Communal water storage reservoirs (embungs) that serve many villages in West Timor, Indonesia, during the prolonged annual dry season are plagued with sedimentation problems. Sedimentation progressively reduces water storage capacity, and consequently the benefits that community can derive from...

The possibility that genetically modified (GM) crops may contaminate non-GM crops through pollen-mediated gene flow presents a challenge to coexistence of GM agriculture with conventional and organic farming systems. In this paper an analytical model of coexistence is developed that allows for...