Definitions
from The Century Dictionary.
- noun Same as
endemicity .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The state of being
endemic
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun nativeness by virtue of originating or occurring naturally (as in a particular place)
Etymologies
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Examples
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Although endemism is not considered high in this region, it is estimated that it has high alpha diversity, meaning a high wealth of species within a particular locality.
Manabí mangroves 2008
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Overall, endemism is quite high in this hotspot because of extensive speciation among several groups of plants, most notably the epiphytes, suggesting that the region was the location of plant refugia during Pleistocene glaciations.
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The hotspot has about 250 species of fish (nearly half of which are endemic) in 54 families, with seven endemic genera; endemism is centered around the Magdalena and Atrata valleys.
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Local endemism is characteristic of the region, indicating that many species have very restricted ranges of distribution and giving rise to an extraordinary β (beta) - diversity, i.e., diversity related to high variation from one location to another in the ecoregion.
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Plant endemism is calculated at almost 30% of the total flora.
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Sumatra has a high level of endemism, which is well represented in the nominated sites.
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A further feature of the endemism is the high degree of local turnover in the species between adjacent forest fragments within the landscape mosaic, and the high incidence of rare species exhibiting disjunct distributional patterns.
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Altitudinal change in upland endemism, species turnover, and diversity on Isla Santa Cruz, the Galápagos Islands.
Galápagos National Park & Galápagos Marine Resources Reserve, Ecuador 2009
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The Chocó-Darién moist forests ecoregion is considered one of the most species rich lowland areas in the world, with exceptional abundance and endemism over a broad range of taxons that include plants, birds, amphibians, and butterflies.
Panamá 2009
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There is considerable variation in altitude and area between the islands which, with their physical remoteness, has contributed towards the species diversity and endemism of the archipelago.
Galápagos National Park & Galápagos Marine Resources Reserve, Ecuador 2009
frogapplause commented on the word endemism
Endemism is the ecological state of being unique to a place. Endemic species are not naturally found elsewhere. The place must be a discrete geographical unit, such as an island, habitat type, nation, or other defined area or zone.
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Endemic organisms are not the same as indigenous organisms — a species that is indigenous to somewhere may be native to other locations as well. An introduced species, also known as a naturalized or exotic species, is an organism that is not indigenous to a given place or area.
(Wikipedia)
November 6, 2008