aquaculture congresses coralreefsandislands developingcountries diseases economicaspects environmentalaspects environmentaleconomics fisherymanagement fisherypolicy fisheryresources fishes governmentpolicy marinebiology marineecology marineinvertebratepopulations marineinvertebrates marinemammals marineproductivity marineresources marineresourcesconservation oceania protection research seaturtles shellfish shellfishfisheries sustainableagriculture sustainableaquaculture unitedstates