globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1721728115
论文题名:
Plant height and hydraulic vulnerability to drought and cold
作者: Olson M.E.; Soriano D.; Rosell J.A.; Anfodillo T.; Donoghue M.J.; Edwards E.J.; León-Gómez C.; Dawson T.; Julio Camarero Martínez J.; Castorena M.; Echeverría A.; Espinosa C.I.; Fajardo A.; Gazol A.; Isnard S.; Lima R.S.; Marcati C.R.; Méndez-Alonzo R.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2018
卷: 115, 期:29
起始页码: 7551
结束页码: 7556
语种: 英语
英文关键词: Adaptation ; Allometry ; Climate change ; Embolism vulnerability ; Forest dieback
Scopus关键词: angiosperm ; Article ; climate change ; cold stress ; controlled study ; drought stress ; experimental study ; nonhuman ; plant height ; plant parameters ; plant stress ; plantation ; prediction ; priority journal ; temperature acclimatization ; water transport ; acclimatization ; cold ; dehydration ; growth, development and aging ; tundra ; Acclimatization ; Cold Temperature ; Dehydration ; Magnoliopsida ; Tundra
英文摘要: Understanding how plants survive drought and cold is increasingly important as plants worldwide experience dieback with drought in moist places and grow taller with warming in cold ones. Crucial in plant climate adaptation are the diameters of water-transporting conduits. Sampling 537 species across climate zones dominated by angiosperms, we find that plant size is unambiguously the main driver of conduit diameter variation. And because taller plants have wider conduits, and wider conduits within species are more vulnerable to conduction-blocking embolisms, taller conspecifics should be more vulnerable than shorter ones, a prediction we confirm with a plantation experiment. As a result, maximum plant size should be short under drought and cold, which cause embolism, or increase if these pressures relax. That conduit diameter and embolism vulnerability are inseparably related to plant size helps explain why factors that interact with conduit diameter, such as drought or warming, are altering plant heights worldwide. © 2018 National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163691
Appears in Collections:气候变化与战略

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作者单位: Olson, M.E., Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México (CDMX), 04510, Mexico; Soriano, D., Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México (CDMX), 04510, Mexico; Rosell, J.A., Laboratorio Nacional de Ciencias de la Sostenibilidad, Instituto de Ecología, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico; Anfodillo, T., Department Territorio e Sistemi Agro-Forestali, University of Padova, Legnaro, PD 35020, Italy; Donoghue, M.J., Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520-8106, United States; Edwards, E.J., Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520-8106, United States; León-Gómez, C., Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México (CDMX), 04510, Mexico; Dawson, T., Department of Integrative Biology, University of California, Berkeley, CA 94720-3140, United States, Department of Environmental Science, Policy and Management, University of California, Berkeley, CA 94720-3140, United States; Julio Camarero Martínez, J., Instituto Pirenaico de Ecología, Consejo Superior de Investigaciones Científicas, Zaragoza, 50059, Spain; Castorena, M., Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México (CDMX), 04510, Mexico, Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, United States; Echeverría, A., Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México (CDMX), 04510, Mexico; Espinosa, C.I., Universidad Técnica Particular de Loja, San Cayetano Alto sn, Loja, Ecuador; Fajardo, A., Centro de Investigación en Ecosistemas de la Patagonia Conicyt-Regional, Universidad Austral de Chile, R10C1003, Coyhaique, 5951601, Chile; Gazol, A., Instituto Pirenaico de Ecología, Consejo Superior de Investigaciones Científicas, Zaragoza, 50059, Spain; Isnard, S., Botany and Modelling of Plant Architecture and Vegetation Joint Research Unit, Institut de Recherche pour le Développement, Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Centre National de la Recherche Scientifique, Institut National de la Recherche Agronomique, Université Montpellier, Nouméa, 98800, New Caledonia; Lima, R.S., Departamento de Sistemática e Ecologia, Universidade Federal da Paraíba, João Pessoa, Paraíba 58051-900, Brazil; Marcati, C.R., Faculdade de Ciências Agronômicas, Universidade Estadual Paulista, Botucatu, São Paulo 18603970, Brazil; Méndez-Alonzo, R., Departamento de Biología de la Conservación, Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California, 22860, Mexico

Recommended Citation:
Olson M.E.,Soriano D.,Rosell J.A.,et al. Plant height and hydraulic vulnerability to drought and cold[J]. Proceedings of the National Academy of Sciences of the United States of America,2018-01-01,115(29)
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