California Department of Fish and Wildlife, Office of Spill Prevention and Response, Marine Wildlife Veterinary Care & Research Center, 1451 Shaffer Road, Santa Cruz, CA 95060, USA.
California Department of Fish and Wildlife, Office of Spill Prevention and Response, Marine Wildlife Veterinary Care & Research Center, 1451 Shaffer Road, Santa Cruz, CA 95060, USA; University of California Davis, Wildlife Health Center, Oiled Wildlife Care Network, 1 Shields Avenue, Davis, CA 95616, USA; Moss Landing Marine Laboratories, 8272 Moss Landing Road, Moss Landing, CA 95039, USA.
Mar Pollut Bull. 2014 Feb 15;79(1-2):155-63. doi: 10.1016/j.marpolbul.2013.12.023. Epub 2013 Dec 30.
We assessed temporal and spatial patterns of chronic oiling of seabirds in California during 2005-2010, using data on: (1) live oiled birds reported to the Oiled Wildlife Care Network (OWCN) from throughout the state, and (2) dead oiled birds found during systematic monthly beached-bird surveys in central California. A mean of 245 (± 141 SD) live miscellaneous oiled birds (not associated with known oil spills) were reported to the OWCN per year, and 0.1 oiled dead birds km(-1) per month were found on beach surveys in central California. Chemical fingerprinting of oiled feathers from a subset of these birds (n=101) indicated that 89% of samples tested were likely from natural petroleum seeps off southern and central California. There was a pronounced peak during late winter in the number of oiled birds reported in southern California, which we theorize may be related to large storm waves disturbing underwater seeps.
我们评估了 2005-2010 年期间加利福尼亚州海鸟慢性油污的时间和空间模式，使用的数据包括：(1) 从全州范围内报告给野生动物油污护理网络 (OWCN) 的活体受油污鸟类，以及 (2) 在加利福尼亚中部系统的每月海滩鸟类调查中发现的死亡受油污鸟类。OWCN 每年报告平均有 245 只(±141 只 SD)活体杂项受油污鸟类(与已知溢油无关)，在加利福尼亚中部的海滩调查中，每公里发现 0.1 只受油污死亡鸟类。对这些鸟类的一部分羽毛( n = 101)进行化学指纹分析表明，89%的测试样本可能来自加利福尼亚南部和中部的天然石油渗出物。在南部加利福尼亚报告的受油污鸟类数量在冬季后期出现明显高峰，我们推测这可能与大风暴波干扰水下渗出物有关。
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