Explain as to how protection of biodiversity hot spots alone can reduce up to $30 \%$ of the current rate of species extinction.
All the biodiversity hotspots put together cover less than $2$ per cent of the earth's land area
the number of species they collectively harbour is extremely high.
Strict protection of these hot spots could reduce the ongoing mass extinctions by almost $30$ per cent.
In your opinion, which is the most effective way to conserve the plant diversity of an area?
Definitions / Explanation:
$(i)$ Ecosystem diversity
$(ii)$ National parks
An example of ex situ conservation is
What is true approximate percentage of the earth covered by hot spots?