatic biology --- Oceanography --- Threatened ecosystems --- Biotic communities --- Nature conservation --- 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) --- Environmental aspects --- Aquatic ecology . --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities --- Population biology --- Global environmental change