It has been showed that gaseous pollution from traffic affects foliar superficial structures such as number of stoma, surface stoma size and so on.

• 结果表明,交通环境引起城市行道树叶片表皮结构如气孔数、气孔口等发生变化,但不同的树种的叶片表皮结构对交通环境的响应不同。