浙北平原重金属污染区绿化树种筛选研究

The tree species option for greening in regions polluted by heavy metals in the plain of northern Zhejiang province

在桐乡市按照生活区、农业区、工业区等3个不同功能分区设立样地,对50种主要的乔木、灌木树种,根据其生长指数、生物量和重金属综合富集能力3个指标进行综合评价,最终筛选出适合浙北平原重金属污染区的骨干树种和基调树种,并提出了实际栽种中需优化树种配置等建议。

Sample lands are prepared in the living area, agricultural area and industrial area of Tongxiang city to evaluate 50 major arbor and bush species via comprehensive evaluation methods of growing indices, biomass values and heavy metal enrichment ability, and finally find out the backbone tree species and key tree species suitable for planting in heavy metal contaminated area of Northern Zhejiang Plain and propose suggestions such as optimization of tree species configuration during actual planting etc.