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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Comparing flow regime, channel hydraulics, and biological communities to infer flow-ecology relationships in the Mara River of Kenya and Tanzania
Hydrological Sciences Journal, Volume 59, No. 3-4, Year 2014
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Description
Equatorial rivers of East Africa exhibit unusually complex seasonal and inter-annual flow regimes, and aquatic and adjacent terrestrial organisms have adapted to cope with this flow variability. This study examined the annual flow regime over the past 40 years for three gauging stations on the Mara River in Kenya and Tanzania, which is of international importance because it is the only perennial river traversing the Mara-Serengeti ecoregion. Select environmental flow components were quantified and converted to ecologically relevant hydraulic variables. Vegetation, macroinvertebrates, and fish were collected and identified at target study sites during low and high flows. The results were compared with available knowledge of the life histories and flow sensitivities of the riverine communities to infer flow-ecology relationships. Management implications are discussed, including the need to preserve a dynamic environmental flow regime to protect ecosystems in the region. The results for the Mara may serve as a useful model for river basins of the wider equatorial East Africa region. Editor Z.W. Kundzewicz; Guest editor M. AcremanCitation McClain, M.E. Subalusky, A.L. Anderson, E.P. Dessu, S.B. Melesse, A.M. Ndomba, P.M. Mtamba, J.O.D. Tamatamah, R.A. and Mligo, C. 2014. Comparing flow regime, channel hydraulics and biological communities to infer flow-ecology relationships in the Mara River of Kenya and Tanzania. Hydrological Sciences Journal, 59 (3-4), 801-819. © 2014 © 2014 IAHS Press.
Authors & Co-Authors
McClain, Michael E.
Netherlands, Delft
Ihe Delft Institute for Water Education
Netherlands, Delft
Department of Water Management, tu Delft
Subalusky, Amanda L.
United States, New Haven
Yale University
Anderson, Elizabeth P.
United States, Miami
Florida International University
Dessu, Shimelis Behailu
United States, Miami
Florida International University
Melesse, Assefa Mekonnen
United States, Miami
Florida International University
Ndomba, Preksedis Marco
Tanzania, Dar es Salaam
University of Dar es Salaam
Mtamba, Joseph
Tanzania, Dar es Salaam
University of Dar es Salaam
Tamatamah, Rashid Adam
Tanzania, Dar es Salaam
University of Dar es Salaam
Mligo, Cosmas
Tanzania, Dar es Salaam
University of Dar es Salaam
Statistics
Citations: 83
Authors: 9
Affiliations: 5
Identifiers
Doi:
10.1080/02626667.2013.853121
ISSN:
02626667
e-ISSN:
21503435
Study Locations
Multi-countries
Kenya
Tanzania