地表臭氧浓度升高对陆地生态系统影响的研究进展

冯兆忠, 袁相洋, 李品, 尚博, 平琴, 胡廷剑, 刘硕

Progress in the effects of elevated ground-level ozone on terrestrial ecosystems

FENG Zhao-Zhong, YUAN Xiang-Yang, LI Pin, SHANG Bo, PING Qin, HU Ting-Jian, LIU Shuo

表2 地表O3浓度升高对植物及生态系统影响不同研究方法的优缺点

Table 2 Advantages and disadvantages of different study methods about the effects of elevated ground-level O3 on plants or ecosystem

研究方法 Study method 优点 Advantage 缺点 Disadvantage 室内生长箱 Growth chamber 技术简单, 操作容易, 费用低, 可控温湿度、光照 Simple technique, easy to operate, low cost. Temperature, humidity and light intensity can be controlled 空间小, 短期实验为主, 与真实大气环境不符 Small space, suitable for short-term experiments, inconsistent with the real atmospheric environment 开顶气室 Open top chamber 技术简单, 操作容易, 低费用, 高精度, 多因子, 可过滤 O3并进行田间试验 Simple technique, easy to operate, low cost, high precision, suitable for multi-factor and field experimental study, reducing O3 less than ambient air 空间小, 短期幼苗实验, 盆栽为主, 微气候效应 Small space, suitable for short-term and pot experiments such as seedling, significant microclimate effects 自由空气中气体浓度增加系统 Free-Air Concentration Elevation 自然环境, 多因子, 长期实验, 大田研究, 研究尺度囊括叶片、个体、群落或生态系统水平 Natural environment, suitable for multi-factor, field and long-term experimental study, scale covers leaf-, individual-, community- and ecosystem-level 技术要求高, 费用昂贵, 普适性差 Higher technical requirement, high cost, and poor universality