| 于雅鑫，胡希军，金晓玲.12种木兰科乔木固碳释氧和降温增湿能力研究[J].广东农业科学,2013,40(6):47-50 |
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12种木兰科乔木固碳释氧和降温增湿能力研究 |
| Carbon fixation and oxygen release, cooling and humidification of 12 Magnoliaceae species |
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| DOI： |
| 中文关键词: 木兰科 叶面积指数 固碳释氧 降温增湿 |
| 英文关键词: Magnoliaceae leaf area index carbon fixation and oxygen release cooling and humidification |
| 基金项目:湖南省“十二五”重点学科（风景园林学）项目（湘教发[2011]76号） |
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| 中文摘要: |
| 选取木兰科的落叶齐木和常绿乔木各6 种，采用Li-6400XT 携带型光合作用测量仪和ACCUPAR LP-80 型植物冠层分析仪测定各植物的光合速率、蒸腾速率和叶面积指数，量化分析各树种单位土地面积上的固碳释氧和降温增湿能力。结果表明，单位土地面积上，常绿树种的日固碳释氧能力排序为乐昌含笑<平伐含笑<紫花含笑<毛桃木莲<观光木<木莲，日降温增湿能力排序为乐昌含笑<平伐含笑<毛桃木莲<紫花含笑<木莲<观光木；落叶树种中的日固碳释氧能力排序为厚朴<黄花玉兰<黄山木兰<紫玉兰<凹叶厚朴<鹅掌楸，日降温增湿能力排序为厚朴<黄山木兰<黄花玉兰<凹叶厚朴约紫玉兰<鹅掌楸。综合分析发现，落叶乔木的固碳释氧和降温增湿能力比常绿乔木好。 |
| 英文摘要: |
| Taking 6 species of deciduous trees and evergreen trees of Magnoliaceae as materials, portable photosynthesis analyzer Li-
6400XT and plant canopy analyzer ACCUPAR LP-80 were used to calculate their photosynthetic rate, transpiration rate and leaf area index. And their carbon fixation and oxygen release, cooling and humidification of unit land area were studied quantitatively. The results showed that in unit land area, the evergreen trees’capacity order of diurnal carbon fixation and oxygen release were Michelia chapensis |
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