The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.
Acute salt marsh dieback in the Mississippi River deltaic plain: a drought‐induced phenomenon?
Open accessAbstract
Aims Extensive dieback of salt marsh dominated by the perennial grass Spartina alterniflora occurred throughout the Mississippi River deltaic plain during 2000. More than 100,000 ha were affected, with 43,000 ha severely damaged. The aim of this work was to determine if sudden dieback could have been caused by a coincident drought and to assess the significance of this event with respect to long‐term changes in coastal vegetation. Location Multiple dieback sites and reference sites were established along 150 km of shoreline in coastal Louisiana, USA. Methods Aerial and ground surveys were conducted from June 2000 to September 2001 to assess soil conditions and plant mortality and recovery. Results Dieback areas ranged in size from ∼300 m 2−5 km 2 in area with 50–100% mortality of plant shoots and rhizomes in affected zones. Co‐occurring species such as Avicennia germinans (black mangrove) and Juncus roemerianus (needlegrass rush) were unaffected. Historical records indicate that precipitation, river discharge, and mean sea level were unusually low during the previous year. Although the cause of dieback is currently unknown, plant and soil characteristics were consistent with temporary soil desiccation that may have reduced water availability, increased soil salinity, and/or caused soil acidification (via pyrite oxidation) and increased uptake of toxic metals such as Fe or Al. Plant recovery 15 months after dieback was variable (0–58% live cover), but recovering plants were vigorous and indicated no long‐lasting effects of the dieback agent. Main conclusions These findings have relevance for global change models of coastal ecosystems that predict vegetation responses based primarily on long‐term increases in sea level and submergence of marshes. Our results suggest that large‐scale changes in coastal vegetation may occur over a relatively short time span through climatic extremes acting in concert with sea‐level fluctuations and pre‐existing soil conditions.
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In southern marshes, drought was a primary stressor driving the dieback.
“In southern marshes, drought was a primary stressor driving the dieback (2,33).”
From A Tripartite Interaction Between Spartina alterniflora, Fusarium palustre, and the Purple Marsh Crab (Sesarma reticulatum) Contributes to Sudden Vegetation Dieback of Salt Marshes in New England (2014) · cites this paper as [33]
The Results and Discussion report that dieback coincided with extreme drought and that drought, together with reduced tidal flooding, may have decreased water availability or increased salinity. But the paper says the cause was unknown; it does not establish drought as the primary stressor driving the dieback. No page number is available in our copy. (LLM, conf=0.89)
Experimental — accuracy not yet measuredThe authors' findings agree with the general hypothesis that an abiotic stressor such as drought initiates SVD.
“Although our findings are in agreement with the general hypothesis that an abiotic stressor, such as drought, initiates SVD (2,18,33), this report is the first demonstration of a tripartite interaction between a crab, pathogen, and plant that hinders recovery from SVD.”
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Citations
Cites
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Flagged first, then by citations
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Cited by
Sorted by citations
Drought, Snails, and Large-Scale Die-Off of Southern U.S. Salt Marshes
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Self-citationSalt Marsh Dieback: An overview of recent events in the US
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McFarlin, C., & Alber, M. (2013) · Marine Ecology Progress Series · doi:10.3354/meps10184 · Cited by 19
Metadata
- Authors
- McKee, K. L., Mendelssohn, I. A., & D. Materne, M.
- Affiliations
- United States Geological Survey (US)
- Louisiana State University (US)
- Corresponding author
- McKee, Karen L.
- ORCID
- McKee, Karen L.
- Venue
- Global Ecology and Biogeography
- Publisher
- Wiley
- Published
- 2004-01
- Volume
- 13
- Issue
- 1
- Pages
- 65-73
- ISSN
- 1466-822X (ISSN-L)
- 1466-8238
- OpenAlex
- W1933687830
- Cited by
- 245
- References
- 21
- Citations by year
- 2026: 8 · 2025: 8 · 2024: 11 · 2023: 9 · 2022: 6 · 2021: 21 · 2020: 21 · 2019: 15 · 2018: 15 · 2017: 17 · 2016: 13 · 2015: 8 · 2014: 7 · 2013: 14 · 2012: 12
- FWCI
- 6.00
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Global Ecology and Biogeography (publishedVersion)
- Funders
- National Oceanic and Atmospheric Administration
- Louisiana Sea Grant, Louisiana State University
- Topics
- Physical Sciences › Environmental Science › Ecology › Coastal wetland ecosystem dynamics
- Physical Sciences › Environmental Science › Ecology › Ecology and biodiversity studies
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal plant biology
- Keywords
- Spartina alterniflora, drought, soil salinity, soil acidification, pyrite oxidation, coastal vegetation change, plant recovery, sea-level change, climate extremes, coastal Louisiana
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