State of the Reserve
February 26, 2026
Oral Presentations
Mangroves, Nitrogen, and Oyster Rakes: Insights and Updates from the WETFEET Project- Lisa Chambers, University of Central Florida
Mangroves on the Move: Decoupled Responses to Nutrient Enrichment in the Saltmarsh-Mangrove Ecotone- Loraé T. Simpson, St. Johns River Water Management District
Plant and Depth Controls on Organic Matter Decomposition in the Florida Marsh–Mangrove Ecotone- Jose Rolando, University of Florida
Establishing long-term marsh migration monitoring in the GTMNERR- Serina Wittyngham, University of North Florida
Save Our Swales: Vulnerability and Effective Management for Resilient Coastal Freshwater Wetlands- Scott Jones, University of North Florida
Southeast Coast Inventory and Monitoring Network at Fort Matanzas National Monument: Understanding Coastal Ecosystem Change Through Vital Signs- William C. Vervaeke, National Park Service
Remote Sensing to Inform Coastal Restoration: Tracking Habitat Changes in Florida’s Coastal Wetlands- Adam Hymel, University of Florida
A Song of Marsh, Mud, and Mangrove: Using Sediment to Restore Florida’s Changing Coastal Wetlands- Britney Hay, University of Florida
Impacts of Shifts in Tidal Wetlands on Saltmarsh Mosquito Management in St. Johns County, Florida- Lauren Van Rhee, Anastasia Mosquito Control District
Track that fish! Acoustic telemetry research in the GTM NERR: what have we learned and where do we go from here? Matthew Bernanke, GTMNERR; Phil Stevens, Florida Fish and Wildlife Conservation Commission; and James Liao, University of Florida
Reconstructing past oyster population metrics with the geohistorical record: A case study in Guana River, Florida- Jaleigh Goben, Cornell University
The 2024-2025 Archaeological Investigation of the Tolomato Bar Anchorage, the Working Waterfront of Grant’s Villa (British Plantation 1768-1783) and Minorcan Farmsteads (1783 through the 19th Century)- Chuck Meide, Lighthouse Archaeological Maritime Project
Poster Presentations Session 1
Establishing a Long-term Population Study of Box Turtle (Terrapene carolina spp.) at the GTMNERR- Nichole D. Bishop, and Henry McClure, Flagler College
Investigating Impacts of Anthropogenic Noise on Gopher Tortoise Behavior- Tara Coffin, Mae Swenson, Alison Swart, Adelyn Meyers, and Benjamin K. Atkinson, Flagler College
DNA Alignments of Microsatellite Regions to Assess Genetic Diversity in the Unique Bermudian Diamondback Terrapin Population- Terri Seron, Benjamin Atkinson, Vaughn Blanchet, Christina Mark, Adrianna Peluso, Kaelyn Tumminelli, and Isabella Valladares, Flagler College
Using Air Temperature as a Proxy for Sea Turtle Nest Beach Incubation Temperature within the GTMNERR- Jeffrey L. Finnan, GTMNERR Volunteer
Investigating Marsh Bird Diversity at the Saltmarsh-Mangrove Ecotone Using Passive Acoustic Monitoring- Madeleine Doiron, and Elijona Soe, Flagler College
The Role of Marsh Periwinkle (Littoraria irrorata) in the Nitrogen Budget of a Shifting Marsh-Mangrove Ecotone- Trinity Flores, Samantha Chapman, Adam Langley, and Shelby Ziegler, Villanova University
Tropicalization of Coastal Wetlands: Long-Term Fish Community Shifts and Sportfish Dynamics Across a Changing Saltmarsh–Mangrove Ecotone- Meredith Pratt, and Geoffrey Cook, University of Central Florida
Fish Assemblages and Water Quality Trends in the GTMNERR: Past, Present, and Future- Kaylee Tallon, and Maria Laura Habegger, University of North Florida
Spatial and temporal patterns of plant community diversity are markers of resilience to saltwater intrusion- Emily Hill, Megan M. Howkins, Ellen R. Speirs, Elizabeth Terwilliger, and Scott F. Jones, University of North Florida
Timing Matters: Understanding Spartina alterniflora seed development at the Guana Tolomato Matanzas National Estuarine Research Reserve- Tori Guarino, C. Reinhardt Adams, L. Reynolds, and C. Rohal, University of Florida
Poster Presentations Session 2
Soil Fraction Controls on Nitrogen Mineralization and Greenhouse Gas Fluxes in Coastal Wetlands- Mercedez Pinzon, and Lisa Chambers, University of Central Florida, and Samantha Chapman, and Adam Langley, Villanova University
Nitrogen loading and its effect on permanganate oxidizable carbon and microbial activity- Sophia Canabal, and Lisa Chambers, University of Central Florida
Nitrogen Storage and Cycling: Effects of Mangrove Encroachment, Nitrogen Enrichment, and Hydrogeomorphic Setting on Soil Organic Matter Stability and Denitrification- Erin Tilly, Mercedes Pinzon, and Lisa Chambers, University of Central Florida, and Samantha Chapman and Adam Langley, Villanova University
Migrating mangroves change carbon dioxide and methane gas exchange in coastal salt marshes- Elizabeth Mazel, Maija Zidek, Adam Krogmann, Jake Segars, and Scott Jones, University of North Florida, and Samantha Chapman, Villanova University
Mapping Mangrove Expansion Using WorldView Imagery: A Comparison of Object-Based and Pixel-Based Classification Approaches- Samantha L. Russo, and Loraé T. Simpson, St. Johns River Water Management District, and William C. Vervaeke, National Park Service
Sedimentation Rates and Elevation Change in the GTMNERR Wetlands- Jacob Berna, GTMNERR
Two Decades of Chlorophyll-a in the Guana Tolomato Matanzas Estuary- Shannan McAskill, St. Johns River Water Management District
Sweet Relief: Assessing Human Wastewater Tracers in the GTMNERR- John Dickens, GTMNERR
Traversing the Tolomato: An Investigation of Potential Eutrophication Within the GTM Research Reserve- Megan M. Howkins, GTMNERR