Water source partitioning among plant functional types in a semi-arid dune ecosystem
Question(s): The aim of this work was to characterize the main water sources used by the woody plant community of a semi-arid coastal dune ecosystem. We ask: Do the seasonal water sources used by plants differ between functional types? Does the seasonal drought promote shifts towards deeper soil lay...
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| Veröffentlicht in: | Journal of vegetation science 2018-07, Vol.29 (4), p.671-683 |
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| creator | Antunes, Cristina Cruz Díaz-Barradas, Mari Zunzunegui, Maria Vieira, Simone Máguas, Cristina |
| description | Question(s): The aim of this work was to characterize the main water sources used by the woody plant community of a semi-arid coastal dune ecosystem. We ask: Do the seasonal water sources used by plants differ between functional types? Does the seasonal drought promote shifts towards deeper soil layers in all plants? Does greater use of deep soil water enables the maintenance of a more favorable plant water status? Do water-sources-use strategies mirror overall drought strategies? Location: Semi-arid coastal dune system in Doñana Biological Reserve, southwest Spain. Methods: We analyzed the oxygen isotope composition of xylem water of fourteen coexisting woody species and compared it to water sources (soil water at different depths, rain and groundwater), both in spring and dry summer. Bayesian isotope mixing models were used to estimate the proportion of each water source used by plants. We tested the influence of different (categorical) traits on plants' water-source-use. We evaluated the relationships between the use of deep soil water and ecophysiological parameters related to water economy (leaf δ13C and reflectance water-index). Results: A greater similarity between species was found in periods of higher water availability (spring). Contrastingly, during the dry period the traits considered showed a significant effect on the water sources used and a high inter-specific differentiation was observed. Accordingly, species clustered in five water-use functional groups, exploring water from shallower to deeper soil layers. Greater use of deep soil layers in the dry season was linked to a better seasonal maintenance of plant water status. Conclusions: Coexisting plant functional types segregated along a spectrum of water-source-use under extremely dry conditions, evidencing great soil water partitioning. Relevant seasonal water-use shifts towards deeper soil layers were observed, but not in all species. Furthermore, we confirmed that the water-source-use behavior accompanied broader strategies of drought resistance. |
| doi_str_mv | 10.1111/jvs.12647 |
| format | Article |
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We ask: Do the seasonal water sources used by plants differ between functional types? Does the seasonal drought promote shifts towards deeper soil layers in all plants? Does greater use of deep soil water enables the maintenance of a more favorable plant water status? Do water-sources-use strategies mirror overall drought strategies? Location: Semi-arid coastal dune system in Doñana Biological Reserve, southwest Spain. Methods: We analyzed the oxygen isotope composition of xylem water of fourteen coexisting woody species and compared it to water sources (soil water at different depths, rain and groundwater), both in spring and dry summer. Bayesian isotope mixing models were used to estimate the proportion of each water source used by plants. We tested the influence of different (categorical) traits on plants' water-source-use. We evaluated the relationships between the use of deep soil water and ecophysiological parameters related to water economy (leaf δ13C and reflectance water-index). Results: A greater similarity between species was found in periods of higher water availability (spring). Contrastingly, during the dry period the traits considered showed a significant effect on the water sources used and a high inter-specific differentiation was observed. Accordingly, species clustered in five water-use functional groups, exploring water from shallower to deeper soil layers. Greater use of deep soil layers in the dry season was linked to a better seasonal maintenance of plant water status. Conclusions: Coexisting plant functional types segregated along a spectrum of water-source-use under extremely dry conditions, evidencing great soil water partitioning. Relevant seasonal water-use shifts towards deeper soil layers were observed, but not in all species. Furthermore, we confirmed that the water-source-use behavior accompanied broader strategies of drought resistance.