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River Habitat Mapping: are Surface Flow Type Habitats Biologically Distinct?

Hill, Graham and Maddock, Ian and Bickerton, Melanie (2008) River Habitat Mapping: are Surface Flow Type Habitats Biologically Distinct? In: Sustainable Hydrology for the 21st Century, 15-17 September 2008, University of Exeter.

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Abstract

Current river habitat mapping uses several methods, many relying on descriptions of habitat units based on depth, velocity, substrate and water surface patterns. Water surface patterns are controlled by local geomorphology and hydraulics and can be remotely sensed, if surface flow type habitats are physically and biologically distinctive this may provide a faster surveying method. Six UK lowland rivers were investigated, surface flow types were mapped and the physical characteristics of each habitat unit recorded. Samples of benthic macroinvertebrates were taken from representative units and quantified. The results show that habitat mapping, using surface flow types in small lowland streams, is viable and that those habitats have some degree of physical distinctiveness. Analysis of benthic macroinvertebrate communities shows that there is some association with mapped habitats, and therefore are potentially biologically relevant.

Item Type: Conference or Workshop Item (Paper)
Additional Information:

This paper was presented at the BHS National Hydrology Symposium 2008.

Uncontrolled Keywords: river habitat mapping, surface flow types, mesohabitats, hydroecology
Subjects: G Geography. Anthropology. Recreation > GB Physical geography
G Geography. Anthropology. Recreation > GE Environmental Sciences
Divisions: Academic Departments > Institute of Science and the Environment
Depositing User: Graham Hill
Date Deposited: 06 Nov 2009 09:02
Last Modified: 31 Mar 2010 05:00
URI: https://eprints.worc.ac.uk/id/eprint/767

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