Titlebook: Ecological Principles of Nature Conservation; Application in Tempe Lennart Hansson Book 1992 Elsevier Science Publishers Ltd 1992 ecologica

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Business Valuation Through Market Multiples,ory in relation to such problems. The authors were well aware of modern developments in ecological theory and had also prepared themselves in several seminars together with more theoretically inclined ecologists. Their experience suggests that present theory is fairly limited in its ability to solve pressing conservation problems.

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Book 1992l Biological Conservation has promoted since its foundation thirty-three years ago. The science of conservation ecology is now widely acknowledged as an essential component in the planning and develop­ ment of activities which change or modify our natural environment. Nevertheless in spite of much r

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Conservation Management of Riparian Communities, complexity—these systems consist of numerous interrelated hydrological, sedimentological, morphological, and biological components. They are also situated between two major habitats, water and land. This intermediate position has tended to place riparian ecology within both limnology and terrestrial ecology.

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Archipelagoes and Theories of Insularity,attention among Swedish and Finnish naturalists to the ecology of island life. Theories of species richness on islands, along the same lines of thinking as MacArthur and Wilson (1963, 1967) and others during the 1960s, were published as early as 1917 by Alvar Palmgren and 1921 by Olof Arrhenius.

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Conservation Biology in Agricultural Habitat Islands,soils covered with vegetation) and irregularities in the fields are considered as obstacles and are therefore often removed. From a conservation point of view this development is often detrimental, because populations are fragmented, reducing migration between them.

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Epilogue: Towards an Applied Ecological Theory?,ory in relation to such problems. The authors were well aware of modern developments in ecological theory and had also prepared themselves in several seminars together with more theoretically inclined ecologists. Their experience suggests that present theory is fairly limited in its ability to solve pressing conservation problems.