The expression of light-related leaf functional traits depends on the location of individual leaves within the crown of isolated Olea europaea trees
The spatial arrangement and expression of foliar syndromes within tree crowns can reflect the coupling between crown form and function in a given environment. Isolated trees subjected to high irradiance and concomitant stress may adjust leaf phenotypes to cope with environmental gradients that are h...
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| Veröffentlicht in: | Annals of botany 2016-04, Vol.117 (4), p.643-651 |
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| creator | Escribano-Rocafort, Adrián G. Ventre-Lespiaucq, Agustina B. Granado-Yela, Carlos de Casas, Rafael Rubio Delgado, Juan A. Balaguer, Luis |
| description | The spatial arrangement and expression of foliar syndromes within tree crowns can reflect the coupling between crown form and function in a given environment. Isolated trees subjected to high irradiance and concomitant stress may adjust leaf phenotypes to cope with environmental gradients that are heterogeneous in space and time within the tree crown. The distinct expression of leaf phenotypes among crown positions could lead to complementary patterns in light interception at the crown scale.
We quantified eight light-related leaf traits across 12 crown positions of ten isolated Olea europaea trees in the field. Specifically, we investigated whether the phenotypic expression of foliar traits differed among crown sectors and layers and five periods of the day from sunrise to sunset. We investigated the consequences in terms of the exposed area of the leaves at the tree scale during a single day.
All traits differed among crown positions except the length-to-width ratio of the leaves. We found a strong complementarity in the patterns of the potential exposed area of the leaves among day periods as a result of a non-random distribution of leaf angles across the crown. Leaf exposure at the outer layer was below 60 % of the displayed surface, reaching maximum interception during morning periods. Daily interception increased towards the inner layer, achieving consecutive maximization from east to west positions within the crown, matching the sun's trajectory.
The expression of leaf traits within isolated trees of O. europaea varies continuously through the crown in a gradient of leaf morphotypes and leaf angles depending on the exposure and location of individual leaves. The distribution of light-related traits within the crown and the complementarity in the potential exposure patterns of the leaves during the day challenges the assumption of low trait variability within individuals. |
| doi_str_mv | 10.1093/aob/mcw004 |
| format | Article |
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We quantified eight light-related leaf traits across 12 crown positions of ten isolated Olea europaea trees in the field. Specifically, we investigated whether the phenotypic expression of foliar traits differed among crown sectors and layers and five periods of the day from sunrise to sunset. We investigated the consequences in terms of the exposed area of the leaves at the tree scale during a single day.
All traits differed among crown positions except the length-to-width ratio of the leaves. We found a strong complementarity in the patterns of the potential exposed area of the leaves among day periods as a result of a non-random distribution of leaf angles across the crown. Leaf exposure at the outer layer was below 60 % of the displayed surface, reaching maximum interception during morning periods. Daily interception increased towards the inner layer, achieving consecutive maximization from east to west positions within the crown, matching the sun's trajectory.
The expression of leaf traits within isolated trees of O. europaea varies continuously through the crown in a gradient of leaf morphotypes and leaf angles depending on the exposure and location of individual leaves. The distribution of light-related traits within the crown and the complementarity in the potential exposure patterns of the leaves during the day challenges the assumption of low trait variability within individuals.</description><identifier>ISSN: 0305-7364</identifier><identifier>EISSN: 1095-8290</identifier><identifier>DOI: 10.1093/aob/mcw004</identifier><identifier>PMID: 26944783</identifier><language>eng</language><publisher>England: Oxford University Press</publisher><subject>Light ; Linear Models ; Olea - physiology ; Olea - radiation effects ; Original ; ORIGINAL ARTICLES ; Plant Leaves - physiology ; Plant Leaves - radiation effects ; Quantitative Trait, Heritable ; Time Factors ; Trees - physiology ; Trees - radiation effects</subject><ispartof>Annals of botany, 2016-04, Vol.117 (4), p.643-651</ispartof><rights>The Author 2016</rights><rights>The Author 2016. Published by Oxford University Press on behalf of the Annals of Botany Company. All rights reserved. For Permissions, please email: journals.permissions@oup.com.