Sentences with phrase «to increase the risk of extinction»

Approximately 20 to 30 percent of plant and animal species assessed so far are likely to be at increased risk of extinction if increases in global average temperature exceed 1.5 to 2.5 °C.

Different populations could still become isolated with increased risk of extinction over time.

Recent research reveals that various endemic species to the Iberian Peninsula, such as the Iberian Parsley Frog (Pelodytes ibericus), are incapable of responding to the presence of the red swamp crayfish, which increases its risk of extinction.

There is medium confidence that approximately 20 to 30 percent of species assessed so far are likely to be at increased risk of extinction if increases in global average warming exceed 1.5 to 2.5 °C (relative to 1980 to 1999).

The increased risk of extinction occurred because at small population sizes, as the flies spent more time being vigilant and less time eating, populations that declined could not quickly rebound.

By analyzing the fossils of thousands of ancient crustaceans, a team of scientists led by NMNH paleontologist Gene Hunt has found that devoting a lot of energy to the competition for mates may compromise species» resilience to change and increase their risk of extinction.

The Red List Index, which keeps tabs on threatened organisms, showed that these species face an increased risk of extinction.

Elephants and other large animals face an increased risk of extinction

Species and populations that are unable to shift their geographic distributions or have narrow environmental tolerances are at an increased risk of extinction.

By Bjorn Carey Elephants and other large animals face an increased risk of extinction in what Stanford Biology Professor Rodolfo Dirzo terms «defaunation.»

Using expert elicitation and population projection models, we show that mortality from wind turbines may drastically reduce population size and increase the risk of extinction.