Conceptual and methodological issues in estimating the success of ecological restoration
AuthorsMarchand, Lilian; Castagneyrol, Bastien; Jiménez, Juan José; Rey Benayas, José María; Comín Sebastián, Francisco Antonio
IdentifiersPermanent link (URI): http://hdl.handle.net/10017/47372
EU´s Seventh Framework Program
Marchand, Lilian et al., 2021. Conceptual and methodological issues in estimating the success of ecological restoration. Ecological indicators, 123, p.107362.
Achieved restoration index
N° FP7-609398 AgreenSkills + contract (EU´s Seventh Framework Program under grant agreement)
N° 22000964 (Bordeaux Metropole, France, under the grant agreement)
TE-CM S2018/EMT-4338 (REMEDINAL)
RYC-2016-20528 (Ramon y Cajal fellowship)
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
© 2021 The Authors. Published by Elsevier Ltd.
Ecological restoration (ER) of terrestrial ecosystems has become widespread in past decades. However, assessing its success is complex mainly due to the diversity of objectives pursued, actions undertaken but also statistical methods for treating data. We demonstrate here that, due to the heterogeneity of collected data, the success of restoration actions can be overestimated in meta-analyses. We advocate analyzing distinctly two types of actions in ER, those aiming at increasing an ecosystem attribute (e.g. species richness of a native plant species, ER+), and those aiming at decreasing it (e.g. invasive species cover, ER-). We also suggest that only one index for assessing the success of a restoration action is not enough. We propose here to complete RR (Remaining Recovery) by a novel index informing on 'what has been restored by comparison to what should have been recovered': the 'Achieved Restoration' index (AR).
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