Personnel Profiles

• Mailing address:
• Southeast Environmental Research Center
• Florida International University
• 11200 SW 8th St, OE 148
• Miami, FL 33199
• Email: fourqure@fiu.edu

Troxler, T., G. Starr, J.N. Boyer, J.D. Fuentes, R. Jaffe, S.L. Malone, J.G. Barr, S.E. Davis, L. Collado-Vides, J.L. Breithaupt, A.K. Saha, R.M. Chambers, C.J. Madden, J.M. Smoak, J.W. Fourqurean, G. Koch, J. Kominoski, L.J. Scinto, S. Oberbauer, V.H. Rivera-Monroy, E. Castañeda-Moya, N.O. Schulte, S.P. Charles, J.H. Richards, D.T. Rudnick, and K.R.T. Whelan. 2019. Chapter 6: Carbon Cycles in the Florida Coastal Everglades Social-Ecological System across Scales, in Childers, D.L., E.E. Gaiser and L.A. Ogden (eds.) The Coastal Everglades: The Dynamics of Social-Ecological Transformation in the South Florida Landscape. Oxford University Press : New York, New York.

Kennedy, H., J.W. Fourqurean, and S. Papadimitriou. 2018. The Calcium Carbonate Cycle in Seagrass Ecosystems, in Windham-Myers, L., S. Crooks and T. Troxler (eds.) The State of Coastal Wetland Carbon Science, Practice and Policy. CRC Press : Boca Raton, Florida.

Julian, P., J.W. Fourqurean, S.E. Davis, D.D. Surratt, E.E. Gaiser, J. Kominoski, T. Troxler, J.N. Boyer, S.E. Thomas, H.O. Briceno, C.J. Madden, E. Montes, and C.R. Kelble. 2024. Long-term patterns and trends in water column biogeochemistry in a changing environment. Estuarine, Coastal and Shelf Science 306: 108896.

Zeller, M., B. Van Dam, C. Lopes, A.M. McKenna, C. Osburn, J.W. Fourqurean, J. Kominoski, and M.E. Bottcher. 2024. The unique biogeochemical role of carbonate-associated organic matter in a subtropical seagrass meadow. Communications Earth & Environment 5: 681.

Fourqurean, J.W. et al. 2023. Seagrass abundance predicts surficial soil organic carbon stocks across the range of Thalassia testudinum in the Western North Atlantic. Estuaries and Coasts 46: 1280-1301.

Krause, J.R., C. Lopes, S.S. Wilson, J.N. Boyer, H.O. Briceno, and J.W. Fourqurean. 2023. Status and trajectories of soft-bottom benthic communities of the South Florida seascape revealed by 25 years of seagrass and water quality monitoring. Estuaries and Coasts 46: 477-493.

Kennedy, H., J.F. Pages, D. Lagomasino, A. Arias-Ortiz, P. Colarusso, J.W. Fourqurean, M.N. Githaiga, J. Howard, D. Krause-Jensen, T. Kuwae, P.S. Lavery, P.I. Macreadie, N. Marba, P. Masque, I. Mazarrasa, T. Miyajima, O. Serrano, and C.M. Duarte. 2022. Species traits and geomorphic setting as drivers of global soil carbon stocks in seagrass meadows. Global Biogeochemical Cycles 36: e2022GB007481.

Howard, J., C. Lopes, S. Wilson, V. McGee-Absten, C. Carrion, and J.W. Fourqurean. 2021. Decomposition rates of surficial and buried organic matter and the lability of soil carbon stocks across a large tropical seagrass landscape. Estuaries and Coasts 44: 846-866.

Van Dam, B., C. Lopes, P. Polsenaere, R.M. Price, A. Rutgersson, and J.W. Fourqurean. 2021. Water temperature control on CO2 flux and evaporation over a subtropical seagrass meadow revealed by atmospheric eddy covariance. Limnology and Oceanography 66: 510-527.

