. Assessment of aquatic macroinvertebrates in USFS / BLM Lands of the Crooked and Sage Creek Watersheds [electronic resource]. Bycatches; Bycatches (Fisheries); Evaluation. Sage Creek Mainstem (YL Pr212) Ecoregion: Bighorn-Pryor Foothills/Wyoming Basin (Typical) Aquatic Ecological System Type: Small Transitional Foothills Stream (AES COOly) Key Environmental Factors: Riparian Grazing & Cattle Use—moderate impacts upstream, none in the immediate area. Heavy sediment loading from upstream riparian cattle use. Rare or Unique Species: No SOC species, but a two unique riffle beetles, Lara avara
. Assessment of aquatic macroinvertebrates in USFS / BLM Lands of the Crooked and Sage Creek Watersheds [electronic resource]. Bycatches; Bycatches (Fisheries); Evaluation. Sage Creek Mainstem (YL Pr212) Ecoregion: Bighorn-Pryor Foothills/Wyoming Basin (Typical) Aquatic Ecological System Type: Small Transitional Foothills Stream (AES COOly) Key Environmental Factors: Riparian Grazing & Cattle Use—moderate impacts upstream, none in the immediate area. Heavy sediment loading from upstream riparian cattle use. Rare or Unique Species: No SOC species, but a two unique riffle beetles, Lara avara and Narpus concolor (cold- water obligate coleopteran taxa). Introduced/Exotic Species: None documented Geomorphology: Rosgen F4 Overall Ecological Site Condition: Degraded trending to Fair with improved instream habitat conditions and upstream cattle management. Riparian Ranking: BLM= 19 (79%) Functional At Risk Riparian Condition (FAR) Macroinvertebrate Community Quality: A fairly diverse community of 39 taxa, including 4 cold-water obligate taxa, despite some obvious impairments from sediment loading issues, riparian degradation and heavy patches of aquatic vegetation. Community species are indicative of warmer water temps and dominance of finer benthic substrates. Macroinvertebrate Community Quality: DEQ MMI= Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stagliano, David M; Montana Natural Heritage Program; United States. Forest Service. Helena (Mont. ) : Montana Natural Heritage Program
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