Jul 8, 2011, 10:37:35 AM7/8/11
to J.M. Garg, efloraofindia, prasanna gogate, santhos...@gmail.com, le...@rediffmail.com, navend...@gmail.com, mpar...@gmail.com, kotta...@gmail.com, giby.ku...@gmail.com, rites...@gmail.com
The IUCN status assigned (by World Conservation Monitoring Center) to Nothopegia castanaefolia
(endemic to MH) is Critically Endangered
, based on the qualifying IUCN Criteria B1+2c.
The Criteria B
is applied here because this is a narrow endemic species, and qualifying to the threshold level of "Extent of occurrence estimated to be less than 100 km2
or area of occupancy estimated to be less than 10 km2"
. As per the rule it has to qualify at least two of the three sub-categories under B
, and this species qualifies to the sub-categories B1 and B2c.
The subcategory B1
denotes that the species is "Severely fragmented or known to exist at only a single location"
refers to the situation... "Continuing decline, observed, inferred or projected...in the area, extent and/or quality of habitat".
Vijayasankar RamanNational Center for Natural Products Research
University of Mississippi