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La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Dynamics of reedbed vegetation and impacts of management in Lesser Prespa Lake wetlands. Final report and synthesis 2017 - 2021. Report within the LIFE15 NAT/GR/000936 Bird conservation in Lesser Prespa: benefiting local communities and building a climate change resilient ecosystem
Auteurs :	Patrick Grillas, Auteur ; Fane Sakellarakis, Auteur ; Gaëtan Lefebvre, Auteur ; Loic Willm, Auteur ; Hugo Fontes, Auteur ; Clémence Pechinot, Auteur
Type de document :	Rapport
Editeur :	Arles (FRA) : Tour du Valat, 2021
Format :	105
Langues:	Anglais
Mots-clés :	TdV ; Prespa ; lac ; Phragmites australis ; Typha angustifolia ; dynamique végétation ; Restauration environnement ; Changement climatique ; Adaptation
Résumé :	During the course of the LIFE Prespa Waterbirds project (2017-2021), and regarding the actions regarding the vegetation management and ecology, the main objectives were: I. The identification of the spatial occupancy and dynamics of T. angustifolia and P. australis with emphasis given on the understanding of their ecological niches as well as detecting the main driving factor(s) for vegetation change, and II. Monitoring the effects of the management actions (cutting and/or grazing) applied towards the restoration of wet meadow communities along the shoreline of Lesser Prespa. In this framework the detailed objectives set for our study were further divided in: Assessing the current dynamics in the reedbeds (Phragmites australis / Typha angustifolia) of Lesser Prespa through drone derived orthophotomosaics. Synthesis of annual mapping of areas burnt by wildfires during the LIFE Prespa Waterbirds using remote sensing techniques on Sentinel-2 and UAV derived orthophotomosaics. Identification of the ecological niches of T. angustifolia and P. australis. Effects of submergence after winter cutting on Phragmites australis. Spatial and structure dynamics of P. australis and T. angustifolia at their patches interface. Effects of management (mowing + cutting) on the restoration of wet meadows communities.

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