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A dynamic and mechanistic mass balance model (Integrated Aquaculture/Agriculture System model, or IAAS) for predicting nitrogen and organic matter outputs from aquaculture ponds and their subsequent recycling in conventional agriculture practices has been developed and calibrated using data from Honduras, Thailand and Malawi. The model, developed using(More)
This paper reviews the importance of African lakes and their management challenges. African inland lakes contribute significantly to food security, livelihoods and national economies through direct exploitation of fisheries, water resources for irrigation and hydropower generation. Because of these key contributions, the ecosystem services provided are(More)
Although conditions of risk confronting urban youth are most visible in the immediate contexts of family and community, the degree to which specific social policies affect the status of adolescence is less understood. Between 1999 and 2002, with support from the International Development Research Centre, a team of researchers in Canada, Kenya and Nicaragua(More)
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