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Institut Agronomique et Vétérinaire Hassan II de Rabat (2020)

Sustainable management of mountain areas with high environmental value by using GPS technology and geo-processing

Boukharta, Ouiam Fatiha

Titre : Sustainable management of mountain areas with high environmental value by using GPS technology and geo-processing

Auteur : Boukharta, Ouiam Fatiha

Université de soutenance : Institut Agronomique et Vétérinaire Hassan II de Rabat
co tutelle Instituto Politécnico de Bragança

Grade : Master in Management of Forest Resources and of Engineer in Ecology and Management of Forest Resource 2020

Résumé
The production of small ruminants in North-East Portugal is an extensive activity, mainly based on the exploitation of spontaneous resources, which is strongly conditioned by seasonality. The shepherd directs his herds on daily grazing routes through different types of resources called by San Miguel (2004) "Mosaic of different land uses within the same management unit". Recent advances in Global Positioning System (GPS) technology have led to the development of GPS collars, allowing the monitoring of animal movements at 5-minute intervals. This study is part of the Open2preserve project, which aims to promote and enhance biodiversity. In this project, three GPS collars are used to track and analyse the routes of sheep, led daily by the shepherd, and to determine usage preferences by season. The experimental period of this study lasted 6 months (from 6 December 2019 to 6 June 2020), the results obtained refer to both winter and spring seasons. The data obtained from the GPS collars are integrated into a Geographic Information System (GIS) to evaluate the characteristics of animal behaviour and grazing use. At the same time, a land use map of the Bragança Region was produced to determine the main classes of use, so that the data could be superimposed to obtain monthly preferences of grazing. The results obtained show that the duration of the grazing circuits carried out by the sheep varies significantly over the months. In addition, sheep show preferences in land use choices in the study area, where the Permanent Crops and Grazed Forest classes are the most used compared to the other classes. In addition, roots are strongly conditioned by seasonal variations in environmental conditions, and by the shepherd who guides the sheep daily all along the experiment.

Mots clés  : GPS Collars Grazing itineraries Duration of grazing Preferences of grazing GIS Small ruminants

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