Root dynamics and survival in a nutrient-poor and species-rich woodland under a drying climate
Background and aims In Australia's Mediterranean hyperdiverse vegetation, species that produce cluster roots to mobilise poorly-available nutrients (e.g. Banksia spp.) are an important functional and structural component. Cluster roots are only active during the wet season, indicating a strong...
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| Veröffentlicht in: | Plant and soil 2018-03, Vol.424 (1/2), p.91-102 |
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| creator | Teste, François P. Marchesini, Victoria A. Veneklaas, Erik J. Dixon, Kingsley W. Lambers, Hans |
| description | Background and aims In Australia's Mediterranean hyperdiverse vegetation, species that produce cluster roots to mobilise poorly-available nutrients (e.g. Banksia spp.) are an important functional and structural component. Cluster roots are only active during the wet season, indicating a strong dependence on suitable surface soil moisture conditions. Winter rainfall in this region is declining due to global climate change, with a delayed commencement of rains and a decline in precipitation. It is unknown how lower soil moisture levels will affect the root dynamics of these globally-significant plant communities. Methods We determined the root dynamics and root lifespan with minirhizotrons with or without irrigation to simulate reduced rainfall scenarios. Results We found a major effect of irrigation on the early production (0.24 m m−2 d−1 increase), occurrence (97% increase) of cluster roots and only slight effects on lifespan (∼10 days less) of all root types. With irrigation, the resultant greater soil moisture levels increased the deployment of cluster roots. Apart from cluster roots, the dynamics of other roots did not decline at lower soil moisture levels, suggesting that this system shows some resilience to decreased rainfall. Conclusions Future research should focus on assessing if climate-altered cluster-root activity may be promoting compositional shifts in plant communities with additional restraining effects on root trait diversity. |
| doi_str_mv | 10.1007/s11104-017-3323-9 |
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Cluster roots are only active during the wet season, indicating a strong dependence on suitable surface soil moisture conditions. Winter rainfall in this region is declining due to global climate change, with a delayed commencement of rains and a decline in precipitation. It is unknown how lower soil moisture levels will affect the root dynamics of these globally-significant plant communities. Methods We determined the root dynamics and root lifespan with minirhizotrons with or without irrigation to simulate reduced rainfall scenarios. Results We found a major effect of irrigation on the early production (0.24 m m−2 d−1 increase), occurrence (97% increase) of cluster roots and only slight effects on lifespan (∼10 days less) of all root types. With irrigation, the resultant greater soil moisture levels increased the deployment of cluster roots. Apart from cluster roots, the dynamics of other roots did not decline at lower soil moisture levels, suggesting that this system shows some resilience to decreased rainfall. Conclusions Future research should focus on assessing if climate-altered cluster-root activity may be promoting compositional shifts in plant communities with additional restraining effects on root trait diversity.</description><identifier>ISSN: 0032-079X</identifier><identifier>EISSN: 1573-5036</identifier><identifier>DOI: 10.1007/s11104-017-3323-9</identifier><language>eng</language><publisher>Cham: Springer</publisher><subject>Biomedical and Life Sciences ; Climate ; Climate change ; Clusters ; Drying ; Ecology ; Environmental aspects ; Global climate ; Irrigation ; Irrigation effects ; Life Sciences ; Life span ; Nutrient availability ; Nutrient dynamics ; Nutrients ; Plant communities ; Plant Physiology ; Plant Sciences ; Plant-soil relationships ; Precipitation ; Rainfall ; Rainy season ; Regular Article ; Roots ; Soil conditions ; Soil dynamics ; Soil moisture ; Soil Science & Conservation ; Soil surfaces ; Structure-function relationships ; Survival ; Woodlands</subject><ispartof>Plant and soil, 2018-03, Vol.424 (1/2), p.91-102</ispartof><rights>Springer International Publishing AG, part of Springer Nature 2018</rights><rights>Springer International Publishing AG 2017</rights><rights>COPYRIGHT 2018 Springer</rights><rights>Plant and Soil is a copyright of Springer, (2017). