NDLI: Evaluation of Deposited Sediment and Macroinvertebrate Metrics Used to Quantify Biological Response to Excessive Sedimentation in Agricultural Streams

Content Provider	Springer Nature Link
Author	Sutherland, Andrew B. Culp, Joseph M. Bey, Glenn A.
Copyright Year	2012
Abstract	The objective of this study was to evaluate which macroinvertebrate and deposited sediment metrics are best for determining effects of excessive sedimentation on stream integrity. Fifteen instream sediment metrics, with the strongest relationship to land cover, were compared to riffle macroinvertebrate metrics in streams ranging across a gradient of land disturbance. Six deposited sediment metrics were strongly related to the relative abundance of Ephemeroptera, Plecoptera and Trichoptera and six were strongly related to the modified family biotic index (MFBI). Few functional feeding groups and habit groups were significantly related to deposited sediment, and this may be related to the focus on riffle, rather than reach-wide macroinvertebrates, as reach-wide sediment metrics were more closely related to human land use. Our results suggest that the coarse-level deposited sediment metric, visual estimate of fines, and the coarse-level biological index, MFBI, may be useful in biomonitoring efforts aimed at determining the impact of anthropogenic sedimentation on stream biotic integrity.
Starting Page	50
Ending Page	63
Page Count	14
File Format	PDF
ISSN	0364152X
Journal	Environmental Management
Volume Number	50
Issue Number	1
e-ISSN	14321009
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-04-22
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Deposited sediment Sedimentation Bioindicators Agricultural streams Macroinvertebrates Nature Conservation Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Forestry Management Environmental Management Atmospheric Protection/Air Quality Control/Air Pollution Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology Pollution Global and Planetary Change

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