Responses of Stomatal Traits of Desert Plant Nitraria tangutorum Leaves to Artificially Simulated Precipitation

REN Yu; WU Bo; LU Qi; HE Ji; LIU Ming-hu; YAO Bin

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Responses of Stomatal Traits of Desert Plant Nitraria tangutorum Leaves to Artificially Simulated Precipitation

1.
Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China
2.
The Experimental Center for Desert Forestry, Chinese Academy of Forestry, Dengkou 015200, Inner Mongolia, China

Received Date: 2013-11-26

Abstract

In order to study the responds of stomatal traits of desert plant to climate change and the effects on plant carbon sequestration capacity, the typical plants Nitraria tangutorum was chosen as research materials. According to annual average precipitation of Dengkou and the plant growth regulation, two precipitation enhancement period(early growing season and late growing season) were designed, each precipitation enhancement period with two rain enhancement gradient(50% and 100%), the artificial simulation of precipitation experiment to natural N. tangutorum shrubs was conducted. The stomata size, density and conductance of N. tangutorum leaves in different rainfall simulation treatment were studied with a Motic digital imaging microscope. The results showed that the precipitation treatments increased the stomata size(length and width) and stomata conductance of leaves compared with the control, on the contrary, the stomata density decrease in precipitation treatments, and the density of lower epidermis of leaves was greater than upper epidermis. For the same rainfall season, the effect on the stomata size, density and conductance in 100% treatment were higher than that of 50% treatment, however, no significant differences were found between the two gradient; the response of stomata size and stomata conductance of rainfall treatment in early growing season were more sensitive, while the response of stomata density was not obvious to rainfall treatment in different growing season; there was a certain coordination among stomatal traits. Under the conditions of the future increase of rainfall, the carbon sequestration capacity of desert plants can be improved by changing stomatal traits(expended stomatal channel).
- Nitraria tangutorum,
- stomata density,
- stomata conductance, climate change,
- artificial simulation of rainfall,

References

[1]	Parry M L, Canziani O F, Palutikof J P. IPCC.Climate Change 2007:Impacts, Adaptation, and Vulnerability. Contribution of Working Group II to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press, Cambridge, United Kingdom, 2007.
[2]	施雅风,沈永平,胡汝骥.西北气候由暖干向暖湿转型的信号、影响和前景初步探讨[J].冰川冻土,2002,24(3):219-226.
[3]	施雅风,沈永平,李栋梁,等.中国西北气候由暖干向暖湿转型的特征和趋势探讨[J].第四纪研究,2003,23(2):152-164.
[4]	Gao X J, Zhao Z C, Ding Y H, et al. Climate change due to greenhouse effects in China as simulated by regional climate model[J]. Advance in Atmosphere Science,2001,18:1224-1230.
[5]	王英,曹明奎,李克让.全球气候变化背景下中国降水量空间格局的变化特征[J].地理研究,2006,25(6):1031-1040.
[6]	杨建平,丁永建,陈仁升,等.近40a中国北方降水量与蒸发量变化[J].干旱区资源与环境,2003,17(2):6-11.
[7]	王勋陵,王静.植物的形态结构与环境[M].兰州:兰州大学出版社,1989:105-138.
[8]	李芳兰,包维楷.植物叶片形态解剖结构对环境变化的响应与适应[J].植物学通报,2005,22(Z):118-127.
[9]	蔡志全,齐欣,曹坤芳.七种热带雨林树苗叶片气孔特征及其可塑性对不同光照强度的响应[J].应用生态学报,2004,15(2):201-204.
[10]	李玉强,赵哈林,陈银萍.陆地生态系统碳源与碳汇及影响机制研究进展[J].生态学杂志,2005,24(1):37-42.
[11]	DeLucia E H, Hamilton J G, Naidu S L, et al. Net primary production of a forest ecosystem with experimental CO₂ enrichment[J]. Science, 1999,284:1177-1179.
[12]	朱燕华,康宏樟,刘春江.植物叶片气孔性状变异的影响因素及研究方法[J].应用生态学报,2011,22(1):250-256.
[13]	杨世杰.植物生物学[M].北京:科学出版社,2000.
[14]	Woodward F I.Stomatal numbers are sensitive to increases in CO₂ from pre industrial level[J].Nature,1987,327:617-618.
[15]	Fang J,Chen A,Peng C,et al. Changes in forest biomass carbon storage in China between 1949 and 1998[J]. Science, 2001,292:2320-2322.
[16]	朱雅娟,贾子毅,吴波,等.模拟增雨对荒漠灌木白刺枝叶生长的促进作用[J].林业科学研究,2012,25(5):626-631.
[17]	郑淑霞,上官周平.近一世纪黄土高原区植物气孔密度变化规律[J].生态学报,2004,24(11):2457-2464.
[18]	刘苏峡,邢博,袁国富,等.中国根层与表层土壤水分关系分析[J].植物生态学报,2013,37(1):1-17.
[19]	Xu Z Z, Zhou G S. Responses of leaf stomatal density to water status and its relationship with photosynthesis in a grass[J]. Journal of Experimental Botany, 2008,59:3317-3325.
[20]	杨惠敏,王根轩.干旱和CO₂浓度升高对干旱区春小麦气孔密度及分布的影响[J].植物生态学报,2001,25(3):312-316.
[21]	张大鹏,水稻叶片气孔的研究[J].福建农学院学报,1989,18(3):302-307.
[22]	马清温,李凤兰,李承森.气孔参数与大气CO₂浓度的相关性及其影响因素[J].西北植物学报,2004,24(11):2020-2024.
[23]	许振柱,周广胜.陆生植物对全球变化的适应性研究进展[J].自然科学进展,2003,13(2):113-120.
[24]	蒋高明,韩兴国.大气CO₂浓度升高对植物的直接影响-国外十余年来模拟实验研究之主要手段及基本结论[J].植物生态学报,1997,21(6):489-502.

