Risks, benefits, and knowledge gaps of non-native tree species in Europe
Journal
Frontiers in Ecology and Evolution
Date Issued
2022-10-28
Author(s)
Dimitrova, Anastazija
Csilléry, Katalin
Klisz, Marcin
Lévesque, Mathieu
Heinrichs, Steffi
Cailleret, Maxime
Andivia, Enrique
Madsen, Palle
Böhenius, Henrik
Cvjetkovic, Branislav
De Cuyper, Bart
de Dato, Giovanbattista
Ferus, Peter
Heinze, Berthold
Ivetić, Vladan
Köbölkuti, Zoltan
Lazarević, Jelena
Lazdina, Dagnija
Maaten, Tiit
Makovskis, Kristaps
Milovanović, Jelena
Monteiro, Antonio T.
Nonić, Marina
Place, Simon
Puchalka, Radoslaw
Montagnoli, Antonio
DOI
10.3389/fevo.2022.908464
Abstract
Changing ecosystem conditions and diverse socio-economical events have contributed to an ingrained presence of non-native tree species (NNTs) in the natural and cultural European landscapes. Recent research endeavors have focused on different aspects of NNTs such as legislation, benefits, and risks for forestry, emphasizing that large knowledge gaps remain. As an attempt to fulfill part of these gaps, within the PEN-CAFoRR COST Action (CA19128) network, we established an open-access questionnaire that allows both academic experts and practitioners to provide information regarding NNTs from 20 European countries. Then, we integrated the data originating from the questionnaire, related to the country-based assessment of both peer-reviewed and grey literature, with information from available datasets (EUFORGEN and EU-Forest), which gave the main structure to the study and led to a mixed approach review. Finally, our study provided important insights into the current state of knowledge regarding NNTs. In particular, we highlighted NNTs that have shown to be less commonly addressed in research, raising caution about those characterized by an invasive behavior and used for specific purposes (e.g., wood production, soil recultivation, afforestation, and reforestation). NNTs were especially explored in the context of resilient and adaptive forest management. Moreover, we emphasized the assisted and natural northward migration of NNTs as another underscored pressing issue, which needs to be addressed by joint efforts, especially in the context of the hybridization potential. This study represents an additional effort toward the knowledge enhancement of the NNTs situation in Europe, aiming for a continuously active common source deriving from interprofessional collaboration.
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