干旱区生态环境知识资源中心(Arid): 策勒绿洲天然环境中几种乔木叶面滞尘特征

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	策勒绿洲天然环境中几种乔木叶面滞尘特征
其他题名	Grain Size Characteristics of the Foliar Dust on Several Typical Arbors Under Natural Environment in Cele Oasis of Southern Xinjiang
	林永崇; 穆桂金; 徐立帅; 任晓; 赵雪
来源期刊	水土保持学报
ISSN	1009-2242
出版年	2015
卷号	29 期号:6 页码:241-245
中文摘要	基于对策勒地区12种乔木天然环境中叶面滞尘和大气降尘的测试分析,揭示了不同乔木叶面对自然沙尘的滞留特征。结果表明:不同的乔木叶面滞尘能力有所差异,其中新疆杨、苹果、红枣和核桃的叶面滞尘能力相对较强(7~18g/m~2),而银白杨、胡杨、梨树、沙枣、杏树、榆树、灰杨和桑树的叶面滞尘能力相对较弱(2~7g/m~2)。不同乔木叶面滞尘均为单峰态粒度分布,众数、均值、不同粒级组分含量等差异较大,且区别于研究区大气降尘双峰态粒度分布特征,表明植物叶面对大气降尘具有选择性滞留的特点。叶面滞尘能力较强的,其倾向于滞留较粗的颗粒(砂含量较高),而叶面滞尘能力较弱的,则倾向于滞留较细的颗粒(粉砂和粘粒含量相对较高),表明植物叶面滞尘能力与叶面滞尘颗粒粗细呈一定的相关关系。综合分析发现,植物各种生理特征共同作用,是叶面滞尘能力及滞尘粒度特征主要的影响因素。
英文摘要	In order to understand the foliar dust-retention ability and the grain size characteristics of foliar dust under natural environment in Cele oasis of southern Xingjiang,we sampled the foliar dusts from 12 typical arbors in Cele oasis and collected atmospheric dust in cylinder.The results showed that the foliar dust-retention ability differed among different arbor types.Populus alba var.pyramidalis Bunge,Malus pumila,Ziziphus jujube Mill and Juglans regia showed stronger foliar dust-retention abilities (7-18 g/m~2),while Populus alba,Populous euphratica,Pyrus sinkiangensis,Elaeagnus angustifolia L.,Armeniaca vulgaris Lam,Ulmus pumila,Populus pruinosa Schrenk and Morus alba L.showed poorer abilities(2-7 g/m~2).Moreover,the foliar dusts on various arbors showed unimodal grain size distribution,with significant different form each other in modes,mean values and the contents of different size fractions,which were different with the bimodal grain size distribution of atmospheric dust.These results indicated that the leaves of various arbors had selective dust-retention ability.In addition,foliar dust-retention ability and grain size of different arbors were correlated with each other to some extent.The stronger foliar dust-retention ability the arbors had,the larger particles they retained(higher proportion of sand grains).Through comprehensive analysis,we found that plant physiological characteristics were the key influencing factors to the foliar dust-retention ability of arbors and grain size characteristics of the foliar dust.
中文关键词	叶面尘 ; 粒度特征 ; 乔木 ; 塔里木盆地
英文关键词	foliar dust grain size characteristic arbor Tarim Basin
语种	中文
国家	中国
收录类别	CSCD
WOS类目	ENVIRONMENTAL SCIENCES
WOS研究方向	Environmental Sciences & Ecology
CSCD记录号	CSCD:5601221
来源机构	中国科学院新疆生态与地理研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/233361
作者单位	中国科学院新疆生态与地理研究所, 新疆策勒荒漠草地生态系统国家野外科学观测研究站, 乌鲁木齐, 新疆 830011, 中国
推荐引用方式 GB/T 7714	林永崇,穆桂金,徐立帅,等. 策勒绿洲天然环境中几种乔木叶面滞尘特征[J]. 中国科学院新疆生态与地理研究所,2015,29(6):241-245.
APA	林永崇,穆桂金,徐立帅,任晓,&赵雪.(2015).策勒绿洲天然环境中几种乔木叶面滞尘特征.水土保持学报,29(6),241-245.
MLA	林永崇,et al."策勒绿洲天然环境中几种乔木叶面滞尘特征".水土保持学报 29.6(2015):241-245.