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@article{Corada:2021:10.1016/j.envpol.2020.116104,
author = {Corada, K and Woodward, H and Alaraj, H and Collins, CM and de, Nazelle A},
doi = {10.1016/j.envpol.2020.116104},
journal = {Environmental Pollution},
pages = {1--13},
title = {A systematic review of the leaf traits considered to contribute to removal of airborne particulate matter pollution in urban areas},
url = {http://dx.doi.org/10.1016/j.envpol.2020.116104},
volume = {269},
year = {2021}
}

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TY  - JOUR
AB - Global urban planning has promoted green infrastructure (GI) such as street trees, shrubs or other greenspace in order to mitigate air pollution. Although considerable attention has been paid to understanding particulate matter (PM) deposition on GI, there has been little focus on identifying which leaf traits might maximise airborne PM removal. This paper examines existing literature to synthesize the state of knowledge on leaf traits most relevant to PM removal. We systematically reviewed measurement studies that evaluated particulate matter accumulated on leaves on street trees, shrubs green roofs, and green walls, for a variety of leaf traits. Our final selection included 62 papers, most from field studies and a handful from wind tunnel studies. The following were variously promoted as useful traits: coniferous needle leaves; small, rough and textured broadleaves; lanceolate and ovate shapes; waxy coatings, and high-density trichomes. Consideration of these leaf traits, many of which are also associated with drought tolerance, may help to maximise PM capture. Although effective leaf traits were identified, there is no strong or consistent evidence to identify which is the most influential leaf trait in capturing PM. The diversity in sampling methods, wide comparison groups and lack of background PM concentration measures in many studies limited our ability to synthesize results. We found that several ancillary factors contribute to variations in the accumulation of PM on leaves, thus cannot recommend that selection of urban planting species be based primarily on leaf traits. Further research into the vegetation structural features and standardization of the method to measure PM on leaves is needed.
AU - Corada,K
AU - Woodward,H
AU - Alaraj,H
AU - Collins,CM
AU - de,Nazelle A
DO - 10.1016/j.envpol.2020.116104
EP - 13
PY - 2021///
SN - 0269-7491
SP - 1
TI - A systematic review of the leaf traits considered to contribute to removal of airborne particulate matter pollution in urban areas
T2 - Environmental Pollution
UR - http://dx.doi.org/10.1016/j.envpol.2020.116104
UR - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000604429000034&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR - https://www.sciencedirect.com/science/article/pii/S0269749120367932?via%3Dihub
VL - 269
ER -