Sentence examples for severe population decline from inspiring English sources

Occasional resistant individuals occur but, in the short to medium term, a severe population decline is expected.

The Black Death (1349 1350 in Norway) is often cited as the cause of a severe population decline and building hiatus in the middle of the 14th century.

Furthermore, paleontological and genetic data both indicate a severe population decline in Dicrostonyx torquatus correlating with the abrupt climate change after the LGM.

For the white-tailed eagle, the focus on the preservation of multiple local populations, as opposed to one large central population, was suggested by Hailer et al. [59] to help maintain high levels of genetic diversity during the recent recovery from a severe population decline.

The Tasmanian devil (Sarcophilus harrisii) has recently suffered a severe population decline due to the recently emerged devil facial tumour disease (DFTD) [ 1].

These leopard populations have not evolved in isolation due to genetic drift, and we did not detect any indication of this population having gone through any severe population decline leading to a genetic bottleneck.

Mr. Froggy in Paradise The news of frogs and other amphibians has not been good in recent years, with severe population declines in many parts of the world.

Some of those neighbourhoods, such as the South Bronx, suffered severe population declines in the 1970s and '80s because they were crime-ridden.

Romania suffered one of the most severe population declines, with a 10percentnt loss in the fifteen years to 2007- the year in which Romania joined the EU.

As with other taxa, many bat species have suffered severe population declines during the 20th century, with agriculture believed to be one of the main drivers reducing roost availability and foraging habitat.

Still, other events that may have caused severe population declines have been suggested, including the eruption of Mount Toba volcano in northern Sumatra between 74 kya and 71 kya and the East African megadroughts that occurred between 135 and 75 kya.