Abstract
Florida’s Big Bend in the northeastern Gulf of Mexico contains the second-largest contiguous seagrass meadow in the continental United States, providing numerous ecosystem functions and services, including carbon cycling and storage. We present 21 years of mapping data and 13 years of annual in-water monitoring that reveal extensive declines in area, species frequency of occurrence (FO), and percent cover of seagrass. Seagrass area declined by 15% to 85,170 ha in 2022. Subregions in the southern Big Bend experienced extensive seagrass losses of 90–100%. North of the Steinhatchee River, the Northern Big Bend contained 85% of the total seagrass area and experienced losses of only 8.4%. The FO of seagrass and bare quadrats exhibited similar trends to areal coverage. The lowest FO along with complete loss of species was observed near the mouth of the Suwannee River. At a distance from the Suwannee River, FO also declined, but no species were lost. In the remainder of the Big Bend, FO remained stable except for short-term reductions in 2013–2014, which were likely related to anomalously high runoff from rainfall and tropical storm activity. Mean percent cover, however, declined throughout Big Bend, reaching minimal levels in 2014, with little to no recovery through 2019. The persistence of low percent cover may increase vulnerability of beds to continuing areal losses, but the persistence of seagrass species at a distance from the Suwannee River mouth may allow recovery if environmental conditions improve.
Similar content being viewed by others
References
Abal EG, Dennison WC (1996) Seagrass depth range and water quality in southern Moreton Bay, Queensland, Australia. Mar Freshwat Res 47:763–771
Beck MW, Heck KL, Able KW, Childers DL, Eggleston DB, Gillanders BM, Halpern B, Hays CG, Hoshino K, Minello TJ, Orth RJ, Sheridan PF, Weinstein MP (2001) The identification, conservation, and management of estuarine and marine nurseries for fish and invertebrates: a better understanding of the habitats that serve as nurseries for marine species and the factors that create site-specific variability in nursery quality will improve conservation and management of these areas. BioSciences 51:633–641. 10.1641/0006-3568(2001)051[0633:TICAMO]2.0.CO;2
Beron-Vera FJ, Olascoaga MJ (2009) An assessment of the importance of chaotic stirring and turbulent mixing on the West Florida Shelf. J Phys Oceanogr 39:1743–1755
Beven JL II (2013) Tropical Storm Andrea. National Hurricane Center Tropical Cyclone Report. National Oceanic and Atmospheric Administration, Miami, FL. https://www.nhc.noaa.gov/data/tcr/AL012013_Andrea.pdf
Brenner J, Jiménez JA, Sardá R, Garola A (2010) An assessment of the non-market value of the ecosystem services provided by the Catalan coastal zone, Spain. Ocean Coast Manag 53:27–38
Burkholder JM, Tomasko DA, Touchette BW (2007) Seagrasses and eutrophication. J Exp Mar Biol Ecol 350:46–72
Carlson PR Jr, Johnsey E, Yarbro LA (2018) Summary report for the Northern Big Bend region. In: Yarbro LA, Carlson PR Jr. (eds.) Seagrass Integrated Mapping and Monitoring Report No. 3, Fish and Wildlife Research Institute Technical Report TR-17 version 3. Florida Fish and Wildlife Conservation Commission, St. Petersburg, FL
Carlson Jr PR, Yarbro LA, Kaufman KA, Mattson RA (2010) Vulnerability and resilience of seagrasses to hurricane and runoff impacts along Florida’s west coast. Hydrobiologia 649:39–53