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c377t-489816fac9ef057da1baf96f793f9fa5c79736116f144f67b1f0dd40ecd00dd3</citedby><cites>FETCH-LOGICAL-c377t-489816fac9ef057da1baf96f793f9fa5c79736116f144f67b1f0dd40ecd00dd3</cites><orcidid>0000-0002-2282-6431</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/26652024$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/26652024$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,27903,27904,41467,42536,51298,57996,58229</link.rule.ids></links><search><creatorcontrib>Teste, François P.</creatorcontrib><creatorcontrib>Marchesini, Victoria A.</creatorcontrib><creatorcontrib>Veneklaas, Erik J.</creatorcontrib><creatorcontrib>Dixon, Kingsley W.</creatorcontrib><creatorcontrib>Lambers, Hans</creatorcontrib><title>Root dynamics and survival in a nutrient-poor and species-rich woodland under a drying climate</title><title>Plant and soil</title><addtitle>Plant Soil</addtitle><description>Background and aims In Australia's Mediterranean hyperdiverse vegetation, species that produce cluster roots to mobilise poorly-available nutrients (e.g. Banksia spp.) are an important functional and structural component. Cluster roots are only active during the wet season, indicating a strong dependence on suitable surface soil moisture conditions. Winter rainfall in this region is declining due to global climate change, with a delayed commencement of rains and a decline in precipitation. It is unknown how lower soil moisture levels will affect the root dynamics of these globally-significant plant communities. Methods We determined the root dynamics and root lifespan with minirhizotrons with or without irrigation to simulate reduced rainfall scenarios. Results We found a major effect of irrigation on the early production (0.24 m m−2 d−1 increase), occurrence (97% increase) of cluster roots and only slight effects on lifespan (∼10 days less) of all root types. With irrigation, the resultant greater soil moisture levels increased the deployment of cluster roots. Apart from cluster roots, the dynamics of other roots did not decline at lower soil moisture levels, suggesting that this system shows some resilience to decreased rainfall. Conclusions Future research should focus on assessing if climate-altered cluster-root activity may be promoting compositional shifts in plant communities with additional restraining effects on root trait diversity.</description><subject>Biomedical and Life Sciences</subject><subject>Climate</subject><subject>Climate change</subject><subject>Clusters</subject><subject>Drying</subject><subject>Ecology</subject><subject>Environmental aspects</subject><subject>Global climate</subject><subject>Irrigation</subject><subject>Irrigation effects</subject><subject>Life Sciences</subject><subject>Life span</subject><subject>Nutrient availability</subject><subject>Nutrient dynamics</subject><subject>Nutrients</subject><subject>Plant communities</subject><subject>Plant Physiology</subject><subject>Plant Sciences</subject><subject>Plant-soil relationships</subject><subject>Precipitation</subject><subject>Rainfall</subject><subject>Rainy season</subject><subject>Regular Article</subject><subject>Roots</subject><subject>Soil conditions</subject><subject>Soil dynamics</subject><subject>Soil moisture</subject><subject>Soil Science & Conservation</subject><subject>Soil surfaces</subject><subject>Structure-function relationships</subject><subject>Survival</subject><subject>Woodlands</subject><issn>0032-079X</issn><issn>1573-5036</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kMtKJDEUhoOMYE_rA7gYCLiOniRVlc5SmrkIgiC9cGVI59KmKZOepMqh394UJbobskhyzv-dy4_QJYVrCiBuCqUUGgJUEM4ZJ_IELWgrOGmBd9_QAoAzAkI-naHvpexh-tNugZ4fUxqwPUb9GkzBOlpcxvwW3nSPQ8Qax3HIwcWBHFLKc_7gTHCF5GBe8L-UbD9Fx2hdzWObjyHusOnDqx7cOTr1ui_u4uNeos2vn5v1H3L_8PtufXtPDBdiIM1KrmjntZHOQyusplvtZeeF5F563RohBe9oldCm8Z3YUg_WNuCMhfrgS3Q1lz3k9Hd0ZVD7NOZYOyoGrO1axhuoqutZtdO9UyH6NGRt6rGuLp-i86HGb1veyJVgfALoDJicSsnOq0Oua-WjoqAm29Vsu6q2q8l2JSvDZqZUbdy5_DXK_6AfM7QvQ8qfXVhXJwfW8HdEjY8K</recordid><startdate>20180301</startdate><enddate>20180301</enddate><creator>Teste, François P.</creator><creator>Marchesini, Victoria A.</creator><creator>Veneklaas, Erik J.</creator><creator>Dixon, Kingsley W.