Species composition, abundance and emergence phenology of midges (Deiptera: Chironomidae) in a brown-water stream of West-Central Alberta, Canada

@article{Boerger2004SpeciesCA,
  title={Species composition, abundance and emergence phenology of midges (Deiptera: Chironomidae) in a brown-water stream of West-Central Alberta, Canada},
  author={Hans Boerger},
  journal={Hydrobiologia},
  year={2004},
  volume={80},
  pages={7-30}
}
Sixteen floating, box type emergence traps, each covering 0.1 m2, were placed along 150 m of a third-order stretch of the Bigoray River, a slow-flowing, vegetation-choked, brown-water muskeg stream. Effects of trap design, trap shading, length of sampling interval, and stream velocity on the number of midges caught was examined. Of the 112 species of Chironomidae caught, 32 species made up 90% of the catch and their emergence phenology is described in detail. There were more rare species than… CONTINUE READING

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