Dams exacerbate the consequences of climate change on river fish

A potential response of river fish to environmental changes is to colonize new habitats. But what happens when dams and weirs restrict their movement? And are native and alien species similarly affected? Researchers from ...

Image: Catalan coast, Spain, from orbit

This radar image captures part of Catalonia in northeastern Spain including the city of Barcelona (right), the site of one of Europe's principal seaports.

A plant catalogued as extinct in Catalonia is rediscovered

Spirodela polyrrhiza is the name of a small floating plant not seen in the Mediterranean basin for more than 80 years. The plant, catalogued as extinct in Catalonia, has been found in the lower course of the Ebro River and ...

Simple method devised to predict rises in Ebro River level

A team of researchers from the University of Castilla-La Mancha (UCLM) has developed a new mathematical method to easily predict rises in the level of the Ebro River in Zaragoza based on water flow recorded in Castejón ...