Variability in community productivity—mediating effects of vegetation attributes
Plant productivity varies through time in response to environmental fluctuations. Reducing variability in productivity requires an improved understanding of how plant community attributes interact with environmental fluctuations to influence plant growth dynamics. We evaluated links between two comm...
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| Veröffentlicht in: | Functional ecology 2018-05, Vol.32 (5), p.1410-1419 |
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| creator | Polley, H. Wayne Wilsey, Brian J. |
| description | Plant productivity varies through time in response to environmental fluctuations. Reducing variability in productivity requires an improved understanding of how plant community attributes interact with environmental fluctuations to influence plant growth dynamics. We evaluated links between two community attributes, species diversity and abundance‐weighted values of specific leaf area (SLA), and temporal variability in grassland productivity at patch (local) and aggregate (multipatch) spatial scales.
Aggregate communities were created by combining patches of spatially distinct communities of perennial plant species from grassland biodiversity experiments in Texas, USA. Interannual variability in above‐ground net primary productivity (ANPP) of aggregate communities was analysed as a function of two multiplicative components, mean temporal variability in the ANPP of patches and temporal synchrony in ANPP dynamics among patches. We used regression analyses to determine whether temporal variability in aggregate ANPP and its components were correlated with either species diversity or community‐weighted SLA over 5 years.
Temporal variability in ANPP of aggregate communities was strongly correlated with temporal variability in patch ANPP. Increasing mean SLA reduced ANPP variability of aggregate communities by increasing mean productivity. Increased temporal changes in patch‐scale SLA further reduced temporal variability in aggregate ANPP by reducing effects of precipitation fluctuations on productivity. Conversely, increasing species diversity over the narrow range measured increased temporal variability in aggregate ANPP. High diversity was associated with reduced dominance of temporally stable C4 grasses.
Our results implicate means and patch‐scale temporal dynamics in community SLA as potential indicators of variability in grassland primary productivity through time.
A plain language summary is available for this article.
Plain Language Summary |
| doi_str_mv | 10.1111/1365-2435.13080 |
| format | Article |
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Aggregate communities were created by combining patches of spatially distinct communities of perennial plant species from grassland biodiversity experiments in Texas, USA. Interannual variability in above‐ground net primary productivity (ANPP) of aggregate communities was analysed as a function of two multiplicative components, mean temporal variability in the ANPP of patches and temporal synchrony in ANPP dynamics among patches. We used regression analyses to determine whether temporal variability in aggregate ANPP and its components were correlated with either species diversity or community‐weighted SLA over 5 years.
Temporal variability in ANPP of aggregate communities was strongly correlated with temporal variability in patch ANPP. Increasing mean SLA reduced ANPP variability of aggregate communities by increasing mean productivity. Increased temporal changes in patch‐scale SLA further reduced temporal variability in aggregate ANPP by reducing effects of precipitation fluctuations on productivity. Conversely, increasing species diversity over the narrow range measured increased temporal variability in aggregate ANPP. High diversity was associated with reduced dominance of temporally stable C4 grasses.
Our results implicate means and patch‐scale temporal dynamics in community SLA as potential indicators of variability in grassland primary productivity through time.
A plain language summary is available for this article.
