abstract:Local extinction, or extirpation, is the condition of a species (or other taxon) which ceases to exist in the chosen geographic area of study, though it still exists elsewhere. Local extinctions are contrasted with global extinctions.
This indicatesthat overfrequentdestroyingthe above-groundpart of commonwold rice mightbe one of the most importantreasons forlocalextinction of some populations of the species.
Scientists in New Zealand say they have linked the modern-day decline of a common forest shrub with the localextinction of two pollinating birds over a century ago.
But after months of reporting and hundreds of bear sightings, I kept running up against an inconvenient truth: There were a lot of well-meaning, well-credentialed scientists, wildlife officers and local experts who simply didn't believe that polar bears were one ice cube away from extinction.