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FKZ: 031A250 A-H
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In total, four different wetlands in four different countries within East Africa are the subjects of investigation. The selected test site shall reflect and represent the high diversity of wetlands in East Africa regarding their biophysical attributes, use units, population pressure and land use intensity.


  • The Ewaso Narok wetland in Kenya is a highland floodplain located in the West Laikipia swamps close to the town of Rumuruti. The climate is semi-arid with an annual precipitation of less than 700 mm. The wetland is supplied by the Ewaso Niro river from the Aberdare Mountains.


  • In Rwanda, the selected study area is located in the small inland valley swamps along the Nyabagoro river and its tributaries. The climate is humid with annual precipitation higher than 1200mm. Within the undulated landscape, there are some valleys that are flooded during the whole year. Most of the  valley bottoms are already intensively used for agricultural production since the last decade.


  • The area of interest in Tanzania is located in the floodplain of the Kilombero river, close to the city of Ifakara. The study site is characterized by its low elevation (<500m above sea level) and sub-humid climate with precipitation around 1400 mm. The Kilombero floodplain was selected by the government as focus area for intensive agricultural production in future, especially due to its favourable terms for year-long rice cultivation.


  • The study site in Uganda is located at the site of the Namulonge Research station close to Kampala and the Lake Victoria. It is a very densely populated area. The climate is sub-humid with annual precipitation values around 1300 mm. The area of interest in Uganda features a very high diversity regarding the  range of land uses as well as the diversity of food crops.


Due to the large sizes of the four selected wetlands, it is not possible to investigate the whole wetland areas. Thus, an area of interest was selected in each of the wetlands featuring a total expansion of 100km²  in the Ewaso Narok swamp in Kenya and 500km² in the remaining countries. Two super-test sites will be established in Tanzania and Uganda, where intensive investigations and field experiments will be conducted.

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