During the Neolithic era, the introduction of new techniques, such as the cultivation of cereals and leguminous plants, had a profound effect on the relationship between people and their environment, and even on the way human communities were organized. New interrelationships arose between the cultivators and their fields: the use of granaries to store harvested grains signals the development of a sedentary lifestyle. These new conditions of food storage and reduced threat of famine, linked with a climate favorable to cereal production, may have resulted in short-term increases in population.

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Fields near the lake currently under

Jurassian lakes.