A Mayfly - Ephemerella dorothea
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Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
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.
- Additional ReferencesLegend: View Online Publication
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- Lainhart, R.D. 1973. Interaction of substrate particle size and other habitat variables, and their relation to the microdistribution of benthos in a Montana spring-stream. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 124 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.
- Additional Sources of Information Related to "Insects"