Iowa Department of Natural Resources | 6,386 followers on LinkedIn. Leading Iowans in caring for our natural resources. | The Iowa Department of Natural Resources manages fish and wildlife programs, ensures the health of Iowa’s forests and prairies, and provides recreational opportunities in Iowa’s state parks. Just as importantly, the DNR carries out state and federal laws that protect air, land and water through technical assistance, permitting and compliance programs. The DNR also encourages the enjoyment and stewardship of natural resources among Iowans through outreach and education.