wilderness; virgin land; wild land
Refers to land in its natural, uncultivated state, untouched by human development.
A variety of wild animals inhabit that wilderness.
As development progresses, virgin land is decreasing year by year.
habitat; native land
Used especially in ecological or biological contexts to mean the natural environment or original region where a species lives.
The native habitat of this plant is South America.
Invasive species are threatening the ecosystem of the native land.
生息地 is a more common and general term for 'habitat' of any organism, whereas 原生地 specifically implies the original or native habitat.
Compound of 原生 (げんせい, 'primeval, original') and 地 (ち, 'land, place'). The exact historical derivation is uncertain, but the word is transparently formed from these elements.