</description><identifier>ISSN: 1100-9233</identifier><identifier>EISSN: 1654-1103</identifier><identifier>DOI: 10.1111/jvs.12647</identifier><language>eng</language><publisher>Hoboken: John Wiley & Sons Ltd</publisher><subject>Aridity ; Bayesian analysis ; Coastal environments ; coexistence ; Drought ; Drought resistance ; dry conditions ; Dry season ; Dunes ; Ecosystems ; Functional groups ; Groundwater ; groundwater use ; Isotope composition ; Mathematical models ; Mediterranean ; Moisture content ; Oxygen isotopes ; Partitioning ; Plant communities ; Reflectance ; sandy coastal ecosystem ; Soil conditions ; Soil layers ; Soil water ; soil water partitioning ; Species ; stable isotope mixing model ; Water availability ; water sources segregation ; water‐use shifts ; Xylem</subject><ispartof>Journal of vegetation science, 2018-07, Vol.29 (4), p.671-683</ispartof><rights>Copyright © 2018 International Association for Vegetation Science</rights><rights>2018 International Association for Vegetation Science</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3547-73cd4ea96eb51ff8f23fde5338c396ce1b6ca7cd8758d01ec581e48b21a2ad123</citedby><cites>FETCH-LOGICAL-c3547-73cd4ea96eb51ff8f23fde5338c396ce1b6ca7cd8758d01ec581e48b21a2ad123</cites><orcidid>0000-0002-5934-388X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/26630071$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/26630071$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,1411,27901,27902,45550,45551,57992,58225</link.rule.ids></links><search><creatorcontrib>Antunes, Cristina</creatorcontrib><creatorcontrib>Cruz Díaz-Barradas, Mari</creatorcontrib><creatorcontrib>Zunzunegui, Maria</creatorcontrib><creatorcontrib>Vieira, Simone</creatorcontrib><creatorcontrib>Máguas, Cristina</creatorcontrib><title>Water source partitioning among plant functional types in a semi-arid dune ecosystem</title><title>Journal of vegetation science</title><description>Question(s): The aim of this work was to characterize the main water sources used by the woody plant community of a semi-arid coastal dune ecosystem. We ask: Do the seasonal water sources used by plants differ between functional types? Does the seasonal drought promote shifts towards deeper soil layers in all plants? Does greater use of deep soil water enables the maintenance of a more favorable plant water status? Do water-sources-use strategies mirror overall drought strategies? Location: Semi-arid coastal dune system in Doñana Biological Reserve, southwest Spain. Methods: We analyzed the oxygen isotope composition of xylem water of fourteen coexisting woody species and compared it to water sources (soil water at different depths, rain and groundwater), both in spring and dry summer. Bayesian isotope mixing models were used to estimate the proportion of each water source used by plants. We tested the influence of different (categorical) traits on plants' water-source-use. We evaluated the relationships between the use of deep soil water and ecophysiological parameters related to water economy (leaf δ13C and reflectance water-index). Results: A greater similarity between species was found in periods of higher water availability (spring). Contrastingly, during the dry period the traits considered showed a significant effect on the water sources used and a high inter-specific differentiation was observed. Accordingly, species clustered in five water-use functional groups, exploring water from shallower to deeper soil layers. Greater use of deep soil layers in the dry season was linked to a better seasonal maintenance of plant water status. Conclusions: Coexisting plant functional types segregated along a spectrum of water-source-use under extremely dry conditions, evidencing great soil water partitioning. Relevant seasonal water-use shifts towards deeper soil layers were observed, but not in all species. Furthermore, we confirmed that the water-source-use behavior accompanied broader strategies of drought resistance.</description><subject>Aridity</subject><subject>Bayesian analysis</subject><subject>Coastal environments</subject><subject>coexistence</subject><subject>Drought</subject><subject>Drought resistance</subject><subject>dry conditions</subject><subject>Dry season</subject><subject>Dunes</subject><subject>Ecosystems</subject><subject>Functional groups</subject><subject>Groundwater</subject><subject>groundwater use</subject><subject>Isotope composition</subject><subject>Mathematical models</subject><subject>Mediterranean</subject><subject>Moisture content</subject><subject>Oxygen isotopes</subject><subject>Partitioning</subject><subject>Plant communities</subject><subject>Reflectance</subject><subject>sandy coastal ecosystem</subject><subject>Soil conditions</subject><subject>Soil layers</subject><subject>Soil water</subject><subject>soil water partitioning</subject><subject>Species</subject><subject>stable isotope mixing model</subject><subject>Water availability</subject><subject>water sources segregation</subject><subject>water‐use shifts</subject><subject>Xylem</subject><issn>1100-9233</issn><issn>1654-1103</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LBDEMhosouK4e_AFCwZOH2W3a-TzK4ieCB1c9lm4nIx3my7arzL-366g3c0hCeN6QvIScAltAiGX94RbA0zjbIzNIkzgCYGI_9MBYVHAhDsmRczVjkBUpzMj6VXm01PVbq5EOynrjTd-Z7o2qtg95aFTnabXt9G6uGurHAR01HVXUYWsiZU1Jy22HFHXvRuexPSYHlWocnvzUOXm-vlqvbqOHx5u71eVDpEUSZ1EmdBmjKlLcJFBVecVFVWIiRK5FkWqETapVpss8S_KSAeokB4zzDQfFVQlczMn5tHew_fsWnZd1-CMc6SRnRcZjEZ4M1MVEads7Z7GSgzWtsqMEJnemyWCa_DYtsMuJ_TQNjv-D8v7l6VdxNilq53v7p-BpKhjLQHwB5X14xg</recordid><startdate>20180701</startdate><enddate>20180701</enddate><creator>Antunes, Cristina</creator><creator>Cruz Díaz-Barradas, Mari</creator><creator>Zunzunegui, Maria</creator><creator>Vieira, Simone</creator><creator>Máguas, Cristina</creator><general>John