Diversity And Management: From Extractive To Farming Systems

摘要

Worldwide extractive fishing and aquaculture are in transition driven by mainly economic imperatives.In particular in fast developing areas in the least developed countries,the effects on both the biophysical and socio-cultural environment are becoming better evidenced by research.At the biophysical side,extractive fisheries lead to stock depletion,and shrimp aquaculture to salinisation.At the social side the high investment needs lead to a high pressure of loans,and less income that is available to pay for education and health.Moreover during recent years insight in how to manage these complex problems changed.