French wine wines. At the 2007 harvest, the most common grape varieties were the following: The concept of Terroir, which refers to the unique combination of natural factors associated with any particular vineyard, is important to French "vignerons". It includes such factors as soil, underlying rock, altitude, slope of hill or terrain, orientation toward the sun, and microclimate (typical rain, winds, humidity, temperature variations, etc.). Even in the same area, no two vineyards have exactly the same terroir, thus being the base of the "Appellation d'origine contrôlée" (AOC) system that has been a model for appellation and wine laws across the globe.
Geographical indications and traditional specialities in the European Union colonised by the fungus "Penicillium roqueforti" that grows in these caves. This system is similar to appellation systems used throughout the world, such as the "appellation d'origine contrôlée" (AOC) used in France, the "denominazione di origine controllata" (DOC) used in Italy, the "denominação de origem controlada" (DOC) used in Portugal, the "denominación de origen" (DO) system used in Spain and the "Denumire de origine controlată" (DOC) system used in Romania. In many cases, the EU PDO/PGI system works parallel with the system used in the specified country, and in some cases is subordinated to the appellation system that was already