Stream macroinvertebrate baseline surveys: A comparative analysis from the oil-shale regions of Colorado,USA |
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Authors: | Don C Erman |
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Institution: | (1) Department of Forestry and Resource Management, University of California, 94720 Berkeley, California |
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Abstract: | General surveys of the benthic macroinvertebrates from Piceance Creek and the White River were conducted for nearly a decade prior to oil-shale exploitation in north central Colorado, USA. Comparison of the taxa collected in four studies on Piceance Creek and five studies on the White River shows little similarity among most studies. Studies were generally consistent in methods, site selection, and time of year for collection. Lack of agreement among the studies on what constitutes a baseline of common taxa is probably a result of taxonomic difficulties and differences in technique. More emphasis should be placed on testing possible impacts than on repeated, expensive, and inconclusive baseline inventories. |
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Keywords: | Baseline Benthos Environmental impact Macroinvertebrates Oil shale Piceance Creek White River |
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