Aquatic and terrestrial invertebrate community responses to drying in chalk streams

Bunting, G., England, J., Gething, K. ORCID: 0000-0002-4997-0249, Sykes, T., Webb, J. and Stubbington, R. ORCID: 0000-0001-8475-5109, 2021. Aquatic and terrestrial invertebrate community responses to drying in chalk streams. Water and Environment Journal, 35 (1), pp. 229-241. ISSN 1747-6585

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Temporary streams are dynamic ecosystems that shift between wet and dry states and include the ‘winterbourne’ chalk streams of south England. Our understanding of temporary stream biodiversity is biased, with most research to date exploring aquatic invertebrate communities in benthic sediments during flowing phases. We surveyed the invertebrate communities of the Candover Brook chalk stream, comparing aquatic (benthic, hyporheic) and terrestrial communities in reaches with different flow permanence regimes. We used kick and Bou–Rouch sampling methods to collect aquatic invertebrates, and compared the terrestrial communities characterised by pitfall traps and ground searches and in different seasons. Although aquatic taxa richness was lower in temporary compared to perennial reaches, the total biodiversity of temporary stream channels was enhanced by contributions from both aquatic and terrestrial species, including several of conservation interest. We recommend that both aquatic and terrestrial communities should be considered in research and monitoring to characterise the biodiversity and ecological quality of temporary streams.

Item Type: Journal article
Publication Title: Water and Environment Journal
Creators: Bunting, G., England, J., Gething, K., Sykes, T., Webb, J. and Stubbington, R.
Publisher: Wiley
Date: February 2021
Volume: 35
Number: 1
ISSN: 1747-6585
Rights: © 2020 the authors. Water and Environment Journal published by John Wiley & Sons Ltd on behalf of Chartered Institution of Water and Environmental Management. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Divisions: Schools > School of Science and Technology
Record created by: Linda Sullivan
Date Added: 17 Jul 2020 14:26
Last Modified: 17 Nov 2021 13:31

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