Contrasting species decline but high sensitivity to increasing water stress on a mixed pine–oak ecotone
16 Pág. Instituto de Ciencias Forestales (ICIFOR)
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| Format: | artículo biblioteca |
| Language: | English |
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Wiley-Blackwell
2020-06-20
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| Subjects: | Climate change, Drought, Isohydric–anisohydric, Non-structural carbohydrates, Pine–oak, Water-use efficiency, http://metadata.un.org/sdg/13, Take urgent action to combat climate change and its impacts, |
| Online Access: | http://hdl.handle.net/10261/287795 http://dx.doi.org/10.13039/100012818 http://dx.doi.org/10.13039/501100003329 https://api.elsevier.com/content/abstract/scopus_id/85088817048 |
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Climate change Drought Isohydric–anisohydric Non-structural carbohydrates Pine–oak Water-use efficiency http://metadata.un.org/sdg/13 Take urgent action to combat climate change and its impacts Climate change Drought Isohydric–anisohydric Non-structural carbohydrates Pine–oak Water-use efficiency http://metadata.un.org/sdg/13 Take urgent action to combat climate change and its impacts |
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Climate change Drought Isohydric–anisohydric Non-structural carbohydrates Pine–oak Water-use efficiency http://metadata.un.org/sdg/13 Take urgent action to combat climate change and its impacts Climate change Drought Isohydric–anisohydric Non-structural carbohydrates Pine–oak Water-use efficiency http://metadata.un.org/sdg/13 Take urgent action to combat climate change and its impacts Gea-Izquierdo, Guillermo Aranda García, Ismael Cañellas, Isabel Dorado-Liñán, I. Olano Mendoza, José Miguel Martín-Benito, Darío Contrasting species decline but high sensitivity to increasing water stress on a mixed pine–oak ecotone |
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16 Pág.
Instituto de Ciencias Forestales (ICIFOR) |
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Ministerio de Economía y Competitividad (España) |
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Ministerio de Economía y Competitividad (España) Gea-Izquierdo, Guillermo Aranda García, Ismael Cañellas, Isabel Dorado-Liñán, I. Olano Mendoza, José Miguel Martín-Benito, Darío |
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artículo |
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Climate change Drought Isohydric–anisohydric Non-structural carbohydrates Pine–oak Water-use efficiency http://metadata.un.org/sdg/13 Take urgent action to combat climate change and its impacts |
| author |
Gea-Izquierdo, Guillermo Aranda García, Ismael Cañellas, Isabel Dorado-Liñán, I. Olano Mendoza, José Miguel Martín-Benito, Darío |
| author_sort |
Gea-Izquierdo, Guillermo |
| title |
Contrasting species decline but high sensitivity to increasing water stress on a mixed pine–oak ecotone |
| title_short |
Contrasting species decline but high sensitivity to increasing water stress on a mixed pine–oak ecotone |
| title_full |
Contrasting species decline but high sensitivity to increasing water stress on a mixed pine–oak ecotone |
| title_fullStr |
Contrasting species decline but high sensitivity to increasing water stress on a mixed pine–oak ecotone |
| title_full_unstemmed |
Contrasting species decline but high sensitivity to increasing water stress on a mixed pine–oak ecotone |
| title_sort |
contrasting species decline but high sensitivity to increasing water stress on a mixed pine–oak ecotone |
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Wiley-Blackwell |
| publishDate |
2020-06-20 |
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http://hdl.handle.net/10261/287795 http://dx.doi.org/10.13039/100012818 http://dx.doi.org/10.13039/501100003329 https://api.elsevier.com/content/abstract/scopus_id/85088817048 |
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1816136203552948224 |
