Nature-based solutions in post-industrial sites: Integrated evaluation of atmospheric pollution abatement and carbon uptake in a German city
Author(s)
Date Issued
2023
Type
article
Issue
50
Journal
Abstract
The evaluation of ecosystem services (ESs) provided by Nature-based Solution (NbS) interventions
is crucial to assess their efficiency and plan their management. This study focuses on atmospheric
pollutants abatement and carbon mitigation potential of tree species (S. alba L., R. pseudoacacia L., C. betulus L., A. campestre L., B. pendula Roth, T. cordata MILL., S. aucuparia L.) located in a restored landfill in Dortmund (DE). Leaves from different species were analysed by Scanning Electron Microscopy coupled with Energy-Dispersive X-Ray Spectroscopy, obtaining density, elemental composition and weight of leaf deposited particulate matter (PM) as a function of size fraction and tree species. Experimental PM2.5 removal is compared with that obtained by the i-Tree Eco model. Modelled removals of O3, SO2 and NO2 are also presented, as well as carbon uptake, from the single tree to the intervention scale. Thus, our study evaluates the provision of ESs for air quality and climate change mitigation by the same NbS intervention, at different scales, and compares experimental and modelling approaches, to highlight limitations and strength points. This represents an important step for the developing of NbS benefits evaluation standards, also providing helpful knowledge for stakeholders and landscape planners in terms of species mitigation efficiency.
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