Van Dam, B., M. Zeller, C. Lopes, A.R. Smyth, M.E. Bottcher, C. Osburn, T. Zimmerman, D. Profrock, J.W. Fourqurean, and H. Thomas. 2021. Calcification-driven CO2 emissions exceed “Blue Carbon” sequestration in a carbonate seagrass meadow. Science Advances 7: eabj1372.

Van Dam, B., P. Polsenaere, A. Barreras-Apodaca, C. Lopes, Z. Sanchez-Mejia, T. Tokoro, T. Kuwae, L. Gutierrez Loza, A. Rutgersson, J.W. Fourqurean, and H. Thomas. 2021. Global trends in air-water CO2 exchange over seagrass meadows revealed by atmospheric eddy covariance. Global Biogeochemical Cycles 35: e2020GB006848.

Wilson, S., B. Furman, M.O. Hall, and J.W. Fourqurean. 2020. Assessment of Hurricane Irma impacts on south Florida seagrass communities using long-term monitoring programs. Estuaries and Coasts 43: 1119-1132.

Macreadie, P.I. et al. 2019. The future of Blue Carbon science. Nature Communications 10: 3998.

Saderne, V., N.R. Geraldi, P.I. Macreadie, D.T. Maher, J.J. Middelburg, O. Serrano, H. Almahasheer, A. Arias-Ortiz, M. Cusack, B.D. Eyre, J.W. Fourqurean, H. Kennedy, D. Krause-Jensen, T. Kuwae, P.S. Lavery, C.E. Lovelock, N. Marba, P. Masque, M.A. Mateo, I. Mazarrasa, K.J. McGlathery, M.P.J. Oreska, C.J. Sanders, I.R. Santos, J.M. Smoak, T. Tanaya, K. Watanabe, and C.M. Duarte. 2019. Role of carbonate burial in Blue Carbon budgets. Nature Communications 10: 1106.

Van Dam, B., C. Lopes, C. Osburn, and J.W. Fourqurean. 2019. Net heterotrophy and carbonate dissolution in two subtropical seagrass meadows. Biogeosciences 16: 4411-4428.

Arias-Ortiz, A., O. Serrano, P. Masque, C.M. Duarte, P.S. Lavery, U. Mueller, G.A. Kendrick, M. Rozaimi, A. Esteban, J.W. Fourqurean, N. Marba, M.A. Mateo, K. Murray, and M. Rule. 2018. A marine heat wave drives massive losses from the world's largest seagrass carbon stocks. Nature Climate Change 8: 338-344.

Campbell, J.E., and J.W. Fourqurean. 2018. Does nutrient availability regulate seagrass response to elevated CO2. Ecosystems 21: 1269-1282.

Fargione, J.E. et al. 2018. Natural climate solutions for the United States. Science Advances 4: eaat1869.

Howard, J., J.C. Creed, M.V.P. Aguiar, and J.W. Fourqurean. 2018. CO₂ released by carbonate sediment production in some coastal areas may offset the benefits of seagrass "Blue Carbon" storage. Limnology and Oceanography 63: 160-172.

Frankovich, T.A., D.T. Rudnick, and J.W. Fourqurean. 2017. Light attenuation in estuarine mangrove lakes. Estuarine, Coastal and Shelf Science 184: 191-201.

Armitage, A.R., and J.W. Fourqurean. 2016. Carbon storage in seagrass soils: long-term nutrient history exceeds the effects of near-term nutrient enrichment . Biogeosciences 13: 313-321.

Dewsbury, B.M., M. Bhat, and J.W. Fourqurean. 2016. A review of economic valuations of seagrass ecosystems. Ecosystem Services 18: 68-77.

Howard, J., A. Perez, C. Lopes, and J.W. Fourqurean. 2016. Fertilization changes seagrass community structure but not blue carbon storage: results from a 30-year field experiment. Estuaries and Coasts 39: 1422-1434.