Carlson PR, Yarbro L, Johnsey E, Carlson D (submitted) Optical water quality and its impacts on seagrasses in Apalachee Bay, Florida (USA)
Christianen JA, Dennison WC (2018) Seagrass ecosystem trajectory depends on the relative timescales of resistance, recovery and disturbance. Mar Pollut Bull 134:166–176
Costanza R, d’Arge R, DeGroot R, Farber S et al. (1997) The value of the world’s ecosystem services and natural capital. Nature 387:253–260
Cullen-Unsworth LC, Unsworth RKF (2016) Strategies to enhance the resilience of the world’s seagrass meadows. J Appl Ecol 53:967–972
Davis RA (1997) Geology of the Florida Coast. In Randazzo AF, Jones DS (eds) The Geology of Florida. University Presses of Florida, Gainesville, FL, p 155–168
De Falco G, Baroli M, Murru E, Piergallini G, Cancemi G (2006) Sediment analysis evidences two different depositional phenomena influencing seagrass distribution in the Gulf of Oristano (Sardinia, Western Mediterranean). J Coast Res 22:1043–1050
Dewsbury BM, Bhat M, Fourqurean JW (2016) A review of seagrass economic valuations: Gaps and progress in valuation approaches. Ecosyst Serv 18:68–77
Duarte B, Martins I, Rosa R, Matos AR, Roleda MY et al. (2018) Climate change impacts on seagrass meadows and macroalgal forests: an integrative perspective on acclimation and adaptation potential. Front Mar Sci 5. https://doi.org/10.3389/fmars.2018.00190
Duarte CM, Middelburg JJ, Caraco N (2005) Major role of marine vegetation on the oceanic carbon cycle. Biogeosci Discuss 1:659–679
Duffy JE (2006) Biodiversity and the functioning of seagrass ecosystems. Mar Ecol Progr Ser 311:233–250
Fahrig L (2003) Effects of habitat fragmentation on biodiversity. Ann Rev Ecol Syst 34:487–515
Fletcher SW, Fletcher WW (1995) Factors affecting changes in seagrass distribution and diversity patterns in the Indian River Lagoon complex between 1940 and 1992. Bull Mar Sci 57:49–58
Florida Department of Transportation (1999) Florida Land Use, Cover and Forms Classification System. A Handbook. Division of Surveying and Mapping, Geographic Mapping Section, Tallahassee, FL
Florida State University Florida Climate Center. Station Tallahassee Municipal Airport. https://climatecenter.fsu.edu/products-services/data/1991-2020-normals/tallahassee. Accessed May 2023
Fonseca M, Whitfield PE, Kelly NM, Bell SS (2002) Modeling seagrass landscape pattern and associated ecological attributes. Ecol Appl 12:218–237. https://doi.org/10.1890/1051-0761(2002)012[0218:MSLPAA]2.0.CO;2
Fourqurean JW, Duarte CM, Kennedy H, Marbà N, Holmer M, Mateo MA et al. (2012a) Seagrass ecosystems as a globally significant carbon stock. Nat Geosci 5:505–509. https://doi.org/10.1038/NGEO1477
Fourqurean JW, Kendrick GA, Collins LS, Chambers RM, Vanderklift MA (2012b) Carbon, nitrogen, and phosphorus storage in subtropical seagrass meadows: examples from Florida Bay and Shark Bay. Mar Freshwat Res 63:967–983
Grech A, Chartrand-Miller K, Erftemeijer P, Fonseca M, McKenzie L, Rasheed M, Taylor H, Coles R (2012) A comparison of threats, vulnerabilities and management approaches in global seagrass regions. Environ Res Lett 7:024006
Greening H, Janicki A, Sherwood ET, Pribble R, Johansson JOR (2014) Ecosystem responses to long-term nutrient management in an urban estuary: Tampa Bay, Florida, USA. Estuar Coast Shelf Sci 151:A1–A16
Hale JA, Frazer TK, Tomasko DA, Hall MO (2004) Changes in the distribution of seagrass species along Florida’s central Gulf coast: Iverson and Bittaker revisited. Estuaries 27:36–43
