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The Utilization of Leaf Litter by Stream Detritivores
Abstract
Investigations of large and fine particle feeding detritivores (shredders and collectors) fed on conditioned hickory leaves (Carya glabra) revealed density—dependent intra— and interspecific interactions. Shredder (Tipula and Pycnopsyche) growth rates ranged from 0.47 to 1.53% increase in body wt/day depending upon density, species combinations, and culture temperature. Collector (Stenonema) growth rate ranged from 0.13 to 1.80% body wt/day, being greatest at high densities, particularly in combination with shredders. Food consumption ranged from 15.7 to 33.2% body wt/day for shredders and 4.0 to 23.2% body wt/day for collectors. After non—shredder feeding losses are accounted for, estimated shredder standing crop required to account for processing of report leaf litter inputs compare generally to measured shredder standing crop.
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Citations
Cited by
Herbivory in Relation to Plant Nitrogen Content
Mattson, W. J. (1980) · Annual Review of Ecology and Systematics · doi:10.1146/annurev.es.11.110180.001003 · Cited by 3,425
Structure and Function of Stream Ecosystems
Cummins, K. W. (1974) · BioScience · doi:10.2307/1296676 · Cited by 1,413
Self-citationThe Role of Macroinvertebrates in Stream Ecosystem Function
Wallace, J. B., & Webster, J. R. (1996) · Annual Review of Entomology · doi:10.1146/annurev.en.41.010196.000555 · Cited by 1,163
Differential support of lake food webs by three types of terrestrial organic carbon
Cole, J. J., Carpenter, S. R., Pace, M. L., Van de Bogert, M. C., Kitchell, J. L., & Hodgson, J. R. (2006) · Ecology Letters · doi:10.1111/j.1461-0248.2006.00898.x · Cited by 369
Metadata
- Authors
- Cummins, K. W., Petersen, R. C., Howard, F. O., Wuycheck, J. C., & Holt, V. I.
- Venue
- Ecology
- Publisher
- Wiley
- Published
- 1973-03
- Volume
- 54
- Issue
- 2
- Pages
- 336-345
- ISSN
- 0012-9658 (ISSN-L)
- 1939-9170
- OpenAlex
- W2090005805
- Cited by
- 346
- References
- 0
- FWCI
- 16.78
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cummins, K. W., Petersen, R. C., Howard, F. O., Wuycheck, J. C., & Holt, V. I. (1973). The Utilization of Leaf Litter by Stream Detritivores. Ecology. https://doi.org/10.2307/1934341
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
