A report on Endemism
State of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere.
- Endemism23 related topics with Alpha
Biodiversity hotspot
3 linksBiogeographic region with significant levels of biodiversity that is threatened by human habitation.
Biogeographic region with significant levels of biodiversity that is threatened by human habitation.
To qualify as a biodiversity hotspot on Myers' 2000 edition of the hotspot map, a region must meet two strict criteria: it must contain at least 1,500 species of vascular plants (more than 0.5% of the world's total) as endemics, and it has to have lost at least 70% of its primary vegetation.
Biodiversity
3 linksVariety and variability of life on Earth.
Variety and variability of life on Earth.
A biodiversity hotspot is a region with a high level of endemic species that have experienced great habitat loss.
Refugium (population biology)
2 linksLocation which supports an isolated or relict population of a once more widespread species.
Location which supports an isolated or relict population of a once more widespread species.
This resulting isolation, in many cases, can be seen as only a temporary state; however, some refugia may be longstanding, thereby having many endemic species, not found elsewhere, which survive as relict populations.
Allopatric speciation
2 linksMode of speciation that occurs when biological populations become geographically isolated from each other to an extent that prevents or interferes with gene flow.
Mode of speciation that occurs when biological populations become geographically isolated from each other to an extent that prevents or interferes with gene flow.
Islands are often home to species endemics—existing only on an island and nowhere else in the world—with nearly all taxa residing on isolated islands sharing common ancestry with a species on the nearest continent.
Neoendemism
1 linksNeoendemism is one of two sub-categories of endemism, the ecological state of a species being unique to a defined geographic location.
Relict (biology)
1 linksPopulation or taxon of organisms that was more widespread or more diverse in the past.
Population or taxon of organisms that was more widespread or more diverse in the past.
This phenomenon differs from endemism in that the range of the population was not always restricted to the local region.
Cape sugarbird
0 linksThe Cape sugarbird (Promerops cafer) is one of the eight bird species endemic to the Fynbos biome of the Western Cape and Eastern Cape provinces of South Africa.
Caucasus
1 linksRegion between the Black Sea and the Caspian Sea; mainly comprising Armenia, Azerbaijan, Georgia, and parts of Southern Russia.
Region between the Black Sea and the Caspian Sea; mainly comprising Armenia, Azerbaijan, Georgia, and parts of Southern Russia.
It harbors some 6400 species of higher plants, 1600 of which are endemic to the region.
Cosmopolitan distribution
0 linksSaid to have a cosmopolitan distribution if its range extends across all or most of the world in appropriate habitats.
Said to have a cosmopolitan distribution if its range extends across all or most of the world in appropriate habitats.
The extreme opposite of a cosmopolitan species is an endemic one, being found only in a single geographical location.