Heck KL, Hayes G, Orth RJ (2003) Critical evaluation of the nursery role hypothesis for seagrass meadows. Mar Ecol Progr Ser 253:123–136
Heck Jr KL, Valentine JF (2007) The primacy of top-down effects in shallow benthic ecosystems. Estuaries Coasts 30:371–381. https://doi.org/10.1007/BF02819384
Heithaus MR, Alcoverro T, Arthur R, Burkholder DA, Coates KA, Christianen MJA, Kelkar N, Manuel SA, Wirsing AJ, Kenworthy WJ, Fourqurean JW (2014) Seagrasses in the age of sea turtle conservation and shark overfishing. Front Mar Sci 1:28. https://doi.org/10.3389/fmars.2014.00028
Hiron L, Miron P, Shay LK, Johns WE, Chassignet EP, Bozec A (2022) Lagrangian coherence and source of water of Loop Current Frontal Eddies in the Gulf of Mexico. Progr Oceanogr 208. https://doi.org/10.1016/j.pocean.2022.102876
Holmer M (2019) Productivity and biogeochemical cycling in seagrass ecosystems. In: Perillo G, Wolanski E, Cahoon D, Hopkinson C (eds) Coastal Wetlands, 2nd edn. Elsevier, Amsterdam, Netherlands, p 443–477
Iverson RL, Bittaker HF (1986) Seagrass distribution and abundance in Eastern Gulf of Mexico coastal waters. Estuar Coast Shelf Sci 22:577–602
Jackson JBC, Kirby MX, Berger WH, Bjorndahl KA, Botsford LW, Bourque BJ et al. (2001) Historical overfishing and the recent collapse of coastal ecosystems. Science 293:629–638. https://doi.org/10.1126/science.1059199
Lee K-S, Park SR, Kim YK (2007) Effects of irradiance, temperature, and nutrients on growth dynamics of seagrasses: a review. J Exp Mar Biol Ecol 350:144–175
Lefebvre LW, Reid JP, Kenworthy WJ, Powell JA (1999) Characterizing manatee habitat use and seagrass grazing in Florida and Puerto Rico: implications for conservation and management. Pac Conserv Biol 5:289–298
Lefebvre LW, Provancha JA, Stone DH, Kenworthy WJ (2017) Manatee grazing impacts on a mixed species seagrass bed. Mar Ecol Progr Ser 564:29–45
Livingston RJ (1984) The relationship of physical factors and biological response in coastal seagrass meadows. Estuaries 7:377–390
Livingston RJ (1990) Inshore marine habitats. In: Meyers RL, Ewel JJ (eds) Ecosystems of Florida. University of Central Florida Press, Orlando, FL, p 549–573
Livingston RJ, McGlynn SE, Niu X (1998) Factors controlling seagrass growth in a gulf coastal system: water and sediment quality and light. Aquat Bot 60:135–159
Mattson RA (1999) Ch. 20 Seagrass ecosystem characteristics, research, and management needs in the Florida Big Bend, In: Bortone, SA (ed.) Seagrasses: monitoring, ecology, physiology, and management. CRC Press, Boca Raton, FL, p 259–277
Mattson RA, Frazer TK, Hale J, Blitch S, Ahijevych L (2007) Florida Big Bend. In: Handley LR, Altsman D, DeMay R (eds) Seagrass status and trends in the Northern Gulf of Mexico: 1940–2002. Scientific Investigations Report 2006–5287, U.S. Environmental Protection Agency 855-R-04-003, Washington, D.C., p 171–188
Mauzole YL (2022) Objective delineation of persistent SST fronts based on global satellite observations. Remote Sens Environ 269:112798. https://doi.org/10.1016/j.rse.2021.112798
McHenry J, Rassweiler A, Hernan G, Uejio CK, Pau S, Dubel AK, Lester SE (2021) Modelling the biodiversity enhancement value of seagrass beds. Divers Distrib 27:2036–2049
McNulty JK, Lindall WN Jr., Sykes JE (1972) Cooperative Gulf of Mexico Estuarine Inventory and Study, Florida: Phase I, Area Description. NOAA Technical Report NMFS CIRC-368, US Dept of Commerce, Washington D.C.
