Ecological niche, a term describing the relational position of an organism's species
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The older usage of the term refers to Ellenberg's indicator values, which are based on a simple ordinal classification of plants according to the position of their realized ecological niche along an environmental gradient.
Its fruit was reportedly the preferred food of the now-extinct Ula-ai-hawane--a niche that has been seemingly filled by the introduced Lavender Waxbill.
Rappaport was an ecological anthropologist, like Andrew P. Vayda, and wished to contrast the actual reality and adaptations (the operational environment) within a people's ecological niche – say, the existence of tsetse flies and their role in causing sleeping sickness among humans – with how the people’s culture understands nature (the cognized environment) – say, the belief that witches live in those areas that science knows is the habitat of the tsetse.
In the eastern shores of the Mediterranean sea - Syria, Lebanon and Israel - a similar species, Pistacia palaestina, fills the same ecological niche as this species and is also known as terebinth.
In the Eastern Mediterranean Coast, Syria, Lebanon and Israel, a similar species, Pistacia palaestina, fills the same ecological niche of this species and is also known as turpentine.
Lake trout, a larger char that holds the same ecological niche as Sunapee trout, only better, out-competed the Sunapee golden trout and hybridized with it, further accelerating its decline.