Feasibility of extensive, small-scale mud crab (Scylla serrata) farming in East Africa

Small-scale farming of mud crabs (Scylla serrata) has been suggested as a low investment alternative for generating incomes to resource-poor coastal communities in East Africa. However, it is unclear if the present culture methods are profitable and ecologically sustainable. Here we assess the two dominant culture methods, extensive ‘crab-fattening’ in cages (cage culture) and grow-out farming of small juveniles in ponds (pond culture) using economic…

Prawn postlarvae fishing in coastal Bangladesh: Challenges for sustainable livelihoods

Fishing for prawn (Macrobrachium rosenbergii) postlarvae is a major contributor to the livelihoods of the coastal poor in Bangladesh, including women. A study of coastal livelihoods along the lower Pasur River in southwest Bangladesh indicates that on average 40% of total annual income comes from postlarvae fishing during the few months involved. However, indiscriminate fishing of wild postlarvae, with high levels of by-catch, has an…

Powerless Spectators, Coping Actors, and Adaptive Co-Managers? A Synthesis of the Role of Communities in Ecosystem Management

We provide a synthesis of the papers in the Special Issue, the Communities Ecosystems and Livelihoods component of the Millennium Ecosystem Assessment (MA), and other recent publications on the adaptive capacity of communities and their role in ecosystem management. Communities adapt because they face enormous challenges due to policies, conflicts, demographic factors, ecological change, and changes in their livelihood options, but the appropriateness of their…

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