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Evidence of change in the macrofauna of tidal flats subject to anthropomorphic impacts in north‐east England

Evidence of change in the macrofauna of tidal flats subject to anthropomorphic impacts in... The study assessed differences that have occurred in macrofaunal assemblages of tidal flats subject to anthropomorphic impacts in north‐east England between 1931, when they were surveyed by Brady (1943), and 1991. The dominant members of the assemblages were the same for both surveys, and almost all the taxa recorded by Brady were present in 1991. There were also similar groupings of data from individual sampling stations by MDS ordination of the 1931 and and 1991 results. There is nevertheless evidence of change of two kinds. First, the Arenicola/Scoloplos/Cerastoderma/Macoma community, which was characteristic of the entire tidal flats at Budle Bay in 1931, had been replaced in north‐west corner of the Bay by an oligochaete‐dominated community in 1991. Second, numerical densities of macrofauna were much higher in 1991 than in 1931 at each of the study sites. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aquatic Conservation: Marine and Freshwater Ecosystems Wiley

Evidence of change in the macrofauna of tidal flats subject to anthropomorphic impacts in north‐east England

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References (23)

Publisher
Wiley
Copyright
Copyright © 1994 John Wiley & Sons, Ltd
ISSN
1052-7613
eISSN
1099-0755
DOI
10.1002/aqc.3270040405
Publisher site
See Article on Publisher Site

Abstract

The study assessed differences that have occurred in macrofaunal assemblages of tidal flats subject to anthropomorphic impacts in north‐east England between 1931, when they were surveyed by Brady (1943), and 1991. The dominant members of the assemblages were the same for both surveys, and almost all the taxa recorded by Brady were present in 1991. There were also similar groupings of data from individual sampling stations by MDS ordination of the 1931 and and 1991 results. There is nevertheless evidence of change of two kinds. First, the Arenicola/Scoloplos/Cerastoderma/Macoma community, which was characteristic of the entire tidal flats at Budle Bay in 1931, had been replaced in north‐west corner of the Bay by an oligochaete‐dominated community in 1991. Second, numerical densities of macrofauna were much higher in 1991 than in 1931 at each of the study sites.

Journal

Aquatic Conservation: Marine and Freshwater EcosystemsWiley

Published: Dec 1, 1994

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