Education
2024 - Ph.D. in Biology, Florida International University
Campbell Global Change Biology Lab
Advisor: Dr. Justin Campbell
2023 - M.S. in Biology, Florida International University
Campbell Global Change Biology Lab
Advisor: Dr. Justin Campbell
Algae Research Group
Previous Advisor: Dr. Niclas Engene
2017 - B.S. in Marine Biology, Honors College, Florida International University
Marine Macroalgae Research Lab
Undergraduate Research Advisor: Dr. Ligia Collado-Vides
Positions
January 2026 to PRESENT
Postdoctoral Associate at Eastern Shore Laboratory,
Virginia Institute of Marine Science
William & Mary
March 2025 to December 2025
Postdoctoral Fellow at Harbor Branch Oceanographic Institute,
Florida Atlantic University
January 2025 to March 2025
Postdoctoral Associate at the Institute of Environment (IoE),
Florida International University
May 2024 to December 2024
University Graduate School Dissertation Year Fellow (DYF)
May 2023 to August 2024
Research Experience for Teachers (RET) Mentor
August 2018 to April 2024
Graduate Head Teaching Assistant
Courses: General Microbiology (MCB 3020L)
August 2018 to April 2024
Graduate Teaching Assistant
Courses: General Microbiology (MCB 3020L), General Biology II (BSC 2011L), Marine Reserves/ Marine Protected Areas (PCB 4467C & PCB 5418C)
Publications
Nauer, F., Hatt, D. C., Duran, A., Velazquez, J., Guzman, S., Campbell, J.E., Fujii M.T., and Collado-Vides, L. (in review).Synergistic local and global stressors shape the phenology and physiological limits of a model red macroalga in South Florida. Journal of Experimental Marine Biology and Ecology.
Hatt, D. C., Iporac, L.A.R., Arita, J.T., Bally, N.K., and Collado-Vides, L. 2025. Assessing the interconnectivity across complex dimensions of monitoring pelagic species of Sargassum and the role of citizen science. Harmful Algae. 102939
Hatt, D. C., Nauer, F., Collado-Vides, L., and Campbell, J.E. 2025. Physiological responses of pelagic Sargassum (Phaeophyceae) vary across species and morphotypes. Applied Phycology. 6 (1): 1-19.
Hatt, D. C., Iporac, L.A.I, Bally, N. K., Olszak, S., Campbell, J.E., and Collado-Vides, L. (2024). Comprehensive analysis of biomass, nutrient, and heavy metal contributions from pelagic Sargassum (sargasso) inundations in South Florida. Phycology. 4(2): 235-255.
Nauer, F., Freshwater, D.W., Hatt, D. C., Duran, A., Oliveira M.C., Campbell, J.E., Fujii M.T., and Collado-Vides, L. (2024). Diversity of Hypnea (Rhodophyta) in South Florida, with description of H. spiniformis sp. nov. Phytotaxa, 635 (1): 43-58.
Iporac, L.A.I, Hatt, D. C., Bally, N. K., Castro, A., Cardet, E., Mesidor, R., Olszak, S., Duran, A., Burkholder D. A., and Collado-Vides, L. (2022). Community-based monitoring reveals spatiotemporal variation of sargasso inundation levels and morphotype dominance across the Caribbean and South Florida. Aquatic Botany, 182, 103546.
Hatt, D.C. and Collado-Vides, C. (2019). A comparative analysis of the organic and inorganic carbon content of Halimeda and Penicillus (Chlorophyta, Bryopsidales) in a coastal subtropical lagoon. Botanica Marina, 62 (4):323-326.