Biodiversity in Johnston Island (JTN)
 
  FishBase Complete Literature Reference
Species Families Species Families
Marine 105 53 No 301
Freshwater Yes
Total 104 53 No
Conservation
Geography and Climate Johnston Island is located in Oceania, atoll in the North Pacific Ocean, about one-third of the way from Hawaii to the Marshall Islands. Area comparatively about 4.7 times the size of The Mall in Washington, DC. Climate is tropical, but generally dry; consistent northeast trade winds with little seasonal temperature variation. Terrain mostly flat. Elevation extreme has the lowest point in the Pacific Ocean 0 m and highest point in Summit Peak 5 m. Geography—note: strategic location in the North Pacific Ocean; Johnston Island and Sand Island are natural islands, which have been expanded by coral dredging; North Island (Akau) and East Island (Hikina) are manmade islands formed from coral dredging; closed to the public; former US nuclear weapons test site; site of Johnston Atoll Chemical Agent Disposal System (JACADS); some low-growing vegetation.

Ref.  Anonymous, 1999
Hydrography
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