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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Food partitioning within the species-rich benthic fish community of Lake Malawi, East Africa
Canadian Journal of Fisheries and Aquatic Sciences, Volume 62, No. 7, Year 2005
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Description
Temporal diet patterns were studied for nine species of haplochromine cichlids in Lake Malawi, East Africa, using a combination of stable isotope and stomach content analyses. The results illustrate the complementarity of the two approaches in elucidating dietary differences. Evidence was found that benthic algal production contributed to the energy requirements of offshore fishes that occupy depths between 10 and 30 m. The importance of the lake fly Chaoborus edulis as a food source for demersal fishes was confirmed, supporting the recent hypothesis that deep demersal fish production is principally sustained through the pelagic food chain rather than from benthic detrital sources. Isotopic differences were observed among species with apparently similar diets, feeding behavior, and depth preferences, suggesting that important resource partitioning exists among Lake Malawi benthic haplochromine cichlids. © 2005 NRC.
Authors & Co-Authors
Duponchelle, Fabrice
Malawi, Salima
Sadc/gef
France, Montpellier
Ird Centre de Montpellier
Ribbink, Anthony J.
Malawi, Salima
Sadc/gef
South Africa, Grahamstown
Jlb Smith Institute of Ichthyology
Msukwa, Amulike V.
Malawi, Salima
Sadc/gef
Mafuka, Jorge
Malawi, Salima
Sadc/gef
Mandere, Davis S.
Malawi, Salima
Sadc/gef
Malawi, Bristol
Fisheries Research Unit
Bootsma, Harvey A.
Malawi, Salima
Sadc/gef
United States, Milwaukee
University of Wisconsin-milwaukee
Statistics
Citations: 22
Authors: 6
Affiliations: 5
Identifiers
Doi:
10.1139/f05-075
ISSN:
0706652X
Research Areas
Food Security
Study Locations
Multi-countries
Malawi