The Niobrara Valley Preserve Land Steward (Land Steward) develops, manages , and implements conservation programs, plans , and strategies at the Niobrara Valley Preserve. The Land Steward provides technical leadership and support to the Nebraska Chapter and plans and directs some aspects of preserve management programs and stewardship. They address critical threats to natural systems and individual species, foster cross-site learning among conservation communi ties , and suppl y conservation planning teams with site or landscape - level information relevant to the planning process . The Land Steward maintains areas frequented by the visiting public, assists with fleet, facilities, tool, and equipment maintenance, removes exotic species, operates heavy machinery, and oversees bison and cattle grazing infrastructure such as water and fencing. The Land Steward may oversee technicians and volunteers to accomplish conservation programs and preserve maintenance , and they m ay assist with outreach and education events on and off the preserve.