Barrier Island Morphology and Sediment Characteristics Affect the Recovery of Dune Building Grasses following Storm-Induced Overwash
Identifieur interne : 001093 ( Ncbi/Merge ); précédent : 001092; suivant : 001094Barrier Island Morphology and Sediment Characteristics Affect the Recovery of Dune Building Grasses following Storm-Induced Overwash
Auteurs : Steven T. Brantley [États-Unis] ; Spencer N. Bissett [États-Unis] ; Donald R. Young [États-Unis] ; Catherine W. V. Wolner [États-Unis] ; Laura J. Moore [États-Unis]Source :
- PLoS ONE [ 1932-6203 ] ; 2014.
Abstract
Barrier islands are complex and dynamic systems that provide critical ecosystem services to coastal populations. Stability of these systems is threatened by rising sea level and the potential for coastal storms to increase in frequency and intensity. Recovery of dune-building grasses following storms is an important process that promotes topographic heterogeneity and long-term stability of barrier islands, yet factors that drive dune recovery are poorly understood. We examined vegetation recovery in overwash zones on two geomorphically distinct (undisturbed vs. frequently overwashed) barrier islands on the Virginia coast, USA. We hypothesized that vegetation recovery in overwash zones would be driven primarily by environmental characteristics, especially elevation and beach width. We sampled species composition and environmental characteristics along a continuum of disturbance from active overwash zones to relict overwash zones and in adjacent undisturbed environments. We compared species assemblages along the disturbance chronosequence and between islands and we analyzed species composition data and environmental measurements with Canonical Correspondence Analysis to link community composition with environmental characteristics. Recovering and geomorphically stable dunes were dominated by
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DOI: 10.1371/journal.pone.0104747
PubMed: 25148028
PubMed Central: 4141734
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Moore</name><affiliation wicri:level="2"><nlm:aff id="aff4"><addr-line>Department of Geological Sciences, University of North Carolina, Chapel Hill, North Carolina, United States of America</addr-line></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Geological Sciences, University of North Carolina, Chapel Hill, North Carolina</wicri:regionArea><placeName><region type="state">Caroline du Nord</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">25148028</idno><idno type="pmc">4141734</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4141734</idno><idno type="RBID">PMC:4141734</idno><idno type="doi">10.1371/journal.pone.0104747</idno><date when="2014">2014</date><idno type="wicri:Area/Pmc/Corpus">000025</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000025</idno><idno type="wicri:Area/Pmc/Curation">000025</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000025</idno><idno type="wicri:Area/Pmc/Checkpoint">000446</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000446</idno><idno type="wicri:Area/Ncbi/Merge">001093</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Barrier Island Morphology and Sediment Characteristics Affect the Recovery of Dune Building Grasses following Storm-Induced Overwash</title><author><name sortKey="Brantley, Steven T" sort="Brantley, Steven T" uniqKey="Brantley S" first="Steven T." last="Brantley">Steven T. Brantley</name><affiliation wicri:level="2"><nlm:aff id="aff1"><addr-line>Department of Forest Resources, University of Minnesota, St. Paul, Minnesota, United States of America</addr-line></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Forest Resources, University of Minnesota, St. Paul, Minnesota</wicri:regionArea><placeName><region type="state">Minnesota</region></placeName></affiliation></author><author><name sortKey="Bissett, Spencer N" sort="Bissett, Spencer N" uniqKey="Bissett S" first="Spencer N." last="Bissett">Spencer N. Bissett</name><affiliation wicri:level="2"><nlm:aff id="aff2"><addr-line>Department of Biology, Virginia Commonwealth University, Richmond, Virginia, United States of America</addr-line></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Biology, Virginia Commonwealth University, Richmond, Virginia</wicri:regionArea><placeName><region type="state">Virginie</region></placeName></affiliation></author><author><name sortKey="Young, Donald R" sort="Young, Donald R" uniqKey="Young D" first="Donald R." last="Young">Donald R. Young</name><affiliation wicri:level="2"><nlm:aff id="aff2"><addr-line>Department of Biology, Virginia Commonwealth University, Richmond, Virginia, United States of