Encompassing the pre-harvesting, harvesting and post-harvesting sectors of inland and marine fisheries, the new study asks the questions: 1) what are the social, environmental, economic and governance contributions of small-scale fisheries at global and local scales? 2) What are the key drivers of change in these sectors, including both threats and opportunities?  

http://pubs.iclarm.net/resource_centre/Program-Brief-Illuminating-hidden-harvests.pdf