How many biodiversity hot spots have been identified in the world?
$30$
$3$
$34$
$20$
Is it possible that productivity and diversity of a natural community remain constant over a time period of, say one hundred years ?
$Log S = log C+ Z log A\ Z$ represents.
Suggest a place where one can go to study coral reefs, mangrove vegetation and estuaries.
Susceptibility to extinction is due to
Number of red list categories prepared by $WCU\; (IUCN)$ is