文献类型：期刊文献

英文题名：Foliar dust particle retention and metal accumulation of five garden tree species in Hangzhou: Seasonal changes

作者：Dang, Ning[1,2] Zhang, Handan[1] Salam, Mir Md Abdus[3,4] Li, Haimei[2] Chen, Guangcai[1]

第一作者：Dang, Ning

通信作者：Chen, GC[1]

机构：[1]Chinese Acad Forestry, Res Inst Subtrop Forestry, Hangzhou 311400, Peoples R China;[2]Qingdao Agr Univ, Coll Landscape Architecture & Forestry, Qingdao 266109, Peoples R China;[3]Univ Eastern Finland, Sch Forest Sci, Yliopistokatu 7,POB 111, Joensuu 80100, Finland;[4]Nat Resources Inst Finland LUKE, Yliopistokatu 6B, Joensuu 80100, Finland

年份：2022

卷号：306

外文期刊名：ENVIRONMENTAL POLLUTION

收录：;EI(收录号：20222112142206);Scopus(收录号：2-s2.0-85130351810);WOS:【SCI-EXPANDED(收录号:WOS:000873667000001)】；

基金：This research was supported by the Special Fund for Cooperation of Zhejiang Province and the Chinese Academy of Forestry (2021SY12) and the National Natural Science Foundation of China (41807151 and 31971718).

语种：英文

外文关键词：Particulate matter; Heavy metals; Season; Pollution degree

摘要：As particulate matter and heavy metals in the atmosphere affect the atmospheric quality, they pose a threat to human health through the respiratory system. Vegetation can remove airborne particles and purify the atmosphere. Plant leaves are capable of effectively absorbing heavy metals contained by particulates. To evaluate the effects of different garden plants on the particulate matter retention and heavy metal accumulation, the seasonal changes of dust retention of five typical garden plants were compared in the industrial and non-industrial zones in Hangzhou. Results revealed that these species differed in dust retention with the descending order of Loropetalum chinense > Osmanthus fragrans > Pittosporum tobira > Photinia x fraseri > Cinnamomum camphora, which were related to the microstructure feature of the leaf. These species also showed seasonal variation in dust retention, with the highest in summer, followed by winter, autumn, and spring, respectively. The total suspended particle per unit leaf area was higher in the industrial site (80.54 g m(-2)) than in the non-industrial site (19.77 g m(-2)). Leaf particles in different size fractions differed among species, while coarse particles (d > ten um) predominated in most cases. The L. chinense and C. camphora plants accumulated the greatest Pb and Ni compared to other plants. Overall, L. chinense was the best suitable plant species to improve the air quality.