Benthic invertebrate community structure is influenced by forest succession after clearcut logging in southeastern Alaska
Hydrobiologia
By: O. Hernandez, R.W. Merritt, and M.S. Wipfli
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Abstract
To assess the effects of timber harvesting on headwater streams in upland forests, benthic community structure was contrasted among four dominant forest management types (old growth, red alder-dominated young growth, conifer-dominated young growth, clearcut) and instream habitats (woody debris, cobble, gravel) in southeastern Alaska. Benthos in streams of previously harvested areas resulted in increased richness, densities and biomass relative to old growth types, particularly in young growth stands with a red alder-dominated riparian canopy. Woody debris and gravel habitats supported a combination of higher densities and biomass of invertebrates than cobble habitats. In addition, woody debris also supported a richer and more diverse invertebrate fauna than either cobble or gravel substrates. Maintaining both a woody debris source and a red alder component in regenerating riparian forests following timber harvesting should support greater invertebrate densities and diversity following clearcutting. ?? Springer 2005.
Suggested Citation
Hernandez, O., Merritt, R., and Wipfli, M., 2005, Benthic invertebrate community structure is influenced by forest succession after clearcut logging in southeastern Alaska: Hydrobiologia, v. 533, no. 1, p. 45-59, https://doi.org/10.1007/s10750-004-2105-6.
ISSN: 1573-5117 (online)
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Benthic invertebrate community structure is influenced by forest succession after clearcut logging in southeastern Alaska |
| Series title | Hydrobiologia |
| DOI | 10.1007/s10750-004-2105-6 |
| Volume | 533 |
| Issue | 1 |
| Year Published | 2005 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Hydrobiologia |
| First page | 45 |
| Last page | 59 |