"ecological island" is correct and usable in written English.
You can use it to refer to a small area of land surrounded by water and with an established environment that is largely unaffected by human activity. For example, "Maldives is an ecological island in the Indian Ocean known for its unique flora and fauna."
Second, the park is an ecological island subject to insults from outside.
All the more reason to get a sense of what's at risk of being lost, especially given that the area is a kind of "ecological island" that has hardly been surveyed by biologists.
Matthew Lark of the Maungatautari Ecological Island Trust told the BBC that there are fewer than 8,000 western brown kiwi in the wild, and that the budget announcement would allow investment in projects that will increase numbers, and allow them to export chicks reared to a predator-resistant weight to under-pressure and isolated populations.
Within the two macroregions, the north and south groups of oases, we observed a significant difference among oases (Supplementary Table 2) indicating the presence of oasis-specific bacterial community supporting a concept of "ecological island".
"Endemism and ecological islands: the ostracods from Jamaican bromeliads".
These structures represent ecological islands hosting a different and often more diverse and abundant community than surrounding sandflats.
One of Leopold's most prescient observations in the original report is that "few of the world's parks are large enough be in fact self-regulatory ecological units; rather, most are ecological islands subject to direct or indirect modification by activities and conditions in the surrounding areas".
Such fitness islands are classified into several subtypes, such as ecological islands, saprophytic islands etc., based on their niche.
The acquisition of ecological islands by the bacterial host occurs through horizontal gene transfer [18].
Our work supports the observation that the core genomes of widely distributed microbes remain essentially the same, with the main differences being prophage, pathogenicity, or ecological islands [58].
Within this landscape, banded iron formation (BIF) inselbergs act as ecological islands that support an especially large number of edaphically endemic and historically rare species.