Plain Language Summary</description><identifier>ISSN: 0269-8463</identifier><identifier>EISSN: 1365-2435</identifier><identifier>DOI: 10.1111/1365-2435.13080</identifier><language>eng</language><publisher>London: Wiley</publisher><subject>Annual variations ; Biodiversity ; diversity ; ECOSYSTEMS ECOLOGY ; exotic species ; Fluctuations ; functional trait ; grassland ; Grasslands ; Leaf area ; Net Primary Productivity ; Plant communities ; Plant growth ; precipitation ; Productivity ; Rangefinding ; Regression analysis ; spatial scale ; Species diversity ; specific leaf area ; stability ; Variability</subject><ispartof>Functional ecology, 2018-05, Vol.32 (5), p.1410-1419</ispartof><rights>2018 The Authors. © 2018 British Ecological Society</rights><rights>2018 The Authors. Functional Ecology © 2018 British Ecological Society</rights><rights>Functional Ecology © 2018 British Ecological Society</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3780-3ff5457771b83dfe4a0fe76b8e9dae367f1727ef2cd94a0fecaa5c48532b1a4e3</citedby><cites>FETCH-LOGICAL-c3780-3ff5457771b83dfe4a0fe76b8e9dae367f1727ef2cd94a0fecaa5c48532b1a4e3</cites><orcidid>0000-0002-0628-5006 ; 0000-0002-1197-8800</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/48582702$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/48582702$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,1417,1433,27924,27925,45574,45575,46409,46833,58017,58250</link.rule.ids></links><search><contributor>Power, Sally</contributor><creatorcontrib>Polley, H. Wayne</creatorcontrib><creatorcontrib>Wilsey, Brian J.</creatorcontrib><title>Variability in community productivity—mediating effects of vegetation attributes</title><title>Functional ecology</title><description>Plant productivity varies through time in response to environmental fluctuations. Reducing variability in productivity requires an improved understanding of how plant community attributes interact with environmental fluctuations to influence plant growth dynamics. We evaluated links between two community attributes, species diversity and abundance‐weighted values of specific leaf area (SLA), and temporal variability in grassland productivity at patch (local) and aggregate (multipatch) spatial scales.
Aggregate communities were created by combining patches of spatially distinct communities of perennial plant species from grassland biodiversity experiments in Texas, USA. Interannual variability in above‐ground net primary productivity (ANPP) of aggregate communities was analysed as a function of two multiplicative components, mean temporal variability in the ANPP of patches and temporal synchrony in ANPP dynamics among patches. We used regression analyses to determine whether temporal variability in aggregate ANPP and its components were correlated with either species diversity or community‐weighted SLA over 5 years.
Temporal variability in ANPP of aggregate communities was strongly correlated with temporal variability in patch ANPP. Increasing mean SLA reduced ANPP variability of aggregate communities by increasing mean productivity. Increased temporal changes in patch‐scale SLA further reduced temporal variability in aggregate ANPP by reducing effects of precipitation fluctuations on productivity. Conversely, increasing species diversity over the narrow range measured increased temporal variability in aggregate ANPP. High diversity was associated with reduced dominance of temporally stable C4 grasses.
Our results implicate means and patch‐scale temporal dynamics in community SLA as potential indicators of variability in grassland primary productivity through time.
A plain language summary is available for this article.
Plain Language Summary</description><subject>Annual variations</subject><subject>Biodiversity</subject><subject>diversity</subject><subject>ECOSYSTEMS ECOLOGY</subject><subject>exotic species</subject><subject>Fluctuations</subject><subject>functional trait</subject><subject>grassland</subject><subject>Grasslands</subject><subject>Leaf area</subject><subject>Net Primary Productivity</subject><subject>Plant communities</subject><subject>Plant growth</subject><subject>precipitation</subject><subject>Productivity</subject><subject>Rangefinding</subject><subject>Regression analysis</subject><subject>spatial scale</subject><subject>Species diversity</subject><subject>specific leaf area</subject><subject>stability</subject><subject>Variability</subject><issn>0269-8463</issn><issn>1365-2435</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkMFOwzAMhiMEEmNw5oRUiXO3NGma9oimDZAmISHgGqWpM2Va25GkQ7vxEDwhT0K6wq74Ytn-P9v6EbpO8CQJMU1oxmKSUjZJKM7xCRodO6dohElWxHma0XN04dwaY1wwQkbo-U1aI0uzMX4fmSZSbV13TV9sbVt1yptdKL4_v2qojPSmWUWgNSjvolZHO1iBD922iaT31pSdB3eJzrTcOLj6zWP0upi_zB7i5dP94-xuGSvKcxxTrVnKOOdJmdNKQyqxBp6VORSVBJpxnXDCQRNVFYeZkpKpNGeUlIlMgY7R7bA3fPregfNi3Xa2CScFwZQWgS7SoJoOKmVb5yxosbWmlnYvEix640Rvk-htEgfjAsEG4sNsYP-fXCzmsz_uZuDWzrf2yIWPc8IxoT9fpXv8</recordid><startdate>20180501</startdate><enddate>20180501</enddate><creator>Polley, H. Wayne</creator><creator>Wilsey, Brian J.