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首页> 美国政府科技报告 >Animas River Fish Passage and Canal Entrainment Evaluation and Recommendations. Animas-La Plata Project, Colorado and New Mexico Upper Colorado Region. Managing Water in the West
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Animas River Fish Passage and Canal Entrainment Evaluation and Recommendations. Animas-La Plata Project, Colorado and New Mexico Upper Colorado Region. Managing Water in the West

机译：阿尼马斯河鱼类通道和运河夹带评估和建议。 animas-La plata项目，科罗拉多州和新墨西哥州上科罗拉多州。管理西方的水资源

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To meet an environmental commitment in the 2000 the Animas-La Plata Project Final Supplemental Environmental Impact Statement (FSEIS), the Bureau of Reclamation (Reclamation) evaluated the significance of the City of Farmingtons Animas Pump Station No. 2 (APS) and Farmers Ditch Diversion (FDD) as movement barriers for flannelmouth suckers (Catostomus latipinnis or FMS) and bluehead suckers (C. discobolus discobolus or BHS) as well as the issue of small/young-of-the-year (YOY) native sucker entrainment losses into canals. A portion of both native sucker populations of sexually mature size were capable of ascending both diversions. Too few bluehead suckers were recaptured to allow for effective statistical analysis, but significantly more recaptured FMS ascended the APS than the FDD. The APS does not appear to be a significant barrier to fish over 400 mm in length while its gates are open, however the FDD is a more substantial barrier lacking in-channel gates. Both diversions are barriers to juvenile sucker movement, but to what degree could not be statistically determined as recaptures of smaller fish was under-represented.

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