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Historical records of passerine introductions to New Zealand fail to support the propagule pressure hypothesis

Moulton, Michael ; Cropper, Wendell ; Avery, Michael

Biodiversity and Conservation, 2012, Vol.21(1), pp.297-307 [Tạp chí có phản biện]

ISSN: 0960-3115 ; E-ISSN: 1572-9710 ; DOI: 10.1007/s10531-011-0165-2

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  • Nhan đề:
    Historical records of passerine introductions to New Zealand fail to support the propagule pressure hypothesis
  • Tác giả: Moulton, Michael ; Cropper, Wendell ; Avery, Michael
  • Chủ đề: Propagule pressure ; Introduced birds ; Historical records
  • Là 1 phần của: Biodiversity and Conservation, 2012, Vol.21(1), pp.297-307
  • Mô tả: Blackburn et al. (Biodiver Conserv 20:2189–2199, 2011) claim that a reanalysis of passerine introductions to New Zealand supports the propagule pressure hypothesis. The conclusions of Blackburn et al. (2011) are invalid for three reasons: First, the historical record is so flawed that there is no sound basis for identifying the mechanisms behind extinction following introduction, or whether species were successful because they were introduced in large numbers or were introduced in large numbers because earlier releases succeeded. Second, the GLIMMIX analysis of Blackburn et al. (2011) is biased in favor of the propagule pressure hypothesis. Third, the population viability analysis presented by Blackburn et al. (2011) is based on unjustified and questionable assumptions. It is likely that the outcome of passerine bird introductions to New Zealand depended on species characteristics, site characteristics, and human decisions more than on a simple summing of the numbers introduced.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0960-3115 ; E-ISSN: 1572-9710 ; DOI: 10.1007/s10531-011-0165-2

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