Meals DW, Spooner J, Dressing SA, Harcum JB (2011) Statistical analysis for monotonic trends. Tech Notes 6, November 2011. Developed for the U.S. Environmental Protection Agency by Tetra Tech, Inc. Fairfax, VA, p 23
Montefalcone M, Parravicini V, Vacchi M, Albertelli G, Ferrari M, Morri C, Bianchi CB (2010) Human influence on seagrass habitat fragmentation in NW Mediterranean Sea. Estuar Coast Shelf Sci 86:292–298
Morris L, Hall LM, Miller JD, Lasi MA, Chamberlain RH, Virnstein RW, Jacoby CA (2021) Diversity and distribution of seagrasses as related to salinity, temperature, and availability of light in the Indian River Lagoon, Florida. Fla Sci 84:119–137
Morris LJ, Hall LM, Jacoby CA, Chamberlain RH, Hanisak MD, Miller JD, Virnstein RW (2022) Seagrass in a changing estuary, the Indian River Lagoon, Florida, United States. Front Mar Sci. 8. https://doi.org/10.3389/fmars.2021.789818
National Hurricane Center (2023) Hurricane Idalia https://www.nhc.noaa.gov/archive/2023/al10/al102023.update.08301145.shtml
Neckles HA, Kopp BS, Peterson BJ, Pooler PS (2012) Integrating scales of seagrass monitoring to meet conservation needs. Estuar Coasts 35:23–46
NV5 Geospatial (2023) SWFWMD: Biennial seagrass – Suncoast 2022 (W331) photointerpretation key of seagrass coverage TWA: 21TW0003612. A Report. St. Petersburg, FL, p 32
Orth RJ, Carruthers TJB, Dennison WC, Duarte CM, Fourqurean JW, Heck Jr KL, Hughes AR, Kendrick GA, Kenworthy WJ, Olyarnik S, Short FT, Waycott M, Williams SL (2006) A global crisis for seagrass ecosystems. Bioscience 56:987–996
Palumbi SR, McLeod KL, Grὓnbaum D (2008) Ecosystems in action: lessons from marine ecology about recovery, resistance, and reversibility. Bioscience 58:33–42
Phillips RC (1960) Observations on the ecology and distribution of the Florida seagrasses. Report Number 44, Florida State Board of Conservation Marine Laboratory, St. Petersburg, Florida
Poiner IR, Peterkin C (1996) Seagrasses In: Zann LP, Kailola P (eds) The State of the Marine Environment Report for Australia. Technical Annex 1:40–45
Potouroglou M, Bull JC, Krauss KW, Kennedy HA, Fusi M, Daffonchio D, Mangora MM, Githaiga MN, Diele K, Huxham M (2017) Measuring the role of seagrasses in regulating sediment surface elevation. Nat Sci Rep 7:11917. https://doi.org/10.1038/s41598-017-12354-y
Ralph PJ, Tomasko D, Moore K, Seddon S, Macinnis-Ng CMO (2006) Human impacts on seagrasses: eutrophication, sedimentation and contamination. In: Larkum AWD, Orth RJ, Duarte CM (eds) Seagrasses: biology, ecology, and conservation. Springer, Dordrecht, The Netherlands, p 567–593
Ralph PJ, Durako MJ, Enriquez S, Collier CJ, Doblin MA (2007) Impact of light limitation on seagrasses. J Exp Mar Biol Ecol 350:173–193
Ricart AM, Ward M, Hill TM, Sanford E, Kroeker KJ, Takeshita Y, Merolla S, Shukla P, Ninokawa AT, Elsmore K, Gaylord B (2021) Coast-wide evidence of low pH amelioration by seagrass ecosystems. Glob Change Biol 27:2580–2591
Robbins BD, Bell SS (2000) Dynamics of a subtidal seagrass landscape: seasonal and annual change in relation to water depth. Ecology 81:1193–1205
Rodemann JR, James WR, Santos RO et al. (2021) Impact of extreme disturbances on suspended sediment in Western Florida Bay: implications for seagrass resilience. Front Mar Sci 8. https://doi.org/10.3389/fmars.2021.633240
Rodriguez RW, Webb RMT, Bush DM (1994) Another look at the impact of Hurricane Hugo on the shelf and coastal resources of Puerto Rico, USA. J Coast Res 10:278–296
Schaffler JJ, van Montfrans J, Jones CM, Orth RJ (2013) Fish species distribution in seagrass habitats of Chesapeake Bay are structured by abiotic and biotic factors. Mar Coast Fish 5:114–124