</creator><creator>Lambers, Hans</creator><general>Springer</general><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SN</scope><scope>7ST</scope><scope>7T7</scope><scope>7X2</scope><scope>88A</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>RC3</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-2282-6431</orcidid></search><sort><creationdate>20180301</creationdate><title>Root dynamics and survival in a nutrient-poor and species-rich woodland under a drying climate</title><author>Teste, François P. ; Marchesini, Victoria A. ; Veneklaas, Erik J. ; Dixon, Kingsley W. ; Lambers, Hans</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-489816fac9ef057da1baf96f793f9fa5c79736116f144f67b1f0dd40ecd00dd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Biomedical and Life Sciences</topic><topic>Climate</topic><topic>Climate change</topic><topic>Clusters</topic><topic>Drying</topic><topic>Ecology</topic><topic>Environmental aspects</topic><topic>Global climate</topic><topic>Irrigation</topic><topic>Irrigation effects</topic><topic>Life Sciences</topic><topic>Life span</topic><topic>Nutrient availability</topic><topic>Nutrient dynamics</topic><topic>Nutrients</topic><topic>Plant communities</topic><topic>Plant Physiology</topic><topic>Plant Sciences</topic><topic>Plant-soil relationships</topic><topic>Precipitation</topic><topic>Rainfall</topic><topic>Rainy season</topic><topic>Regular Article</topic><topic>Roots</topic><topic>Soil conditions</topic><topic>Soil dynamics</topic><topic>Soil moisture</topic><topic>Soil Science & Conservation</topic><topic>Soil surfaces</topic><topic>Structure-function relationships</topic><topic>Survival</topic><topic>Woodlands</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Teste, François P.</creatorcontrib><creatorcontrib>Marchesini, Victoria A.</creatorcontrib><creatorcontrib>Veneklaas, Erik J.</creatorcontrib><creatorcontrib>Dixon, Kingsley W.</creatorcontrib><creatorcontrib>Lambers, Hans</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Agricultural Science Collection</collection><collection>Biology Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Plant and soil</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Teste, François P.</au><au>Marchesini, Victoria A.</au><au>Veneklaas, Erik J.</au><au>Dixon, Kingsley W.</au><au>Lambers, Hans</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Root dynamics and survival in a nutrient-poor and species-rich woodland under a drying climate</atitle><jtitle>Plant and soil</jtitle><stitle>Plant Soil</stitle><date>2018-03-01</date><risdate>2018</risdate><volume>424</volume><issue>1/2</issue><spage>91</spage><epage>102</epage><pages>91-102</pages><issn>0032-079X</issn><eissn>1573-5036</eissn><abstract>Background and aims In Australia's Mediterranean hyperdiverse vegetation, species that produce cluster roots to mobilise poorly-available nutrients (e.g. Banksia spp.) are an important functional and structural component. Cluster roots are only active during the wet season, indicating a strong dependence on suitable surface soil moisture conditions. Winter rainfall in this region is declining due to global climate change, with a delayed commencement of rains and a decline in precipitation. It is unknown how lower soil moisture levels will affect the root dynamics of these globally-significant plant communities. Methods We determined the root dynamics and root lifespan with minirhizotrons with or without irrigation to simulate reduced rainfall scenarios. Results We found a major effect of irrigation on the early production (0.24 m m−2 d−1 increase), occurrence (97% increase) of cluster roots and only slight effects on lifespan (∼10 days less) of all root types. With irrigation, the resultant greater soil moisture levels increased the deployment of cluster roots. Apart from cluster roots, the dynamics of other roots did not decline at lower soil moisture levels, suggesting that this system shows some resilience to decreased rainfall. Conclusions Future research should focus on assessing if climate-altered cluster-root activity may be promoting compositional shifts in plant communities with additional restraining effects on root trait diversity.</abstract><cop>Cham</cop><pub>Springer</pub><doi>10.1007/s11104-017-3323-9</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-2282-6431</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Biomedical and Life Sciences Climate Climate change Clusters Drying Ecology Environmental aspects Global climate Irrigation Irrigation effects Life Sciences Life span Nutrient availability Nutrient dynamics Nutrients Plant communities Plant Physiology Plant Sciences Plant-soil relationships Precipitation Rainfall Rainy season Regular Article Roots Soil conditions Soil dynamics Soil moisture Soil Science & Conservation Soil surfaces Structure-function relationships Survival Woodlands |
| title | Root dynamics and survival in a nutrient-poor and species-rich woodland under a drying climate |
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