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A constrained total water-use policy has been implemented to maintain sustainable water supply in some water shortage areas. Managing a constrained water-use quota (T) in water allocation is a challenging goal. This paper proposes a new framework for water allocation under total water-use constraint by utilizing the concept of the Newsboy model, commonly used in operations management and applied economics, and applying it to the Dongjiang River Basin, South China. This framework considersTas a state variable of the objective function, rather than simply dealing with it as a constraint of multi-objective analysis. Using this framework, it is revealed how different schemes ofTplay out in water allocation, and water-use warning is provided for each sector and water governor in water resources management. [ABSTRACT FROM PUBLISHER]

Climate change, over abstraction, pollution and questionable engineering-based paradigms are contributing to a state of crisis in water governance. This paper reports on preliminary research in Lake Baiyangdian catchment, China, which has the potential to realise more systemic and adaptive forms of water governance through development and use of a method that reframes water catchment management in the form of social learning. A cross-disciplinary research group worked together with multiple-department managers and stakeholder representatives within a purposefully designed ‘learning system’ to create an insipient social learning platform. The results demonstrate the potential to reframe water catchment management in Lake Baiyangdian so as to better address the questions: who should manage the water catchment and what in the catchment should be the focus of managing? [ABSTRACT FROM AUTHOR]

China, an upstream state and a regional hegemon in the Mekong River Basin, is commonly viewed as unilaterally exploiting water resources, irrespective of downstream states (Myanmar, Thailand, Laos, Vietnam, and Cambodia). This view is derived mainly from China's unilateral exploitation of the upper watershed for hydroelectricity and navigation, raising concerns about negative socio-ecological impacts on the downstream states. However, recent empirical evidence shows that China is gradually getting involved in negotiations and processes with the downstream states, compromising with them little by little. Indications of this policy shift include: (a) its signing agreements for hydrological data exchange, (b) confidence-building with co-riparans in the Dialogue Meeting of the Mekong River Commission, and (c) multinational negotiation with co-riparians in framework of regional institutions. In light of this shift, this article argues that China is not fully enjoying its superior resources or its superior riparian position, contrary to the common view. The aim of this paper is to (1) explain and provide updated information on these negotiation mechanisms, which are attempting to resolve the upstream-downstream dispute in the Mekong River Basin, and (2) produce counterevidence against the Theory of Hegemonic Cooperation. [ABSTRACT FROM AUTHOR]