America</addr-line></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Biology, Virginia Commonwealth University, Richmond, Virginia</wicri:regionArea><placeName><region type="state">Virginie</region></placeName></affiliation></author><author><name sortKey="Wolner, Catherine W V" sort="Wolner, Catherine W V" uniqKey="Wolner C" first="Catherine W. V." last="Wolner">Catherine W. V. Wolner</name><affiliation wicri:level="2"><nlm:aff id="aff3"><addr-line>Department of Environmental Sciences, University of Virginia, Charlottesville, Virginia, United States of America</addr-line></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Environmental Sciences, University of Virginia, Charlottesville, Virginia</wicri:regionArea><placeName><region type="state">Virginie</region></placeName></affiliation></author><author><name sortKey="Moore, Laura J" sort="Moore, Laura J" uniqKey="Moore L" first="Laura J." last="Moore">Laura J. Moore</name><affiliation wicri:level="2"><nlm:aff id="aff4"><addr-line>Department of Geological Sciences, University of North Carolina, Chapel Hill, North Carolina, United States of America</addr-line></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Geological Sciences, University of North Carolina, Chapel Hill, North Carolina</wicri:regionArea><placeName><region type="state">Caroline du Nord</region></placeName></affiliation></author></analytic><series><title level="j">PLoS ONE</title><idno type="eISSN">1932-6203</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Barrier islands are complex and dynamic systems that provide critical ecosystem services to coastal populations. Stability of these systems is threatened by rising sea level and the potential for coastal storms to increase in frequency and intensity. Recovery of dune-building grasses following storms is an important process that promotes topographic heterogeneity and long-term stability of barrier islands, yet factors that drive dune recovery are poorly understood. We examined vegetation recovery in overwash zones on two geomorphically distinct (undisturbed vs. frequently overwashed) barrier islands on the Virginia coast, USA. We hypothesized that vegetation recovery in overwash zones would be driven primarily by environmental characteristics, especially elevation and beach width. We sampled species composition and environmental characteristics along a continuum of disturbance from active overwash zones to relict overwash zones and in adjacent undisturbed environments. We compared species assemblages along the disturbance chronosequence and between islands and we analyzed species composition data and environmental measurements with Canonical Correspondence Analysis to link community composition with environmental characteristics. Recovering and geomorphically stable dunes were dominated by <italic>Ammophila breviligulata</italic> Fernaud (Poaceae) on both islands while active overwash zones were dominated by <italic>Spartina patens</italic> (Aiton) Muhl. (Poaceae) on the frequently disturbed island and bare sand on the less disturbed island. Species composition was associated with environmental characteristics only on the frequently disturbed island (<italic>p</italic> = 0.005) where <italic>A. breviligulata</italic> was associated with higher elevation and greater beach width. <italic>Spartina patens</italic>, the second most abundant species, was associated with larger sediment grain size and greater sediment size distribution. On the less frequently disturbed island, time since disturbance was the only factor that affected community composition. Thus, factors driving the abundance of dune-building grasses and subsequent recovery of dunes varied between the two geomorphically distinct islands.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct></biblStruct><biblStruct><analytic><author><name sortKey="Emanuel, Ka" uniqKey="Emanuel K">KA Emanuel</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Seabloom, Ew" uniqKey="Seabloom E">EW Seabloom</name></author><author><name sortKey="Ruggiero, P" uniqKey="Ruggiero P">P Ruggiero</name></author><author><name sortKey="Hacker, Sd" uniqKey="Hacker S">SD Hacker</name></author><author><name sortKey="Mull, J" uniqKey="Mull J">J Mull</name></author><author><name sortKey="Zarnetske, P" uniqKey="Zarnetske P">P Zarnetske</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Stallins, Ja" uniqKey="Stallins J">JA Stallins</name></author><author><name sortKey="Parker, Aj" uniqKey="Parker A">AJ 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<front><journal-meta><journal-id journal-id-type="nlm-ta">PLoS One</journal-id><journal-id journal-id-type="iso-abbrev">PLoS ONE</journal-id><journal-id journal-id-type="publisher-id">plos</journal-id><journal-id