Conservation.

In situ: Species remain in their habitat.

• establish protected areas such as national parks, protected by restricting urban development/industrial development and farming.
• controlling or preventing the introduction of species that threaten local biodiversity e.g. red and grey squirrels.
• protecting habitats e.g. controlling water levels to conserve wetlands and coppicing to conserve woodlands.
• restoring damaged areas.
• promoting particular species and giving legal protection to endangered species. 

Larger populations can be protected and its less disruptive.

Ex situ: Species are removed from their habitat.

• relocating to a safer area e.g. white rhinos with poachers.
• breeding in…