Blog
SAVs
This Week in the 904 Interview with the St. Johns Riverkeeper, Lisa Rinaman
What is the state of the St. Johns River? What are the current threats to the river? Why is submerged aquatic vegetation (SAV) important? How do we improve SAV growth in the St. Johns? How many springs feed the St. Johns? How will breaching the Rodman/Kirkpatrick Dam...
State of the River: WJCT Interview
The St. Johns Riverkeeper, Lisa Rinaman, joins adjunct professor for the Department of Biology and Marine Science at Jacksonville University, Dr. Gerry Pinto, for an interview with WJCT’s Anne Schindler focusing on the 2026 Lower St. Johns River Report (view the...
Watershed-Wide Crisis Requires A Watershed Movement
Submerged aquatic vegetation (SAV) is the foundation of our river’s health – providing biofiltration, fish habitat, erosion control, oxygenation of the water column, carbon sequestration and storage, and more. Alarmingly, SAV is struggling throughout the St. Johns...
Advocating for Action: SAVe Our River’s Grasses
On Friday, November 7, 2025, Lisa Rinaman and Soraya Aidinejad presented the results of three years of data collection during our SAVe Our River’s Grasses Expedition to state and federal agencies and other organizations working to protect our river’s struggling...
Sheltering Grasses, Supporting Manatees
Research to Foster Long-term Manatee Habitat Restoration The Florida manatee (Trichechus manatus latirostris), an iconic symbol of natural Florida, can be found in the waters of the St. Johns River throughout the year. Manatees feed primarily on submerged aquatic...
May 2025 SAVe Our River’s Grasses Expedition Breakdown
From May 27–30, 2025, St. Johns RIVERKEEPER (SJRK) conducted the first field visit of Year 3 of the SAVe Our River’s Grasses Expedition, continuing efforts to investigate the alarming decline of submerged aquatic vegetation (SAV) in the St. Johns River. The team...
Expanding Effort to Restore River Habitat
In preparation of Year Three of the SAVe Our River’s Grasses Expedition, St. Johns Riverkeeper is Forging New Partnerships From April 28 to May 2, 2025, St. Johns RIVERKEEPER (SJRK) is joining forces with Coastal Conservation Association (CCA) Florida and Mighty River...
2024 St. Johns Riverkeeper Recap
As we enter our 25th anniversary year, we are grateful for your support and our joint accomplishments over the past quarter century – for the river – to ensure a healthy river ecosystem for generations to come. Today, we reflect on 2024 and our annual progress and...