Blog
Algae
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...
National Water Quality Month
August is National Water Quality Month, a time to recognize the critical importance of clean water for public health, the environment, and our economy. Safe, unpolluted water supports drinking supplies, agriculture, and healthy ecosystems. This month serves as a...
5 Things to Know About Blue-Green Algae
“Algae Season” is, unfortunately, in full bloom in the St. Johns River watershed. Harmful algae blooms (HABs) can prevent sunlight from reaching underwater plants (like the submerged aquatic vegetation we are fighting to SAVe), clog fish gills, and deplete oxygen from...
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...
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...
SAVe Our River’s Grasses: October 2024 Field Visit
In late October, St. Johns RIVERKEEPER (SJRK) returned to the river for its third and final 2024 field visit as part of the five-year SAVe Our River’s Grasses Expedition. This trip wrapped up year two of the expedition. We continue to seek answers that will lead...
2024 State of the River Report
The just-released 2024 State of the River Report for the Lower St. Johns River Basin (LSJRR) once again reveals significant reason for concern regarding the fragile health of our river and its tributaries. While a few of the river health indicators seem to be...