The spatial overlapping regulated by nitrogen promotes the Spartina alterniflora potential regenerated invasion in coastal wetlands

The spatial overlapping regulated by nitrogen promotes the Spartina alterniflora potential regenerated invasion in coastal wetlands | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article The spatial overlapping regulated by nitrogen promotes the Spartina alterniflora potential regenerated invasion in coastal wetlands Peng Jia, Guojuan Qu, Jing Jia, Dezhi Li This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-3437255/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 31 Aug, 2024 Read the published version in Ocean & Coastal Management → Version 1 posted You are reading this latest preprint version Abstract The mechanisms that link the aboveground plant community structure with soil seed bank is crucial for predicting the potential regeneration direction. However, the spatial structure of invasive clonal plants should be reasonably quantified. We assume that the selection effect of Spartina alterniflora community spatial structure on soil seed bank composition would affect the seed reproduction invasion intensity. We set the native species of Phragmites australis in Dongtan wetland as a reference object, to explore the nitrogen regulation on the soil seed bank formation processes after S. alterniflora became the dominant species. The results showed that the S. alterniflora growth tended to be stable in summer and autumn, and its height change trend and peak height under different coverage was relatively consistent. The seasonal variation trend of P. australis height is opposite to that of S. alterniflora . In the autumn community structure at mature stage, the dominance index of S. alterniflora and P. australis showed a downward trend from low to high aboveground coverage after the soil seed bank germination, and the dominance index of S. alterniflora was higher than that of P. australis . The overlapping resistance structure of S. alterniflora community was synergistically affected by soil ammonium nitrogen, leaf total nitrogen and soil microbial biomass nitrogen, and the effect of this structure on the soil seed bank formation under different soil depth showed an opposite trend. Our results suggest that the overlapping complementarity between S. alterniflora plays a positive regulatory role between functional trait plasticity and sexual reproduction advantage. Coastal wetland Invasion advantage Nitrogen regulation Overlapping resistance structure S. alterniflora Soil seed bank Full Text Supplementary Files Supplementarymaterial.docx Cite Share Download PDF Status: Published Journal Publication published 31 Aug, 2024 Read the published version in Ocean & Coastal Management → Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-3437255","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":244221377,"identity":"1c965631-599f-47d3-9221-ffd0f2ef63d8","order_by":0,"name":"Peng Jia","email":"","orcid":"","institution":"National Marine Environmental Monitoring Center","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Peng","middleName":"","lastName":"Jia","suffix":""},{"id":244221378,"identity":"80ba9fcc-2dab-4788-b475-6efebc4f3c81","order_by":1,"name":"Guojuan Qu","email":"","orcid":"","institution":"East China Normal University","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Guojuan","middleName":"","lastName":"Qu","suffix":""},{"id":244221379,"identity":"1a9e0f5a-c309-4c76-b1ac-de1bd9df8548","order_by":2,"name":"Jing Jia","email":"","orcid":"","institution":"East China Normal University","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Jing","middleName":"","lastName":"Jia","suffix":""},{"id":244221380,"identity":"8beeeafd-1d1e-4f70-bd64-28b4bfc5aa9a","order_by":3,"name":"Dezhi Li","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA2UlEQVRIie3RMQrCMBTG8VcCcQm6pkjxCoWCIpT2Khahk67FMSJ0EmcFD9EjJDyoi9grCEImB0c3bRF0i3ZzyH97kN/yBcBm+8ckEfJGP7cjvhNHqG1rQlgr0q3UEsMsjKGz0hcGoVdIos8m4kolcHZKE8HKUcAgDQpJR76J+GopcJ7jBPiM9hlgUkhGuZGgI3CcP2IYXBvy+IGUNXHyegTOGiK/E/dYj7w+TZOcpUN370+DHdKhkXQrxNs9i+JeBzW/LiJvc1hpI3n3+ppmKvLTe5vNZrOZegLsmEe+miX8vwAAAABJRU5ErkJggg==","orcid":"https://orcid.org/0000-0002-8482-2372","institution":"East China Normal University","correspondingAuthor":true,"submittingAuthor":false,"prefix":"","firstName":"Dezhi","middleName":"","lastName":"Li","suffix":""}],"badges":[],"createdAt":"2023-10-12 11:54:19","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-3437255/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-3437255/v1","draftVersion":[],"editorialEvents":[{"content":"https://doi.org/10.1016/j.ocecoaman.2024.107260","type":"published","date":"2024-09-01T00:31:13+00:00"}],"editorialNote":"","failedWorkflow":false,"files":[{"id":59617279,"identity":"71414ab8-8334-449d-8e74-d7405182274f","added_by":"auto","created_at":"2024-07-04 00:31:21","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":641854,"visible":true,"origin":"","legend":"","description":"","filename":"Manuscript.pdf","url":"https://assets-eu.researchsquare.com/files/rs-3437255/v1_covered_c99cd3e6-a5d6-4375-822e-521db221952c.pdf"},{"id":45680592,"identity":"0fc30206-fd8a-4e11-a1cf-27baed2310ae","added_by":"auto","created_at":"2023-11-01 19:34:09","extension":"docx","order_by":5,"title":"","display":"","copyAsset":false,"role":"supplement","size":1268687,"visible":true,"origin":"","legend":"","description":"","filename":"Supplementarymaterial.docx","url":"https://assets-eu.researchsquare.com/files/rs-3437255/v1/1ae0c5add609232c165f8e64.docx"}],"financialInterests":"","formattedTitle":"The spatial overlapping regulated by nitrogen promotes the Spartina alterniflora potential regenerated invasion in coastal wetlands","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"Coastal wetland, Invasion advantage, Nitrogen regulation, Overlapping resistance structure, S. alterniflora, Soil seed bank","lastPublishedDoi":"10.21203/rs.3.rs-3437255/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-3437255/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eThe mechanisms that link the aboveground plant community structure with soil seed bank is crucial for predicting the potential regeneration direction. However, the spatial structure of invasive clonal plants should be reasonably quantified. We assume that the selection effect of \u003cem\u003eSpartina alterniflora\u003c/em\u003e community spatial structure on soil seed bank composition would affect the seed reproduction invasion intensity. We set the native species of \u003cem\u003ePhragmites australis\u003c/em\u003e in Dongtan wetland as a reference object, to explore the nitrogen regulation on the soil seed bank formation processes after \u003cem\u003eS. alterniflora\u003c/em\u003e became the dominant species. The results showed that the \u003cem\u003eS. alterniflora\u003c/em\u003e growth tended to be stable in summer and autumn, and its height change trend and peak height under different coverage was relatively consistent. The seasonal variation trend of \u003cem\u003eP. australis\u003c/em\u003e height is opposite to that of \u003cem\u003eS. alterniflora\u003c/em\u003e. In the autumn community structure at mature stage, the dominance index of \u003cem\u003eS. alterniflora\u003c/em\u003e and \u003cem\u003eP. australis\u003c/em\u003e showed a downward trend from low to high aboveground coverage after the soil seed bank germination, and the dominance index of \u003cem\u003eS. alterniflora\u003c/em\u003e was higher than that of \u003cem\u003eP. australis\u003c/em\u003e. The overlapping resistance structure of \u003cem\u003eS. alterniflora\u003c/em\u003e community was synergistically affected by soil ammonium nitrogen, leaf total nitrogen and soil microbial biomass nitrogen, and the effect of this structure on the soil seed bank formation under different soil depth showed an opposite trend. 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