Invertebrate composition and abundance associated with Didymosphenia geminata in a montane stream
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Abstract
Didymosphenia geminata, a relatively new aquatic nuisance species that can form extensive, mucilaginous mats on stream substrates, was reported from Rapid Creek, South Dakota in 2002. To examine the association between D. geminata and the invertebrate community in Rapid Creek, macroinvertebrates were quantified using three gear types in the fall of 2006. D. geminata was present at two of four sites sampled (range = 5.53 to 809.68 g m−2 dry mass). At each site, invertebrates were collected using dip nets, Surber samplers, and drift nets. The combined percentage of Ephemeroptera, Plecoptera, and Trichoptera in areas with D. geminata was lower (41%) than in areas without D. geminata (76%). Diptera abundance was higher at sites with D. geminata than in sites where D. geminata was absent.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Invertebrate composition and abundance associated with Didymosphenia geminata in a montane stream |
| Series title | Journal of Freshwater Ecology |
| DOI | 10.1080/02705060.2010.9665073 |
| Volume | 25 |
| Issue | 2 |
| Year Published | 2010 |
| Language | English |
| Publisher | Taylor & Francis |
| Contributing office(s) | Coop Res Unit Leetown |
| Description | 7 p. |
| First page | 235 |
| Last page | 241 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |