The impact of Cow Green Reservoir on invertebrate populations in the River Tees

Armitage, P.D. (1978) The impact of Cow Green Reservoir on invertebrate populations in the River Tees. In: Forty-sixth annual report for the year ended 31st March 1978. Ambleside, UK, Freshwater Biological Association, pp. 47-56. (Annual Report, Freshwater Biological Association, Ambleside)

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Abstract

Cow Green is a new reservoir situated in Pennine moorland. It has an area of 312 ha, a capacity of 40 . 9 x 10 SUP-6 m SUP-3 and a maximum depth of 22 . 8 m. The function of the reservoir is to regulate flow in the River Tees to provide industrial Teesside with sufficient water during the dry spells. Invertebrate studies were carried out in the Tees to monitor changes resulting from the construction of the reservoir both in the flooded basin and below the dam. The overall effect of the reservoir on the Tees has been to increase the numbers and biomass of certain taxa, but generally not at the expense of previous fauna. Some of the positive effects, ie. increase in number and biomass, and maintenance of faunal diversity, may in part be attributable to the presence of the rapids and waterfall. Turbulence resulting from this rapid flow over heterogeneous bottom is sufficient to prevent clogging of interstitial spaces by silt and to maintain the variety of ecological niches necessary for a diverse fauna.

Item Type: Book Section
Title: The impact of Cow Green Reservoir on invertebrate populations in the River Tees
Personal Creator/Author:
CreatorsEmail
Armitage, P.D.
Title of Book: Forty-sixth annual report for the year ended 31st March 1978
Refereed: No
Series Name: Annual Report, Freshwater Biological Association, Ambleside
Page Range: pp. 47-56
Date: 1978
Publisher: Freshwater Biological Association
Place of Publication: Ambleside, UK
Issuing Agency: Freshwater Biological Association
Uncontrolled Keywords: Reservoirs; Invertebrate zoology; Environmental effects; River Tees; Annual report
Subjects: Biology
Ecology
Limnology
Item ID: 5173
Depositing User: Mrs Christine Davey
Date Deposited: 10 May 2011 17:13
Last Modified: 29 Sep 2011 15:19
Related URLs:
URI: http://aquaticcommons.org/id/eprint/5173

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