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What is the minimum viable population (MVP) of a particular species? Besides the obvious implications for conservation, especially of endangered species, this question raises important issues in population biology. MVP obviously varies with demographic, life history and environmental factors, but also depends upon genetic load and genetic variability. This book addresses the most recent research in the rapidly developing integration of conservation biology with population biology. Chapters consider the roles of demographic and environmental variability; the effects of latitude, body size, patchiness and metapopulation structure; the implications of catastrophes; and the relevance of effective population size on inbreeding and natural selection. Other topics addressed include the role of decision theory in clarifying management alternatives for endangered species, and the opportunities for improved co-operation between agencies responsible for management. The book concludes with a forward-looking and plain-speaking summary on future research and its application for conservation practice.

Population biology. --- Wildlife conservation. --- Extinction (Biology)

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This revised edition deals with the latest developments in the technical areas of plant competition and the theory of coexistence.

Plant populations. --- Vegetation dynamics. --- Plants --- Population. --- co-existence --- demography --- insteraction --- life tables --- models --- modular structure --- niche --- regulation --- Ecologie vegetale. --- Dynamique. --- Plantes --- Vegetation --- Populations. --- Plantes - Populations. --- Vegetation - Dynamique. --- Plant populations --- Vegetation dynamics --- Plant ecology --- Ecology --- Population Dynamics --- Plant Development --- Botany --- Floristic ecology --- Phytoecology --- Vegetation ecology --- Dynamics of vegetation --- Acclimatization (Plants) --- Plant communities --- Vegetation and climate --- Populations, Plant --- Population biology --- Plant Morphogenesis --- Development, Plant --- Developments, Plant --- Morphogeneses, Plant --- Morphogenesis, Plant --- Plant Developments --- Plant Morphogeneses --- statistics & numerical data --- growth & development --- Population --- plant ecology --- synecology --- botany --- population ecology --- population biology --- Plant Ecology --- Population Ecology

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Ecology --- Ecologie --- Dictionaries --- German. --- Dictionnaires allemands --- 614.7 --- <038> --- Hygiene of air, water, soil. Pollution and its control --- Vertaalwoordenboeken--Onderwerpswoordenboeken--Technische woordenboeken --- woordenboeken --- woordenboeken. --- <038> Vertaalwoordenboeken--Onderwerpswoordenboeken--Technische woordenboeken --- Balance of nature --- Biology --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology --- Dictionaries&delete& --- German

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Many people learn the rudiments of the nitrogen cycle while at school, but the details of the various processes in the cycle are still not widely understood. Some of them are of great current interest, such as the use of nitrogen fixing crops to feed an increasing world population and the problems of pollution of groundwaters by nitrates. Denitrification (forming nitrogen gas) as a way of getting rid of waste from human and intensively farmed animals. This book describes the general processes of the nitrogen cycle, then gives examples of how the cycle is modified under particular ecological and geographical conditions. These examples are drawn from all the major areas of the world, and the impact of man via agriculture, forestry and fuel combustion is discussed. Numerous references are included. The book provides a background for all those whose specialist interests interact with nitrogen cycling, whether they are involved in research or have responsibility for managing the environment.

Nitrogen cycle --- Ecology --- Écologie --- ecology --- Écosystème --- ecosystems --- Azote --- Nitrogen --- Cycle biogéochimique --- cycling --- Écologie forestière --- forest ecology --- Écologie d'eau douce --- freshwater ecology --- Agronomie --- Agronomy --- 546.17 --- 504 --- 631.461.1/.5 --- 579.266.2 --- $?$91/03 --- Biogeochemical cycles --- Balance of nature --- Biology --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology --- Ecology. --- Nitrogen cycle.

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Aquatic animals --- Aquatic ecology --- Biotic communities --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities --- Ecology --- Population biology --- Aquatic biology --- Aquatic fauna --- Water animals --- Animals --- Aquatic organisms --- Effect of predation on --- Hydrobiology --- Animal ethology and ecology. Sociobiology