All the following are included under in situ conservation except

Botanical gardens (i.e. man-made areas that maintain living plant collections representing a large number of species, genera and families) are the means of ex situ conservation outside the natural habitats).
In situ conservation involves the conservation of genetic resources through their maintenance within natural ecosystems in which they occur. It includes National Parks, sanctuaries, Biosphere Reserves, natural reserves, natural monuments, cultural landscapes, etc.