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  • Nature conservation--Economic aspects.  (1)
  • community ecology  (1)
  • 1
    Online-Ressource
    Online-Ressource
    Cary :Oxford University Press, Incorporated,
    Schlagwort(e): Nature conservation--Economic aspects. ; Electronic books.
    Beschreibung / Inhaltsverzeichnis: As humanity presses down inexorably on the natural world, people debate the extent to which we can save the Earth's millions of different species without sacrificing human economic welfare. But is this argument wise? Must the human and natural worlds be adversaries?In this book, ecologist Michael Rosenzweig finds that ecological science actually rejects such polarization. Instead it suggests that, to be successful, conservation must discover how we can blend a rich natural world into the world of economic activity. This revolutionary, common ground betweendevelopment and conservation is called reconciliation ecology: creating and maintaining species-friendly habitats in the very places where people live, work, or play.The book offers many inspiring examples of the good results already achieved. The Nature Conservancy, for instance, has a cooperative agreement with the Department of Defense, with more than 200 conservation projects taking place on more than 170 bases in 41 states. In places such as Elgin AirForce Base, the human uses-testing munitions, profitable timbering and recreation--continue, but populations of several threatened species on the base, such as the long-leaf pine and the red-cockaded woodpecker, have been greatly improved. The Safe Harbor strategy of the Fish & Wildlife Serviceencourages private landowners to improve their property for endangered species, thus overcoming the unintended negative aspects of the Endangered Species Act. And Golden Gate Park, which began as a system of sand dunes, has become, through human effort, a world of ponds and shrubs, waterfowl andtrees.Rosenzweig shows that reconciliation ecology is the missing tool of conservation, the practical, scientifically based approach that, when added to the rest, will solve the problem of preserving Earth's species.
    Materialart: Online-Ressource
    Seiten: 1 online resource (224 pages)
    Ausgabe: 1st ed.
    ISBN: 9780198035459
    DDC: 333.95/16
    Sprache: Englisch
    Anmerkung: Intro -- Contents -- Preamble -- CHAPTER 1 Reconciliation Ecology -- CHAPTER 2 Landscape Architecture for the Third Millennium -- CHAPTER 3 Prometheus in the Pinelands -- CHAPTER 4 Making Money -- CHAPTER 5 Hidden Costs -- A Personal Witness -- CHAPTER 6 Hard-Core Reconciliation -- CHAPTER 7 Happy Accidents -- CHAPTER 8 The Tyranny of Space -- CHAPTER 9 Falling Down the Time Shaft: The Case of the Incredible Shrinking Planet -- CHAPTER 10 Fighting for Crumbs: The Traditional Forms of Biological Conservation -- CHAPTER 11 Extinction Happens -- CHAPTER 12 Clearing Hurdles -- Notes -- Acknowledgments -- Illustration Sources -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- Y -- Z.
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Evolutionary ecology 11 (1997), S. 733-756 
    ISSN: 1573-8477
    Schlagwort(e): optimal foraging ; gerbil ; competition ; predation ; mutualism ; habitat selection ; dipswitch theory ; community ecology ; isocline ; isoleg ; population dynamics ; interaction coefficient ; density dependence ; ideal free distribution
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Optimal foraging theory has entered a new phase. It is not so much tested as used. It helps behavioural ecologists discover the nature of the information in an animal's brain. It helps population ecologists reveal coefficients of interaction and their patterns of density-dependent variation. And it helps community ecologists examine niche relationships. In our studies on two species of Negev desert gerbil, we have taken advantage of the second and third of these functions. Both these gerbils prefer semi-stabilized dune habitat, and both altered their selective use of this habitat and stabilized sand according to experimental changes we made in their populations. Their changes in selectivity agree with a type of optimal foraging theory called ‘isoleg theory’. Isoleg theories provide examples of dipswitch theories – bundles of articulated qualitative predictions – that are easier to falsify than single qualitative predictions. By linking behaviour to population dynamics through isoleg theory, we were able to use the behaviour of the gerbils to reveal the shapes of their competitive isoclines. These have the peculiar non-linear shapes predicted by optimal foraging theory. Finally, when owl predation threatens, the behaviour of Gerbillus allenbyi reveals the shape of their victim isocline. As has long been predicted by predation theory and laboratory experiments, it is unimodal.
    Materialart: Digitale Medien
    Standort Signatur Einschränkungen Verfügbarkeit
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