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首页> 外文期刊>Archives of Environmental Contamination and Toxicology >Lead Toxicosis and Trace Element Levels in Wild Birds and Mammals at a Firearms Training Facility
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Lead Toxicosis and Trace Element Levels in Wild Birds and Mammals at a Firearms Training Facility

机译：枪支训练设施中野生鸟类和哺乳动物的铅中毒和微量元素含量

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In May 1999, lead poisoning was diagnosed in a yellow-rumped warbler (Dendroica coronata) and a gray squirrel (Sciurus carolinensis) found at the Federal Law Enforcement Training Center (FLETC), Glynn County, GA, based on detection of 6.2 and 90.0 ppm wet weight (WW) lead in the liver of the warbler and squirrel, respectively. From October 21–26, 1999, 72 wild animals (37 mammals and 35 birds), comprised of 22 different species, were collected from a 24-ha area surrounding the FLETC outdoor firearms shooting range complex to evaluate exposure to lead and other trace elements. Ten animals were used as controls (five mammals and five birds) and were collected from areas 1.5–3 km outside the shooting range area. Kidney and liver tissues were analyzed for lead, zinc, and other trace elements. Bird gizzards and white-tailed deer abomasums were examined grossly and radiographically to detect metallic objects. Twenty-four (33.3%) animals (11 species) had kidney or liver tissue lead levels > 1.00 ppm, and 12 of these (6 species) had levels > 2.00 ppm. Carcasses of one brown-thrasher (Toxostoma rufum) and two white-tailed deer (Odocoileus virginianus) contained lead fragments. Elevated liver tissue levels of zinc (111.0 ppm) were detected in one brown thrasher that also had elevated kidney and liver tissue lead levels. In February 2000, seven yellow-rumped warblers and one solitary vireo (Vireo solitarius) found dead near the FLETC firearms shooting range also were diagnosed with lead poisoning, with liver and kidney tissue lead levels from 1.77–11.6 and 4.55–17.8 ppm WW, respectively. This frequency of elevated tissue lead levels among the animals examined, in combination with confirmed lead toxicosis in both avian and mammalian species at FLETC, indicates significant lead exposure of local wild bird and mammal communities via bullets and fragments in and on the soil surface of the four outdoor ranges. Most FLETC firearms training is being shifted to new baffled ranges (four walls with semiopen top) with bullet recovery capabilities to preclude future deposition of lead in the environment; existing outdoor ranges will be remediated to remove existing lead.
机译：1999年5月，在检测到6.2和90.0的基础上，在佐治亚州格林县的联邦执法培训中心（FLETC）发现了黄腰莺（Dendroica coronata）和灰松鼠（Sciurus carolinensis）铅中毒。 ppm湿重（WW）分别位于莺和松鼠的肝脏中。从1999年10月21日至26日，从FLETC户外枪支射击靶场周围的24公顷地区收集了72种野生动物（37种哺乳动物和35种鸟类），其中22种不同，以评估铅和其他微量元素的暴露。十只动物被用作对照（五只哺乳动物和五只鸟），并从射击范围以外的1.5–3 km区域收集。分析肾脏和肝组织中的铅，锌和其他微量元素。对鸟g和白尾鹿的厌恶物进行了严格的射线照相检查，以检测出金属物体。二十四（33.3％）只动物（11种）的肾脏或肝脏组织铅水平> 1.00 ppm，其中12只（6种）的铅水平> 2.00 ppm。一只棕色-子（Toxostoma rufum）和两只白尾鹿（Odocoileus virginianus）的尸体包含铅碎片。在一个棕色th子中检测到肝组织中锌的含量升高（111.0 ppm），而锌和肾组织中的铅含量也升高。 2000年2月，在FLETC枪支射击场附近被发现死亡的七只黄腰莺和一名孤单毒株（Vireo solitarius）也被诊断出铅中毒，肝脏和肾脏组织的铅含量分别为WW的1.77-11.6和4.55-17.8 ppm，分别。被检查动物体内组织铅水平升高的频率，再加上FLETC在禽类和哺乳动物中证实的铅中毒现象，表明当地野生鸟类和哺乳动物群落通过子弹和土壤表面和表面上的碎片显着暴露铅。四个室外范围。大部分FLETC枪支训练都转移到了新的令人困惑的范围（四堵半开顶的墙壁）上，具有子弹回收功能，可以防止将来铅在环境中的沉积；现有的户外范围将得到补救，以消除现有的铅。

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    L. A. Lewis; R. J. Poppenga; W. R. Davidson; J. R. Fischer; K. A. Morgan;

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    Southeastern Cooperative Wildlife Disease Study College of Veterinary Medicine The University of Georgia Athens Georgia 30602 USA;

    D. B. Warnell School of Forest Resources The University of Georgia Athens Georgia 30602 USA;

    Southeastern Cooperative Wildlife Disease Study College of Veterinary Medicine The University of Georgia Athens Georgia 30602 USA;

    Southeastern Cooperative Wildlife Disease Study College of Veterinary Medicine The University of Georgia Athens Georgia 30602 USA;

    Environmental and Safety Division Federal Law Enforcement Training Center U.S. Department of the Treasury Glynco Georgia 31524 USA;

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