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dig-inia-es-10261-2877952024-11-02T21:58:27Z Contrasting species decline but high sensitivity to increasing water stress on a mixed pine–oak ecotone Gea-Izquierdo, Guillermo Aranda García, Ismael Cañellas, Isabel Dorado-Liñán, I. Olano Mendoza, José Miguel Martín-Benito, Darío Ministerio de Economía y Competitividad (España) Comunidad de Madrid Fundación la Caixa Gea Izquierdo, Guillermo [0000-0003-0148-3721] Aranda, Ismael [0000-0001-9086-7940] Dorado-Liñán, I. [0000-0002-8913-0420] Olano Mendoza, José Miguel [0000-0002-4526-5462] Martín Benito, Darío [0000-0002-6738-3312] Cañellas, I. [0000-0002-9716-7776] Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72] Climate change Drought Isohydric–anisohydric Non-structural carbohydrates Pine–oak Water-use efficiency http://metadata.un.org/sdg/13 Take urgent action to combat climate change and its impacts 16 Pág. Instituto de Ciencias Forestales (ICIFOR) Forest decline under environmental stress is expressed by regeneration failure and accelerated mortality in all ontogenic stages at the population level. Characterizing functional traits and mechanisms that best capture species decline and mortality is essential to assess forest dynamics. We analysed sensitivity to increasing water stress in two species with different water-use strategies on a mixed Quercus pyrenaica–Pinus sylvestris forest where adult pines express vulnerability to climate change but oaks do not. We compared the dynamics of radial growth, wood δ13C and sapwood non-structural carbohydrates (NSCs) in response to drought at different time-scales in both species and two age cohorts in pine. Both species were very sensitive to water stress, which influenced trait phenotypic plasticity at short- and long time-scales. Water-use strategy in pines of both ages was more conservative than in the more drought-tolerant oak. Both species showed negative growth trends despite increasing intrinsic water-use efficiency. Recent growth of pines is slower than it was in the past. Carbon isotope discrimination trends in young pines suggested increasing leaf gas exchange constraints. NSCs were far from depletion in both species and all pine ages. Intra- and inter-annual NSC variability was higher in oaks than in pines and in soluble sugars (SS) than in starch. SS were lowest in young pines. Sensitivity of NSCs to contrasting climatic years was low in pines, and NSC levels mostly remained homeostatic for this species. The sensitivity to climate expressed suggests different C allocation strategies, with less coupling between radial growth and current-year photosynthesis in young pines. Synthesis. Pines expressed negative responses to increased water stress regardless of age, showing rising gas exchange constraints through tighter stomatal control of water losses than oaks. Young pines showed similar functional responses to water stress than old pines in decline, which suggests species-level vulnerability and could be regarded as early warning signals anticipating mortality in pines. Yet, given the high sensitivity to drought also expressed by the non-declining oak, it would have been difficult to unequivocally disentangle species decline based only on the functional traits analysed. This is a contribution to projects AGL2014-61175-JIN and AGL2015-73190-JIN by the Spanish Ministry of Economy and Competitiveness, who also funded G.G.-I. with RyC-2014-15864 and D.M.-B. with RYC-2017-23389. In addition, funding to support this work was partly provided by the Autonomous Community of Madrid (REMEDINAL TE-CM-S2018/EMT-4338). I.D.-L. received financial support from project BOSSANOVA (S2013/MAE-2760) and from Fundació La Caixa through the Junior Leader Program (LCF/BQ/LR18/11640004). Peer reviewed 2023-01-30T10:19:09Z 2023-01-30T10:19:09Z 2020-06-20 artículo http://purl.org/coar/resource_type/c_6501 Publisher's version Journal of Ecology 109(1): 109-124 (2021) 0022-0477 http://hdl.handle.net/10261/287795 10.1111/1365-2745.13450 http://dx.doi.org/10.13039/100012818 http://dx.doi.org/10.13039/501100003329 2-s2.0-85088817048 https://api.elsevier.com/content/abstract/scopus_id/85088817048 en #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO//AGL2014-61175-JIN info:eu-repo/grantAgreement/MINECO//AGL2015-73190-JIN S2018/EMT-4338 S2013/MAE-2760 Journal of Ecology https://doi.org/10.1111/1365-2745.13450 Sí open Wiley-Blackwell |