. Aquatic surveys and assessment of the Slim Buttes region of Harding and Butte Co., SD . Aquatic invertebrates; Aquatic invertebrates; Stream ecology; Stream ecology; Watershed ecology; Watershed ecology. Table 3. Impairment determinations from the MMI and O/E (RIVPACS) models (taken from Jessup et al. 2005, Feldman 2006). Ecoregion [RIVPACS |MMI |lmpairment Determination Mountain Low Valley Eastern Plains > or< > or< > or < >63 48 37 <37 Not impaired Impaired Not impaired Impaired Not impaired Impaired Dragonflies and Damselflies Inciden
. Aquatic surveys and assessment of the Slim Buttes region of Harding and Butte Co., SD . Aquatic invertebrates; Aquatic invertebrates; Stream ecology; Stream ecology; Watershed ecology; Watershed ecology. Table 3. Impairment determinations from the MMI and O/E (RIVPACS) models (taken from Jessup et al. 2005, Feldman 2006). Ecoregion [RIVPACS |MMI |lmpairment Determination Mountain Low Valley Eastern Plains > or< > or< > or < >63 48 37 <37 Not impaired Impaired Not impaired Impaired Not impaired Impaired Dragonflies and Damselflies Incidental dragonfly and damselfly observations were made and recorded during the fish and macroinvertebrate surveys. The dragonfly identifications and observations were usually done on the wing, but we did collect numerous damselflies and an occasional reference dragonfly using an aerial sweep net along the riparian vegetation (Figure 9).. Figure 9. Dragonfly observations were made in the stream reach. This is an eight-spotted skimmer (L ibellula for ens is).. 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 State Library; Montana Natural Heritage Program; Montana Natural Resource Information System. Helena, MT : Montana Natural Heritage Program
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