| | Habitat | (24) |
| | Habitat selection | (3) |
| | Halocline | (1) |
| | Handling | (2) |
| | Handlining | (4) |
| | Harbour regulations | (1) |
| | Harbours | (71) |
| | Harvesting | (6) |
| | Hatcheries | (24) |
| | Hatching | (1) |
| | Hazard assessment | (1) |
| | Hazardous materials | (5) |
| | Hazards | (3) |
| | Health and safety | (1) |
| | Heat content | (1) |
| | Heat exchangers | (1) |
| | Heat flow | (3) |
| | Heat storage | (1) |
| | Heat transport | (1) |
| | Heavy metals | (3) |
| | Herbicides | (1) |
| | Herbivores | (1) |
| | High seas | (1) |
| | High seas fisheries | (4) |
| | Histamines | (2) |
| | Historical account | (33) |
| | Hooks | (2) |
| | Hot spots | (18) |
| | Human diseases | (3) |
| | Human food | (6) |
| | Hunting | (3) |
| | Hurricanes | (7) |
| | Hurricane waves | (4) |
| | Hydration | (1) |
| | Hydraulic engineering | (1) |
| | Hydrocarbons | (11) |
| | Hydroclimate | (2) |
| | Hydroelectric power | (2) |
| | Hydrographic data | (1) |
| | Hydrographic surveying | (3) |
| | Hydrographic surveys | (9) |
| | Hydrography | (1) |
| | Hydrologic cycle | (1) |
| | Hydrology | (23) |
| | Hydropower | (1) |
| | Hydrothermal activity | (56) |
| | Hydrothermal deposits | (34) |
| | Hydrothermal fields | (1) |
| | Hydrothermal springs | (7) |
© 2009 PIMRIS Coordinator, University of the South Pacific, Suva, Fiji, Tel (679) 323 2934 or email pimris@usp.ac.fj.
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