Sentence examples for extent of occurrence from inspiring English sources
Joppa, L. N. et al. Impact of alternative metrics on estimates of extent of occurrence for extinction risk assessment.
These perceptions were then coupled by estimates of the actual extent of occurrence in the corresponding cities.
While the IUCN conservation status remains as critically endangered "because of an observed drastic decline in population and extent of occurrence, estimated to be more than 80% over the last 10 years, probably due to chytridiomycosis", a species cannot reach the next category of extinct in the wild "if there is any reasonable possibility that they may still be extant".
We found that the distributions of both species have undergone large reductions in extent of occurrence (EOO) and area of occupancy (AOO), coinciding with an extensive period of severe drying of the region.
Current techniques for estimating the extent of occurrence (EOO) of species, especially those with a naturally disjunct distribution and limited available data, lead to overestimations of their geographic distributions.
Continuing decline in (i) extent of occurrence; and (iii) area, extent and/or quality of habitat.
For amphibians, mammals, and birds, we used extent-of-occurrence maps.
Each species' extent-of-occurrence map is a single minimum convex polygon that connects known locations, but includes multiple polygons when there is clear range discontinuity.
Using pseudo-presence data may lead to overpredictions in characterizing climatic suitability because large-scale "extent-of-occurrence" geographical ranges include some unsuitable areas and thus tend to exaggerate actual occurrence [45] [47].
We use alpha-shapes because they have been used to capture extent of occurrences and may be preferred over other methods to delineate species range boundaries (García-Roselló et al. 2015).
