GCE 4 Area 2 Research Georgia Coastal Ecosystems LTER Project

Dept. of Marine Sciences University of Georgia Athens Georgia 30602-3636 USA

gcelter@uga.edu https://gce-lter.marsci.uga.edu/ 2026

GCE4 Area2 - Long-term Patterns within the Domain

GCE4 Area2 - Long-term Patterns within the Domain (more information)

LTER NSF GCE 2019-02-01 2025-01-30

National Science Foundation grant number OCE-1832178.

Dunn, R., Saidy, C. and Pennings, S.C. 2026. Variable trait responses to rapid sea level rise in a foundational grass across a coastal marsh landscape. 114(e70345). (DOI: 10.1111/1365-2745.70345) Hawman, P. and Mishra, D. 2026. A Dataset of Vertical Carbon Fluxes from a Georgia Tidal Salt Marsh from 2014 to 2024. Scientific Data. (DOI: 10.1038/s41597-026-06571-2) https://www.nature.com/articles/s41597-026-06571-2 Costomiris, G., Hladik, C.M. and Craft, C.B. 2024. Multivariate Analysis of the Community Composition of Tidal Freshwater Forests on the Altamaha River, Georgia. Special Issue: Coastal Forest Dynamics and Coastline Erosion—Series II. Forests. 15(1). (DOI: 10.3390/f15010200) https://doi.org/10.3390/f15010200 Yang, Z., Alexander, C.R. Jr. and Alber, M. 2024. The dynamics of marsh-channel slump blocks: an observational study using repeated drone imagery. Biogeosciences. 21:1757-1772. (DOI: 10.5194/bg-21-1757-2024) https://bg.copernicus.org/articles/21/1757/2024/ Meile, C. 2023. Presentation: Carbon fluxes and environmental drivers in an intertidal marsh. , April 27, Chungham National University, Dajeon, South Korea. Narron, C., O'Connell, J.L., Mishra, D., Cotten, D.L., Hawman, P. and Mao, L. 2022. Flooding in Landsat across tidal systems (FLATS): An index for intermittent tidal filtering and frequency detection in salt marsh environments. Ecological Indicators. 141:109045. (DOI: 10.1016/j.ecolind.2022.109045) http://gce-lter.marsci.uga.edu/public/uploads/1-s2.0-S1470160X22005167-main_20220708T200751.pdf Robinson, M., Alexander, C.R. Jr. and Venherm, C. 2022. Shallow Water Estuarine Mapping in High-Tide-Range Environments: A Case Study from Georgia, USA. Special Issue: Shallow Water Mapping. Estuaries and Coasts. 45:980-999. (DOI: https://doi.org/10.1007/s12237-021-01032-y) Schalles, J.F., Hladik, C.M., O'Donnell, J., Miklesh, D.M., Pudil, T., Nealy, N. and Currin, H. 2021. Presentation: Serious multidecadal declines in aboveground biomass of the keystone salt marsh species, Spartina alterniflora, are related to climate change in coastal Georgia, USA. Wetlandscapes: Understanding the Large-scale Wetland Functions in the Landscape Symposium. 11th INTECOL International Wetlands Conference, October 14, 2021, Christchurch, New Zealand (virtual, prerecorded). Schalles, J.F., Hladik, C.M., O'Donnell, J., Miklesh, D.M., Pudil, T. and Nealy, N. 2021. Presentation: Satellite and drone remote sensing to study decadal scale and high resolution spatial-temporal patterns and declines of Spartina alterniflora above-ground biomass in Georgia, USA salt marshes. Session 2. 1st International Symposium on Coastal Ecosystems and Global Change (CoEco1), April 18, 2021, Xiamen University, Xiamen, China. O'Connell, J.L., Alber, M., Mishra, D. and Byrd, K. 2020. Presentation: Structural heterogeneity in above vs belowground biomass pools differ for Spartina alterniflora monocultures, with consequences for forecasting ecosystem resiliency. Ecological Society of America. O'Connell, J.L., Alber, M. and Pennings, S.C. 2020. Microspatial differences in soil temperature cause phenology change on par with long-term climate warming in salt marshes. Ecosystems. 23:498–510. (DOI: https://doi.org/10.1007/s10021-019-00418-1) https://link.springer.com/article/10.1007/s10021-019-00418-1 Liu, W. and Pennings, S.C. 2019. Self-thinning and size-dependent flowering of the grass Spartina alterniflora across space and time. Functional Ecology. 33:1830-1841. (DOI: 10.1111/1365-2435.13384) Alber, M. and O'Connell, J.L. 2019. Elevation drives gradients in surface soil temperature within salt marshes. Geophysical Research Letters. 46:5313-5322. (DOI: https://doi.org/10.1029/2019GL082374) https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2019GL082374 Letourneau, M.L. and Medeiros, P.M. 2019. Dissolved organic matter composition in a marsh-dominated estuary: Response to seasonal forcing and to the passage of a hurricane. Journal of Geophysical Research: Biogeosciences. 124:1545-1559. (DOI: 10.1029/2018JG004982) https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018JG004982 Miklesh, D.M. and Meile, C. 2018. Controls on porewater salinity in a Southeastern salt marsh. PeerJ. 6:e5911. (DOI: 10.7717/peerj.5911) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6230441/