首页> 外文OA文献 >Control of California sea lion predation of winter-run steelhead at the Hiram M. Chittenden Locks, Seattle, December 1985-April 1986 with observations on sea lion abundance and distribution in Puget Sound

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Control of California sea lion predation of winter-run steelhead at the Hiram M. Chittenden Locks, Seattle, December 1985-April 1986 with observations on sea lion abundance and distribution in Puget Sound

机译：1985年12月至1986年4月，在西雅图希拉姆·奇滕登·洛克斯（Hiram M. Chittenden Locks）控制加利福尼亚海狮捕食冬季海狮的行为，并观察了普吉特海湾海狮的丰度和分布

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A study/predation control program was conducted at the Hiram M. Chittenden Locks in Seattle, Washington from 20 December through 23 April 1986. The principal objectives were to document the rate and effects of predation on winter-run steelhead (Salmo gairdneri Richardson) by California sea lions (Zalophus californianus); to control and minimize predation in order to increase the escapement of wild winter-runs to the Lake Washington watershed; to evaluate and recommend potential long term procedures for control of steelhead predation; and to document the abundance and distribution of California sea lions in Puget Sound.

机译：1986年12月20日至4月23日，在华盛顿州西雅图的希兰姆·奇滕登·洛克斯实验室进行了一项研究/捕食控制计划。主要目标是记录捕食对冬季运行的硬头（Salmo gairdneri Richardson）的速率和影响。加州海狮（Zalophus californianus）;控制和减少捕食，以增加野生冬季逃逸到华盛顿湖的分水岭；评估并建议可能的长期措施来控制硬头鱼的捕食；并记录普吉特海湾中加州海狮的数量和分布。

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Gearin Patrick; Pfeifer Bob; Jeffries Steven;
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年度 1986
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Control of California sea lion predation of winter-run steelhead at the Hiram M. Chittenden Locks, Seattle, December 1985-April 1986 with observations on sea lion abundance and distribution in Puget Sound

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