WhiteMcGillLechowicz2011

Référence

White, P.J.T., McGill, B.J., Lechowicz, M.J. (2011) Human-disturbance and caterpillars in managed forest fragments. Biodiversity and Conservation, 20(8):1745-1762. (Scopus )

Résumé

The impact of forest-edge habitat on Lepidoptera assemblages has been well-studied, but the impact of trailside habitat has rarely been considered. We surveyed caterpillar populations in relation to recreational trails at 72 quadrats in four forest fragments in southeastern, Quebec, Canada. We found a consistent negative relationship between trails in the forest and both the abundance and species diversity of caterpillars within and among forest fragments. Conversely, caterpillar presence was not related to the presence of favorable host trees at a given quadrat. We suggest that the negative effect of trails may be due to increased predation pressure in trailside habitat and to conditions that make trailside habitat less preferable for oviposition. These results underscore the importance of managing trails to limit the amount of intra-forest disturbance experienced in important forest fragment remnants. © 2011 Springer Science+Business Media B.V.

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@ARTICLE { WhiteMcGillLechowicz2011,
    AUTHOR = { White, P.J.T. and McGill, B.J. and Lechowicz, M.J. },
    TITLE = { Human-disturbance and caterpillars in managed forest fragments },
    JOURNAL = { Biodiversity and Conservation },
    YEAR = { 2011 },
    VOLUME = { 20 },
    PAGES = { 1745-1762 },
    NUMBER = { 8 },
    ABSTRACT = { The impact of forest-edge habitat on Lepidoptera assemblages has been well-studied, but the impact of trailside habitat has rarely been considered. We surveyed caterpillar populations in relation to recreational trails at 72 quadrats in four forest fragments in southeastern, Quebec, Canada. We found a consistent negative relationship between trails in the forest and both the abundance and species diversity of caterpillars within and among forest fragments. Conversely, caterpillar presence was not related to the presence of favorable host trees at a given quadrat. We suggest that the negative effect of trails may be due to increased predation pressure in trailside habitat and to conditions that make trailside habitat less preferable for oviposition. These results underscore the importance of managing trails to limit the amount of intra-forest disturbance experienced in important forest fragment remnants. © 2011 Springer Science+Business Media B.V. },
    COMMENT = { Export Date: 2 April 2012 Source: Scopus CODEN: BONSE doi: 10.1007/s10531-011-0059-3 },
    ISSN = { 09603115 (ISSN) },
    KEYWORDS = { Caterpillar diversity, Disturbed landscape, Forest management, Human disturbance, Lepidoptera, Trails, anthropogenic effect, caterpillar, disturbance, ecological impact, edge effect, forest edge, forest management, habitat fragmentation, host plant, human activity, nature-society relations, oviposition, predation, recreational activity, Canada, Quebec [Canada], Lepidoptera },
    OWNER = { Luc },
    TIMESTAMP = { 2012.04.02 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-79958293618&partnerID=40&md5=bd257fcb50c8ab90a3c7907ac68b54c1 },
}

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