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Chalk streams and grazing mute swans

Wood, Kevin A.; Stillman, Richard A.; Daunt, Francis; O'Hare, Matthew T.. 2014 Chalk streams and grazing mute swans. British Wildlife, 25 (3). 171-176.

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Abstract/Summary

The evidence shows that swan grazing can reduce plant abundance, prevent flowering, reduce water depth and reduce fishery value. However, these effects seem to be limited to a small number of sites on larger chalk streams. The results of attempted management have been disappointing, and we currently have no simple effective means of preventing grazing damage. However, our understanding of the effects of swans on the chalk stream ecosystem has been growing rapidly, which gives us hope for future solutions. In particular, combining strategies which improve river condition and move swans away from sensitive areas could offer a way of managing grazing effects.

Item Type: Publication - Article
Programmes: CEH Topics & Objectives 2009 - 2012 > Water
CEH Sections/Science Areas: Watt
ISSN: 0958-0956
Additional Keywords: mute swans, chalk streams, grazing, herbivores, herbivory, River Frome, avian ecology, macrophytes, aquatic plants, water crowfoot, waterfowl
NORA Subject Terms: Ecology and Environment
Zoology
Botany
Related URLs:
Date made live: 24 Mar 2014 10:14 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/504980

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