| 新疆南疆地区绿洲外围混交林中胡杨和新疆杨光合特性比较 |
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| 引用本文： | 蔺蕊,吉小敏,梁继业.新疆南疆地区绿洲外围混交林中胡杨和新疆杨光合特性比较[J].干旱区资源与环境,2011(9):128-131. |
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| 作者姓名： | 蔺蕊 吉小敏 梁继业 |
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| 作者单位： | 新疆环境保护科学研究院;新疆林业科学院;塔里木大学; |
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| 基金项目： | “公益性行业科研专项”课题“塔克拉玛干沙漠南缘多层次防护林生态安全研究”、课题号(201104093); 国家科技支撑计划课题“新疆活化沙丘的固定与绿洲防风固沙体系构建技术研究与试验示范”、课题号(2006BAD26B0902)共同资助 |
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| 摘 要： | 利用Licor-6400便携式光合仪对新疆南疆绿洲外围人工营造的混交林中的胡杨和新疆杨的净光合速率（Pn）、蒸腾速率（Tr）、水分利用效率（WUE）、气孔导度（Gs）和胞间CO2浓度（Ci）等光合生理指标进行了测定。结果表明：1）胡杨的净光合速率日变化曲线呈＂单峰型＂曲线,新疆杨的净光合速率日变化曲线呈＂双峰型＂曲线,...
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| 关 键 词： | 胡杨 新疆杨 绿洲外围 混交林 光合特性 水分利用效率 |
Comparison of photosynthetic characteristics between Populus euphratica and P. bolleana in oasis periphery of south Xinjiang |
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| LIN Rui,JI Xiaomin,LIANG Jiye.Comparison of photosynthetic characteristics between Populus euphratica and P. bolleana in oasis periphery of south Xinjiang[J].Journal of Arid Land Resources and Environment,2011(9):128-131. |
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| Authors: | LIN Rui JI Xiaomin LIANG Jiye |
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| Institution: | LIN Rui1,JI Xiaomin2,LIANG Jiye3(1.Xinjiang Academy of Environmental Sciences,Urumqi 830013,P.R.China,2.Forestry Academy of Xinjiang,Urumqi 830063,3.Tarim University,Alaer 843300,P.R.China) |
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| Abstract: | Using Licor-6400 portable photosynthetic apparatus to measured the net photosynthetic rate(Pn),transpiration rate(Tr),water use efficiency(WUE),and stomatal conductance(Gs) and intercellular CO2 concentration(Ci) of mixed forests of Populus euphratica and P.bolleana.Results showed that P.euphratica net photosynthetic rate of daily variation curve shows the single-peak type curve,P.bolleana net photosynthetic rate of daily variation curves show diauxie curve,the net photosynthetic rate of P.bolleana is highe... |
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| Keywords: | P euphratica P bolleana oasis periphery mixed forests photosynthetic characteristics water use efficiency |
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