Blog
SAVs
St. Johns River vegetation still feeling effects of Hurricane Irma
The following is an article by Dr. A. Quinton White, originally published in the Florida Times Union. — One of the key components for sustaining life in the St. Johns River is the submerged aquatic vegetation, or SAV, commonly called “eel grass.” The name...
2025 St. Johns Riverkeeper Recap
As we close the door on our milestone 25th anniversary year and look toward the next 25 years, we are grateful for your support. Thank you for standing by us as we fight for clean water and a healthy river. Thank you for supporting us as we educate the next generation...
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...