Atwood, T.B., R.M. Connolly, E. Ritchie, C.E. Lovelock, M.R. Heithaus, G.C. Hays, J.W. Fourqurean, and P.I. Macreadie. 2015. Predators help protect carbon stocks in blue carbon ecosystems. Nature Climate Change 5: 1038-1045.

Gaiser, E.E., E.P. Anderson, E. Castañeda-Moya, L. Collado-Vides, J.W. Fourqurean, M.R. Heithaus, R. Jaffe, D. Lagomasino, N. Oehm, R.M. Price, V.H. Rivera-Monroy, R. Roy Chowdhury, and T. Troxler. 2015. New perspectives on an iconic landscape from comparative international long-term ecological research. Ecosphere 6: art181.

Campbell, J.E., and J.W. Fourqurean. 2014. Ocean acidification outweighs nutrient effects in structuring seagrass epiphyte communities. Journal of Ecology 102: 730-737.

Baggett, L.P., K.L. HeckJr., T.A. Frankovich, A.R. Armitage, and J.W. Fourqurean. 2013. Stoichiometry, growth, and fecundity responses to nutrient enrichment by invertebrate grazers in sub-tropical turtlegrass (Thalassia testudinum) meadows. Marine Biology 160: 169-180.

Burkholder, D., J.W. Fourqurean, and M.R. Heithaus. 2013. Spatial pattern in seagrass stoichiometry indicates both N-limited and P-limited regions of an iconic P-limited subtropical bay. Marine Ecology Progress Series 472: 101-115.

Campbell, J.E., and J.W. Fourqurean. 2013. Mechanisms of bicarbonate use influence photosynthetic CO2 sensitivity of tropical seagrasses. Limnology and Oceanography 58: 839-848.

Campbell, J.E., and J.W. Fourqurean. 2013. Effects of in situ CO2 enrichment on the structural and chemical characteristics of the seagrass Thalassia testudinum. Marine Biology 160: 1465-1475.

Troxler, T. et al. 2013. Integrated carbon budget models for the Everglades terrestrial-coastal-oceanic gradient: current status and needs for inter-site comparisons. Oceanography 26: 98-107.

Belicka, L., D. Burkholder, J.W. Fourqurean, M.R. Heithaus, S.A. Macko, and R. Jaffe. 2012. Stable isotope and fatty acid biomarkers of seagrass, epiphytic, and algal organic matter to consumers in a nearly pristine seagrass ecosystem . Marine and Freshwater Research 63: 1085-1097.

Burkholder, D., M.R. Heithaus, and J.W. Fourqurean. 2012. Feeding preferences of herbivores in a relatively pristine subtropical seagrass ecosystem. Marine and Freshwater Research 63: 1051-1058.

Campbell, J.E., L.A. Yarbro, and J.W. Fourqurean. 2012. Negative relationships between the nutrient and carbohydrate content of the seagrass Thalassia testudinum. Aquatic Botany 99: 56-60.

Cawley, K.M., Y. Ding, J.W. Fourqurean, and R. Jaffe. 2012. Characterising the sources and fate of dissolved organic matter in Shark Bay, Australia: a preliminary study using optical properties and stable carbon isotopes. Marine and Freshwater Research 63: 1098-1107.

Fourqurean, J.W., C.M. Duarte, H. Kennedy, N. Marba, M. Holmer, M.A. Mateo, E.T. Apostolaki, G.A. Kendrick, D. Krause-Jensen, K.J. McGlathery, and O. Serrano. 2012. Seagrass ecosystems as a globally significant carbon stock. Nature Geoscience 5: 505-509.

Fourqurean, J.W., G.A. Kendrick, L.S. Collins, R.M. Chambers, and M.A. Vanderklift. 2012. Carbon, nitrogen and phosphorus storage in subtropical seagrass meadows: examples from Florida Bay and Shark Bay. Marine and Freshwater Research 63: 967-983.

