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A Mayfly - Ephemerella excrucians
General Description
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Species Range
Montana Range
Range Descriptions
Native
Observations in Montana Natural Heritage Program Database
Number of Observations: 333
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Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Stewardship Responsibility
Threats or Limiting Factors
All forms of stream quality degradation pose potential threats. These include siltation; pollution from agricultural and industrial waste; and hydrological alteration from drainage, dams, or withdrawal of excess water for human use.
References
- Additional ReferencesLegend:
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Baril, S.F. 1977. Benthic invertebrate distribution, abundance, and diversity in Rosebud Creek, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 97 p.- Brammer, J.A. 1991. The effects of supersaturation of dissolved gases on aquatic invertebrates of the Bighorn River downstream of Yellowtail Afterbay Dam. M. Sc. Thesis. Bozeman, MT: Montana State University. 132 p.
- Fraley, J.J. 1978. Effects of elevated summer water temperatures below Ennis Reservoir on the microinvertebrates of the Madison River, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 120 p.
- Garrett, P.A. 1973. The distribution and abundance of aquatic insects in the Middle West Gallatin drainage. M.Sc. Thesis. Bozeman, Montana: Montana State University. 60 p.
- Glorvigen, T.H. 1972. The responses of insect communities in the East Gallatin River, Montana, to sewage effluents. M.Sc. Thesis. Bozeman, Montana: Montana State University. 24 p.
- Gustafson, D. L. 1990. Ecology of aquatic insects in the Gallatin River drainage. Ph.D. Dissertation. Bozeman, MT: Montana State University. 194 p.
- Heaton, J.R. 1966. The benthos and drift fauna of a riffle in the Madison River, Yellowstone National Park. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 59 p.
- Hendricks, P., S. Lenard, D.M. Stagliano, and B.A. Maxell. 2013. Baseline nongame wildlife surveys on the Fort Peck Indian Reservation. Report to the Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation. Montana Natural Heritage Program, Helena, MT. 83 p.
- Oasis Environmental. 2011. Benthic macroinvertebrate recolonization in the varial zone of the Kootenai River, Montana. Bigfork, MT. Prepared for Montana Fish, Wildlife, and Parks. 79 p.
- Oswald, R.A. 1979. Observations of distribution, abundance and production-related aspects of aquatic macroinvertebrates in natural thermal gradients. M.Sc. Thesis. Bozeman, Montana: Montana State University. 137 p.
- Vincent, E.R. 1966. A comparison of riffle insect populations in the Gibbon River above and below the geyser basins, Yellowstone National Park. M.Sc. Thesis. Bozeman, MT: Montana State University. 19 p.
- Zillges, G.F. Jr. 1971. The aquatic insects of Bluewater Creek, Montana, above and below an area of intensive agriculture. M.Sc. Thesis. Bozeman, MT: Montana State University. 29 p.
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