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An ecological island is a term used in New Zealand, and increasingly in Australia, to refer to an area of land (not necessarily an actual island) isolated by natural or artificial means from the surrounding land, [1] where a natural micro-habitat exists amidst a larger differing ecosystem.
Island ecology is the study of island organisms and their interactions with each other and the environment. Islands account for nearly 1/6 of earth’s total land area, [1] yet the ecology of island ecosystems is vastly different from that of mainland communities.
Australia, Melanesia, New Zealand, Lesser Sunda Islands, Sulawesi, Maluku Islands and the neighbouring islands. The northern boundary of this zone is known as the Wallace Line. Indomalaya: 7.5 2.9 The Indian subcontinent, Southeast Asia, southern China and most of the Greater Sunda Islands. Oceania: 1.0 0.39
This is a list of terrestrial ecoregions as compiled by the World Wildlife Fund (WWF). The WWF identifies terrestrial , freshwater , and marine ecoregions . The terrestrial scheme divides the Earth's land surface into 8 biogeographic realms , containing 867 smaller ecoregions.
Larger islands with diverse ecological niches encouraged floral and faunal adaptive radiation, whereby multiple species evolved from a common ancestor, each species adapted to a different ecological niche; the various species of Hawaiian honeycreepers (Family Drepanididae) are a classic example. Other adaptations to island ecologies include ...
A map of the Amazon rainforest ecoregions. The yellow line encloses the ecoregions per the World Wide Fund for Nature. A map of the bioregions of Canada and the US. An ecoregion (ecological region) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm.
While it is usually regarded as one of the most remote islands on Earth the island is actually only 320 kilometres (200 mi) from Gough Island. The island is instead known as the most remote inhabited island on Earth. Gough Island is uninhabited apart from a weather station with around 6–7 people on it but they are not a permanent population. [1]
English: World map of countries shaded according to their ecological footprint in 2006 (published on 25 November 2009 by the Global Footprint Network). It is measured by the amount of global hectares that are affected by humans per capita of the country.