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	An ultrasonic humidification fluorescent tracing method for detecting unsaturated atmospheric water absorption by the aerial parts of desert plants
	Wang Xiaohua; Xiao Honglang; Ren Juan; Cheng Yiben; Yang Qiu
刊名	JOURNAL OF ARID LAND
	2016-04-01
卷号	8期号:2页码:272-283
关键词	ultrasonic humidification fluorescent tracer desert plants unsaturated atmospheric water sites of water absorption aqueous pores drought environments
ISSN号	1674-6767
DOI	10.1007/s40333-015-0018-z
通讯作者	Wang Xiaohua(wangxiaohua950@126.com)
英文摘要	Atmospheric water absorption by plants has been explored for more than two centuries, and the aerial parts of plants, particularly the leaves of certain species, have been demonstrated to have an ability to absorb and utilize saturated atmospheric water such as fog, dew and condensed water. So far, however, there have been few studies on the aerial parts of desert plants in their absorption of unsaturated water from the atmosphere. This study presents an ultrasonic humidification fluorescent tracing method of detecting unsaturated atmospheric water absorption by the aerial parts of desert plants. We constructed an organic glass room based on the sizes of field plants. Then, the aboveground parts of the plants were humidified in the sealed glasshouse using an ultrasonic humidifier containing fluorescent reagents. The humidity and wetting time were controlled by turning on or off the humidifier according to the reading of a thermo-hygrometer suspended in the glasshouse. Fluorescence microscopy was employed to observe these plant samples. This method can generate unsaturated atmospheric water vapor and incorporate other fluorescent reagents or water-soluble chemical reagents for gasified humidification. In addition, it can identify plant parts that absorb unsaturated atmospheric water from the air, detect water absorption sites on the surface of leaves or tender stems, and determine the ability of tissues or microstructure of aerial parts to absorb water. This method provides a direct visual evidence for the inspection of leaf or tender stem microstructure in response to unsaturated atmospheric water absorption. Moreover, this method shows that aqueous pores in the cuticles of leaves or tender stems of desert plants are large enough to allow the passage of ionic fluorescent brightener with a molecular weight of up to 917 g/mol. Thus, this paper provides an important approach that explores the mechanism by which desert plants utilize unsaturated atmospheric water.
收录类别	SCI
WOS关键词	ISOTOPE MIXING MODELS ; FOLIAR UPTAKE ; AQUEOUS PORES ; LEAF SURFACES ; IONIC SOLUTES ; CLOUD FOREST ; FOG WATER ; LEAVES ; DIFFUSION ; CUTICLES
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
语种	英语
出版者	SPRINGER HEIDELBERG
WOS记录号	WOS:000373138000011
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2557265
专题	寒区旱区环境与工程研究所
通讯作者	Wang Xiaohua
作者单位	Chinese Acad Sci, Key Lab Ecohydrol Inland River Basin, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Wang Xiaohua,Xiao Honglang,Ren Juan,et al. An ultrasonic humidification fluorescent tracing method for detecting unsaturated atmospheric water absorption by the aerial parts of desert plants[J]. JOURNAL OF ARID LAND,2016,8(2):272-283.
APA	Wang Xiaohua,Xiao Honglang,Ren Juan,Cheng Yiben,&Yang Qiu.(2016).An ultrasonic humidification fluorescent tracing method for detecting unsaturated atmospheric water absorption by the aerial parts of desert plants.JOURNAL OF ARID LAND,8(2),272-283.
MLA	Wang Xiaohua,et al."An ultrasonic humidification fluorescent tracing method for detecting unsaturated atmospheric water absorption by the aerial parts of desert plants".JOURNAL OF ARID LAND 8.2(2016):272-283.

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