These are men who are landscapes. As the business changes, also changing the landscape. The main activity today is tourism, the landscape is shaped by this activity. In the villages of valley bottoms, the most intensively used lands are hayfields and ski resorts, the slopes facing south near urbanized, ski areas lie on the faces west or north beyond , the space is used extensively logging, trail herds in the pastures; summer use trails. The soil is left in the terraces of south-facing slope and in isolated pastures. Tourism is seasonal. In winter, it is the valley bottoms and slopes equipped with lifts that are used in summer, trails, remote natural sites. In Upper Guil, there are two types of landscapes: one that is shaped by tourism, Shelter and needles, and a protected environment area, Ristolas. The areas most humanized are also less structured and more visually degraded those remote villages are untouched by development and structured.
Three factors explain the evolution of landscapes: the degeneration of the economy agro-forestry-pastoral population exodus, the development of tourism. To realize one can distinguish four stages schematically.
In 1800, dominates the agro-forestry-pastoral. Vegetation sprawls along the altitude and exposure. On southerly, land in the valley and around the hamlets inhabited continuously cultivated (rye, barley or oats, potatoes): above lie the hayfields and pastures. On Ubac, from bottom to top, are staged hayfields, forests, pastures. Intense exchanges are on the road, those passes to the Piedmont and that of Combe.
In 1850, the trade is by road to areas where livestock with dairy products come from the Queyras competition. This is the opposite end of transhumance and summering Italians and the beginning of permanent emigration. With fruit, profits from the processing of milk left in the Queyras. The hamlets are becoming summering habitats and the population is concentrated in the towns.
In 1900, the population has halved. Queyras opens on areas complementary but not competing. The milk is collected by large dairies, Nestlé Gap, and the profits of its transformation is no longer allocated Queyrassins. Provence transhumant flocks. Beginning of tourism. The landscape is changing gradually. Hamlets adrets are slowly abandoned. Ubacs on the forest extends into the valley bottoms to the detriment of hayfields.
In 1980, tourism became the main activity. Queyras's economy depends on cities. Collar workers found an interest, but only in summer tourism. On southerly, cultivated fields have virtually disappeared and the area of hayfields was strongly reduced. The hamlets are no longer inhabited by summer tourists. The forest grows at the expense of high altitude pastures. On Ubac, the forest stretches to the detriment of the hayfields of the valley. The exchanges are by Combe and was also by the collar and Izoard Agnel.
In a century and a half, the traditional habitat has disappeared, or because the houses are falling apart, that is, converted the buildings have changed function: they are no longer firm, but the residences. Queyras moved from intensive farming to extensive farming endangered and an almost complete autarky to complete dependence vis-à-vis the outside. Without farmers, the landscape has changed. The patchwork of fields and hayfields that characterized disappeared in favor of the moors. The contours become blurred; forests being over grazed, the undergrowth being replenished. The larch is struggling to regenerate itself is challenged by spruce and stone pine, ancient cultures are replaced on southerly by dry grasslands and heathlands juniper, the hayfields are gradually colonized by forest; abandoned channel causes a change in flora and development of plants that merely low soil moist pastures are colonized by forest on the slopes that were once devoid of trees.
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