Wiley & Sons Ltd</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-5934-388X</orcidid></search><sort><creationdate>20180701</creationdate><title>Water source partitioning among plant functional types in a semi-arid dune ecosystem</title><author>Antunes, Cristina ; Cruz Díaz-Barradas, Mari ; Zunzunegui, Maria ; Vieira, Simone ; Máguas, Cristina</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3547-73cd4ea96eb51ff8f23fde5338c396ce1b6ca7cd8758d01ec581e48b21a2ad123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Aridity</topic><topic>Bayesian analysis</topic><topic>Coastal environments</topic><topic>coexistence</topic><topic>Drought</topic><topic>Drought resistance</topic><topic>dry conditions</topic><topic>Dry season</topic><topic>Dunes</topic><topic>Ecosystems</topic><topic>Functional groups</topic><topic>Groundwater</topic><topic>groundwater use</topic><topic>Isotope composition</topic><topic>Mathematical models</topic><topic>Mediterranean</topic><topic>Moisture content</topic><topic>Oxygen isotopes</topic><topic>Partitioning</topic><topic>Plant communities</topic><topic>Reflectance</topic><topic>sandy coastal ecosystem</topic><topic>Soil conditions</topic><topic>Soil layers</topic><topic>Soil water</topic><topic>soil water partitioning</topic><topic>Species</topic><topic>stable isotope mixing model</topic><topic>Water availability</topic><topic>water sources segregation</topic><topic>water‐use shifts</topic><topic>Xylem</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Antunes, Cristina</creatorcontrib><creatorcontrib>Cruz Díaz-Barradas, Mari</creatorcontrib><creatorcontrib>Zunzunegui, Maria</creatorcontrib><creatorcontrib>Vieira, Simone</creatorcontrib><creatorcontrib>Máguas, Cristina</creatorcontrib><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Journal of vegetation science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Antunes, Cristina</au><au>Cruz Díaz-Barradas, Mari</au><au>Zunzunegui, Maria</au><au>Vieira, Simone</au><au>Máguas, Cristina</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Water source partitioning among plant functional types in a semi-arid dune ecosystem</atitle><jtitle>Journal of vegetation science</jtitle><date>2018-07-01</date><risdate>2018</risdate><volume>29</volume><issue>4</issue><spage>671</spage><epage>683</epage><pages>671-683</pages><issn>1100-9233</issn><eissn>1654-1103</eissn><abstract>Question(s): The aim of this work was to characterize the main water sources used by the woody plant community of a semi-arid coastal dune ecosystem. We ask: Do the seasonal water sources used by plants differ between functional types? Does the seasonal drought promote shifts towards deeper soil layers in all plants? Does greater use of deep soil water enables the maintenance of a more favorable plant water status? Do water-sources-use strategies mirror overall drought strategies? Location: Semi-arid coastal dune system in Doñana Biological Reserve, southwest Spain. Methods: We analyzed the oxygen isotope composition of xylem water of fourteen coexisting woody species and compared it to water sources (soil water at different depths, rain and groundwater), both in spring and dry summer. Bayesian isotope mixing models were used to estimate the proportion of each water source used by plants. We tested the influence of different (categorical) traits on plants' water-source-use. We evaluated the relationships between the use of deep soil water and ecophysiological parameters related to water economy (leaf δ13C and reflectance water-index). Results: A greater similarity between species was found in periods of higher water availability (spring). Contrastingly, during the dry period the traits considered showed a significant effect on the water sources used and a high inter-specific differentiation was observed. Accordingly, species clustered in five water-use functional groups, exploring water from shallower to deeper soil layers. Greater use of deep soil layers in the dry season was linked to a better seasonal maintenance of plant water status. Conclusions: Coexisting plant functional types segregated along a spectrum of water-source-use under extremely dry conditions, evidencing great soil water partitioning. Relevant seasonal water-use shifts towards deeper soil layers were observed, but not in all species. Furthermore, we confirmed that the water-source-use behavior accompanied broader strategies of drought resistance.</abstract><cop>Hoboken</cop><pub>John Wiley & Sons Ltd</pub><doi>10.1111/jvs.12647</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0002-5934-388X</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Aridity Bayesian analysis Coastal environments coexistence Drought Drought resistance dry conditions Dry season Dunes Ecosystems Functional groups Groundwater groundwater use Isotope composition Mathematical models Mediterranean Moisture content Oxygen isotopes Partitioning Plant communities Reflectance sandy coastal ecosystem Soil conditions Soil layers Soil water soil water partitioning Species stable isotope mixing model Water availability water sources segregation water‐use shifts Xylem |
| title | Water source partitioning among plant functional types in a semi-arid dune ecosystem |
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