Journal article
Relationships between ecosystem properties and sea-level rise vulnerability of tidal wetlands of the U.S. Mid-Atlantic
Environmental monitoring and assessment, v 194(4), pp 292-292
24 Mar 2022
PMID: 35325310
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Tidal wetlands in the Mid-Atlantic, USA, are experiencing high rates of relative sea level rise, and it is unclear whether they will be resilient in the face of future flooding increases. In a previous study, we found 80% of our study areas in tidal freshwater and salt marshes in the Delaware Estuary and Barnegat Bay had elevation change rates lower than the 19-year increase in mean sea level. Here, we examine relationships between marsh elevation dynamics and abiotic and biotic parameters in order to assess their utility as indicators of vulnerability to relative sea level rise. We further apply a range of marsh vulnerability indicators including elevation change rates to evaluate their ability to corroborate marsh habitat change over the last 30 years. Of the field measurements, soil bulk density and belowground plant biomass were among the strongest predictors of elevation change and accretion dynamics across all marsh types and settings. Both tidal freshwater and salt marshes tended to have higher rates of elevation increase and surface accretion in areas where soil bulk density and live belowground biomass were higher. Nine of the ten marshes experienced a net loss of area from the 1970s to 2015 ranging from 0.05 to 14%. Although tidal freshwater marshes were low in elevation and experienced variable elevation change rates, marsh area loss was low. Conversely, salt marshes closest to the coast and perched high in the tidal frame with a higher degree of human modification tended to experience the greatest marsh loss, which incorporated anthropogenic impacts and edge erosion. Thus, our regional assessment points to the need for a comprehensive understanding of factors that influence marsh resilience including human modifications and geomorphic settings.
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Details
- Title
- Relationships between ecosystem properties and sea-level rise vulnerability of tidal wetlands of the U.S. Mid-Atlantic
- Creators
- Tracy Elsey-Quirk - Academy of Natural Sciences of Drexel UniversityElizabeth B Watson - Drexel UniversityKirk Raper - Drexel UniversityDanielle Kreeger - Wilmington UniversityBhanu Paudel - Delaware Department of Natural Resources and Environmental ControlLeeAnn Haaf - Academy of Natural Sciences of Drexel UniversityMartha Maxwell-Doyle - Ocean County CollegeAngela Padeletti - Wilmington UniversityErin Reilly - Ocean County CollegeDavid J Velinsky - Drexel University
- Publication Details
- Environmental monitoring and assessment, v 194(4), pp 292-292
- Publisher
- Springer Nature
- Grant note
- NA10OAR4170061 / National Oceanic and Atmospheric Administration 1325466 / National Science Foundation NA14OAR4170085 / National Oceanic and Atmospheric Administration 4721-ANS-NOAA-0061 / Pennsylvania Sea Grant, Pennsylvania State University CD97207600 / U.S. Environmental Protection Agency
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Biodiversity, Earth, and Environmental Science (BEES)
- Web of Science ID
- WOS:000772828100004
- Scopus ID
- 2-s2.0-85127035613
- Other Identifier
- 991019169543804721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Environmental Sciences