Article (Scientific journals)
Modeling potential natural vegetation: A new light on an old concept to guide nature conservation in fragmented and degraded landscapes
Bourdouxhe, Axel; Wibail, Lionel; Claessens, Hugues et al.
2023In Ecological Modelling, 481, p. 110382
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Keywords :
Biotope; Potential natural vegetation; Species distribution model; Vegetation dynamics; Species distribution modeling; Ecological Modeling
Abstract :
[en] Modeling biotope distributions is of paramount importance to monitor species habitats and guide conservation and restoration actions to decrease population extinction rates. However, modeling biotopes as independent landscape units, as is current practice, has some limitations. Vegetation communities that define biotopes evolve through different stages and associations until they reach an equilibrium. To consider these temporal dynamics, we developed a modeling approach based on potential natural vegetation (PNV) corresponding to ecological contexts supporting vegetation succession. The assumption made is that modeling PNV better distinguishes biotope ecological niches, improving prediction accuracy. Results of the final prediction map were excellent, with an overall accuracy of 0.95 and a kappa coefficient of 0.91. The proposed method was also compared with a classic biotope model and our approach showed 29% mean improvement in accuracy. Our results produced a good distinction between the different ecological niches of potential natural vegetation. However, some areas of confusion were identified but these are mainly explained by imprecision and incompleteness of the reference biotope dataset and long-term human management. Using potential natural vegetation is therefore recommended for further studies on biotope mapping.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Bourdouxhe, Axel  ;  Université de Liège - ULiège > Département GxABT > Biodiversité et Paysage
Wibail, Lionel;  SPW/DGARNE/DEMNA, Gembloux, Belgium
Claessens, Hugues ;  Université de Liège - ULiège > TERRA Research Centre > Gestion des ressources forestières
Dufrêne, Marc  ;  Université de Liège - ULiège > Département GxABT > Biodiversité et Paysage
Language :
English
Title :
Modeling potential natural vegetation: A new light on an old concept to guide nature conservation in fragmented and degraded landscapes
Publication date :
July 2023
Journal title :
Ecological Modelling
ISSN :
0304-3800
eISSN :
1872-7026
Publisher :
Elsevier B.V.
Volume :
481
Pages :
110382
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FWB - Fédération Wallonie-Bruxelles [BE]
Funding text :
This work was supported by the Fédération Wallonie-Bruxelles within the Lifewatch-WB project.
Available on ORBi :
since 05 July 2023

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