Is Everglades restoration good for fish?

Florida’s economy depends on healthy fish, but little is known about how Everglades restoration efforts affect some of the state’s most lucrative sport fish.

Cody Eggenberger

FIU student Cody Eggenberger is examining the impact on snook and tarpon in Florida Bay. Nestled between the Everglades and the Florida Keys, Florida Bay experienced major changes since the Everglades were drained for agriculture and development, including reduced water flow, high salinity and water contamination.

Eggenberger, a master’s student in the Department of Earth and Environment, is trying to find out how predators and oxygen levels in the water influence where the sport fish go and where they live. Recreational fishing is an important social and economic activity in Florida. The industry is worth $7.6 billion and supports nearly 109,300 jobs, according to the National Marine Fish Service.

“Florida is the fishing capital of the world,” Eggenberger said. “It’s crucial to understand what environmental conditions are needed to maintain healthy and sustainable sport fish populations. It’s critical to the economy.”

To follow the fish, Eggenberger implanted tags in nearly 60 snook and tarpon. He did this alongside Jennifer Rehage, researcher in the Florida Coastal Everglades Long Term Ecological Research (FCE LTER) Program. He is relying on the nearly 50 acoustic receivers placed by the Ocean Tracking Network and the FCE LTER Program throughout Florida Bay to know when and where fish are using habitats. The information could pave the way for better resource management and restoration practices in the Everglades.

Housed at FIU and funded by the National Science Foundation, the FCE LTER Program is dedicated to understanding how hydrology, climate change and people impact the Florida Everglades. Eggenberger’s research is also funded by the Everglades Foundation’s FIU ForEverglades Scholarship.


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