<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Aranjuelo, Iker</style></author><author><style face="normal" font="default" size="100%">Pintó-Marijuan, Marta</style></author><author><style face="normal" font="default" size="100%">Avice, Jean Christophe</style></author><author><style face="normal" font="default" size="100%">Fleck, Isabel</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effect of elevated CO2 on carbon partitioning in young Quercus ilex L. during resprouting</style></title><secondary-title><style face="normal" font="default" size="100%">Rapid Communications in Mass Spectrometry</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">carbon allocation</style></keyword><keyword><style  face="normal" font="default" size="100%">Cutting</style></keyword><keyword><style  face="normal" font="default" size="100%">Elevated CO2</style></keyword><keyword><style  face="normal" font="default" size="100%">leaves</style></keyword><keyword><style  face="normal" font="default" size="100%">Photosynthetic activity (voyant)</style></keyword><keyword><style  face="normal" font="default" size="100%">Regrowth</style></keyword><keyword><style  face="normal" font="default" size="100%">roots</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2011///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://dx.doi.org/10.1002/rcm.4715</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">25</style></volume><pages><style face="normal" font="default" size="100%">1527 - 1535</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Stored carbon (C) represents a very important C pool with residence times of years to decades in tree organic matter. With the objective of understanding C assimilation, partitioning and remobilization in 2-year-old Quercus ilex L., those trees were exposed for 7 months to different [CO2] (elevated: 700 µmol mol−1; and ambient: 350 µmol mol−1 CO2). The 13C-isotopic composition of the ambient CO2 (ca. −12.8‰) was modified (to ca. −19.2‰) under the elevated CO2 conditions in order to analyze C allocation and partitioning before aerial biomass excision, and during the following regrowth (resprouting). Although after 7 months of growth under elevated [CO2], Q. ilex plants increased dry matter production, the absence of significant differences in photosynthetic activity suggests that such an increase was lower than expected. Nitrogen availability was not involved in photosynthetic acclimation. The removal of aboveground organs did not enable the balance between C availability and C requirements to be achieved. The isotopic characterization revealed that before the cutting, C partitioning to the stem (main C sink) prevented leaf C accumulation. During regrowth the roots were the organ with more of the labelled C. Furthermore, developing leaves had more C sink strength than shoots during this period. After the cutting, the amount of C delivered from the root to the development of aboveground organs exceeded the requirements of leaves, with the consequent carbohydrate accumulation. These findings demonstrate that, despite having a new C sink, the responsiveness of those resprouts under elevated [CO2] conditions will be strongly conditioned by the plant's capacity to use the extra C present in leaves through its allocation to other organs (roots) and processes (respiration). Copyright © 2011 John Wiley &amp; Sons, Ltd.</style></abstract><issue><style face="normal" font="default" size="100%">11</style></issue><notes><style face="normal" font="default" size="100%">The following values have no corresponding Zotero field:&lt;br/&gt;publisher: John Wiley &amp; Sons, Ltd</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Fernández-Santos, B</style></author><author><style face="normal" font="default" size="100%">Gómez-Gutiérrez, J M</style></author><author><style face="normal" font="default" size="100%">Moreno-Marcos, G</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effects of disturbance caused by traditional Spanish rural land use on the regeneration of Cytisus multiflorus</style></title><secondary-title><style face="normal" font="default" size="100%">Applied Vegetation …</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Cutting</style></keyword><keyword><style  face="normal" font="default" size="100%">fire</style></keyword><keyword><style  face="normal" font="default" size="100%">Mediterranean shrubland</style></keyword><keyword><style  face="normal" font="default" size="100%">Pull-out</style></keyword><keyword><style  face="normal" font="default" size="100%">Ramet</style></keyword><keyword><style  face="normal" font="default" size="100%">seed bank</style></keyword><keyword><style  face="normal" font="default" size="100%">Seedling</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1999</style></year></dates><pages><style face="normal" font="default" size="100%">239-250</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">. Cytisus multiflorus is a leguminous matorral shrub native to the NW Iberian Peninsula, where it is one of the most important species in the extension of matorral at the expense of set-aside agricultural land. Dehesas have traditionally been used for extensive livestock raising and matorral was periodically burnt, cut or pulled out. The two latter practices are now out of use. However, burning is more frequent than in the past. The effects of fire, cutting, and pulling out of C. multiflorus on its regeneration was studied in order to ascertain whether the presently increasing distribution of the species relates to firestimulated regeneration or to the reduction of other traditional practices. Three years after treatment two sets of parameters were determined: 1. Plant origin: seedlings and different ramet types ( ramets = resprout clumps), density, weight, and biomass as well as the percentage of resprouting. 2. Seed persistence at various soil depths. The possible mechanisms of breaking dormancy and plant emergence in different years after fire were studied in other experiments. The results suggest that the regeneration mechanism in C. multiflorus is stimulated by fire, but it is not an exclusive relationship. Stimulation occurs also after other disturbances leading to the total elimination of aerial biomass. The present expansion of the species does not appear to result from the abandonment of some traditional practices, such as cutting or pulling out, but from frequent fires (resulting in aerial-biomass elimination).</style></abstract></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Fernández-Santos, B.</style></author><author><style face="normal" font="default" size="100%">Gómez-Gutiérrez, J. M.</style></author><author><style face="normal" font="default" size="100%">Moreno-Marcos, G.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effects of disturbance caused by traditional Spanish rural land use on the regeneration of Cytisus multiflorus</style></title><secondary-title><style face="normal" font="default" size="100%">Applied Vegetation …</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Cutting</style></keyword><keyword><style  face="normal" font="default" size="100%">fire</style></keyword><keyword><style  face="normal" font="default" size="100%">Mediterranean shrubland</style></keyword><keyword><style  face="normal" font="default" size="100%">Pull-out</style></keyword><keyword><style  face="normal" font="default" size="100%">Ramet</style></keyword><keyword><style  face="normal" font="default" size="100%">seed bank</style></keyword><keyword><style  face="normal" font="default" size="100%">Seedling</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1999</style></year><pub-dates><date><style  face="normal" font="default" size="100%">1999///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://onlinelibrary.wiley.com/doi/10.2307/1478987/abstract</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">239 - 250</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">. Cytisus multiflorus is a leguminous matorral shrub native to the NW Iberian Peninsula, where it is one of the most important species in the extension of matorral at the expense of set-aside agricultural land. Dehesas have traditionally been used for extensive livestock raising and matorral was periodically burnt, cut or pulled out. The two latter practices are now out of use. However, burning is more frequent than in the past. The effects of fire, cutting, and pulling out of C. multiflorus on its regeneration was studied in order to ascertain whether the presently increasing distribution of the species relates to firestimulated regeneration or to the reduction of other traditional practices. Three years after treatment two sets of parameters were determined: 1. Plant origin: seedlings and different ramet types ( ramets = resprout clumps), density, weight, and biomass as well as the percentage of resprouting. 2. Seed persistence at various soil depths. The possible mechanisms of breaking dormancy and plant emergence in different years after fire were studied in other experiments. The results suggest that the regeneration mechanism in C. multiflorus is stimulated by fire, but it is not an exclusive relationship. Stimulation occurs also after other disturbances leading to the total elimination of aerial biomass. The present expansion of the species does not appear to result from the abandonment of some traditional practices, such as cutting or pulling out, but from frequent fires (resulting in aerial-biomass elimination).</style></abstract><issue><style face="normal" font="default" size="100%">Keeley 1995</style></issue></record></records></xml>