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Aquatic Preserves

Oklawaha River Aquatic Preserve

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Oklawaha River Aquatic Preserve is in Central Florida near Ocala in Marion County. The Silver River flows about 5.5 miles before it connects with the Oklawaha River, which flows north into the St. Johns River and eventually into the Atlantic Ocean.

History

The Oklawaha River is one of the oldest rivers in Florida. Humans have used the Oklawaha River for fishing, hunting, travel and foraging since 7500 BC. Once threatened by the proposed Cross Florida Barge Canal, a 20-mile portion of the Oklawaha River, along with almost the entire length of the Silver River, was designated as the Oklawaha River Aquatic Preserve in 1989. This area is also recognized as an Outstanding Florida Water because of its diverse plant and animal communities.

Educational Opportunities

There is an informational exhibit about the Oklawaha River Aquatic Preserve at the Silver Springs State Park Discovery Center and Ray Wayside Park. Visitors can learn about the area's natural and cultural history at the Silver Springs State Park education center and the Silver River Museum. Staff from the Oklawaha River Aquatic Preserve also participate in local events and schools, providing educational opportunities.

Ongoing Research

Ongoing research in the Oklawaha River Aquatic Preserve includes monitoring and assessing the impacts of nonnative fauna on the ecosystem. This includes evaluating submerged and emergent aquatic vegetation compositions, surveying for and removing invasive species and coordinating with the Florida Park Service, Florida Fish and Wildlife Conservation Commission and St. Johns River Water Management District. Long-term monitoring of invasive species, water quality and vegetation is critical to understanding the health of the aquatic preserve and its ability to support diverse plant and animal life. This data is also important when reviewing the Basin Management Action Plan, minimum flows and levels, total maximum daily loads and other water quality and quantity restoration goals among partners.

Partner Groups

  • Florida Fish and Wildlife Conservation Commission
  • St. Johns River Water Management District
  • U.S. Army Corps of Engineers
  • U.S. Geological Survey
  • Silver Springs State Park
  • Florida Springs Institute
  • Marion County (including the Division of Parks and Recreation and Code Enforcement)
  • The Nature Conservancy
  • Aquatic Preserve Society

The Oklawaha River Aquatic Preserve has also participated in the Silver River Working Group, which sought to protect the water quality and quantity in the Silver Springs groundwater basin. Additionally, the preserve was a member of the Marion County Water Resources Stakeholders Group, which created land use regulations for development in critical spring recharge areas.

Oklawaha River Aquatic Preserve News
Silver River Waters

The cooler temperatures brought in small herds of manatees to the warm waters of the Silver River. Staff, volunteers and visitors all enjoy seeing these friendly, curious giants! The cooler temperatures also pushed the invasive tilapia to the headsprings. Staff focused on the ones in the emergent vegetation this week and any that were showing early signs of spawning, which include pairing up, turning white, and clearing vegetation for beds.

Girl Scouts Love State Parks

Silver Springs State Park, Wekiwa Springs State Park, and Oklawaha River Aquatic Preserve hosted “Girl Scouts Love State Parks”. On the morning of September 13, 100 Girl Scouts of all ages arrived at Silver Springs State Park excited and curious. They rotated through several stations where they learned about the aquatic food web with live animals to touch, prescribed burning, and what lives in the different habitats within the state parks.

Electrofishing on the Silver River

Oklawaha River Aquatic Preserve and FWC Freshwater Fisheries biologists partnered together to attempt an electrofishing event on the Silver River to remove invasive tilapia. FWC’s past attempts in spring systems earlier in the day were not successful because the tilapia were spooked before the electrofishing boat could even get close enough to deliver an effective electrical pulse.