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.
Rossola nera in northern Italy as well as the "Rossolo" vine from the Trentino-Alto Adige/Südtirol wine region that is often blended with Schiava (Trollinger). Wine expert Oz Clarke notes that there is long standing questions as to whether the "Rossola nera" vines grown in Corsica are the same vines, or closely related, to the Lombardy Rossola nera. Rossola nera is a late-ripening grapevine that can be very vigorous and high yielding if not kept in check by winter pruning or green harvesting. While the vine has good resistance to spring time frost damage, it is susceptible to the viticultural hazards of botrytis