[1]李春艳,李传荣,许景伟,等.沙质海岸植物蒸腾速率与环境因子的关系[J].水土保持研究,2007,14(06):70-73.
　LI Chun-yan,LI Chuan-rong,XU Jing-wei,et al.The Relationship Among Transpiration Rate and Environmental Factors in Sandy Coast[J].Research of Soil and Water Conservation,2007,14(06):70-73.
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沙质海岸植物蒸腾速率与环境因子的关系

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 14 期数: 2007年06期 页码: 70-73 栏目: 出版日期: 1900-01-01
Title:
The Relationship Among Transpiration Rate and Environmental Factors in Sandy Coast
作者:
李春艳1, 李传荣1, 许景伟2, 宋海燕1, 范迎新1, 郑莉1, 王卫东2
1. 山东农业大学 林学院, 山东 泰安 271018;
2. 山东省林业科学研究院, 济南 250014
Author(s):
LI Chun-yan1, LI Chuan-rong1, XU Jing-wei2, SONG Hai-yan1, ZHENG Li1, WANG Wei-dong1
1. Forestry College of Shandong Agriculture University, Tai’an, Shandong 271018, China;
2. The Research Institute of Forestry in Shandong, Ji’nan 250014, China
关键词:
沙质海岸; 蒸腾速率; 环境因子
Keywords:
sandy coast; transpiration rate; environmental factors
分类号:
S714
摘要:
蒸腾速率是衡量植物水分平衡的一个重要指数，揭示蒸腾速率的日变化规律，寻找影响植物蒸腾速率的生态因子，可为海岸防护林的造林营林技术提供重要依据。对日照沿海防护林几种主要木本植物和草本植物的蒸腾速率和环境因子的关系进行了研究，结果表明：8种植物日平均蒸腾速率和蒸腾速率日变幅各异；麻栎、紫穗槐和白茅的蒸腾速率日变换呈现出双峰式、其它5种植物表现为单峰式的变化规律；气孔导度影响着植物的蒸腾速率，温度（气温、地面温度）是影响植物蒸腾速率的主要因子；空气相对湿度和蒸腾速率表现为显著或极显著负相关，相关系数高达0.866。通过多元线性逐步回归方法，得到了影响沙质海岸蒸腾速率的主要环境因子及其与土壤呼吸速率之间的多元回归模型。
Abstract:
The relationship among transpiration rate and environmental factors for coastal protection forest was studied in Rizhao.The main results indicated that:significant differences exist in diurnal average transpiration rate and the range of diurnal transpiration rate; The transpiration rate of Sawtooth Oak, Amorpha, Lalang Grass varied with a regular double apex rhythm, but that of the rest varied with a regular single apex rhythm, stomatal conductance play a maximal important role in transpiration rate, temperature (air temperature, the earth’s surface temperature) also influence the transpiration rate; Transpiration rate has prominent negative correlation with the relative air humidity, the biggest coefficient is 0.866.Through the methods of multiple linear stepwise regressions, the main environment factors were found and multiple linear regression models among the transpiration rate and environment factors were set up.

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备注/Memo

收稿日期:2006-11-16。
基金项目:国家“十五”科技攻关课题（2002BA516A16-13）；山东省可持续发展十大科技示范工程项目资助
作者简介:李春艳（1979- ），女，在读研究生，主要从事林业生态工程研究。
通讯作者:李传荣（1968- ），男，博士，主要从事林业生态工程研究。

更新日期/Last Update: 1900-01-01