Limnological aspects of three man-made lakes in Sri Lanka

Silva, Kumari De (1996) Limnological aspects of three man-made lakes in Sri Lanka. Freshwater Forum, 6, pp. 39-56.

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Abstract

An investigation was undertaken to study the physicochemical characteristics, phytoplankton and fish fauna of three major deep lakes on the River Mahaweli: Kotmale, Victoria and Randenigala. These lakes were created mainly for hydroelectric purposes during the period 1984 to 1986. In all three lakes, thermoclines were present during most months of the year, but did not appear to be very stable. They tended to disappear during January - February but were well established in August - November. Fifteen species of blue-green algae were identified as well as 27 desmid species and 25 non-desmid green algae. Melosira granulata and M. undulata were the dominant diatom species. The family Cyprinidae dominated the fish fauna by number of species, but by biomass the exotic cichlids (tilapias) were dominant.

Item Type: Article
Title: Limnological aspects of three man-made lakes in Sri Lanka
Personal Creator/Author:
CreatorsEmail
Silva, Kumari De
Refereed: No
Journal or Publication Title: Freshwater Forum
Volume: 6
Page Range: pp. 39-56
Date: 1996
ISSN: 0961-4664
Issuing Agency: Freshwater Biological Association
Uncontrolled Keywords: artificial lakes; chemical limnology; freshwater ecology; physical limnology; tropical lakes; Sri Lanka
Subjects: Limnology
Item ID: 4570
Depositing User: Hardy B Schwamm
Date Deposited: 25 Nov 2010 12:28
Last Modified: 29 Sep 2011 16:13
URI: http://aquaticcommons.org/id/eprint/4570

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