Journal ArticleDOI
Breakdown of Leaves by Feeding of Peltoperla maria Nymphs(Plecoptera: Peltoperlidae)
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Feeding studies revealed that P. maria had definite preferences for specific kinds of leaves; Elm, alder, sourwood, and dogwood were the most preferred; rhododendron, white pine, white oak, and chestnut oak were the least preferred.Abstract:
Nymphs of Peltoperla maria Needham & Smith were exposed to 15 species of autumn-shed leaves in the laboratory. The insects fed on the cuticle and mesophyll of the leaves, leaving most of the vascular system intact. This feeding resulted in a characteristic skeletonized pattern to the leaves. The insects consumed leaves inamounts (by dry weight) in excess of their dry body weight in a 2-week period. Feeding studies revealed that P. maria had definite preferences for specific kinds of leaves. Elm, alder, sourwood, and dogwood were the most preferred; rhododendron, white pine, white oak, and chestnut oak were the least preferred. There was evidently increased leaching of tannic acid from leaves on which the insects were feeding. The higher tannic acid content of the water from feeding containers was apparentlya result of increased leaching from the finely ground leaf material in the fecal pellets.read more
Citations
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Journal ArticleDOI
Structure and Function of Stream Ecosystems
TL;DR: There is a need to identify functional groups of organisms, at least partially independent of traditional taxonomic determinations, in order to address important process-oriented ecological questions.
Journal ArticleDOI
Leaf processing in a woodland stream
TL;DR: Evidence suggests that differential invertebrate colonization of leaf packs is a function of microbial colonization and conditioning, and significant differences between fall and winter processing and between the two sites are not.
Journal ArticleDOI
A review of allochthonous organic matter dynamics and metabolism in streams
Jennifer L. Tank,Emma J. Rosi-Marshall,Natalie A. Griffiths,Sally A. Entrekin,Mia L. Stephen +4 more
TL;DR: The role of allochthonous organic matter in lotic ecosystems has been an important research topic among aquatic ecologists since the seminal work by Lindeman was published in 1942 as mentioned in this paper.
Journal ArticleDOI
The trophic ecology of freshwater gammarus spp. (crustacea: amphipoda): problems and perspectives concerning the functional feeding group concept
TL;DR: It is shown that a far wider food base is exploited than has been previously acknowledged in Gammarus spp.
References
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Journal ArticleDOI
Role of Allochthonous Detritus in the Trophic Structure of a Woodland Springbrook Community
TL;DR: Analysis of gut contents and determination of the principal pathways of energy flow in the stream indicate that imported organic matter in the form of allochthonous leaf materials provides the main source of energy for the primary consumers and, indirectly, for the entire benthic community of Morgan's Creek.
Journal ArticleDOI
The Distributional Relationship between the Bottom Fauna and Plant Detritus in Streams
Journal ArticleDOI
Experimental Study on the Role of Autumnshed Leaves in Aquatic Environments
N. K. Kaushik,H. B. N. Hynes +1 more
Journal ArticleDOI
The taxonomy and ecology of the nymphs of british plecoptera with notes on the adults and eggs
Journal ArticleDOI
Role of detritus in the productivity of a rock‐outcrop community in a piedmont stream
Daniel J. Nelson,Donald C. Scott +1 more
TL;DR: In this article, a rock outcrop community in a typical southern Piedmont stream was studied to determine its trophic structure and productivity, and it was found that the primary consumer organisms derived 66% of their energy from allochthonous organic matter consisting largely of leaf material.
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