A limited number of species is sufficient to assign a vegetation plot to a forest vegetation unit / Lise MACIEJEWSKI L. / 2022    

Titre : A limited number of species is sufficient to assign a vegetation plot to a forest vegetation unit Type de document : texte imprimé Auteurs : Lise MACIEJEWSKI L., Auteur ; Paulina PINTO ELCIRA P., Auteur ; Stéphanie WURPILLOT St., Auteur ; Jacques DRAPIER J., Auteur ; Serge CADET S., Auteur ; Serge MULLER S., Auteur ; Pierre AGOU P., Auteur ; Benoît RENAUX B., Auteur ; Jean-Claude GEGOUT J.-Cl., Auteur Année de publication : 2022 Langues : Français (fre) Catégories : COMMUNICATION FORET FRANCE Résumé : Inventorying the habitats composing Natura 2000 sites is mandatory in the European Union and is necessary to implement relevant conservation measures. Vegetation plots, recording the presence or abundance of all plant species co-occurring within a plot, are currently used to identify terrestrial Natura 2000 habitat types, whose descriptions are mainly based on phytosociological units. However, vegetation plots are time-consuming and frequently restricted to the growing season. Moreover, no vegetation plots can be regarded as exhaustive, and significant inter-observer variation has been highlighted. We studied whether reducing the number of recorded species and the time spent carrying out a vegetation plot had an impact on vegetation unit assignment using species presence. We also studied if vegetation plots recorded on winter could be used for vegetation unit assignment. Citation bibliographique : MACIEJEWSKI, L., PINTO, P.E., WURPILLOT, S., DRAPIER, J., CADET, S., MULLER S., AGOU P., RENAUX B. & GÉGOUT J.-Cl 2022. - A limited number of species is sufficient to assign a vegetation plot to a forest vegetation unit. Applied Vegetation Science, Wiley, 25, pp.e12650. ⟨10.1111/avsc.12650⟩. ⟨hal-03643415⟩ En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/avsc.12650 Format de la ressource électronique : Site internet

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Vegetation unit assignments: phytosociology experts and classification programs show similar performance but low convergence / Lise MACIEJEWSKI L. / 2020

Titre : Vegetation unit assignments: phytosociology experts and classification programs show similar performance but low convergence Type de document : texte imprimé Auteurs : Lise MACIEJEWSKI L., Auteur ; Paulina PINTO ELCIRA P., Auteur ; Stéphanie WURPILLOT St., Auteur ; Jacques DRAPIER J., Auteur ; Serge CADET S., Auteur ; Serge MULLER S., Auteur ; Pierre AGOU P., Auteur ; Benoît RENAUX B., Auteur ; Jean-Claude GEGOUT J.-Cl., Auteur Année de publication : 2020 Importance : 698-709 Langues : Français (fre) Catégories : COMMUNICATION FORET MASSIF CENTRAL Résumé : Assigning vegetation plots to vegetation units is a key step in biodiversity management projects. Nevertheless, the process of plot assignment to types is usually non-standardized, and assignment consistency remains poorly explored. To date, the efficiency of automatic classification programs has been assessed by comparing them with a unique expert judgment. Therefore, we investigated the consistency of five phytosociology expert judgments, and the consistency of these judgements with those of automatic classification programs. Saisie BD Flore : Rien à saisir Citation bibliographique : MACIEJEWSKI, L., PINTO, P.E., WURPILLOT, S., DRAPIER, J., CADET, S., MULLER S., AGOU P., RENAUX B. & GÉGOUT J.Cl. 2020. - Vegetation unit assignments: phytosociology experts and classification programs show similar performance but low convergence. Applied Vegetation Science, Wiley, 23, 698–709.

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