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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Towards an ecohydrology-based restoration of the Usangu wetlands and the Great Ruaha River, Tanzania
Wetlands Ecology and Management, Volume 14, No. 6, Year 2006
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Description
An open channel flow model, calibrated against field data, suggests that cattle intrusion in the eastern Usangu wetlands, as well as both dry and wet weather irrigation upstream, are responsible for the seasonal drying out of the Great Ruaha River (GRR) downstream. This human-induced change has severe socio-economic implications downstream, including hindering hydroelectricity production, as well as a devastating impact on the Ruaha National Park (RNP) ecosystem that is now shifting from wet tropics to dry tropics. To ensure sustainable development, governance is urgently needed for the Usangu catchment in a way that is compatible with ecohydrology principles for the sustainable use of water resources. In order to do that, perennial flow must be restored to the GRR. For this to happen this study suggests that all the livestock must be removed from the eastern Usangu wetlands and dry weather irrigators must return at least 25% (∼4 m3 s-1) of the water to the river. © 2006 Springer Science+Business Media, Inc.
Authors & Co-Authors
Mtahiko, Mtango G.G.
Tanzania, Arusha
Tanzania National Parks
Gereta, Emmanuel
Tanzania, Arusha
Tanzania National Parks
Kajuni, A. R.
Tanzania, Dar es Salaam
Usaid
Chiombola, E. A T
Tanzania, Dar es Salaam
Lighthouse Group Limited
Ng'umbi, Gladys Z.
Tanzania, Arusha
Tanzania National Parks
Coppolillo, Peter B.
Tanzania, Mkokotoni, Zanzibar
Wildlife Conservation Society
Wolanski, Eric J.
Australia, Townsville
Australian Institute of Marine Science
Statistics
Citations: 53
Authors: 7
Affiliations: 5
Identifiers
Doi:
10.1007/s11273-006-9002-x
ISSN:
09234861
Research Areas
Environmental
Health System And Policy
Study Locations
Tanzania