Arid
DOI10.3390/f7110280
Morphological Characteristics and Water-Use Efficiency of Siberian Elm Trees (Ulmus pumila L.) within Arid Regions of Northeast Asia
Park, Go Eun1; Lee, Don Koo2; Kim, Ki Woo3; Batkhuu, Nyam-Osor4; Tsogtbaatar, Jamsran5; Zhu, Jiao-Jun6; Jin, Yonghuan6; Park, Pil Sun2; Hyun, Jung Oh2; Kim, Hyun Seok2,7,8,9
通讯作者Kim, Hyun Seok
来源期刊FORESTS
EISSN1999-4907
出版年2016
卷号7期号:11
英文摘要

The Siberian elm (Ulmus pumila L.) is one of the most commonly found tree species in arid areas of northeast Asia. To understand the morphological and physiological characteristics of Siberian elms in arid regions, we analyzed leaves from seven study sites (five arid or semi-arid and two mesic) in China, Mongolia and the Republic of Korea, which covered a wide range of average annual precipitation (232 mm.year(-1) to 1304 mm.year(-1)) under various aridity indexes (AI) and four different microenvironments: sand dune, steppe, riverside and forest. The traits of Siberian elms varied widely along different annual precipitation (P) and AI gradients. Tree height (H), leaf size (LS) and stomatal area per unit leaf area (AS/AL) decreased with increasing AI, whereas leaf mass per unit leaf area (LMA) and water-use efficiency (WUE) increased significantly. In addition, trees at the five arid sites showed significant differences in LS, LMA and AS/AL but not in H and WUE. Thus, our study indicated that indigenous Siberian elm trees in arid areas have substantially altered their morphological and physiological characteristics to avoid heat stress and increase water conservation in comparison to mesic areas. However, their changes differed depending on the surrounding microenvironment even in arid areas. Trees in sand dunes had a smaller LS, higher LMA, thicker leaf cuticle layer and higher stomatal density and AS than those in steppes and near a riverside.


英文关键词drought tolerance leaf size leaf mass per area microenvironment stomatal density and area water-use efficiency (delta C-13)
类型Article
语种英语
国家South Korea ; Mongolia ; Peoples R China
收录类别SCI-E
WOS记录号WOS:000388672000031
WOS关键词CARBON-ISOTOPE DISCRIMINATION ; HYDRAULIC CONDUCTANCE ; STOMATAL CONDUCTANCE ; LEAF-AREA ; CHEMICAL-COMPOSITION ; HUNSHANDAK SANDLAND ; CONSTRUCTION COSTS ; DROUGHT-RESISTANT ; RAINFALL GRADIENT ; GAS-EXCHANGE
WOS类目Forestry
WOS研究方向Forestry
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/193011
作者单位1.Natl Inst Forest Sci, Ctr Forest & Climate Change, Seoul 02455, South Korea;
2.Seoul Natl Univ, Dept Forest Sci, Seoul 08826, South Korea;
3.Kyungpook Natl Univ, Sch Ecol & Environm Syst, Sangju 37224, South Korea;
4.Natl Univ Mongolia, Dept Forestry, Ulaanbaatar 210646, Mongolia;
5.Mongolian Acad Sci, Inst Geoecol, Ulaanbaatar 211238, Mongolia;
6.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Peoples R China;
7.Seoul Natl Univ, Inst Future Environm & Forest Resources, Res Inst Agr & Life Sci, Seoul 08826, South Korea;
8.Natl Ctr Agro Meteorol, Seoul 08826, South Korea;
9.Seoul Natl Univ, Interdisciplinary Program Agr & Forest Meteorol, Seoul 08826, South Korea
推荐引用方式
GB/T 7714
Park, Go Eun,Lee, Don Koo,Kim, Ki Woo,et al. Morphological Characteristics and Water-Use Efficiency of Siberian Elm Trees (Ulmus pumila L.) within Arid Regions of Northeast Asia[J],2016,7(11).
APA Park, Go Eun.,Lee, Don Koo.,Kim, Ki Woo.,Batkhuu, Nyam-Osor.,Tsogtbaatar, Jamsran.,...&Kim, Hyun Seok.(2016).Morphological Characteristics and Water-Use Efficiency of Siberian Elm Trees (Ulmus pumila L.) within Arid Regions of Northeast Asia.FORESTS,7(11).
MLA Park, Go Eun,et al."Morphological Characteristics and Water-Use Efficiency of Siberian Elm Trees (Ulmus pumila L.) within Arid Regions of Northeast Asia".FORESTS 7.11(2016).
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