Different ways of calling a creek in Tuscany

Analysing the Regione hydrography databases, we note 59 different types (river, creek, stream etc.). There is an interesting pattern showing in relation to fosso (creek), for which different names are used south of Pisa (botro, in green) and in the Florence/Siena area (borro, in red) . For more details: info@pibinko.org.