Sentence examples for large population decline from inspiring English sources

In any case, we still have to determine what caused the large population decline in the first place.

"But I do think it's likely true that there is this large population decline and loss of [mitochondrial] genome diversity after contact".

Agricultural changes have since resulted in extensive loss of breeding habitat and a subsequent large population decline [ 19].

If historical estimates are accurate, a large population decline occurred sometime between 19th century and the first census in the 1950s, when only 530 birds were counted.

"One important implication of this is that while we say overall there have been large population declines inside protected areas, we are not able to say that protected areas are having no effect in mitigating the effects of human activities on biodiversity, because the rates of decline could be more extreme outside".

Species suffering the most excess drought mortality had large population declines during 1982 1990, then reversed and increased after 1990 (Fig. 7b).

Severe habitat loss and degradation over large areas of its range have caused large population declines, even though the species is more adaptable to anthropogenic habitats than other primates in the region.

Given the mounting evidence that many coastal shark species, including C. leucas, show large population declines up to functional elimination, and that at least in some cases few mature individuals seem to be left [23,24; but see also 25], our finding that the number of large C. leucas increased at the feeding site is encouraging.

Sea turtles, cetaceans, elasmobranchs and other fish species, and seabirds are particularly vulnerable to unsustainable levels of mortality and slow to recover from large population declines; bycatch in marine capture fisheries is putting some species in these groups at risk of extinction [3] [7], risking permanent alteration to marine ecosystem functioning.

The largest population decline (50percentt) was observed between 1950 and 2000 in a colony located in the Terre Adélie region in East Antarctica.

Of those, Illinois easily had the largest numerical population decline -- 9,972 people -- followed by West Virginia with a loss of 3,269 residents.