Forest and woodland replacement patterns following drought-related mortality

Batllori Enric; Lloret Francisco; Aakala TuomasAnderegg William R. L.Aynekulu ErmiasBendixsen Devin P.Bentouati AbdallahBigler ChristofBurk C. JohnCamarero J. JulioColangelo MicheleCoop Jonathan D.Fensham RoderickFloyd M. LisaGaliano LuciaGaney Joseph L.Gonzalez PatrickJacobsen Anna L.Kane Jeffrey MichaelKitzberger ThomasLinares Juan C.Marchetti Suzanne B.Matusick GeorgeMichaelian MichaelNavarro-Cerrillo Rafael M.Pratt Robert BrandonRedmond Miranda D.Rigling AndreasRipullone FrancescoSanguesa-Barreda GabrielSasal YamilaSaura-Mas SandraSuarez Maria LauraVeblen Thomas T.Vila-Cabrera AlbertVincke CarolineZeeman Ben

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Forest and woodland replacement patterns following drought-related mortality

机译：Forest and woodland replacement patterns following drought-related mortality

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Forest vulnerability to drought is expected to increase under anthropogenic climate change, and drought-induced mortality and community dynamics following drought have major ecological and societal impacts. Here, we show that tree mortality concomitant with drought has led to short-term (mean 5 y, range 1 to 23 y after mortality) vegetation-type conversion in multiple biomes across the world (131 sites). Self-replacement of the dominant tree species was only prevalent in 21 of the examined cases and forests and woodlands shifted to nonwoody vegetation in 10 of them. The ultimate temporal persistence of such changes remains unknown but, given the key role of biological legacies in long-term ecological succession, this emerging picture of postdrought ecological trajectories highlights the potential for major ecosystem reorganization in the coming decades. Community changes were less pronounced under wetter postmortality conditions. Replacement was also influenced by management intensity, and postdrought shrub dominance was higher when pathogens acted as codrivers of tree mortality. Early change in community composition indicates that forests dominated by mesic species generally shifted toward more xeric communities, with replacing tree and shrub species exhibiting drier bioclimatic optima and distribution ranges. However, shifts toward more mesic communities also occurred and multiple pathways of forest replacement were observed for some species. Drought characteristics, species-specific environmental preferences, plant traits, and ecosystem legacies govern post drought species turnover and subsequent ecological trajectories, with potential far-reaching implications for forest biodiversity and ecosystem services.

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《Proceedings of the National Academy of Sciences of the United States of America.》 |2020年第47期|29720-29729|共10页
作者
Batllori Enric; Lloret Francisco; Aakala TuomasAnderegg William R. L.Aynekulu ErmiasBendixsen Devin P.Bentouati AbdallahBigler ChristofBurk C. JohnCamarero J. JulioColangelo MicheleCoop Jonathan D.Fensham RoderickFloyd M. LisaGaliano LuciaGaney Joseph L.Gonzalez PatrickJacobsen Anna L.Kane Jeffrey MichaelKitzberger ThomasLinares Juan C.Marchetti Suzanne B.Matusick GeorgeMichaelian MichaelNavarro-Cerrillo Rafael M.Pratt Robert BrandonRedmond Miranda D.Rigling AndreasRipullone FrancescoSanguesa-Barreda GabrielSasal YamilaSaura-Mas SandraSuarez Maria LauraVeblen Thomas T.Vila-Cabrera AlbertVincke CarolineZeeman Ben;
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作者单位

Ctr Recerca EcolOg & Aplicac Forestals CREAF;

Dept Forest Sci,Univ Helsinki;

Sch Biol Sci,Univ UtahWorld Agroforestry Ctr ICRAFDept Nat Resource Ecol & Management,Oklahoma State UnivInst Sci Vet & Sci Agron,Univ Hadj LakhdarDept Environm Syst Sci,Swiss Fed Inst TechnolDept Biol Sci,Smith CollConsejo Super Invest Cient,Inst Pirena Ecol IPEQueensland Herbarium DESNat Hist InstRocky Mt Res Stn,USDADept Environm Sci Policy & Management,Univ Calif BerkeleyDept Biol,Calif State Univ BakersfieldDept Forestry & Wildland Resources,Humboldt State UnivDept Ecol,Univ Nacl Comahue UN ComahueDept Sist Fis Quim & Nat,Univ Pablo OlavideGunnison Serv Ctr,USDASch Vet & Life Sci,Murdoch UnivCanadian Forest Serv,Nat Resources CanadaDept Forest Engn,Univ CordobaDept Forest & Rangeland Stewardship,Colorado State UnivSwiss Fed Inst Forest Snow & Landscape Res WSLSch Environm & Sustainabil,Western Colorado UnivSch Agr Forest Food & Environm Sci,Univ BasilicataInst Univ Invest Gest Forestal Sostenible IuFOR,Univ ValladolidLab Ecotono,Consejo Nacl Ciencia & Tecnol CONICET ComahueDept Geog,Univ ColoradoFac Nat Sci,Univ StirlingFac Biosci Engn,Catholic Univ LouvainDept Ecol Environm & Evolut,La Trobe Univ;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词
drought-induced mortality; forest dynamics; forest resilience; global tree mortality; climate change; MAXIMUM-LIKELIHOOD; RESEARCH FRONTIERS; VEGETATION SHIFTS; INDUCED TREE; ECOSYSTEM; DYNAMICS; FIRE; RESILIENCE; MANAGEMENT; REGRESSION;

Forest and woodland replacement patterns following drought-related mortality

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