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Responses of Stomatal Traits of Desert Plant Nitraria tangutorum Leaves to Artificially Simulated Precipitation

1. Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China

2. The Experimental Center for Desert Forestry, Chinese Academy of Forestry, Dengkou 015200, Inner Mongolia, China

Received Date: 2013-11-26

Abstract: In order to study the responds of stomatal traits of desert plant to climate change and the effects on plant carbon sequestration capacity, the typical plants Nitraria tangutorum was chosen as research materials. According to annual average precipitation of Dengkou and the plant growth regulation, two precipitation enhancement period(early growing season and late growing season) were designed, each precipitation enhancement period with two rain enhancement gradient(50% and 100%), the artificial simulation of precipitation experiment to natural N. tangutorum shrubs was conducted. The stomata size, density and conductance of N. tangutorum leaves in different rainfall simulation treatment were studied with a Motic digital imaging microscope. The results showed that the precipitation treatments increased the stomata size(length and width) and stomata conductance of leaves compared with the control, on the contrary, the stomata density decrease in precipitation treatments, and the density of lower epidermis of leaves was greater than upper epidermis. For the same rainfall season, the effect on the stomata size, density and conductance in 100% treatment were higher than that of 50% treatment, however, no significant differences were found between the two gradient; the response of stomata size and stomata conductance of rainfall treatment in early growing season were more sensitive, while the response of stomata density was not obvious to rainfall treatment in different growing season; there was a certain coordination among stomatal traits. Under the conditions of the future increase of rainfall, the carbon sequestration capacity of desert plants can be improved by changing stomatal traits(expended stomatal channel).

