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WSP04555
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Last modified
1/26/2010 12:56:03 PM
Creation date
10/12/2006 12:25:57 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8240.200.14.D
Description
UCRBRIP Biology Committee
State
CO
Basin
Colorado Mainstem
Date
1/1/1996
Author
CWCB
Title
Biology Committee Review of Scopes of Work
Water Supply Pro - Doc Type
Report/Study
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<br />Year 2 aod 3 <br /> <br />If the flow regLrne of the Price River follows/parallels the yea~ 1 flow <br />regime, only the stations established during year 1 will be sampLed wLth <br />the methods described above. If the flow regime of the Price River is <br />different (e.g. highe~ or lower peak flows, longer or sho~ter duration <br />af peak flows) than the flc~g present during year 1, the above ~ethods <br />for yaar 1 will be used. We feel that native and possibly nonnativ2 <br />fishes may utilize the Price River differently-depending on the flow <br />.regime for a given year. Therefore, to adequately evaluate the <br />importance of the Price River, sampling needs to take place under <br />different flow regimes. <br /> <br />Obiective 2. The Price River will be sampled in conjunction with <br />post-spawn adult/juvenile sampling trips. Seining will be con~ucted in <br />low-velocity areas (e.g., side channels, isolated pools, backwaters) <br />within all the monitoring stations. Light traps will be utilized in the <br />two stations between Woodside, UT and the confluence with the Green <br />River (one station will be directly below Woodside and one station will <br />be directly upstream from and include the confluence). All age-O fish <br />that can not be identified will be preserved and identified at a later <br />date. <br /> <br />Obiectivp. 3. The lower Price River will be sampled at least monthly <br />from April-September (in conjunction with Objectives 1-2). Additional <br />sampling trips will be completed on the lo~er Price River during 1) the <br />ascending and descending limb of the spring hydrograph to deterrnin~ pre- <br />and post-spawn U3e by roainstem adul~ endange~ed fishes and 2) du~ing <br />larval d~ift periods to determine if larval endangered fishes utilize <br />the lower Price River. If there is r.o evidence of ~paw~ir.g in the <br />upstr~am reaches of the Price River, any larval utilization in the lower <br />Price River will be attributed to drift from Oesc/Grey. <br /> <br />~ctive 4. During sampling trips for Objectives 1-3, basic <br />physicochemical data (e.g. wa~er temperature, TOS, diss~lved oxygen, <br />etc.) will be collected. These data, results from Objectives 1-3 (e.g. <br />distribution and abundance patterns of native and nonnative fishes), and <br />additional available physical, chemical, historic and present <br />hydrological (e.g. frequency, virgin flows, overall contribution to the <br />Green River, etc.), and biological data from the Price River will be <br />synthesized from U.s. Geological Survey, Utah State Department of <br />Health, and other available sources to determine the overall <br />contribution and biological importance of the price River to endangered <br />fishes and the importance of the Price River to the Green River system. <br /> <br />VII. Task Description (FY 1996): <br /> <br />As outlined above. Each objective represents a task. <br /> <br />VIII. Study Schedule: <br /> <br />FY-96: <br /> <br />Tasks 1-4 <br />A field trip summary report for each sampling trip is due 2 <br />weeks following a trip. <br />
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