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Mangrove expansion and contraction at a poleward range limit: climate extremes and land‐ocean temperature gradients

Overview of attention for article published in Ecology, December 2016
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2 X users

Citations

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135 Dimensions

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198 Mendeley
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Title
Mangrove expansion and contraction at a poleward range limit: climate extremes and land‐ocean temperature gradients
Published in
Ecology, December 2016
DOI 10.1002/ecy.1625
Pubmed ID
Authors

Michael J. Osland, Richard H. Day, Courtney T. Hall, Marisa D. Brumfield, Jason L. Dugas, William R. Jones

Abstract

Within the context of climate change, there is a pressing need to better understand the ecological implications of changes in the frequency and intensity of climate extremes. Along subtropical coasts, less frequent and warmer freeze events are expected to permit freeze-sensitive mangrove forests to expand poleward and displace freeze-tolerant salt marshes. Here, our aim was to better understand the drivers of poleward mangrove migration by quantifying spatiotemporal patterns in mangrove range expansion and contraction across land-ocean temperature gradients. Our work was conducted in a freeze-sensitive mangrove-marsh transition zone that spans a land-ocean temperature gradient in one of the world's most wetland-rich regions (Mississippi River Deltaic Plain; Louisiana, USA). We used historical air temperature data (1893-2014), alternative future climate scenarios, and coastal wetland coverage data (1978-2011) to investigate spatiotemporal fluctuations and climate-wetland linkages. Our analyses indicate that changes in mangrove coverage have been controlled primarily by extreme freeze events (i.e., air temperatures below a threshold zone of -6.3 to -7.6°C). We expect that in the past 121 yr, mangrove range expansion and contraction has occurred across land-ocean temperature gradients. Mangrove resistance, resilience, and dominance were all highest in areas closer to the ocean where temperature extremes were buffered by large expanses of water and saturated soil. Under climate change, these areas will likely serve as local hotspots for mangrove dispersal, growth, range expansion, and displacement of salt marsh. Collectively, our results show that the frequency and intensity of freeze events across land-ocean temperature gradients greatly influences spatiotemporal patterns of range expansion and contraction of freeze-sensitive mangroves. We expect that, along subtropical coasts, similar processes govern the distribution and abundance of other freeze-sensitive organisms. In broad terms, our findings can be used to better understand and anticipate the ecological effects of changing winter climate extremes, especially within the transition zone between tropical and temperate climates.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 198 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Spain 1 <1%
Netherlands 1 <1%
Brazil 1 <1%
Unknown 195 98%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 37 19%
Student > Master 30 15%
Researcher 27 14%
Student > Bachelor 23 12%
Professor 10 5%
Other 28 14%
Unknown 43 22%
Readers by discipline Count As %
Environmental Science 57 29%
Agricultural and Biological Sciences 43 22%
Earth and Planetary Sciences 19 10%
Engineering 9 5%
Biochemistry, Genetics and Molecular Biology 5 3%
Other 13 7%
Unknown 52 26%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 5. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 01 September 2021.
All research outputs
#6,310,952
of 22,893,031 outputs
Outputs from Ecology
#2,811
of 6,560 outputs
Outputs of similar age
#116,533
of 419,304 outputs
Outputs of similar age from Ecology
#56
of 106 outputs
Altmetric has tracked 22,893,031 research outputs across all sources so far. This one has received more attention than most of these and is in the 72nd percentile.
So far Altmetric has tracked 6,560 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 12.8. This one has gotten more attention than average, scoring higher than 56% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 419,304 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 71% of its contemporaries.
We're also able to compare this research output to 106 others from the same source and published within six weeks on either side of this one. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.