Do bird assemblages predict susceptibility by e-waste pollution? A comparative study based on species- and guild-dependent responses in China agroecosystems.
Do bird assemblages predict susceptibility by e-waste pollution? A comparative study based on species- and guild-dependent responses in China agroecosystems.
复制标题
鸟类组合是否可以预测电子垃圾污染的敏感性？
DOI：
10.1371/journal.pone.0122264
复制
发表时间：
2015
期刊：
影响因子：
3.7
通讯作者：
Zou F
中科院分区：
文献类型：
--
作者：
Zhang Q;Wu J;Sun Y;Zhang M;Mai B;Mo L;Lee TM;Zou F
电子废物的间接影响已被认为是鸟类数量下降的一个原因，但目前缺乏对社区聚集严重影响的分析。为了探讨电子垃圾对鸟类种群数量/物种多样性的影响，以及哪些功能性状对电子垃圾的敏感性有重要影响，本文采用分层嵌套抽样设计调查了华南地区的繁殖和越冬鸟类，并利用线性混合模型分析了华南地区鸟类群落沿着暴露梯度的变化。鸟类总丰度和物种多样性随着电子废物的严重程度（暴露<周围<参考）而下降，反映了排放量的减少和随之而来的副作用。25种繁殖物种专门使用天然农田，9种物种在电子废物污染场地的相对丰度显着下降。暴露和周围的网站之间的高成对相似性表明在当地规模的物种组装污染物的扩散效应。我们发现，电子废物的严重程度的敏感性在不同的功能行会，林地食虫和草地专家的患病率下降，而一些开放的农田通才，如树栖食果动物，陆生食草动物也很少见。相比之下，到目前为止，水鸟、杂食性和非繁殖游客的反应似乎可以忍受广泛的污染。这些研究结果强调，不适当的电子废物拆解导致鸟类多样性严重下降，污染和自然农田上不同的鸟类组合意味着物种和行业依赖的功能特性的易感性。此外，未来需要更好地了解具有不同污染水平的电子废物、多种污染物的组合以及食物网背景下对鸟类的影响。
Indirect effects of electronic waste (e-waste) have been proposed as a causal factor in the decline of bird populations, but analyses of the severity impacts on community assembly are currently lacking. To explore how population abundance/species diversity are influenced, and which functional traits are important in determining e-waste susceptibility, here we surveyed breeding and overwintering birds with a hierarchically nested sampling design, and used linear mixed models to analyze changes in bird assemblages along an exposure gradient in South China. Total bird abundance and species diversity decreased with e-waste severity (exposed < surrounding < reference), reflecting the decreasing discharge and consequent side effects. Twenty-five breeding species exclusively used natural farmland, and nine species decreased significantly in relative abundance at e-waste polluted sites. A high pairwise similarity between exposed and surrounding sites indicates a diffuse effect of pollutants on the species assembly at local scale. We show that sensitivity to e-waste severity varies substantially across functional guild, with the prevalence of woodland insectivorous and grassland specialists declining, while some open farmland generalists such as arboreal frugivores, and terrestrial granivores were also rare. By contrast, the response of waterbirds, omnivorous and non-breeding visitors seem to be tolerable to a wide range of pollution so far. These findings underscore that improper e-waste dismantling results in a severe decline of bird diversity, and the different bird assemblages on polluted and natural farmlands imply species- and guild-dependent susceptibility with functional traits. Moreover, a better understanding of the impact of e-waste with different pollution levels, combined multiple pollutants, and in a food-web context on bird is required in future.
登录
查看更多内容
影响因子：
56.9
作者：
Butler, S. J.;Vickery, J. A.;Norris, K.
通讯作者：
Norris, K.
华南电子垃圾回收区水鸟体内的持久性卤代化合物
影响因子：
11.4
作者：
Luo, Xiao-Jun;Zhang, Xiu-Lan;Yang, Zhong-Yi
通讯作者：
Yang, Zhong-Yi
影响因子：
4.1
作者：
Mo, Ling;Wu, Jiang-Ping;Mai, Bi-Xian
通讯作者：
Mai, Bi-Xian
影响因子：
8.9
作者：
Eeva, T.;Ahola, M.;Lehikoinen, E.
通讯作者：
Lehikoinen, E.
影响因子：
2.1
作者：
Boatman, ND;Brickle, NW;Robertson, PA
通讯作者：
Robertson, PA