摘要
以栾树、黄连木、黄栌为试验材料,刺槐作为对照,系统测定各树种的叶片水势、气孔导度、蒸腾速率、光合有效辐射、空气相对湿度、土壤温度、土壤水分含量、土壤呼吸速率等水分生理生态指标。结果表明:叶片水势日变化幅度由大到小依次为栾树>刺槐>黄栌>黄连木;蒸腾速率由大到小为刺槐>黄栌>栾树>黄连木;土壤呼吸速率由大到小为黄连木>栾树>刺槐>黄栌。各树种水分利用效率黄连木最高,其次为栾树和刺槐,黄栌最低。
The experimentation materials were Rekoelreuteria panaiculata Laxm., Pistacia chinensis Bunge., Cotinus coggyria Scop., contrasted with Robinia pseucloacacia Linn. Such moisture physiological ecological index as leaf water potential, stomatal conductance, transpiration rate, photosynthesis active radiation, air relative humidity, soil temperature, soil water content and soil respiration rate were systematical determined. The study resulted that leaf water potential of Rekoelreuteria panaiculata Laxm. was the highest; Transpiration rate of Robinia pseucloacacia was the highest; Soil respiration rate of Pistacia chinensis Bunge. was the highest. Water utilizing efficiency of Pistacia chinensis Bunge. was the highest.
出处
《水土保持学报》
CSCD
北大核心
2002年第4期152-154,158,共4页
Journal of Soil and Water Conservation
基金
山东省人民政府项目:山区生态资源保护及综合开发利用技术的研究(省政府[98]25号文件)