Sherwood ET, Greening HS, Johansson JOR, Kaufman K, Raulerson GE (2017) Tampa Bay (Florida, USA): Documenting seagrass recovery since the 1980’s and reviewing the results. Southeast Geogr 57:294–319
Short FT, Wyllie-Echeverria S (1996) Natural and human-induced disturbance of seagrasses. Environ Conserv 23:17–27. https://doi.org/10.1017/S0376892900038212
Stipek C, Santos R, Babcock E, Lirman D (2020) Modelling the resilience of seagrass communities exposed to pulsed freshwater discharges: a seascape approach. PLoS ONE. https://doi.org/10.1371/journal.pone.0229147
Su J, Cai W-J, Brodeur J, Chen B, Hussain N, Yao Y, Ni C, Testa JM, Li M, Xie X, Ni W, Scaboo KM, Xu Y-Y, Cornwell J, Gurbisz C, Owens MS, Waldbusser GG, Dai M, Kemp WM (2020) Chesapeake Bay acidification buffered by spatially decoupled carbonate mineral cycling. Nat Geosci 13:441–447. https://doi.org/10.1038/s41561-020-0584-3
Suwannee River Water Management District. Water Data Portal (2023) https://www.mysuwanneeriver.com/507/Water-Data-Portal. Accessed May 2023
Suwannee River Water Management District (2017a) Coastal Rivers Basin Surface Water Improvement and Management (SWIM) Plan. Live Oak, FL. https://www.mysuwanneeriver.com/DocumentCenter/View/12025/Coastal-Rivers-Basin-SWIM-Plan. Accessed May 2023
Suwannee River Water Management District (2017b) Suwannee River basin Surface Water Improvement and Management (SWIM) Plan. Live Oak, FL. https://www.mysuwanneeriver.com/DocumentCenter/View/12027/Suwannee-River-Basin-SWIM-Plan. Accessed May 2023
Suwannee River Water Management District (2023) Suwannee River Basin 2023 Surface Water Improvement and Management (SWIM) Plan. Live Oak, FL. https://www.mysuwanneeriver.com/DocumentCenter/View/18912/2023-Suwannee-Basin-SWIM-Plan?bidId. Accessed October 2023
Todd AC, Morey SL, Chassignet EP (2014) Circulation and cross-shelf transport in the Florida Big Bend. J Mar Res 72:445–475
Tomasko D, Alderson M, Burnes R, Hecker J, Iadevaia N, Leverone J, Raulerson G, Sherwood E (2020) The effects of Hurricane Irma on seagrass meadows in previously eutrophic estuaries in Southwest Florida (USA). Mar Pollut Bull 156:111247
Unsworth RKF, Collier CJ, Henderson GM, McKenzie LJ (2012) Tropical seagrass meadows modify seawater carbon chemistry: Implications for coral reefs impacted by ocean acidification. Environ Res Lett 7. https://doi.org/10.1088/1748-9326/7/2/024026
USGS Water Data. Water year summary for Site USGS 02323000 Suwannee River near Bell, FL. (2023) https://nwis.waterdata.usgs.gov/nwis/wys_rpt?wys_water_yr=2009&site_no=02323000&agency_cd=USGS&adr_water_years=2006%2C2007%2C2008%2C2009%2C2010%2C2011%2C2012%2C2013%2C2014%2C2015%2C2016%2C2017%2C2018%2C2019&referred_module. Accessed May 2023
Van Katwijk MM, van der Welle MEW, Lucassen ECHET, Vonk JA, Christianen MJA, Kiswara W, Inayat al Hakim I, Arifin A, Bouma TJ, Roelofs JGM, Lamers LPM (2011) Early warning indicators for river nutrient and sediment loads in tropical seagrass beds: a benchmark from a near-pristine archipelago in Indonesia. Mar Pollut Bull 62:1512–1520
Van Tussenbroek BI, Santo M, van Dijk J, Alcaraz SN, Calderon M (2008) Selective elimination of rooted plants from a tropical seagrass bed in a back-reef lagoon: a hypothesis tested by Hurricane Wilma (2005). J Coast Res 24:278–281
Waycott M, Duarte CM, Carruthers TJB, Orth RJ, Dennison WC, Olyarnik S, Calladine A, Fourqurean JW, Heck Jr KL, Hughes AR, Kendrick GA, Kenworthy WJ, Short FT, Williams SL (2009) Accelerating loss of seagrass across the globe threatens coastal ecosystems. Proc Nat Acad Sci USA 106:12377–12381
Weaver KF, Morales V, Dunn SL, Godde K, Weaver PF (2017) An introduction to statistical analysis in research: with applications in the biological and life sciences. Wiley, Hoboken, NJ. https://doi.org/10.1002/9781119454205.ch10
