Marine resources Congresses 32 Oceanography 20 Fisheries 17 Periodicals 13 Coastal zone management 12 Marine resources conservation 12 hơn ... Fishery resources 10 Management 10 Research 9 Marine parks and reserves 8 Marine biology 7 Economic aspects 6 Marine ecology 6 Government policy 5 Marine resources and state 5 Coastal ecology 4 Maps 4 Marine fishes 4 Marine sciences 4 Maritime law 4 Shipping 4 Economic zones (Maritime law) 3 Fishery management 3 Handbooks, manuals, etc 3 Marine pollution 3 Addresses, essays, lectures 2 Aquatic resources 2 Charts, diagrams, etc 2 Coasts 2 ít hơn ...