journal-id-type="pmc">plosone</journal-id><journal-title-group><journal-title>PLoS ONE</journal-title></journal-title-group><issn pub-type="epub">1932-6203</issn><publisher><publisher-name>Public Library of Science</publisher-name><publisher-loc>San Francisco, USA</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">25148028</article-id><article-id pub-id-type="pmc">4141734</article-id><article-id pub-id-type="publisher-id">PONE-D-14-12870</article-id><article-id pub-id-type="doi">10.1371/journal.pone.0104747</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="Discipline-v2"><subject>Biology and Life Sciences</subject><subj-group><subject>Ecology</subject><subj-group><subject>Community Ecology</subject><subj-group><subject>Community Assembly</subject><subject>Community Structure</subject><subject>Ecological Risk</subject></subj-group></subj-group><subj-group><subject>Coastal Ecology</subject></subj-group></subj-group></subj-group><subj-group subj-group-type="Discipline-v2"><subject>Earth Sciences</subject><subj-group><subject>Geomorphology</subject><subj-group><subject>Topography</subject><subj-group><subject>Landforms</subject></subj-group></subj-group><subj-group><subject>Erosion</subject></subj-group></subj-group></subj-group></article-categories><title-group><article-title>Barrier Island Morphology and Sediment Characteristics Affect the Recovery of Dune Building Grasses following Storm-Induced Overwash</article-title><alt-title alt-title-type="running-head">Vegetation Recovery after Overwash</alt-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Brantley</surname><given-names>Steven T.</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="corresp" rid="cor1"><sup>*</sup></xref></contrib><contrib contrib-type="author"><name><surname>Bissett</surname><given-names>Spencer N.</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Young</surname><given-names>Donald R.</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Wolner</surname><given-names>Catherine W. V.</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Moore</surname><given-names>Laura J.</given-names></name><xref ref-type="aff" rid="aff4"><sup>4</sup></xref></contrib></contrib-group><aff id="aff1"><label>1</label><addr-line>Department of Forest Resources, University of Minnesota, St. Paul, Minnesota, United States of America</addr-line></aff><aff id="aff2"><label>2</label><addr-line>Department of Biology, Virginia Commonwealth University, Richmond, Virginia, United States of America</addr-line></aff><aff id="aff3"><label>3</label><addr-line>Department of Environmental Sciences, University of Virginia, Charlottesville, Virginia, United States of America</addr-line></aff><aff id="aff4"><label>4</label><addr-line>Department of Geological Sciences, University of North Carolina, Chapel Hill, North Carolina, United States of America</addr-line></aff><contrib-group><contrib contrib-type="editor"><name><surname>Valentine</surname><given-names>John F.</given-names></name><role>Editor</role><xref ref-type="aff" rid="edit1"></xref></contrib></contrib-group><aff id="edit1"><addr-line>Dauphin Island Sea Lab, United States of America</addr-line></aff><author-notes><corresp id="cor1">* E-mail: <email>sbrantle@umn.edu</email></corresp><fn fn-type="conflict"><p><bold>Competing Interests: </bold>The authors have declared that no competing interests exist.</p></fn><fn fn-type="con"><p>Conceived and designed the experiments: STB DRY CVW LJM. Performed the experiments: STB SNB CVW. Analyzed the data: STB SNB CVW. Contributed reagents/materials/analysis tools: DRY LJM. Contributed to the writing of the manuscript: STB SNB DRY CVW LJM.</p></fn></author-notes><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>22</day><month>8</month><year>2014</year></pub-date><volume>9</volume><issue>8</issue><elocation-id>e104747</elocation-id><history><date date-type="received"><day>24</day><month>3</month><year>2014</year></date><date date-type="accepted"><day>15</day><month>7</month><year>2014</year></date></history><permissions><copyright-year>2014</copyright-year><copyright-holder>Brantley et al</copyright-holder><license><license-p>This is an open-access article distributed under the terms of the <ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution License</ext-link>, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.