{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T08:30:46Z","timestamp":1768811446172,"version":"3.49.0"},"reference-count":95,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2019,4,11]],"date-time":"2019-04-11T00:00:00Z","timestamp":1554940800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"name":"ESE laboratory"},{"name":"Minist\u00e8re de la Recherche-ACI Jeunes Chercheurs","award":["JC10009"],"award-info":[{"award-number":["JC10009"]}]},{"name":"European Community","award":["HPRN-CT-1999-00059"],"award-info":[{"award-number":["HPRN-CT-1999-00059"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,8,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Tree ring synthesis is a key process in wood production; however, little is known of the origin and fate of the carbon involved. We used natural 13C abundance to investigate the carbon-use process for the ring development in a temperate deciduous (Quercus petraea (Matt.) Liebl.) and a Mediterranean evergreen (Quercus ilex L.) oak. The sapwood carbon reserves, phloem sucrose contents, stem respired CO2 efflux and their respective carbon isotope compositions (\u03b413C) were recorded over 1 year, in the native area of each species. The seasonal \u03b413C variation of the current year ring was determined in the total ring throughout the seasons, as well as in slices from the fully mature ring after the growth season (intra-ring pattern). Although the budburst dates of the two oaks were similar, the growth of Quercus ilex began 50\u00a0days later. Both species exhibited growth cessation during the hot and dry summer but only Q. ilex resumed in the autumn. In the deciduous oak, xylem starch storage showed clear variations during the radial growth. The intra-ring \u03b413C variations of the two species exhibited similar ranges, but contrasting patterns, with an early increase for Q. petraea. Comparison between \u03b413C of starch and total ring suggested that Q. petraea (but not Q. ilex) builds its rings using reserves during the first month of growth. Shifts in ring and soluble sugars \u03b413C suggested an interspecific difference in either the phloem unloading or the use of fresh assimilate inside the ring. A decrease in ring \u03b413C for both oaks between the end of the radial growth and the winter is attributed to a lignification of ring cell walls after stem increment. This study highlighted the differences in carbon-use during ring growth for evergreen and deciduous oaks, as well as the benefits of exploring the process using natural 13C abundance.<\/jats:p>","DOI":"10.1093\/treephys\/tpz043","type":"journal-article","created":{"date-parts":[[2019,4,10]],"date-time":"2019-04-10T07:13:09Z","timestamp":1554880389000},"page":"1329-1341","source":"Crossref","is-referenced-by-count":12,"title":["Carbon-use strategies in stem radial growth of two oak species, one Temperate deciduous and one Mediterranean evergreen: what can be inferred from seasonal variations in the \u03b413C of the current year ring?"],"prefix":"10.1093","volume":"39","author":[{"given":"C\u00e9cile","family":"Vincent-Barbaroux","sequence":"first","affiliation":[{"name":"Laboratoire Biologie des Ligneux et des Grandes Cultures, INRA, Universit\u00e9 d\u2019Orl\u00e9ans, USC, Orl\u00e9ans cedex 2, France"},{"name":"Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal"}]},{"given":"Daniel","family":"Berveiller","sequence":"additional","affiliation":[{"name":"Laboratoire Ecologie Syst\u00e9matique et Evolution, UMR, Universit\u00e9 Paris-Sud, CNRS, AgroparisTech, Orsay, France"}]},{"given":"Caroline","family":"Lelarge-Trouverie","sequence":"additional","affiliation":[{"name":"Institute of Plant Sciences Paris-Saclay IPS2, CNRS, INRA, Universit\u00e9 Paris-Sud, Universit\u00e9 d\u2019Evry, Universit\u00e9 Paris-Diderot, Universit\u00e9 Paris-Saclay, B\u00e2timent, Orsay, France"}]},{"given":"Rodrigo","family":"Maia","sequence":"additional","affiliation":[{"name":"Centro de Ecologia, Evolu\u00e7\u00e3o e Altera\u00e7\u00f5es Ambientais (cE3c), Faculdade de Ci\u00eancias da Universidade de Lisboa, Campo Grande, Lisboa, Portugal"}]},{"given":"Cristina","family":"M\u00e1guas","sequence":"additional","affiliation":[{"name":"Centro de Ecologia, Evolu\u00e7\u00e3o e Altera\u00e7\u00f5es Ambientais (cE3c), Faculdade de Ci\u00eancias da Universidade de Lisboa, Campo Grande, Lisboa, Portugal"}]},{"given":"Jo\u00e3o","family":"Pereira","sequence":"additional","affiliation":[{"name":"Centro de Estudos Florestais Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal"}]},{"given":"Manuela M","family":"Chaves","sequence":"additional","affiliation":[{"name":"Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal"},{"name":"Instituto de Tecnologia Qu\u00edmica e Biol\u00f3gica, Universidade Nova de Lisboa, Oeiras, Portugal"}]},{"given":"Claire","family":"Damesin","sequence":"additional","affiliation":[{"name":"Laboratoire Ecologie Syst\u00e9matique et Evolution, UMR, Universit\u00e9 Paris-Sud, CNRS, AgroparisTech, Orsay, France"}]}],"member":"286","published-online":{"date-parts":[[2019,5,17]]},"reference":[{"key":"2019082110051755100_ref1","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1890\/ES15-00203.1","article-title":"On underestimation of global vulnerability to tree mortality and 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