{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T20:54:20Z","timestamp":1792097660640,"version":"4.4.0"},"reference-count":76,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2021,2,17]],"date-time":"2021-02-17T00:00:00Z","timestamp":1613520000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["32425005"],"award-info":[{"award-number":["32425005"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001711","name":"Swiss National Science Foundation","doi-asserted-by":"publisher","award":["31003A_157126"],"award-info":[{"award-number":["31003A_157126"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001711","name":"Swiss National Science Foundation","doi-asserted-by":"publisher","award":["31003A_159866"],"award-info":[{"award-number":["31003A_159866"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,8,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The role of carbon (C) and nutrient uptake, allocation, storage and especially their interactions in survival and recovery of trees under increased frequencies and intensities of drought events is not well understood. A full factorial experiment with four soil water content regimes ranging from extreme drought to well-watered conditions and two fertilization levels was carried out. We aimed to investigate whether nutrient addition mitigates drought effects on downy oak (Quercus pubescens Willd.) and whether storage pools of non-structural carbohydrates (NSC) are modified to enhance survival after 2.5\u00a0years of drought and recovery after drought relief. Physiological traits, such as photosynthesis, predawn leaf water potential as well as tissue biomass together with pools and dynamics of NSC and nutrients at the whole-tree level were investigated. Our results showed that fertilization played a minor role in saplings\u2019 physiological processes to cope with drought and drought relief, but reduced sapling mortality during extreme drought. Irrespective of nutrient supply, Q. pubescens showed increased soluble sugar concentration in all tissues with increasing drought intensity, mostly because of starch degradation. After 28\u00a0days of drought relief, tissue sugar concentrations decreased, reaching comparable values to those of well-watered plants. Only during the recovery process from extreme drought, root NSC concentration strongly declined, leading to an almost complete NSC depletion after 28\u00a0days of rewetting, simultaneously with new leaves flushing. These findings suggest that extreme drought can lead to root C exhaustion. After drought relief, the repair and regrowth of organs can even exacerbate the root C depletion. We concluded that under future climate conditions with repeated drought events, the insufficient and lagged C replenishment in roots might eventually lead to C starvation and further mortality.<\/jats:p>","DOI":"10.1093\/treephys\/tpab019","type":"journal-article","created":{"date-parts":[[2021,2,9]],"date-time":"2021-02-09T13:56:40Z","timestamp":1612879000000},"page":"1400-1412","source":"Crossref","is-referenced-by-count":35,"title":["Root carbon and nutrient homeostasis determines downy oak sapling survival and recovery from drought"],"prefix":"10.1093","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0794-3058","authenticated-orcid":false,"given":"Sheng-Nan","family":"Ouyang","sequence":"first","affiliation":[{"name":"South China Botanical Garden , Chinese Academy of Sciences,723 XingKe Road, Tianhe District, Guangzhou 510650, China"},{"name":"University of Chinese Academy of Sciences , 19 Yuquan Road, Shijingshan District, Beijing 100049, China"},{"name":"Swiss Federal Institute for Forest , Snow and Landscape Research WSL, Zurcherstrasse 111, Birmensdorf 8903, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arthur","family":"Gessler","sequence":"additional","affiliation":[{"name":"Swiss Federal Institute for Forest , Snow and Landscape Research WSL, Zurcherstrasse 111, Birmensdorf 8903, Switzerland"},{"name":"Institute of Terrestrial Ecosystems , ETH Z\u00fcrich, Ramistrasse 101, Zurich 8902, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3954-3534","authenticated-orcid":false,"given":"Matthias","family":"Saurer","sequence":"additional","affiliation":[{"name":"Swiss Federal Institute for Forest , Snow and Landscape Research WSL, Zurcherstrasse 111, Birmensdorf 8903, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank","family":"Hagedorn","sequence":"additional","affiliation":[{"name":"Swiss Federal Institute for Forest , Snow and Landscape Research WSL, Zurcherstrasse 111, Birmensdorf 8903, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"De-Cai","family":"Gao","sequence":"additional","affiliation":[{"name":"Swiss Federal Institute for Forest , Snow and Landscape Research WSL, Zurcherstrasse 111, Birmensdorf 8903, Switzerland"},{"name":"School of Geographical Sciences , Northeast Normal University, 5268 Renming Road, Nanguan District, Changchun 130024, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao-Yu","family":"Wang","sequence":"additional","affiliation":[{"name":"Jiyang College , Zhejiang A&F University, 72 Puyang Road,Jiyang District, Zhuji 311800, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0158-8892","authenticated-orcid":false,"given":"Marcus","family":"Schaub","sequence":"additional","affiliation":[{"name":"Swiss Federal Institute for Forest , Snow and Landscape Research WSL, Zurcherstrasse 111, Birmensdorf 8903, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mai-He","family":"Li","sequence":"additional","affiliation":[{"name":"Swiss Federal Institute for Forest , Snow and Landscape Research WSL, Zurcherstrasse 111, Birmensdorf 8903, Switzerland"},{"name":"School of Geographical Sciences , Northeast Normal University, 5268 Renming Road, Nanguan District, Changchun 130024, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei-Jun","family":"Shen","sequence":"additional","affiliation":[{"name":"South China Botanical Garden , Chinese Academy of Sciences,723 XingKe Road, Tianhe District, Guangzhou 510650, China"},{"name":"College of Forestry , Guangxi University, 100 East University Road, Nanning 530004, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9576-254X","authenticated-orcid":false,"given":"Leonie","family":"Sch\u00f6nbeck","sequence":"additional","affiliation":[{"name":"Swiss Federal Institute for Forest , Snow and Landscape Research WSL, Zurcherstrasse 111, Birmensdorf 8903, Switzerland"},{"name":"Plant Ecology Research Laboratory , School of Architecture, Civil and Environmental Engineering, EPFL, Route Cantonale, Lausanne 1015, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2021,2,17]]},"reference":[{"key":"2023112917511455200_ref1","first-page":"418","article-title":"Effects of prolonged drought stress on Scots pine seedling carbon allocation","volume":"37","author":"Aaltonen","year":"2017","journal-title":"Tree 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