Projections of climate change effects on Lake Tanganyika (CLEAT)


Partner Institution(s): 
Tanzania Fisheries Research Institute, Tanzania
University of Dar Es Salaam, Department of Aquatic Sciences and Fisheries, Tanzania
Illinois State University, Department of Geography-Geology, USA
Enavigo Consult, Denmark
Start Date: 
January 1, 2015
End Date: 
December 31, 2019
Project Type: 
North driven projects
Project Code: 
14-08AU
Total grant: 
DKK 9,985,685
Contact : 
Peter Stæhr
Countries: 
Tanzania
Description: 

Lake Tanganyika is an important ecosystem in eastern Africa, which historically has supported one of the world’s most productive freshwater fisheries. However, stocks of important commercial fish have decreased significantly. Scientific evidence suggests that fisheries are partly threatened by climate driven reductions in lake productivity. This project will provide a better understanding of how sensitive Lake Tanganyika is climate change and evaluate future sustainable fisheries. Based on active engagement with local scientists, students, fishermen and lake managers, the project will build capacity on contemporary lake monitoring to provide a fundamental understanding of how environmental conditions relate to fish yields and improve decision-making capacity for fishermen. The gathered data will be used as a platform to inform Tanzanians about their unique lake via local workshops targeted to local poor fishermen, and to lake managers and larger scale fishermen via seminars and through a new lake website. The data will also be used to develop the first full scale biogeochemical model of Lake Tanganyika, and be used to verify a decadal time series of satellite based observations of water temperature, algal biomass and primary production. Coupling this information with knowledge on fish species traits will allow us to investigate how abundance of important pelagic and littoral fish responds to temperature-mediated changes and compare this with effects of intensified fisheries.

Output: 

First-year report 2015:
During the first project year a successful meeting was held where partners exchanged ideas, organized collaboration, worked on the lake and presented the project at an official kickoff meeting with local and regional stakeholders. 3 PhD students were enrolled and have begun their research. Already, material for 4 peer reviewed papers has been gathered and is being analyzed. Lab and field equipment has been brought to TAFIRI, staff has been trained in the use of these and the lake monitoring program has been expanded significantly.
Procedures for lab and data analysis have been written. We have developed a state-of-theart monitoring buoy, which has been sent to Tanzania and is expected to be deployed during autumn 2016. Initial data inputs of key importance for the modelling work (WP2) and fisheries productivity (WP3) have been acquired. Finally, we have provided advice on investment in the local fisheries to Local Investment Climate project in Kigoma, and one of our partners has engaged in a Fisheries value chain analysis for this project.

This page was last modified on 30 June 2016

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