</license-p></license></permissions><abstract><p>Barrier islands are complex and dynamic systems that provide critical ecosystem services to coastal populations. Stability of these systems is threatened by rising sea level and the potential for coastal storms to increase in frequency and intensity. Recovery of dune-building grasses following storms is an important process that promotes topographic heterogeneity and long-term stability of barrier islands, yet factors that drive dune recovery are poorly understood. We examined vegetation recovery in overwash zones on two geomorphically distinct (undisturbed vs. frequently overwashed) barrier islands on the Virginia coast, USA. We hypothesized that vegetation recovery in overwash zones would be driven primarily by environmental characteristics, especially elevation and beach width. We sampled species composition and environmental characteristics along a continuum of disturbance from active overwash zones to relict overwash zones and in adjacent undisturbed environments. We compared species assemblages along the disturbance chronosequence and between islands and we analyzed species composition data and environmental measurements with Canonical Correspondence Analysis to link community composition with environmental characteristics. Recovering and geomorphically stable dunes were dominated by <italic>Ammophila breviligulata</italic> Fernaud (Poaceae) on both islands while active overwash zones were dominated by <italic>Spartina patens</italic> (Aiton) Muhl. (Poaceae) on the frequently disturbed island and bare sand on the less disturbed island. Species composition was associated with environmental characteristics only on the frequently disturbed island (<italic>p</italic> = 0.005) where <italic>A. breviligulata</italic> was associated with higher elevation and greater beach width. <italic>Spartina patens</italic>, the second most abundant species, was associated with larger sediment grain size and greater sediment size distribution. On the less frequently disturbed island, time since disturbance was the only factor that affected community composition. Thus, factors driving the abundance of dune-building grasses and subsequent recovery of dunes varied between the two geomorphically distinct islands.</p></abstract><funding-group><funding-statement>This research was supported by the United States Department of Energy's Office of Science (BER) through the Coastal Center of the National Institute for Climatic Change Research at Tulane University (<ext-link ext-link-type="uri" xlink:href="http://www.tulane.edu/~NICCR/">http://www.tulane.edu/~NICCR/</ext-link>) grant number DE-FC02-06ER64298 to LJM and DRY. The Geological Society of America and the Virginia Coast Reserve Long-Term Ecological Research (VCR-LTER) program provided additional support through grant number DEB-0080381 to LJM and DRY. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.</funding-statement></funding-group><counts><page-count count="12"></page-count></counts><custom-meta-group><custom-meta id="data-availability"><meta-name>Data Availability</meta-name><meta-value>The authors confirm that all data underlying the findings are fully available without restriction. All data used herein are available on the Virginia Coast Reserve website at <ext-link ext-link-type="uri" xlink:href="http://www.vcrlter.virginia.edu/home1/dataCatalog">http://www.vcrlter.virginia.edu/home1/dataCatalog</ext-link> and can best be found using the dataset ID numbers VCR12186 through VCR12189.</meta-value></custom-meta></custom-meta-group></article-meta><notes><title>Data Availability</title><p>The authors confirm that all data underlying the findings are fully available without restriction. All data used herein are available on the Virginia Coast Reserve website at <ext-link ext-link-type="uri" xlink:href="http://www.vcrlter.virginia.edu/home1/dataCatalog">http://www.vcrlter.virginia.edu/home1/dataCatalog</ext-link> and can best be found using the dataset ID numbers VCR12186 through VCR12189.</p></notes></front></pmc><affiliations><list><country><li>États-Unis</li></country><region><li>Caroline du Nord</li><li>Minnesota</li><li>Virginie</li></region></list><tree><country name="États-Unis"><region name="Minnesota"><name sortKey="Brantley, Steven T" sort="Brantley, Steven T" uniqKey="Brantley S" first="Steven T." last="Brantley">Steven T. Brantley</name></region><name sortKey="Bissett, Spencer N" sort="Bissett, Spencer N" uniqKey="Bissett S" first="Spencer N." last="Bissett">Spencer N. Bissett</name><name sortKey="Moore, Laura J" sort="Moore, Laura J" uniqKey="Moore L" first="Laura J." last="Moore">Laura J. Moore</name><name sortKey="Wolner, Catherine W V" sort="Wolner, Catherine W V" uniqKey="Wolner C" first="Catherine W. V." last="Wolner">Catherine W. V. Wolner</name><name sortKey="Young, Donald R" sort="Young, Donald R" uniqKey="Young D" first="Donald R." last="Young">Donald R. Young</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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