Sentence examples for risk of extirpation from inspiring English sources

Yet, a lower metapopulation risk of extirpation exists if interpatch migration is allowed (Kindvall and Petersson 2000).

However, the risk of extirpation in 2100 for SNPL, PIPL, and REKN was not high with respect to 2006.

Each species was assessed for risk of extirpation using a categorical ranking system termed the 'Species-Sorting Algorithm' (SSA).

Ecological theory indicates that small isolated populations in disturbance-prone landscapes are at greatest risk of extirpation because immigration and recolonization are not possible.

Although the fragmentation of the habitat (which is proportional to the fractal dimension of the patches) is predicted to fluctuate considerably in this century, the risk of extirpation of the species analyzed is not drastically increased because the connectivity of the patches is predicted to increase.

Woodland caribou (Rangifer tarandus) are classified as threatened in Canada, and the Little Smoky herd in west-central Alberta is at immediate risk of extirpation due in part, to anthropogenic activities such as oil, gas, and forestry that have altered the ecosystem dynamics.

By contrast, species with large geographic ranges present challenges in terms of identifying populations or population assemblages at different risks of extirpation or of particular conservation value amongst potentially hundreds to thousands of individual populations depending on the taxon concerned (Hughes et al. 1997).

Our findings show that smaller rather than larger species can be most at risk of local extirpation when confined within protected areas.

Many are extinct or in danger of extirpation.

In the late 20th century it was on the brink of extirpation in the continental United States.

We consider PIPL and REKN in the same geographic domain where the full range of the SNPL occurs in order to perform a simultaneous interspecies assessment of the habitat use and extirpation risk of the three species (Figure 1a).