The effects of scales, flows and filters on property rights and collective action in watershed management

摘要: Abstract Research and policy on property rights, collective action watershed management requires good understanding of ecological socio-political processes at different social-spatial scales. On-farm soil erosion is a plot or farm-level problem that can be mitigated through more secure rights for individual farmers, while the sedimentation streams deterioration water quality are larger-scale problems may require effective and/or village catchment scale. Differences in social-political contexts across nations regions also shape institutions. For example, circumstances Lake Victoria basin East Africa particular attention to specific “hot spot” areas where insecure tenure leads overuse under-investment. Circumstances uplands Southeast Asia analysis opportunities negotiating farmers exchange stronger by farmer groups maintaining essential functions.