Growth form and lifespan of herbaceous species mediate the role of traits in short-term drought response
Samantha J. Worthy · Justin C. Luong · Brooke E. Wainwright · Jonathan Aguiñaga · Harald Auge · Anca C. Barcu · Amgaa Batbaatar · Karen H. Beard · Edward W. Bork · Katherine E. Brafford · Kerry M. Byrne · James F. Cahill · Michele Carbognani · Cameron N. Carlyle · Karen Castillioni · Manjunatha H. Chandregowda · Scott X. Chang · Jeff Chieppa · Amber C. Churchill · Jennifer E. Cribbs · Thomas Deola · Jeffrey S. Dukes · Anne Ebeling · Nico Eisenhauer · Elise C. Elwood · Regina A. Fairbanks · T’ai G. W. Forte · Flavia A. Funk · Anjum K. Gujral · Siri V. Haugum · Yann Hautier · Hugh A. L. Henry · Forest Isbell · Anke Jentsch · Samuel E. Jordan · Sally E. Koerner · Juergen Kreyling · György Kröel-Dulay · Andrew Kulmatiski · Eric G. Lamb · Michael E. Loik · María G. Longo · Alejandro Loydi · Dylan J. MacArthur-Waltz · Clara Milano · John W. Morgan · Akira S. Mori · Seth M. Munson · Gregory S. Newman · Uffe N. Nielsen · Rory C. O’Connor · Timothy J. Ohlert · Brooke B. Osborne · Rafael Otfinowski · Meelis Pärtel · Pablo L. Peri · Guadalupe Peter · Alessandro Petraglia · Juan M. Piñeiro-Guerra · Laura W. Ploughe · Cristy Portales-Reyes · Sally A. Power · Suzanne M. Prober · Yolanda Pueyo · Christiane Roscher · Bráulio A. Santos · Melinda D. Smith · Lara A. Souza · Andreas Stampfli · Rachel J. Standish · Marie Sünnemann · Michelle J. Tedder · Pål Thorvaldsen · Katja Tielbörger · Alejandro Valdecantos · Liesbeth van den Brink · Vigdis Vandvik · Liv G. Velle · Jennifer L. Williams · Amelia A. Wolf · Laura Yahdjian · Alyssa L. Young · Juan M. Zeberio · Michaela Zeiter · Richard P. Phillips · Jennifer L. Funk
期刊Nature Ecology & Evolution / Nat Ecol Evol
类型Article
发表2026-02-11 (online)
卷期页10(3): 512-522
收录2026-10-04
被浏览…
关键词drought toleranceherbaceous plantsplant functional traitsplant habitlifespanannualsleaf nitrogen contentroot traitstrait-environment relationshipstrait trade-offs
标签—
气候变率的增加预计将加剧短期干旱事件。植物已经进化出多种抗逆策略,这些策略涉及资源保存、菌根合作和植物大小之间的权衡,但这些策略如何促进不同草本植物类群的抗旱性仍不清楚。我们利用国际干旱实验中分布于全球的63个草地和灌丛样地,在经历一年极端干旱后,对421个物种的661个种群中与抗旱性相关的植物性状进行了鉴定。我们评估了性状、样地降水量和干旱程度如何影响不同生长型和生命周期的植物覆盖度变化,以及性状与环境的相互作用如何影响抗旱性。在所有物种中,叶片氮含量(一种获取性状)与抗旱性相关;而在草本植物中,抗旱性还与保守的根系性状和植物大小相关。此外,性状间的相互作用也影响抗旱性;根系性状只有与其他性状协同作用才能预测植物的抗旱表现。环境因素影响了性状对植物抗旱性的影响,尤其对生长在较湿润地区的一年生植物影响显著,这表明一年生植物的抗旱策略可能仅在轻度胁迫下才具有优势。我们的研究强调了不同草本植物类群中预测抗旱性状的变异性,并着重指出物种背景、环境胁迫以及性状选择在研究和管理中的重要性。

@article{worthy2026,
author = {Samantha J. Worthy and Justin C. Luong and Brooke E. Wainwright and Jonathan Aguiñaga and Harald Auge and Anca C. Barcu and Amgaa Batbaatar and Karen H. Beard and Edward W. Bork and Katherine E. Brafford and Kerry M. Byrne and James F. Cahill and Michele Carbognani and Cameron N. Carlyle and Karen Castillioni and Manjunatha H. Chandregowda and Scott X. Chang and Jeff Chieppa and Amber C. Churchill and Jennifer E. Cribbs and Thomas Deola and Jeffrey S. Dukes and Anne Ebeling and Nico Eisenhauer and Elise C. Elwood and Regina A. Fairbanks and T’ai G. W. Forte and Flavia A. Funk and Anjum K. Gujral and Siri V. Haugum and Yann Hautier and Hugh A. L. Henry and Forest Isbell and Anke Jentsch and Samuel E. Jordan and Sally E. Koerner and Juergen Kreyling and György Kröel-Dulay and Andrew Kulmatiski and Eric G. Lamb and Michael E. Loik and María G. Longo and Alejandro Loydi and Dylan J. MacArthur-Waltz and Clara Milano and John W. Morgan and Akira S. Mori and Seth M. Munson and Gregory S. Newman and Uffe N. Nielsen and Rory C. O’Connor and Timothy J. Ohlert and Brooke B. Osborne and Rafael Otfinowski and Meelis Pärtel and Pablo L. Peri and Guadalupe Peter and Alessandro Petraglia and Juan M. Piñeiro-Guerra and Laura W. Ploughe and Cristy Portales-Reyes and Sally A. Power and Suzanne M. Prober and Yolanda Pueyo and Christiane Roscher and Bráulio A. Santos and Melinda D. Smith and Lara A. Souza and Andreas Stampfli and Rachel J. Standish and Marie Sünnemann and Michelle J. Tedder and Pål Thorvaldsen and Katja Tielbörger and Alejandro Valdecantos and Liesbeth van den Brink and Vigdis Vandvik and Liv G. Velle and Jennifer L. Williams and Amelia A. Wolf and Laura Yahdjian and Alyssa L. Young and Juan M. Zeberio and Michaela Zeiter and Richard P. Phillips and Jennifer L. Funk},
title = {Growth form and lifespan of herbaceous species mediate the role of traits in short-term drought response},
journal = {Nature Ecology \& Evolution},
year = {2026},
volume = {10},
number = {3},
pages = {512-522},
doi = {10.1038/s41559-026-02989-4},
publisher = {Springer Science and Business Media LLC},
}· END ·