3.3 Change of key barriers
The Barrier Mapper analysis identified four key barrier areas (A, B, C
and D) for restoring connectivity for North China leopard across the
landscape (Fig. 4). As a result of land use changes, the migration path
across the barrier area A in 1990 was not detected in 2020. Within the
barrier area B and D, the important barriers to migration corridors
identified by Barrier Mapper indicated a further increasing trend.
Within the barrier area C, barriers to migration corridors tended to
slow down. In contrast, in the area E, new connectivity corridors
appeared, which were more conducive to improve the connectivity between
core areas and promote species migration.