Leaf-level plasticity of Salix gordejevii in fixed dunes compared with lowlands in Hunshandake Sandland, North China

To cope with adverse environments, the majority of indigenous plants in arid regions possess adaptive plasticity after long-term evolution. Leaf-level morphology, anatomy, biochemical properties, diurnal water potential and gas exchange of Salix gordejevii distributed in fixed dunes and lowlands in...

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Veröffentlicht in:Journal of plant research 2009-11, Vol.122 (6), p.611-622
Hauptverfasser: Su, H., Chinese Academy of Sciences, Beijing (China). Inst. of Botany, Li, Y, Lan, Z, Xu, H, Liu, W, Wang, B, Biswas, D.K, Jiang, G
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container_title Journal of plant research
container_volume 122
creator Su, H., Chinese Academy of Sciences, Beijing (China). Inst. of Botany
Li, Y
Lan, Z
Xu, H
Liu, W
Wang, B
Biswas, D.K
Jiang, G
description To cope with adverse environments, the majority of indigenous plants in arid regions possess adaptive plasticity after long-term evolution. Leaf-level morphology, anatomy, biochemical properties, diurnal water potential and gas exchange of Salix gordejevii distributed in fixed dunes and lowlands in Hunshandake Sandland, China were compared. Compared to plants growing in lowlands, individuals of S. gordejevii in fixed dunes displayed much smaller leaf area (0.26 vs. 0.70 square cm) and thicker leaves (leaf total thickness 148.59 vs. 123.44 micro m), together with heavier crust wax, denser hairs, and more compacted epidermal cells. Moreover, those growing in fixed dunes displayed stronger drought-resistance properties as evidenced by higher levels of proline (3.68 vs. 0.20 mg/g DW) and soluble sugar (17.24 vs. 14.49%). Furthermore, S. gordejevii in fixed dunes demonstrated lower water potential and lower light compensation point (28.8 vs. 51.9 micro mol/square m/s). Our findings suggest that morphological and/or anatomical plasticity in leaves has had great adaptive value for Salix in responding to deteriorating environments. The evidence provided here may facilitate the prediction of plant adaptation in community succession in sandy habitats.
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Inst. of Botany</au><au>Li, Y</au><au>Lan, Z</au><au>Xu, H</au><au>Liu, W</au><au>Wang, B</au><au>Biswas, D.K</au><au>Jiang, G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Leaf-level plasticity of Salix gordejevii in fixed dunes compared with lowlands in Hunshandake Sandland, North China</atitle><jtitle>Journal of plant research</jtitle><stitle>J Plant Res</stitle><addtitle>J Plant Res</addtitle><date>2009-11-01</date><risdate>2009</risdate><volume>122</volume><issue>6</issue><spage>611</spage><epage>622</epage><pages>611-622</pages><issn>0918-9440</issn><eissn>1618-0860</eissn><abstract>To cope with adverse environments, the majority of indigenous plants in arid regions possess adaptive plasticity after long-term evolution. Leaf-level morphology, anatomy, biochemical properties, diurnal water potential and gas exchange of Salix gordejevii distributed in fixed dunes and lowlands in Hunshandake Sandland, China were compared. Compared to plants growing in lowlands, individuals of S. gordejevii in fixed dunes displayed much smaller leaf area (0.26 vs. 0.70 square cm) and thicker leaves (leaf total thickness 148.59 vs. 123.44 micro m), together with heavier crust wax, denser hairs, and more compacted epidermal cells. Moreover, those growing in fixed dunes displayed stronger drought-resistance properties as evidenced by higher levels of proline (3.68 vs. 0.20 mg/g DW) and soluble sugar (17.24 vs. 14.49%). Furthermore, S. gordejevii in fixed dunes demonstrated lower water potential and lower light compensation point (28.8 vs. 51.9 micro mol/square m/s). Our findings suggest that morphological and/or anatomical plasticity in leaves has had great adaptive value for Salix in responding to deteriorating environments. 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subjects ADAPTACION
ADAPTATION
Adaptations
ARENA
Arid zones
Biomedical and Life Sciences
Botany
CHINA
CHINE
Comparative studies
DROUGHT RESISTANCE
Dunes
Evolution
Evolutionary biology
Gas exchange
Gases - metabolism
Geography
Habitat
Habitats
Hair
http://www.fao.org/aos/agrovoc#c_117
http://www.fao.org/aos/agrovoc#c_13434
http://www.fao.org/aos/agrovoc#c_1556
http://www.fao.org/aos/agrovoc#c_2392
http://www.fao.org/aos/agrovoc#c_6754
http://www.fao.org/aos/agrovoc#c_6779
Indigenous plants
Leaf area
Leaves
Life Sciences
Light effects
MORFOLOGIA VEGETAL
MORPHOLOGIE VEGETALE
Plant Biochemistry
Plant communities
Plant Ecology
Plant Leaves - chemistry
Plant Leaves - metabolism
Plant Leaves - physiology
PLANT MORPHOLOGY
Plant Physiology
Plant Sciences
Plasticity
Proline
Regular Paper
RESISTANCE A LA SECHERESSE
RESISTENCIA A LA SEQUIA
SABLE
SALIX
Salix - metabolism
Salix - physiology
SAND
Sand & gravel
Soil
Succession
Sugar
Water - metabolism
Water potential
title Leaf-level plasticity of Salix gordejevii in fixed dunes compared with lowlands in Hunshandake Sandland, North China
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