</rights><rights>The Author 2016. Published by Oxford University Press on behalf of the Annals of Botany Company. All rights reserved. For Permissions, please email: journals.permissions@oup.com 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c364t-e6b0fa09fd91851dfe9f1bd6d0cc2f3ff488f1d732eeaaee356d763395c0d8b13</citedby><cites>FETCH-LOGICAL-c364t-e6b0fa09fd91851dfe9f1bd6d0cc2f3ff488f1d732eeaaee356d763395c0d8b13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/26526426$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/26526426$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,727,780,784,803,885,27922,27923,53789,53791,58015,58248</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26944783$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Escribano-Rocafort, Adrián G.</creatorcontrib><creatorcontrib>Ventre-Lespiaucq, Agustina B.</creatorcontrib><creatorcontrib>Granado-Yela, Carlos</creatorcontrib><creatorcontrib>de Casas, Rafael Rubio</creatorcontrib><creatorcontrib>Delgado, Juan A.</creatorcontrib><creatorcontrib>Balaguer, Luis</creatorcontrib><title>The expression of light-related leaf functional traits depends on the location of individual leaves within the crown of isolated Olea europaea trees</title><title>Annals of botany</title><addtitle>Ann Bot</addtitle><description>The spatial arrangement and expression of foliar syndromes within tree crowns can reflect the coupling between crown form and function in a given environment. Isolated trees subjected to high irradiance and concomitant stress may adjust leaf phenotypes to cope with environmental gradients that are heterogeneous in space and time within the tree crown. The distinct expression of leaf phenotypes among crown positions could lead to complementary patterns in light interception at the crown scale.
We quantified eight light-related leaf traits across 12 crown positions of ten isolated Olea europaea trees in the field. Specifically, we investigated whether the phenotypic expression of foliar traits differed among crown sectors and layers and five periods of the day from sunrise to sunset. We investigated the consequences in terms of the exposed area of the leaves at the tree scale during a single day.
All traits differed among crown positions except the length-to-width ratio of the leaves. We found a strong complementarity in the patterns of the potential exposed area of the leaves among day periods as a result of a non-random distribution of leaf angles across the crown. Leaf exposure at the outer layer was below 60 % of the displayed surface, reaching maximum interception during morning periods. Daily interception increased towards the inner layer, achieving consecutive maximization from east to west positions within the crown, matching the sun's trajectory.
The expression of leaf traits within isolated trees of O. europaea varies continuously through the crown in a gradient of leaf morphotypes and leaf angles depending on the exposure and location of individual leaves. The distribution of light-related traits within the crown and the complementarity in the potential exposure patterns of the leaves during the day challenges the assumption of low trait variability within individuals.</description><subject>Light</subject><subject>Linear Models</subject><subject>Olea - physiology</subject><subject>Olea - radiation effects</subject><subject>Original</subject><subject>ORIGINAL ARTICLES</subject><subject>Plant Leaves - physiology</subject><subject>Plant Leaves - radiation effects</subject><subject>Quantitative Trait, Heritable</subject><subject>Time Factors</subject><subject>Trees - physiology</subject><subject>Trees - radiation effects</subject><issn>0305-7364</issn><issn>1095-8290</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpVkUtLAzEUhYMotlY37pWshbHJZJ4bQYovKHRT10MmuWlTppMhSVv9H_5gU6aWuroh5zvncjkI3VLySEnJxtzU47XYEZKcoWH4SaMiLsk5GhJG0ihnWTJAV86tCCFxVtJLNAgjSfKCDdHPfAkYvjoLzmnTYqNwoxdLH1louAeJG-AKq00rfJB5g73l2jssoYNWOhwsPiQ0RnB_8OtW6q2WmwAH8xYc3mm_1D0orNn1lDP9glmAMGys6Xh4eAvgrtGF4o2Dm8Mcoc_Xl_nkPZrO3j4mz9NIhJt8BFlNFCelkiUtUioVlIrWMpNEiFgxpZKiUFTmLAbgHIClmcwzxspUEFnUlI3QU5_bbeo1SAFtuK6pOqvX3H5Xhuvqv9LqZbUw2yopaJ6wfcBDHxDOcs6COnopqfbdVKGbqu8mwPen247oXxkBuOuBlfPGnuhpnCVxxn4BNXqbFg</recordid><startdate>20160401</startdate><enddate>20160401</enddate><creator>Escribano-Rocafort, Adrián G.</creator><creator>Ventre-Lespiaucq, Agustina B.</creator><creator>Granado-Yela, Carlos</creator><creator>de Casas, Rafael Rubio</creator><creator>Delgado, Juan A.