SUBJECT
Marine ecology
Marine biology
26
Oceanography
20
Electronic books
13
Climatic changes
12
Coastal ecology
11
Marine resources conservation
11
Environmental aspects
9
Marine animals
8
Marine resources
8
Marine ecosystem management
7
Coastal zone management
6
Ocean
6
Ecology
5
Marine biodiversity
5
Marine pollution
5
Biotic communities
4
Continental shelf
4
Marine microbiology
4
Endangered species
3
Living resources
3
Marine biological diversity
3
Marine productivity
3
Submarine geology
3
Animal populations
2
Aquatic invertebrates
2
Benthos
2
Biodiversity
2
Carbon cycle (Biogeochemistry)
2
Climate
2
Climatic factors
2
Coasts
2
Congresses
2
Crabs
2
Ecosystem
2
Environmental protection
2
Fishery resources
2
Food chains (ecology)
2
Juvenile literature
2
Life cycle
2
Lilies
2
Mangrove conservation
2
Mangrove ecology
2
Marine biological diversity conservation
2
Marine ecosystem
2
Marine organisms
2
Marine plankton
2
Mathematical models
2
Methodology
2
Paleoclimatology
2
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