For centuries the Upper Guadiana Basin has been irrigated with groundwater, resulting in a drop in the water table of more than 20 meters. Actions were taken to address this issue, including regulations restricting aquifer abstraction and economic incentives to encourage farmers to improve irrigation efficiency and plant alternative crops. The key lesson learnt is that surface and underground waters cannot be managed separately.
The Lake Atitlán basin experiences serious problems of water pollution, soil erosion and forest and biodiversity losses. Action was taken to establish the Authority for the Sustainable Management of the Atitlán Basin. However, barriers such as lack of public participation, institutional coordination and investment funds have only ensured limited success. The key lesson learnt is that the main barriers to an integrated management of water resources in the basin are strongly interlinked.
Water management in Kazakhstan was previously characterised by a command and control approach. The Water Code was adopted in 2003 as an answer to these problems. Furthermore, a project was launched to evaluate the current state of the legal framework for IWRM and to identify the potential for improvements and propose amendments to the Water Code. It is evident that IWRM is a complex approach and any amendments need to be done holistically.
The Lake Basin Development Authority was set up to manage the entire catchment area of all rivers draining into Lake Victoria. However, its performance was not to the expectation. A further, action was taken to decentralise management and priority was given to achieve access to basic water requirements for the poor, as well as quality of water and improving availability of water for livestock and irrigation. The key lesson learnt is the importance of a participatory approach.
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