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Relationship of diversity and habitat area in North Pacific plastic-associated rafting communities

机译:北太平洋塑料相关漂流群落多样性与栖息地面积的关系

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摘要

Plastic and other anthropogenic debris (e.g., rubber, tar) augment natural floating substrates (e.g., algal rafts, pumice) in the open ocean, allowing "islands" of substrate-associated organisms to persist in an otherwise unsuitable habitat. We examined a total of 242 debris objects collected in the eastern Pacific in 2009 and 2011 (32-39°N, 130-142°W) and the western Pacific in 2012 (19-41°N, 143-156°E). Here, we ask: (a) What taxa are associated with plastic rafts in the North Pacific? and (b) Does the number of taxa associated with plastic debris vary with the size of the debris "island?" We documented 95 rafting taxa from 11 phyla. We identified several potentially invasive plastic-associated rafting taxa, including the coral pathogen Halofolliculina spp. In concordance with classic species-area curves, the number of rafting taxa was positively correlated with the size of the raft. Our findings suggest that diversity patterns on plastic debris are compatible with the concept of island biogeography.
机译:塑料和其他人为碎片(例如橡胶,焦油)会增加大洋中的自然漂浮基质(例如藻筏,浮石),使基质相关生物的“岛”在原本不合适的栖息地中持续存在。我们检查了2009年和2011年在东太平洋(北纬32-39°,北纬130-142°)和2012年在西太平洋(北纬19-41°,东经143-156°)收集的242个碎片物体。在这里,我们问:(a)北太平洋的塑料筏有哪些分类单元? (b)与塑料碎片相关的分类单元的数量是否随“岛屿”碎片的大小而变化?我们记录了11个门的95个漂流生物群。我们确定了几种潜在的与塑料相关的漂流生物,包括珊瑚病原体Halofolliculina spp。与经典的物种-面积曲线一致,漂流单元的数量与筏的大小成正相关。我们的发现表明,塑料碎片上的多样性模式与岛屿生物地理学的概念兼容。

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  • 来源
    《Marine biology》 |2014年第6期|1441-1453|共13页
  • 作者单位

    Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, USA California Sea Grant, La Jolla, CA, USA;

    University of Hawaii at Hilo, Hilo, HI, USA,Washington Department of Fish and Wildlife, Olympia, WA, USA;

    5 Gyres Institute, Los Angeles, CA, USA;

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