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Last modified
7/14/2009 5:02:32 PM
Creation date
5/17/2009 11:32:34 PM
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UCREFRP
UCREFRP Catalog Number
8067
Author
Nance, E. L.
Title
Planktonic and Benthic Invertebrate Densities in Three Backwater Habitats on the Lower Green River Final Report.
USFW Year
1997.
USFW - Doc Type
Grand Junction, CO.
Copyright Material
NO
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<br />SM.1PLE DATE ANDERSON <br />14 MAY 2.78 :f: 0.69 <br />21 MAY 8.30 :f: 3.30 <br />28 MAY 7.50:f: 1.58 <br />04 JUN 7.08 :f: 1.46 <br />11 JUN 20.80 :f: 5.08 <br /> <br />Table 3: Average zooplankton densities (organisms/l:f: SD) from five nightly vertical <br />plankton tows. <br /> <br />100% <br />90% <br />80% <br />700/0 <br />60% <br />60% <br />40% <br />30% <br />20% <br />10% <br />0% <br /> <br /> <br />. Other <br />m Nauplii <br />D Copepoda <br />. Rotifera <br />. Nematoda <br /> <br />14-May <br /> <br />21-May <br /> <br />28-May <br /> <br />4-Jun <br /> <br />11-Jun <br /> <br />Figure 7: Percent composition of dominant zooplankton in nighttime samples in <br />Anderson Bottom. <br /> <br />Abiotic measurements <br /> <br />Water temperatures from the beginning of May until mid June ranged from 17-230 C at 5 <br />cm, and 16-200 C at 122 cm at all sites (Tables 4-6). The daily mean flow at the <br />beginning of the study averaged 12,700 cfs, with flows peaking on 12 Jun at 30,300 cfs. <br /> <br />11 <br />
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