Sentence examples for present extinction from inspiring English sources

One is to show how the damage has moved onto a new scale by comparing past and present extinction rates.

Also, for comparison with other research, we choose to present extinction coefficients in cm-1.

If such genera are equally or more likely than average to be endangered, then past diversification may be de-coupled from present extinction risk.

If dispersal into a wider range of habitats had occurred at both sites, especially those with deep water, the present extinction might not have occurred.

The ABA renewal procedure involves pairing a conditional stimulus (CS) and an unconditional stimulus (US) in one context (A), presenting extinction trials of the CS alone in a second context (B), and nonreinforced test trials of the CS in the acquisition context (A).

The presented extinction spectra were calculated by dividing the transmission spectra of the sample by the transmission spectra of the background, followed by applying a negative logarithm to create extinction spectra.

Renewal was attenuated, though still present, when extinction occurred in multiple dissimilar extinction contexts or in a single extinction context that was similar to the test context.

Whether present day extinction is occurring in areas that may have experienced low levels of natural extinction historically (i.e., the tropics) would have ramifications on the predicted loss of evolutionary history [5], [22] and proper adjudication of conservation resources [23].

Previous mass extinctions can be attributed to geological and extra-terrestrial impact, while the present mass extinction is caused by human impact (Wilson 2001).

In this paper we present an extinction criterion for flames subject to unsteady dissipation rates.

Renewal is a relapse phenomenon that occurs when the contextual stimuli present during extinction change, and consequently, an extinguished response increases in rate.