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Reference (24)

[1]	Parry M L, Canziani O F, Palutikof J P. IPCC.Climate Change 2007:Impacts, Adaptation, and Vulnerability. Contribution of Working Group II to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press, Cambridge, United Kingdom, 2007.
[2]	施雅风,沈永平,胡汝骥.西北气候由暖干向暖湿转型的信号、影响和前景初步探讨[J].冰川冻土,2002,24(3):219-226.
[3]	施雅风,沈永平,李栋梁,等.中国西北气候由暖干向暖湿转型的特征和趋势探讨[J].第四纪研究,2003,23(2):152-164.
[4]	Gao X J, Zhao Z C, Ding Y H, et al. Climate change due to greenhouse effects in China as simulated by regional climate model[J]. Advance in Atmosphere Science,2001,18:1224-1230.
[5]	王英,曹明奎,李克让.全球气候变化背景下中国降水量空间格局的变化特征[J].地理研究,2006,25(6):1031-1040.
[6]	杨建平,丁永建,陈仁升,等.近40a中国北方降水量与蒸发量变化[J].干旱区资源与环境,2003,17(2):6-11.
[7]	王勋陵,王静.植物的形态结构与环境[M].兰州:兰州大学出版社,1989:105-138.
[8]	李芳兰,包维楷.植物叶片形态解剖结构对环境变化的响应与适应[J].植物学通报,2005,22(Z):118-127.
[9]	蔡志全,齐欣,曹坤芳.七种热带雨林树苗叶片气孔特征及其可塑性对不同光照强度的响应[J].应用生态学报,2004,15(2):201-204.
[10]	李玉强,赵哈林,陈银萍.陆地生态系统碳源与碳汇及影响机制研究进展[J].生态学杂志,2005,24(1):37-42.
[11]	DeLucia E H, Hamilton J G, Naidu S L, et al. Net primary production of a forest ecosystem with experimental CO₂ enrichment[J]. Science, 1999,284:1177-1179.
[12]	朱燕华,康宏樟,刘春江.植物叶片气孔性状变异的影响因素及研究方法[J].应用生态学报,2011,22(1):250-256.
[13]	杨世杰.植物生物学[M].北京:科学出版社,2000.
[14]	Woodward F I.Stomatal numbers are sensitive to increases in CO₂ from pre industrial level[J].Nature,1987,327:617-618.
[15]	Fang J,Chen A,Peng C,et al. Changes in forest biomass carbon storage in China between 1949 and 1998[J]. Science, 2001,292:2320-2322.
[16]	朱雅娟,贾子毅,吴波,等.模拟增雨对荒漠灌木白刺枝叶生长的促进作用[J].林业科学研究,2012,25(5):626-631.
[17]	郑淑霞,上官周平.近一世纪黄土高原区植物气孔密度变化规律[J].生态学报,2004,24(11):2457-2464.
[18]	刘苏峡,邢博,袁国富,等.中国根层与表层土壤水分关系分析[J].植物生态学报,2013,37(1):1-17.
[19]	Xu Z Z, Zhou G S. Responses of leaf stomatal density to water status and its relationship with photosynthesis in a grass[J]. Journal of Experimental Botany, 2008,59:3317-3325.
[20]	杨惠敏,王根轩.干旱和CO₂浓度升高对干旱区春小麦气孔密度及分布的影响[J].植物生态学报,2001,25(3):312-316.
[21]	张大鹏,水稻叶片气孔的研究[J].福建农学院学报,1989,18(3):302-307.
[22]	马清温,李凤兰,李承森.气孔参数与大气CO₂浓度的相关性及其影响因素[J].西北植物学报,2004,24(11):2020-2024.
[23]	许振柱,周广胜.陆生植物对全球变化的适应性研究进展[J].自然科学进展,2003,13(2):113-120.
[24]	蒋高明,韩兴国.大气CO₂浓度升高对植物的直接影响-国外十余年来模拟实验研究之主要手段及基本结论[J].植物生态学报,1997,21(6):489-502.

Responses of Stomatal Traits of Desert Plant Nitraria tangutorum Leaves to Artificially Simulated Precipitation

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通讯作者: 陈斌, bchen63@163.com

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Responses of Stomatal Traits of Desert Plant Nitraria tangutorum Leaves to Artificially Simulated Precipitation

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