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endemism

endemism Situation in which a species or other taxonomic group (see CLASSIFICATION; and TAXONOMY) is restricted to a particular geographic region, due to factors such as isolation or response to soil or climatic conditions. Such a taxon is said to be endemic to that region. The size of the region in this context will usually depend on the status of the taxon: thus a family will be endemic to a much larger area than a species, all other things being equal. Reference is frequently made to ‘narrow endemics’, i.e. taxa with markedly restricted ranges. Some of these are evolutionary relics, such as the maidenhair tree (Ginkgo biloba), the only surviving species of the Ginkgoales, confined to Chekiang Province, China, where it was discovered in 1758.

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"endemism." A Dictionary of Earth Sciences. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"endemism." A Dictionary of Earth Sciences. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/endemism

"endemism." A Dictionary of Earth Sciences. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/endemism

endemism

endemism A situation in which a species or other taxonomic group is restricted to a particular geographic region, owing to factors such as isolation or in response to soil or climatic conditions. Such a taxon is said to be endemic to that region. The size of the region in this context will usually depend on the status of the taxon; thus, a family will be endemic to a much larger area than a species, all other things being equal. Reference is frequently made to ‘narrow endemics’, i.e. taxa with markedly restricted ranges. Some of these are evolutionary relics, such as the maidenhair tree (Ginkgo biloba), a single species within a single genus which is confined to Chekiang Province, China, where it was discovered in 1758.

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"endemism." A Dictionary of Plant Sciences. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"endemism." A Dictionary of Plant Sciences. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/endemism-1

"endemism." A Dictionary of Plant Sciences. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/endemism-1

endemism

endemism The situation in which a species or other taxonomic group is restricted to a particular geographic region, owing to factors such as isolation or response to soil or climatic conditions. Such a taxon is said to be endemic to that region. The size of the region in this context will usually depend on the status of the taxon: thus a family will be endemic to a much larger area than a species, all other things being equal. Reference is frequently made to ‘narrow endemics’ (i.e. taxa with markedly restricted ranges). Some of these are evolutionary relics, such as the maidenhair tree (Ginkgo biloba), a single species within a single genus which is confined to Chekiang Province, China, where it was discovered in 1758.

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"endemism." A Dictionary of Ecology. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"endemism." A Dictionary of Ecology. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/endemism-0

"endemism." A Dictionary of Ecology. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/endemism-0

endemism

endemism The situation in which a species or other taxonomic group is restricted to a particular geographic region, due to factors such as isolation or response to soil or climatic conditions. Such a taxon is said to be endemic to that region. The size of the region in this context will usually depend on the status of the taxon: thus a family will be endemic to a much larger area than a species, all other things being equal.

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"endemism." A Dictionary of Zoology. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"endemism." A Dictionary of Zoology. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/endemism-2

"endemism." A Dictionary of Zoology. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/endemism-2