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Drift Net Deployment to Sample Aquatic Invertebrates
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Wayne Wurtsbaugh
Registered: January 2000
Posts: 497
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Two students deploy paired drift nets to collect insects and other organisms drifting in the current. Organisms drift to disperse or perhaps because they have been involuntarily dislodged from the substrate. Fish such as trout feed heavily on drifting insects.
Little Bear River above Porcupine Reservoir (Utah, USA).
Photo: 31 October 2008
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| · Date: November 8, 2008 · Views: 8,824 · Filesize: 92.3kb, 1168.0kb · Dimensions: 1280 x 841 ·
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Keywords: benthos, NABS, invertebrates, insects, food web, method, education, EPT
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