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Defining and evaluating exotic species: issues for Yellowstone park policy

Western North American Naturalist 61 (3) (2001)

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Refocusing Ecocentrism.Bill Throop - 1999 - Environmental Ethics 21 (1):3-21.details Traditional ecocentric ethics relies on an ecology that emphasizes the stability and integrity of ecosystems. Numerous ecologists now focus on natural systems that are less clearly characterized by these properties. We use the elimination and restoration of wolves in Yellowstone to illustrate troubles for traditional ecocentric ethics caused by ecological models emphasizing instability in natural systems. We identify several other problems for a stability-integrity based ecocentrism as well. We show how an ecocentric ethic can avoid these difficulties by emphasizing the (...) Download Export citation Bookmark 27 citations
Nativism and Nature: Rethinking Biological Invasion.Jonah H. Peretti - 1998 - Environmental Values 7 (2):183-192.details The study of biological invasions raises troubling scientific, political and moral issues that merit discussion and debate on a broad scale. Nativist trends in Conservation Biology have made environmentalists biased against alien species. This bias is scientifically questionable, and may have roots in xenophobic and racist attitudes. Rethinking conservationists' conceptions of biological invasion is essential to the development of a progressive environmental science, politics, and philosophy. Download Export citation Bookmark 14 citations
Exotic Species, Naturalisation, and Biological Nativism.Ned Hettinger - 2001 - Environmental Values 10 (2):193-224.details Contrary to frequent characterisations, exotic species should not be identified as damaging species, species introduced by humans, or species originating from some other geographical location. Exotics are best characterised ecologically as species that are foreign to an ecological assemblage in the sense that they have not significantly adapted with the biota constituting that assemblage or to the local abiotic conditions. Exotic species become natives when they have ecologically naturalised and when human influence over their presence in an assemblage (if any) (...) Download Export citation Bookmark 13 citations
Strangers in a Strange Land: The Problem of Exotic Species.Mark Woods & Paul Veatch Moriarty - 2001 - Environmental Values 10 (2):163-191.details Environmentalists consider invasions by exotic species of plants and animals to be one of the most serious environmental problems we face today, as well as one of the leading causes of biodiversity loss. We argue that in order to develop and enact sensible policies, it is crucial to consider two philosophical questions: What exactly makes a species native or exotic, and What values are at stake? We focus on the first of these two questions, and offer some preliminary suggestions with (...) Download Export citation Bookmark 7 citations
Eradicating the aliens: restoration and exotic species.William Throop - 2000 - In Environmental Restoration: Ethics, Theory, and Practice. Humanity Books. pp. 179--191.details Download Export citation Bookmark 5 citations

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