See also:

• Science: Biology: Ecology: Aquatic Ecology: Estuarine  (39)
• Science: Biology: Ecology: Aquatic Ecology: Marine: Coral Reefs  (28)
• Science: Biology: Ecology: Ecosystems  (172)
• Science: Biology: Ecology: Ecosystems: Caves  (14)
• Science: Biology: Ecology: Ecosystems: Deserts  (44)
• Science: Biology: Ecology: Ecosystems: Grasslands, Prairies and Steppes  (17)
• Science: Environment: Biodiversity: Ecosystem Biodiversity  (2)
• Science: Environment: Forests and Rainforests  (71)
• Science: Environment: Water Resources: Oceans  (21)
• Science: Environment: Water Resources: Rivers and Streams  (86)
• Science: Environment: Water Resources: Wetlands  (84)

• Habitats - Aims to encourage young people to become involved in conservation. Includes descriptions of the main biomes, games and activities, photographs, links to related sites, and information for educators. From the National Geographic Education Foundation.
• Rhino Ark - Seeks to protect and preserve the Aberdares Mountain Range and its rivers and wildlife, and to prevent illegal exploitation of the forest habitat. Includes an overview and sections covering projects, international fundraising, financial accounts, donations form, news items and FAQ.