traditional fisheries and fisheries management in this shifting system need to be similarly adjusted thereby incurring increasing costs for administration science monitoring and observation systems as well as rising uncertainty and input costs to the commercial fisheries these aggregate changes as a result of the changing climate are expected to increase in intensity in the coming decades of the st century grafton fao a b b that said the combined effects of rising prices and climate change are complex and they affect a very large number of fisheries and aquaculture operations in a mosaic of natural social and economic contexts