Arid
DOI10.1111/j.1469-8137.2012.04068.x
Differential daytime and night-time stomatal behavior in plants from North American deserts
Ogle, Kiona1; Lucas, Richard W.2; Bentley, Lisa Patrick3; Cable, Jessica M.4; Barron-Gafford, Greg A.3; Griffith, Alden5; Ignace, Danielle3; Jenerette, G. Darrel6; Tyler, Anna3; Huxman, Travis E.3; Loik, Michael E.7; Smith, Stanley D.8; Tissue, David T.9,10
通讯作者Ogle, Kiona
来源期刊NEW PHYTOLOGIST
ISSN0028-646X
EISSN1469-8137
出版年2012
卷号194期号:2页码:464-476
英文摘要

Night-time stomatal conductance (g(night)) occurs in many ecosystems, but the g(night) response to environmental drivers is relatively unknown, especially in deserts.


Here, we conducted a Bayesian analysis of stomatal conductance (g) (N = 5013) from 16 species in the Sonoran, Chihuahuan, Mojave and Great Basin Deserts (North America). We partitioned daytime g (g(day)) and g(night) responses by describing g as a mixture of two extreme (dark vs high light) behaviors.


Significant g(night) was observed across 15 species, and the g(night) and g(day) behavior differed according to species, functional type and desert. The transition between extreme behaviors was determined by light environment, with the transition behavior differing between functional types and deserts. Sonoran and Chihuahuan C-4 grasses were more sensitive to vapor pressure difference (D) at night and soil water potential (Psi(soil)) during the day, Great Basin C-3 shrubs were highly sensitive to D and Psi(soil) during the day, and Mojave C-3 shrubs were equally sensitive to D and Psi(soil) during the day and night.


Species were split between the exhibition of isohydric or anisohydric behavior during the day. Three species switched from anisohydric to isohydric behavior at night. Such behavior, combined with differential D, Psi(soil) and light responses, suggests that different mechanisms underlie g(day) and g(night) regulation.


英文关键词anisohydric deserts hierarchical Bayes isohydric mixture model nocturnal stomatal conductance stomatal sensitivity
类型Article
语种英语
国家USA ; Sweden ; Australia
收录类别SCI-E
WOS记录号WOS:000302618300017
WOS关键词VAPOR-PRESSURE DEFICIT ; LEAF CONDUCTANCE ; GAS-EXCHANGE ; WATER-LOSS ; PHYSIOLOGICAL-RESPONSES ; NOCTURNAL TRANSPIRATION ; INTERSPECIFIC VARIATION ; EVAPORATIVE DEMAND ; LARREA-TRIDENTATA ; CARBON-DIOXIDE
WOS类目Plant Sciences
WOS研究方向Plant Sciences
来源机构University of Arizona ; Arizona State University
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/174183
作者单位1.Arizona State Univ, Sch Life Sci, Tempe, AZ 85287 USA;
2.Swedish Univ Agr Sci, Dept Forest Ecol & Management, S-90183 Umea, Sweden;
3.Univ Arizona, Tucson, AZ 85721 USA;
4.Univ Alaska, Int Arctic Res Ctr, Fairbanks, AK 99775 USA;
5.Wellesley Coll, Wellesley Coll Bot Gardens, Wellesley, MA 02481 USA;
6.Univ Calif Riverside, Dept Bot & Plant Sci, Riverside, CA 92521 USA;
7.Univ Calif Santa Cruz, Dept Environm Studies, Santa Cruz, CA 95064 USA;
8.Univ Nevada, Sch Life Sci, Las Vegas, NV 89154 USA;
9.Texas Tech Univ, Dept Biol Sci, Lubbock, TX 79409 USA;
10.Univ Western Sydney, Hawkesbury Inst Environm, Richmond, NSW 2753, Australia
推荐引用方式
GB/T 7714
Ogle, Kiona,Lucas, Richard W.,Bentley, Lisa Patrick,et al. Differential daytime and night-time stomatal behavior in plants from North American deserts[J]. University of Arizona, Arizona State University,2012,194(2):464-476.
APA Ogle, Kiona.,Lucas, Richard W..,Bentley, Lisa Patrick.,Cable, Jessica M..,Barron-Gafford, Greg A..,...&Tissue, David T..(2012).Differential daytime and night-time stomatal behavior in plants from North American deserts.NEW PHYTOLOGIST,194(2),464-476.
MLA Ogle, Kiona,et al."Differential daytime and night-time stomatal behavior in plants from North American deserts".NEW PHYTOLOGIST 194.2(2012):464-476.
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