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Communication Dans Un Congrès Année : 2022

Using crowdsourced data to assess the cultural ecosystem services provided by grasslands

Résumé

Livestock farming systems (LFS) provide multiple services to people including cultural ecosystem services (CES). It is assumed that LFS improves the recreational attractiveness of landscape by maintaining grasslands that offer wide open views, and diverse environments. Recently, crowdsourced data derived from social media and mobile applications emerged as an important component in CES studies, by offering large datasets for broad spatial and temporal assessments. In this study, we examine the level of recreational use of each type of land cover across the mountainous region of Auvergne (France). In this area below 2,000 m of altitude (i.e. below alpine conditions), grasslands mostly result from sheep and cattle livestock farming. We used ~11,500 geo-located trails from three social media platforms (Flickr, NaturaList, and Wikiloc), to assess the characteristics of the areas visited by users. We analysed quantitatively the pattern of CES potential supply (% of each land cover in Auvergne adjusted by criteria of accessibility) and use (% of land cover in areas visited by users along daily trails). By comparing the potential supply and the use, we assessed the level of CES demand for each type of land cover. We also studied the diversity of habitats used by comparing the Shannon diversity index of land covers within trails, with the index calculated on squares of similar areas randomly distributed across Auvergne. Our results show that depending on platforms: (1) the percentage of grasslands within visitors’ trails is 3 to 15% higher than the potential supply, whereas the use for the agricultural land is 3 to 16% lower (2) The Shannon index in trails is 2 to 104 times higher than in the random squares of similar areas. Our result suggests that the demand for grasslands is important across users of the three platforms we studied, and that these users appreciate diverse landscapes during their outdoor activities. Our results thus stress the importance of extensive livestock farming in shaping a diverse landscape that would be otherwise made of forests and agricultural lands.
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Dates et versions

hal-04011563 , version 1 (02-03-2023)

Identifiants

  • HAL Id : hal-04011563 , version 1

Citer

Abdesslam Chai-Allah, Sandro Bimonte, Gilles Brunschwig, Frédéric Joly. Using crowdsourced data to assess the cultural ecosystem services provided by grasslands. 73. Annual Meeting of the European Federation of Animal Science, EAAP, Sep 2022, Porto, Portugal. ⟨hal-04011563⟩
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