The contrasting invertebrate fauna of freshwater habitats in the Swavesey fens of East Anglia

Parish, Tim and Bas, Jon and Sparks, Tim (1995) The contrasting invertebrate fauna of freshwater habitats in the Swavesey fens of East Anglia. Freshwater Forum, 5(3), pp. 163-177.

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Abstract

During July and August 1988, 21 ponds and 33 ditch sites were sampled at Swavesey fens in East Anglia. Water from each site was collected and analysed at monthly intervals in the year preceding faunal sampling. Temperature and oxygen were measured on site. The "quality" of the faunal community was assessed by three approaches: a modification of the BMWP scoring system (Biological Monitoring Working Party); faunal richness was calculated as the number of faunal "groups" at each site; and by using Simpson's index of diversity. Statistical analysis was carried out to explore the relationships between sites, environmental variables and faunal diversity. The survey clearly showed the detrimental effects of elevated nitrate and phosphate from agricultural sources and the localised impacts of treated sewage effluent on invertebrates in ditches.

Item Type: Article
Title: The contrasting invertebrate fauna of freshwater habitats in the Swavesey fens of East Anglia
Personal Creator/Author:
CreatorsEmail
Parish, Tim
Bas, Jon
Sparks, Tim
Refereed: No
Journal or Publication Title: Freshwater Forum
Volume: 5
Number: 3
Page Range: pp. 163-177
Date: 1995
ISSN: 0961-4664
Issuing Agency: Freshwater Biological Association
Uncontrolled Keywords: aquatic insects; community composition; marshes; ponds; species diversity; stagnant water; Asellidae, England; Cambridge
Subjects: Ecology
Limnology
Item ID: 4567
Depositing User: Hardy B Schwamm
Date Deposited: 25 Nov 2010 12:21
Last Modified: 29 Sep 2011 16:13
URI: http://aquaticcommons.org/id/eprint/4567

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