Aquatic Invertebrates And Habitat At a Fixed Station On the Flathead River Sand
Aquatic Invertebrates And Habitat At a Fixed Station On the Flathead River Sand
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Bioassessment results are given in Table 2 When this bioassessment method is applied to these data, scores indicate that this site on the Flathead River is moderately impaired and only partially supports designated uses.
Table 2. Metric values, scores, and bioassessment for a fixed station on the Flathead River The revised bioassessment metric battery (Bollman 1998) was used for the evaluation. August 200 1 .
Flathead Ri\cr near Perma METRICS METRIC VALUES METRIC SCORES Ephemeroptcra richness 4... 2 Plecoptera richness Trichoptcra richness ■) 1 Number of sensitive taxa Percent filterers 7. 4 2 Percent tolerant taxa 82. 1 TOTAL SCORE (m;LX. = 18) 5 PERCENT OF MAX.
28 Impairment classification MODERATE USE SUPPORT PARTIAL The high biotic index value (6. 13) coupled with the low abundance of mayflies suggests that water quality was impaired at this site. Impairment could have been due to nutrient enrichment, temperature elevation, or both. No cold stenothermic animals were present in the sample; many representatives of taxa that prefer warm water conditions were collected These included the caddistlies Cheiimatupsyche sp dLnd Mystacides sp.
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To quickly assess the difficulty of the text, read a short excerpt:
Bioassessment results are given in Table 2 When this bioassessment method is applied to these data, scores indicate that this site on the Flathead River is moderately impaired and only partially supports designated uses.
Table 2. Metric values, scores, and bioassessment for a fixed station on the Flathead River The revised bioassessment metric battery (Bollman 1998) was used for the evaluation. August 200 1 .
Flathead Ri\cr near Perma METRICS METRIC VALUES METRIC SCORES Ephemeroptcra richness 4... 2 Plecoptera richness Trichoptcra richness ■) 1 Number of sensitive taxa Percent filterers 7. 4 2 Percent tolerant taxa 82. 1 TOTAL SCORE (m;LX. = 18) 5 PERCENT OF MAX.
28 Impairment classification MODERATE USE SUPPORT PARTIAL The high biotic index value (6. 13) coupled with the low abundance of mayflies suggests that water quality was impaired at this site. Impairment could have been due to nutrient enrichment, temperature elevation, or both. No cold stenothermic animals were present in the sample; many representatives of taxa that prefer warm water conditions were collected These included the caddistlies Cheiimatupsyche sp dLnd Mystacides sp.
What to read after Aquatic Invertebrates And Habitat At a Fixed Station On the Flathead River Sand?
You can find similar books in the "Read Also" column, or choose other free books by Wease Bollman to read onlineMoreLess
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