Which of the following is not a method of In-situ conservation?

Biosphere Reserve National parks Zoological Parks Biodiversity Hotspots

Zoological Parks

Threatened animals and plants are taken out from their natural habitat and placed in special setting where they can be protected and given special care. Zoological parks ,botanical gardens and wildlife safari parks serve this purpose. There are many animals that have become extinct in the wild but continue to be maintained in zoological parks.