</creator><general>Wiley</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>7SS</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><orcidid>https://orcid.org/0000-0002-0628-5006</orcidid><orcidid>https://orcid.org/0000-0002-1197-8800</orcidid></search><sort><creationdate>20180501</creationdate><title>Variability in community productivity—mediating effects of vegetation attributes</title><author>Polley, H. Wayne ; Wilsey, Brian J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3780-3ff5457771b83dfe4a0fe76b8e9dae367f1727ef2cd94a0fecaa5c48532b1a4e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Annual variations</topic><topic>Biodiversity</topic><topic>diversity</topic><topic>ECOSYSTEMS ECOLOGY</topic><topic>exotic species</topic><topic>Fluctuations</topic><topic>functional trait</topic><topic>grassland</topic><topic>Grasslands</topic><topic>Leaf area</topic><topic>Net Primary Productivity</topic><topic>Plant communities</topic><topic>Plant growth</topic><topic>precipitation</topic><topic>Productivity</topic><topic>Rangefinding</topic><topic>Regression analysis</topic><topic>spatial scale</topic><topic>Species diversity</topic><topic>specific leaf area</topic><topic>stability</topic><topic>Variability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Polley, H. Wayne</creatorcontrib><creatorcontrib>Wilsey, Brian J.</creatorcontrib><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Functional ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Polley, H. Wayne</au><au>Wilsey, Brian J.</au><au>Power, Sally</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Variability in community productivity—mediating effects of vegetation attributes</atitle><jtitle>Functional ecology</jtitle><date>2018-05-01</date><risdate>2018</risdate><volume>32</volume><issue>5</issue><spage>1410</spage><epage>1419</epage><pages>1410-1419</pages><issn>0269-8463</issn><eissn>1365-2435</eissn><abstract>Plant productivity varies through time in response to environmental fluctuations. Reducing variability in productivity requires an improved understanding of how plant community attributes interact with environmental fluctuations to influence plant growth dynamics. We evaluated links between two community attributes, species diversity and abundance‐weighted values of specific leaf area (SLA), and temporal variability in grassland productivity at patch (local) and aggregate (multipatch) spatial scales.
Aggregate communities were created by combining patches of spatially distinct communities of perennial plant species from grassland biodiversity experiments in Texas, USA. Interannual variability in above‐ground net primary productivity (ANPP) of aggregate communities was analysed as a function of two multiplicative components, mean temporal variability in the ANPP of patches and temporal synchrony in ANPP dynamics among patches. We used regression analyses to determine whether temporal variability in aggregate ANPP and its components were correlated with either species diversity or community‐weighted SLA over 5 years.
Temporal variability in ANPP of aggregate communities was strongly correlated with temporal variability in patch ANPP. Increasing mean SLA reduced ANPP variability of aggregate communities by increasing mean productivity. Increased temporal changes in patch‐scale SLA further reduced temporal variability in aggregate ANPP by reducing effects of precipitation fluctuations on productivity. Conversely, increasing species diversity over the narrow range measured increased temporal variability in aggregate ANPP. High diversity was associated with reduced dominance of temporally stable C4 grasses.
Our results implicate means and patch‐scale temporal dynamics in community SLA as potential indicators of variability in grassland primary productivity through time.
A plain language summary is available for this article.
Plain Language Summary</abstract><cop>London</cop><pub>Wiley</pub><doi>10.1111/1365-2435.13080</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-0628-5006</orcidid><orcidid>https://orcid.org/0000-0002-1197-8800</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Annual variations Biodiversity diversity ECOSYSTEMS ECOLOGY exotic species Fluctuations functional trait grassland Grasslands Leaf area Net Primary Productivity Plant communities Plant growth precipitation Productivity Rangefinding Regression analysis spatial scale Species diversity specific leaf area stability Variability |
| title | Variability in community productivity—mediating effects of vegetation attributes |
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