Changing the scale of characterization of a wine area: from a single protected designation of origin to a vineyard Loire Valley observatory (viLVO)
Terroir is increasingly important today in wine markets. In a large wine production area such as the Loire Valley, the whole territories/terroirs can be distinguished according to different combinations of geological, soil, climatic and landscape features but are also characterized by their differences and likenesses in terms of combinations of terroir units and practices.