The phrase "alien community" is correct and usable in written English.
It can be used to refer to a group of beings or individuals from another planet or a metaphorical context where a group feels foreign or different within a particular society.
Example: "The alien community in the story faced numerous challenges as they tried to integrate into human society."
Alternatives: "extraterrestrial group" or "foreign community".
The Moriscos remained an alien community, suspicious of and suspect to the "old" Christians.
It's difficult to immerse yourself in another culture, and in a different language, when to a European this is a very alien community.
This general process facilitates the conversion of an alien community to a natural forest through selective removal of the invading nurse trees, when the nurse trees have relatively small stem diameters.
Its alien communities were small (mostly fewer than 1,000 people) and localized, and some were long-established.
Here's what Roy Beck, the executive director of NumbersUSA, the hard-core anti-immigration organization, said in an e-mail after the Bush administration announced a border-and-workplace crackdown: "The illegal alien communities — and the outlaw businesses that hire them — are in a panic this weekend.
The proposed activities differentiate between a) areas that need abrupt and complete clearing of alien vegetation in native grassland or shrubland, and b) areas where gradual removal of alien communities is preferred, e.g. in 'novel forests' or riparian tree communities.
Though less than a minute long, it and the accompanying article that laid forth the government's heretofore-secret Advanced Aerospace Threat Identification Program validated long-held beliefs of those in the UFO and alien communities, and made them feel less marginalized.
Alien plant community in the muddy line was a subset of that of flooded orchards and it was composed by C4 species, with clonal growth, perennial graminoids and water seed dispersal.
"We learned a lot from our passionate Alien Blue community about what makes a great iOS app and we applied those learnings when building Reddit for iOS," Le explains.
Everson et al. (2016) developed a decision-tree to guide the active rehabilitation of invasive alien plant communities (Fig. 6).
Planted and naturalizing stands of shade-intolerant introduced tree species of pines, eucalypts, acacias and other species facilitate the establishment of shade-tolerant native forest species, with the development of alien plant communities (Knight et al. 1987; Geldenhuys 1992, 1996a, 1997; Parrotta 1995; Loumeto & Huttel 1997; Parrotta & Turnbull 1997; Geldenhuys & Delvaux 2007).