Weisberg RH, He R (2003) Local and deep-ocean forcing contributions to anomalous water properties on the West Florida Shelf. J Geophys Res 108(C6):3184. https://doi.org/10.1029/2002JC001407
Weisberg RH, He R, Kirkpatrick GJ, Muller-Karger FE, Walsh JJ (2004) Coastal ocean circulation influences on remotely sensed optical properties: a West Florida Shelf case study. Oceanogr 17:68–75
Yang H, Weisberg RH, Niiler PP, Sturges W, Johnson W (1999) Lagrangian circulation and forbidden zone on the West Florida Shelf. Cont Shelf Res 19:1221–1245
Yarbro LA, Carlson PR Jr (eds) (2016) Seagrass Integrated Mapping and Monitoring Program Mapping and Monitoring Report No. 2. FWRI Technical Report TR-17 version 2.0, St. Petersburg, FL
Zimmerman MS, Livingston RL (1979) Dominance and distribution of benthic macrophyte assemblages in a north Florida estuary (Apalachee Bay, Florida). Bull Mar Sci 29:27–40
Acknowledgements
Many people and agencies contributed to this project. Sampling began on a small scale in 2002 with funding from the Suwannee River Water Management District. By 2004, in-water assessment protocols were well established, and this effort was incorporated into the Seagrass Integrated Mapping and Monitoring program of the Florida Fish and Wildlife Research Institute in 2009. Agencies contributing funds include the Suwannee River Water Management District, the Florida Department of Environmental Protection Coastal Management Program, U.S. Environmental Protection Agency Gulf of Mexico Program, the U.S. Fish and Wildlife Service State Wildlife Grants program, the National Aeronautics and Space Administration (NASA ROSES 2008 A.28 NNX09AT59G; NASA ROSES 2016 A.31 NNH16ZDA001N-RSWQ), and the National Fish and Wildlife Foundation Gulf Environmental Benefits Program (GEBF FN003 49540). People contributing to this project include Herman Arnold, Kevin Madley, Keri Ferenc, Manuel Merello, Chris McCan, Courtney Saari, Grayson Austin, Mike Poniatowski, Sheila Scolaro, Mike Mosser, Allison Patranella, Sarah Nappier, Samantha Scrudato, Brian Durnan, Anthony Knapp, Corday Selden, Phillip Meylan, Tess Danielson, Paul Julian, Marc Julian, Marc Folker, Alice Ketron, Stephanie Sunderman, Darlene Saindon, Crystal York, Alison Giovannetti, and Makenzie Marsh. Data access: mapping data https://doi.org/10.5281/zenodo.7987707, cover data https://doi.org/10.5281/zenodo.7987740.
Funding
Agencies contributing funds include the Suwannee River Water Management District, the Florida Department of Environmental Protection Coastal Management Program, U.S. Environmental Protection Agency Gulf of Mexico Program, the U.S. Fish and Wildlife Service State Wildlife Grants program, the National Aeronautics and Space Administration (NASA ROSES 2008 A.28 NNX09AT59G; NASA ROSES 2016 A.31 NNH16ZDA001N-RSWQ), and the National Fish and Wildlife Foundation Gulf Environmental Benefits Program (GEBF FN003 49540).
Author information
Authors and Affiliations
Contributions
PC contributed to the study conception and design. Material preparation, data collection, and analysis were performed by PC, LY, and EJ. LY prepared the figures and tables and wrote the text of the manuscript. All authors read and approved the final manuscript.
Corresponding author
Ethics declarations
Conflict of interest
The authors declare no competing interests.
Additional information
Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Rights and permissions
Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
About this article
Cite this article
Yarbro, L.A., Carlson, P.R. & Johnsey, E. Extensive and Continuing Loss of Seagrasses in Florida’s Big Bend (USA). Environmental Management 73, 876–894 (2024). https://doi.org/10.1007/s00267-023-01920-y
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00267-023-01920-y