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Articles

Tree tracking: species selection and traceability for sustainable and biodiversity-friendly urban reforestation

ORCID Icon, , , , , , & show all
Pages 920-934 | Received 25 May 2023, Accepted 06 Jul 2023, Published online: 20 Jul 2023
 

Abstract

The current climate change and increasing climate variability represent a serious global challenge that demands urgent responses. Among the multiple actions that should be taken, afforestation and reforestation are the most common strategies. The current paper aims to assess the potential of tree species to be used in urban forestry in the Po Plain ecoregional province (Northern Italy) using DNA barcoding approach for plant traceability and ecophysiological indexes (shade, drought and waterlogging) for plant selection. DNA barcoding markers results showed a 55.5% of success, but the power of discrimination increased to 94.5% when considering only the autochthonous ecoregional species pool. Concerning ecophysiological markers, Fagus sylvatica, Abies alba, Picea abies and Taxus baccata were very shade-tolerant. The best performing trees concerning drought tolerance were oak species (Quercus ilex, Q. pubescens and Q. cerris), pines (Pinus pinea, P. nigra and P. sylvestris) and Fraxinus ornus. Only a few tree species (Salix alba, Alnus glutinosa, Populus nigra and Prunus padus) showed high tolerance to waterlogging. The combination of both approaches makes it possible to select the most suitable species, based on eco-pedological and microclimatic conditions, and to trace their identity along the entire supply chain, from nursery to planting, for urban forestry.

GRAPHICAL ABSTRACT

Authors’ contributions

J.F., W.G.N., M.L., G.C., E.D.V. and C.B. conceived and designed the study. J.F., M.O.L., W.G.N., G.C. and E.D.V. analysed the data. J.F., W.G.N., F.G., G.C. and E.D.V. wrote the manuscript with input and advice from M.L. and C.B. All authors contributed substantially to the writing and revision of the manuscript.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This research was funded by the “National Biodiversity Future Center—NBFC”—National Recovery and Resilience Plan (NRRP), Mission 4 Component 2 Investment 1.4—Call for tender No. 3138 of 16 December 2021, rectified by Decree n.3175 of 18 December 2021 of Italian Ministry of University and Research funded by the European Union—Next Generation EU [Project code CN_00000033].

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