 Their distribution and abundance are highly influenced by the combination of human disturbance and change in the climate. Both of them influence the catchment area that resulted in the changing of vegetation, hydrology, and nutrient cycle .
<coherence>  Their distribution and abundance are highly influenced by the combination of human disturbance and change in the climate. Both of them influence the catchment area that resulted in the changing of vegetation, hydrology, and nutrient cycle .
 Their distribution and abundance are highly influenced by the combination of human disturbance and changes in climate, both of which influence the catchment area that resulted in the changing of vegetation, hydrology, and nutrient cycle .