Extreme - probably less than 1 year remaining or already closed.
Critical - probably less than 3 years remaining.
Moderate - less than 20 years remaining.

Estimated years remaining before corridor will be closed are based on 2009 evaluation presented in report.

Types of wildlife corridor in Tanzania

Click on the title for more information on each type of corridor.

A - Unconfirmed corridors.
B - Uncultivated lands between protected areas without documentation on animal movement.
C - Continuous or semi-continuous non-agricultural land between protected areas with anecdotal information on animal movements.
D - Known animal movement routes between two protected areas.
E - Potential connectivity of important habitats.