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A group of children in orange and blue t-shirts stand in front of a tree-lined riverbank.
Young Conservationists Students from the Chickasaw Nation's Head Start Program recently planted native trees at Oka' Yanahli Preserve. © Sarah McCall / TNC
Stories in Oklahoma

Fall Tree Planting at Oka' Yanahli Preserve

The Nature Conservancy in Oklahoma partners with the Chickasaw Nation to plant outdoor classroom area

On October 7, more than a dozen Chickasaw Head Start students helped plant trees at The Nature Conservancy’s Oka' Yanahli Preserve along the banks of the Blue River. Meaning “flowing water” in Chickasaw, this preserve protects two miles of the river, one of only two free-flowing rivers in Oklahoma. The Oklahoma Forestry Department awarded Chickasaw Nation a grant for the trees, which will help with carbon conservation around the river.

“We planted 25 trees to honor our tradition of cultural resiliency and to establish a living classroom for our youth to come and learn,” said Jennie Mosely, director of the Chickasaw Nation Department of Land Sustainability. Introducing youth to the area and to the traditional concepts of land stewardship are important tools of conservation.

The location of the preserve and the type of trees planted are also important to Chickasaw culture, heritage and tradition. The significant site is located on the Blue River and was once Chickasaw allotment land. The selected trees are native to the area and include burr oak, pecan, black walnut and others. Signs at the base of the trees denote the species and the Chickasaw name for each tree.

The tree planting project also helped enhance The Nature Conservancy’s ongoing conservation work on the preserve. “The trees the Chickasaw Nation planted here fit in perfectly with our restoration efforts,” shared Katie Gillies, director of conservation for The Nature Conservancy in Oklahoma. “This used to be hardwood bottom land and was turned into meadow. We are actively working to restore it.” Once the trees are established, the area is planned to be used as an outdoor classroom.

A river winds through a forested area as the sun sets.
Blue River It supports agriculture, manufacturing, tourism and recreation and is a water source for more than 150,000 people in cities like Ada, Sulphur and Durant. © Going West Production

Quote: Jennie Mosely

We planted 25 trees to honor our tradition of cultural resiliency and to establish a living classroom for our youth to come and learn.

Director of the Chickasaw Nation Department of Land Sustainability

Learn more about the Blue River

TNC, along with the help of the Chickasaw Nation and many others, purchased 3,600 acres along two miles of the upper Blue River in 2012. The Blue River and the Arbuckle-Simpson Aquifer, which sustains the river, are globally significant for the wide assortment of endemic life they support. The basin also encompasses a variety of freshwater ecosystems from rolling prairies, limestone outcrops, oak forests in granite canyons to bottomland hardwood forests.

Additionally, the Blue River accounts for 54% of the discharge from the eastern portion of the Arbuckle-Simpson Aquifer and provides drinking water for the City of Durant, which is ranked the fastest growing rural city in Oklahoma. A growing population dramatically increases the demand for water and places additional strain on the aquifer.

A group of children plants a tree with help from The Nature Conservancy staff.
Teaming up for Nature Students in the Chickasaw Nation's Head Start Program plant a tree with Oka' Yanahli Preserve Manager Haley Bloomquist. © Sarah McCall / TNC