Frankovich, T.A., J.G. Barr, D. Morrison, and J.W. Fourqurean. 2012. Differing temporal patterns of Chara hornemannii cover correlate to alternate regimes of phytoplankton and submerged aquatic-vegetation dominance. Marine and Freshwater Research 63: 1005-1014.

Fraser, M.W., G.A. Kendrick, P. Grierson, J.W. Fourqurean, M.A. Vanderklift, and D.I. Walker. 2012. Nutrient status of seagrasses cannot be inferred from system-scale distribution of phosphorus in Shark Bay, Western Australia. Marine and Freshwater Research 63: 1015-1026.

Kendrick, G.A., J.W. Fourqurean, M.W. Fraser, M.R. Heithaus, G. Jackson, K. Friedman, and D. Hallac. 2012. Science behind management of Shark Bay and Florida Bay, two P-limited subtropical systems with different climatology and human pressures. Marine and Freshwater Research 63: 941-951.

Price, R.M., G. Skrzypek, P. Grierson, P.K. Swart, and J.W. Fourqurean. 2012. The use of stable isotopes of oxygen and hydrogen to identify water sources in two hypersaline estuaries with different hydrologic regimes . Marine and Freshwater Research 63: 952-966.

Armitage, A.R., T.A. Frankovich, and J.W. Fourqurean. 2011. Long-term effects of adding nutrients to an oligotrophic coastal environment. Ecosystems 14: 430-444.

Campbell, J.E., and J.W. Fourqurean. 2011. Novel methodology for in situ carbon dioxide enrichment of benthic ecosystems. Limnology and Oceanography Methods 9: 97-109.

Frankovich, T.A., D. Morrison, and J.W. Fourqurean. 2011. Benthic macrophyte distribution and abundance in estuarine mangrove lakes and estuaries: Relationships to environmental variables. Estuaries and Coasts 34: 20-31.

Herbert, D.A., W.B. Perry, B.J. Cosby, and J.W. Fourqurean. 2011. Projected reorganization of Florida Bay seagrass communities in response to increased freshwater delivery from the Everglades. Estuaries and Coasts 34: 973-992.

Baggett, L.P., K.L. HeckJr., T.A. Frankovich, A.R. Armitage, and J.W. Fourqurean. 2010. Nutrient enrichment, grazer identity and their effects on epiphytic algal assemblages: field experiments in sub-tropical turtlegrass (Thalassia testudinum) meadows. Marine Ecology Progress Series 406: 33-45.

Dewsbury, B.M., and J.W. Fourqurean. 2010. Artificial reefs concentrate nutrients and alter benthic community structure in an oligotrophic, subtropical estuary. Bulletin of Marine Science 86: 813-828.

Fourqurean, J.W., M.F. Muth, and J.N. Boyer. 2010. Epiphyte loads on seagrasses and microphytobenthos abundance are not reliable indicators of nutrient availability in coastal ecosystems. Marine Pollution Bulletin 60: 971-983.

Fourqurean, J.W., T.J. Smith, J. Possley, T.M. Collins, D. Lee, and S. Namoff. 2010. Are mangroves in the tropical Atlantic ripe for invasion? Exotic mangrove trees in the forests of south Florida. Biological Invasions 12: 2509-2522.

Kennedy, H., J. Beggins, C.M. Duarte, J.W. Fourqurean, M. Holmer, N. Marba, and J.J. Middelburg. 2010. Seagrass sediments as a global carbon sink: Isotopic constraints. Global Biogeochemical Cycles 24: GB4026.

Armitage, A.R., and J.W. Fourqurean. 2009. Stable isotopes reveal complex changes in trophic relationships following nutrient addition in a coastal marine ecosystem. Estuaries and Coasts 32: 1152-1164.

Campbell, J.E., and J.W. Fourqurean. 2009. Interspecific variation in the elemental and stable isotopic content of seagrasses in South Florida. Marine Ecology Progress Series 387: 109-123.

Frankovich, T.A., A.R. Armitage, A. Wachnicka, E.E. Gaiser, and J.W. Fourqurean. 2009. Nutrient effects on seagrass epiphyte community structure in Florida Bay. Journal of Phycology 45: 1010-1020.

