Evolution d'une unité agro-sylvo-pastorale de moyenne montagne sur les communes de Sost et d'Esbareich (Barousse-Hautes Pyrénées) de 1833 à 1933. Modalités-Causes-Conséquences
DOI:
https://doi.org/10.3989/pirineos.1997.v149-150.125Keywords:
Anthropic pressure, grassland, pasture, hedge, dynamics of forest ecosystems, rural depopulation, central Pyrenees, FranceAbstract
The study of mountain forest-formations in the Barousse valley (Central Pyrenees), conducted in 3 main stations, took into account the entire forest territory, and its utilization by rural community. Functioning as an agro-pastoral unit in the 19th century (from 1833 to 1914), this territory was then largely opened. In the 20th century (from 1942 to now), it progressively closed by natural reforestation from hedges, borders of groves... This is in relation with rural depopulation coming from the «déstructuration» of the rural community and the regression of mountain agriculture.
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