Enns (river) below the Enns"). Finally, it meets the Danube at Mauthausen and the city of Enns. The Enns is a typical wild water river and draws its water from an area of more than , which is the fifth-largest in Austria. The average outflow at its mouth is . The Anisian Age in the Triassic Period of geological time is named from Anisus, the Latin name of the river Enns. In the middle of the 19th century, canals began to be built along the between Weißenbach and the Gesäuse, in order to make use of the water for agriculture and forestry.
Bracciola nera can be very productive and high yielding if not kept in check by winter pruning and green harvesting. In 2000, there 110 hectares (270 acres) of Bracciola nera planted in Italy, nearly all of it in the province of Massa-Carrara in Tuscany and the province of La Spezia in Liguria where it is a permitted blending varietal in the DOC wine of Colli di Luna. Bracciola nera destined for DOC wine production is limited to a harvest yield of no more than 12 tonnes/hectare. The wine is predominantly Sangiovese (60-70%) with Pollera nera, Canaiolo and Ciliegiolo collectively needing to make