Herbert, D.A., and J.W. Fourqurean. 2009. Phosphorus availability and salinity control productivity and demography of the seagrass Thalassia testudinum in Florida Bay. Estuaries and Coasts 32: 188-201.

Madden, C.J., D.T. Rudnick, A.A. McDonald, K.M. Cunniff, and J.W. Fourqurean. 2009. Ecological indicators for assessing and communicating seagrass status and trends in Florida Bay. Ecological Indicators 9: S68-S82. doi:10.1016/j.ecolind.2009.02.004.

Herbert, D.A., and J.W. Fourqurean. 2008. Ecosystem structure and function still altered two decades after short-term fertilization of a seagrass meadow. Ecosystems 11: 688-700.

Ruiz-Halpern, S., S.A. Macko, and J.W. Fourqurean. 2008. The effects of manipulation of sedimentary iron and organic matter on sediment biogeochemistry and seagrasses in a subtropical carbonate environment. Biogeochemistry 87: 113-126.

Collado-Vides, L., V.G. Caccia, J.N. Boyer, and J.W. Fourqurean. 2007. Tropical seagrass-associated macroalgae distributions and trends relative to water quality. Estuarine Coastal and Shelf Science 73: 680-694.

Armitage, A.R., T.A. Frankovich, and J.W. Fourqurean. 2006. Variable responses within epiphytic and benthic microalgal communities to nutrient enrichment. Hydrobiologia 569: 423-435.

Gil, M., A.R. Armitage, and J.W. Fourqurean. 2006. Nutrient impacts on epifaunal density and species composition in a subtropical seagrass bed. Hydrobiologia 569: 437-447.

Peterson, B.J., F.J. Jochem, and J.W. Fourqurean. 2006. Potential role of sponge communities controlling phytoplankton blooms in Florida Bay. Marine Ecology Progress Series 328: 93-103.

Price, R.M., P.K. Swart, and J.W. Fourqurean. 2006. Coastal groundwater discharge - an additional source of phosphorus for the oligotrophic wetlands of the Everglades. Hydrobiologia 569: 23-36.

Armitage, A.R., T.A. Frankovich, K.L. HeckJr., and J.W. Fourqurean. 2005. Experimental nutrient enrichment causes complex changes in seagrass, microalgae, and macroalgae community structure in Florida Bay. Estuaries 28: 422-434.

Borum, J., O. Pedersen, T. Greve, T.A. Frankovich, J.C. Zieman, J.W. Fourqurean, and C.J. Madden. 2005. The potential role of plant oxygen and sulphide dynamics in die-off events of the tropical seagrass, Thalassia testudinum. Journal of Ecology 93: 148-158.

Collado-Vides, L., L.M. Rutten, and J.W. Fourqurean. 2005. Spatiotemporal variation of the abundance of calcareous green macroalgae in the Florida Keys: A study of synchrony within a macroalgal functional-form group. Journal of Phycology 41: 742-752.

Fourqurean, J.W., S.P. Escorcia, W.T. Anderson, and J.C. Zieman. 2005. Spatial and seasonal variability in elemental content, d13C and d15N of Thalassia testudinum from south Florida and its implication for ecosystem studies. Estuaries 28: 447-461.

Romero, L.M., J.W. Fourqurean, and T.J. Smith. 2005. Changes in mass and nutrient content of wood during decomposition in a south Florida mangrove forest. Journal of Ecology 93: 618-631.

Ferdie, M., and J.W. Fourqurean. 2004. Responses of seagrass communities to fertilization along a gradient of relative availability of nitrogen and phosphorus in a carbonate environment. Limnology and Oceanography 49: 2082-2094.

Fourqurean, J.W., and L.M. Rutten. 2004. The impact of Hurricane Georges on soft-bottom, backreef communities: site- and species-specific effects in south Florida seagrass beds. Bulletin of Marine Science 75: 239-257.

