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Last modified
7/14/2009 5:02:36 PM
Creation date
5/18/2009 12:09:01 AM
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UCREFRP
UCREFRP Catalog Number
9552
Author
U.S. Fish and Wildlife Service.
Title
Management Plan for the Big-River Fishes of the Lower Colorado River Basin
USFW Year
2004.
USFW - Doc Type
amendment and supplement to the Bonytail, Humpback chub, Colorado pikeminnow, and Razorback sucker Recovery Plans.
Copyright Material
NO
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<br /> <br />' <br /> Colorado River. The Department has not given a position on repatriation <br /> of the Colorado pikeminnow in the Colorado River mainstem, but it e <br /> already manages 10Q) repatriation efforts for the species in Central <br /> Arizona. In addition to the 12-step process, any repatriation proposal or <br /> <br />' implementation effort in Arizona would be guided by recovery objectives <br />and objective scientific evaluation of opportunities to achieve recovery <br /> objectives. Collaborative state-federal development of a 4(d) rule would <br /> <br />' allow states to address incidental take or eventual management of <br />repatriated populations as a sport fishery <br /> . <br />' In California, the Colorado pikeminnow is a "fully protected" species under <br />California Fish and Game Code and 5515. This designation thus limits <br /> potential management options, and CDFG is unable to authorize take of <br /> this species. Without the current "fully protected" issues associated with <br /> Colorado pikeminnow, a 10(j) designation and/or a 4d rule, and creation of <br /> a 10(j) type tool under the California Endangered Species Act might be <br /> feasible. In addition, a nonessential designation may allow sportfishing <br />' opportunities and access to Sport Fish Restoration Act funding <br /> opportunities and resources, as well as broad public support for the <br />' repatriation efforts. <br /> Applicable Recovery Goals and Management Strategies: <br />' Recovery Goal (provisional): Establish and maintain one self- <br /> sustaining population while moving toward recovery. (See Lake <br /> Mohave Subunit and Appendix I for provisional downlisting and <br /> delisting criteria). <br />' Management Strategies: This Recovery Goal will be met through <br /> _ the use of Strategy 1: Augmentation. <br />' Razorback Sucker <br /> Current Status and Recovery Efforts: Razorback sucker occurred in this <br />' subunit in large numbers until the 1950s when the population began to fail <br /> (Mueller and Marsh 2003). Small numbers of wild individuals persist in <br /> the reach today but the population size is unknown. Currently, 7,500 <br />' individuals have been released by AGFD/USBR into this subunit. These <br /> releases are being monitored; however, this monitoring program is in its <br /> -- <br />' ~ 31 <br /> <br />
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