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Biological Assessment on the Operation of Glen Canyon Dam and Proposed Experimental Flows for the Colorado River Below Glen Canyon Dam During the Years 2008-2012
The basis of this request is new information that may reveal effects of dam operations that may affect listed species including Kanab ambersnail (Oxyloma haydeni kanabensis), humpback chub (Gila cypha), razorback sucker (Xyrauchen texanus), and southwestern willow flycatcher (Empidonax traillii extimus), or designated critical habitat in a manner or to an extent not previously considered. In addition to this new information, Reclamation is proposing experimental modifications of dam operations through water year 2012, as are described in detail in the attached Biological Assessment.
Biological Assessment on the Operation of Glen Canyon Dam and Proposed Experimental Flows for the Colorado River Below Glen Canyon Dam During the Years 2008-2012
The basis of this request is new information that may reveal effects of dam operations that may affect listed species including Kanab ambersnail (Oxyloma haydeni kanabensis), humpback chub (Gila cypha), razorback sucker (Xyrauchen texanus), and southwestern willow flycatcher (Empidonax traillii extimus), or designated critical habitat in a manner or to an extent not previously considered. In addition to this new information, Reclamation is proposing experimental modifications of dam operations through water year 2012, as are described in detail in the attached Biological Assessment.
Biological Assessment on the Operation of Glen Canyon Dam and Proposed Experimental Flows for the Colorado River Below Glen Canyon Dam During the Years 2008-2012
2007
148 pages
Report
No indication
English
Fisheries & Aquaculture , Ecology , Natural Resource Management , Biological assessments , Fishery management , Fish passage facilities , Dams , Biological effects , Habitats , Water flows , Environmental baselines , Actions taken , Effects analyses , Incidental takes , Conservation measures , Literature reviews , Glen Canyon Dam , Colorado River , Bureau of Reclamation
Engineering Index Backfile | 1961
|Engineering Index Backfile | 1957
NTIS | 2006
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