</creator><creator>Balaguer, Luis</creator><general>Oxford University Press</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>5PM</scope></search><sort><creationdate>20160401</creationdate><title>The expression of light-related leaf functional traits depends on the location of individual leaves within the crown of isolated Olea europaea trees</title><author>Escribano-Rocafort, Adrián G. ; Ventre-Lespiaucq, Agustina B. ; Granado-Yela, Carlos ; de Casas, Rafael Rubio ; Delgado, Juan A. ; Balaguer, Luis</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-e6b0fa09fd91851dfe9f1bd6d0cc2f3ff488f1d732eeaaee356d763395c0d8b13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Light</topic><topic>Linear Models</topic><topic>Olea - physiology</topic><topic>Olea - radiation effects</topic><topic>Original</topic><topic>ORIGINAL ARTICLES</topic><topic>Plant Leaves - physiology</topic><topic>Plant Leaves - radiation effects</topic><topic>Quantitative Trait, Heritable</topic><topic>Time Factors</topic><topic>Trees - physiology</topic><topic>Trees - radiation effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Escribano-Rocafort, Adrián G.</creatorcontrib><creatorcontrib>Ventre-Lespiaucq, Agustina B.</creatorcontrib><creatorcontrib>Granado-Yela, Carlos</creatorcontrib><creatorcontrib>de Casas, Rafael Rubio</creatorcontrib><creatorcontrib>Delgado, Juan A.</creatorcontrib><creatorcontrib>Balaguer, Luis</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Annals of botany</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Escribano-Rocafort, Adrián G.</au><au>Ventre-Lespiaucq, Agustina B.</au><au>Granado-Yela, Carlos</au><au>de Casas, Rafael Rubio</au><au>Delgado, Juan A.</au><au>Balaguer, Luis</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The expression of light-related leaf functional traits depends on the location of individual leaves within the crown of isolated Olea europaea trees</atitle><jtitle>Annals of botany</jtitle><addtitle>Ann Bot</addtitle><date>2016-04-01</date><risdate>2016</risdate><volume>117</volume><issue>4</issue><spage>643</spage><epage>651</epage><pages>643-651</pages><issn>0305-7364</issn><eissn>1095-8290</eissn><abstract>The spatial arrangement and expression of foliar syndromes within tree crowns can reflect the coupling between crown form and function in a given environment. Isolated trees subjected to high irradiance and concomitant stress may adjust leaf phenotypes to cope with environmental gradients that are heterogeneous in space and time within the tree crown. The distinct expression of leaf phenotypes among crown positions could lead to complementary patterns in light interception at the crown scale.
We quantified eight light-related leaf traits across 12 crown positions of ten isolated Olea europaea trees in the field. Specifically, we investigated whether the phenotypic expression of foliar traits differed among crown sectors and layers and five periods of the day from sunrise to sunset. We investigated the consequences in terms of the exposed area of the leaves at the tree scale during a single day.
All traits differed among crown positions except the length-to-width ratio of the leaves. We found a strong complementarity in the patterns of the potential exposed area of the leaves among day periods as a result of a non-random distribution of leaf angles across the crown. Leaf exposure at the outer layer was below 60 % of the displayed surface, reaching maximum interception during morning periods. Daily interception increased towards the inner layer, achieving consecutive maximization from east to west positions within the crown, matching the sun's trajectory.
The expression of leaf traits within isolated trees of O. europaea varies continuously through the crown in a gradient of leaf morphotypes and leaf angles depending on the exposure and location of individual leaves. The distribution of light-related traits within the crown and the complementarity in the potential exposure patterns of the leaves during the day challenges the assumption of low trait variability within individuals.</abstract><cop>England</cop><pub>Oxford University Press</pub><pmid>26944783</pmid><doi>10.1093/aob/mcw004</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; JSTOR Archive Collection A-Z Listing; Oxford University Press Journals All Titles (1996-Current); EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Light Linear Models Olea - physiology Olea - radiation effects Original ORIGINAL ARTICLES Plant Leaves - physiology Plant Leaves - radiation effects Quantitative Trait, Heritable Time Factors Trees - physiology Trees - radiation effects |
| title | The expression of light-related leaf functional traits depends on the location of individual leaves within the crown of isolated Olea europaea trees |
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