Zieman, J.C., J.W. Fourqurean, and T.A. Frankovich. 2004. Reply to B. E. Lapointe and P. J. Bariles comment on our paper Seagrass die-off in Florida Bay: long term trends in abundance and growth of turtlegrass, Thalassia testudinum. Estuaries 27: 165-172.

Anderson, W.T., and J.W. Fourqurean. 2003. Intra- and interannual variability in seagrass carbon and nitrogen stable isotopes from south Florida, a preliminary study. Organic Geochemistry 34: 185-194.

Fourqurean, J.W., and J. Schrlau. 2003. Changes in nutrient content and stable isotope ratios of C and N during decomposition of seagrasses and mangrove leaves along a nutrient availability gradient in Florida Bay, USA. Chemistry and Ecology 19: 373-390.

Fourqurean, J.W., J.N. Boyer, M.J. Durako, L.N. Hefty, and B.J. Peterson. 2003. Forecasting the response of seagrass distribution to changing water quality: statistical models from monitoring data. Ecological Applications 13: 474-489.

Fourqurean, J.W., and J.C. Zieman. 2002. Nutrient content of the seagrass Thalassia testudinum reveals regional patterns of relative availability of nitrogen and phosphorus in the Florida Keys, USA. Biogeochemistry 61: 229-245.

Peterson, B.J., C.D. Rose, L.M. Rutten, and J.W. Fourqurean. 2002. Disturbance and recovery following catastrophic grazing: studies of a successional chronosequence in a seagrass bed. Oikos 97: 361-370.

Chambers, R.M., J.W. Fourqurean, S.A. Macko, and R. Hoppenot. 2001. Biogeochemical effects of iron availability on primary producers in a shallow marine carbonate environment. Limnology and Oceanography 46: 1278-1286.

Arias-Ortiz, A., A. Lafratta, P. Colarusso, E. Diaz, J.W. Fourqurean, P.S. Lavery, C. Leiva, N. Marba, M.A. Mateo, I. Mazarrasa, C. Salinas, O. Serrano, N. Pineiro, A. Werner, M. Wesselmann, C.M. Duarte, J. Garcia-Orellana, and P. Masque. 2024. Rates of organic carbon accumulation in seagrass sediments worldwide. American Geophysical Union Annual Meeting 2024, Washington, D.C., December 10, 2024.

Krause, J.R., and J.W. Fourqurean. 2024. Global seagrass Blue Carbon stocks assessment: Seagrass carbon stocks paper. The Blue Carbon Initiative’s International Blue Carbon Science Working Group Meeting and Workshop, Cape Town, South Africa, September 2, 2024 - September 6, 2024.

Hormiga, S., E.E. Gaiser, J.W. Fourqurean, M.S. Ross, and R. Vidales. 2024. Coastal carbon flux: Periphyton contributions and diatom indicators. 2024 Ecological Society of America Annual Meeting, Long Beach, California, August 5, 2024.

Krause, J.R., J.S. Lefcheck, R.J. Orth, C. Patrick, L. Lizcano-Sandoval, L.J. McKenzie, L. Reshitnyk, F. Manning, Z.L. Monteith, M. Hessing-Lewis, P.H. York, M.A. Rasheed, A. Carter, S. McKenna, J.M.P. Vaudrey, R.M. Conolly, J.W. Fourqurean, and E. Duffy. 2024. Diverging trends of coastal ecosystem extent and condition: global seagrass monitoring highlights the need for coordinated data collection at multiple scales. 15th International Seagrass Biology Workshop, Napoli, Italy, June 19, 2024.

Zeller, M., B. Van Dam, A.M. McKenna, J. Diamond, C. Osburn, J.W. Fourqurean, J. Kominoski, and M.E. Bottcher. 2024. Carbonate-associated organic matter: A form of "dissolvable" organic matter? . European Geophysical Union General Assembly 2024, Vienna, Austria, April 19, 2024.