marine environment 41 Ecosystems 38 VM Naval architecture. Shipbuilding. Marine engineering 36 marine ecosystem 36 marine policy 35 Marine biology 32 Biodiversity 27 Atlantic Ocean 23 protected area 23 TJ Mechanical engineering and machinery 21 Oceanography 20 Climate change 19 Glacial geology 19 biodiversity 19 Conservation 17 governance approach 17 marine isotope stage 17 fishery management 16 Fisheries 14 Indicator indicator 14 Isotopes 14 conservation management 14 China 12 Environmental management 12 United States 12 spatial planning 12 Ecological science, the Biosphere 11 Fish 11 Holocene 11 Pleistocene 11