Benjamin did however eventually prove successful in restoring a degree of unity to his fragmented population.

This species has an extremely small, severely fragmented population.

In Gloucestershire water voles have disappeared from the river systems and a few fragmented populations survive.

Despite of extensive research only a very few migrations were determined between the fragmented populations.

It is limited to four populations with a total of 200 to 500 individuals; this is sometimes described as one badly fragmented population.

The fragmented populations of this rare species are threatened by wildfires.

This is due to its restricted range, fragmented population, and threats from human agriculture and development activities.

It has a fragmented population and is threatened by conversion of its habitat to agricultural use.

The small range and fragmented populations of this species weigh heavily on its survival.

It is possible that smaller, fragmented populations occur in other areas.