21.   Maintained as a nature preserve by the National Park Service, the canyon is a habitat for many endangered and threatened species.

22.   Much of its land is now a nature preserve.

23.   Now it is a nature preserve, an enormous but relatively shallow estuary noted for bird life.

24.   Olivia Newton-John roams the vast nature preserves of Kangaroo Island off the coast of South Australia when she needs to recharge her batteries.

25.   One of the areas affected is Skomer Island, a nature preserve.

26.   Ranchers in east-central Kansas have opposed prairie restoration when they have thought there was a possibility that their land might be taken for nature preserves or parks.

27.   Ruley regarded the property he owned as a nature preserve, and he populated his paintings with guardian heroes.

28.   Severin makes the paradoxical discovery that endangered species seem to do better outside the supposedly protected nature preserves established by the Indonesian government.

29.   She established the Medway Environmental Trust for educational purposes and to make sure that Medway would forever be managed as a nature preserve.

30.   Some members of the community are using land on the nearby nature preserve to pressure the government to give them land to farm.