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Fingerponds: Seasonal Integrated Aquaculture in East African Freshwater Wetlands: Exploring their potential for wise use strategies - PhD: UNESCO-IHE Institute, Delft (Hardcover)
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Fingerponds: Seasonal Integrated Aquaculture in East African Freshwater Wetlands: Exploring their potential for wise use strategies - PhD: UNESCO-IHE Institute, Delft (Hardcover)
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Wetlands play an important role in the livelihoods of many rural
households particularly in sub-Saharan Africa. However, due to
decline in rainfed terrestrial agriculture, many wetlands are being
encroached upon to grow crops. The question to any wetland
scientist/policy maker in the region is: what efforts can be made
to achieve a balance between human needs for food and income and
maintenance of ecosystem integrity?. This study analyses the
potential of smallholder integrated aquaculture farming systems
(calledFingerponds ) around the Lake Victoria wetlands in Kenya.
Various analytical tools were used to evaluate the biophysical
suitability, nutrient flows, benefits and environmental
implications of this innovative technology. The critical
biophysical factors determining Fingerponds productivity are site
selection and water supply. The analysis of nutrient flows in the
entire agroecosystem using nitrogen as the currency indicated that
the total system throughput, and hence the overall productivity of
the system were low. Fingerponds contributed to household
livelihoods by providing protein and income and added diversity to
the household activities with minimal impacts on the natural
environment. With careful implementation and adaptive management,
Fingerponds can be incorporated into national wetland policies and
enhance the balance between economic development and environmental
conservation.
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