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    Author(s): Robert D. Davic; Hartwell H. Welsh Jr.
    Date: 2004
    Source: Annu. Rev. Ecol. Syst., Vol. 35: 405-434
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (430 KB)

    Description

    Salamanders are cryptic and, though largely unrecognized as such, extremely abundant vertebrates in a variety of primarily forest and grassland environments, where they regulate food webs and contribute to ecosystem resilience-resistance (= stability) in several ways: (a) As mid-level vertebrate predators, they provide direct and indirect biotic control of species diversity and ecosystem processes along grazer and detritus pathways; (b) via their migrations, they connect energy and matter between aquatic and terrestrial landscapes; (c) through association with underground burrow systems, they contribute to soil dynamics; and (d) they supply high-quality and slowly available stores of energy and nutrients for tertiary consumers throughout ecological succession. Salamanders also can provide an important service to humans through their use as cost-effective and readily quantifiable metrics of ecosystem health and integrity. The diverse ecological roles of salamanders in natural areas underscore the importance of their conservation.

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    Citation

    Davic, Robert D.; Welsh Jr., Hartwell H. 2004. On the ecological role of salamanders. Annu. Rev. Ecol. Syst., Vol. 35: 405-434

    Keywords

    amphibians, forested ecosystems, detritus-litter, succession, keystone species

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