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首页> 外文期刊>Environmental Pollution >Mercury and other element exposure in tree swallows nesting at low pH and neutral pH lakes in northern Wisconsin USA
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Mercury and other element exposure in tree swallows nesting at low pH and neutral pH lakes in northern Wisconsin USA

机译：美国北部威斯康星州低pH和中性pH湖泊中燕子筑巢时汞和其他元素的暴露

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摘要

The primary objective of this study was to determine whether tree swallows (Tachycineta bicolor) demonstrate similar responses to lake pH and mercury (Hg) contamination in northern Wisconsin as do common loons (Gavia immer). Similar to common loons, Hg concentrations in the blood of tree swallow nestlings were higher, Hg concentrations in eggs tended to be higher, and egg size tended to be smaller at low (<6.2) pH lakes. In contrast to common loons, tree swallow nestling production was not lower at low pH lakes. Based on modeling associations, Hg concentrations in tree swallow eggs and nestling blood can be used to predict Hg concentrations in common loons without the invasive or destructive sampling of loons. Mean concentrations of cadmium, manganese, and mercury in nestling livers were higher at low pH lakes than neutral pH lakes. Concentrations of cadmium, chromium, mercury, selenium, and zinc were not at toxic levels.
机译：这项研究的主要目的是确定树燕子（Tachycineta bicolor）是否对威斯康星州北部的湖泊pH和汞（Hg）污染表现出与普通懒猴（Gavia immer）相似的反应。与普通懒猴相似，树吞下幼鸟的血液中的Hg浓度较高，鸡蛋中的Hg浓度较高，而在低pH值（<6.2）的湖泊中鸡蛋的尺寸较小。与普通懒猴相反，在低pH值的湖泊中，树燕的雏鸟产量并不低。基于建模关联，树吞卵和雏鸟血液中的Hg浓度可用于预测普通懒人中的Hg浓度，而无需对侵入性或侵入性的Loon采样。在低pH湖泊中，雏鸟肝脏中镉，锰和汞的平均浓度高于中性pH湖泊。镉，铬，汞，硒和锌的浓度未达到有毒水平。

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  • 来源
    《Environmental Pollution》 |2012年第4期|p.68-76|共9页
  • 作者

    Thomas W. Custer; Christine M. Custer; Wayne E. Thogmartin; Paul M. Dummer; Ronald Rossmann; Kevin P. Kenow; Michael W. Meyer;

  • 作者单位

    US Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Rd., La Crosse, WI 54603, USA;

    US Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Rd., La Crosse, WI 54603, USA;

    US Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Rd., La Crosse, WI 54603, USA;

    US Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Rd., La Crosse, WI 54603, USA;

    US Environmental Protection Agency, Large Lakes Research Station, 9311 Groh Road, Crosse lie, MI 48138, USA;

    US Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Rd., La Crosse, WI 54603, USA;

    Wisconsin Department of Natural Resources, 107 Sutliff Avenue, Rhinelander, Wl 54501, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    mercury; tree swallow; metals; elements; wisconsin;

    机译：汞;树吞金属;元素;威斯康星州;

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