{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T04:01:40Z","timestamp":1790222500224,"version":"4.1.0"},"reference-count":74,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100010269","name":"Bayerisches Staatsministerium f\u00fcr Ern\u00e4hrung, Landwirtschaft und Forsten","doi-asserted-by":"publisher","award":["ST402"],"award-info":[{"award-number":["ST402"]}],"id":[{"id":"10.13039\/501100010269","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["nph.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["New Phytologist"],"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>\n                    <jats:list list-type=\"bullet\">\n                      <jats:list-item>\n                        <jats:p>Severe and recurrent droughts have caused widespread canopy decline and mortality in European forests. Drought\u2010induced mortality occurs when structural damage and physiological dysfunction impair a tree's ability to recover, yet it remains unclear when trees transition from reversible stress to irreversible vitality loss at the whole\u2010tree level.<\/jats:p>\n                      <\/jats:list-item>\n                      <jats:list-item>\n                        <jats:p>\n                          We combined detailed information on fine\u2010branching architecture derived from terrestrial laser scanning with radial growth data from 174 trees to assess how structural and growth decline relate to drought\u2010induced mortality in European beech (\n                          <jats:italic>Fagus sylvatica<\/jats:italic>\n                          ).\n                        <\/jats:p>\n                      <\/jats:list-item>\n                      <jats:list-item>\n                        <jats:p>\n                          We found that European beech trees cross a critical tipping point under drought stress when pronounced declines in fine\u2010branching and radial growth occur together. Mortality probability increased sharply once relative twig length (=\u2009fine\u2010branching) dropped below\n                          <jats:italic>c.<\/jats:italic>\n                          325\u2009m\u2009m\n                          <jats:sup>\u22123<\/jats:sup>\n                          and relative growth fell below\n                          <jats:italic>c.<\/jats:italic>\n                          7%, equaling a \u2265\u200975% mortality probability within 3\u2009yr, whereas neither indicator alone reliably captured this transition.\n                        <\/jats:p>\n                      <\/jats:list-item>\n                      <jats:list-item>\n                        <jats:p>Our results demonstrate that drought\u2010induced vitality loss in an angiosperm follows distinct trajectories but converges on a critical zone of coupled crown and growth decline that marks an \u2018area of no return.\u2019 Linking crown deterioration with growth performance provides a mechanistic early\u2010warning signal of irreversible vitality loss under intensifying climate extremes.<\/jats:p>\n                      <\/jats:list-item>\n                    <\/jats:list>\n                  <\/jats:p>","DOI":"10.1111\/nph.71606","type":"journal-article","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T03:28:53Z","timestamp":1790220533000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Coupled decline in growth and fine\u2010branching signals the onset of drought\u2010induced European beech mortality"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2424-7705","authenticated-orcid":false,"given":"Gerhard","family":"Schmied","sequence":"first","affiliation":[{"name":"Tree Growth and Wood Physiology, TUM School of Life Sciences Technical University of Munich  85354 Freising 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