Ecological Vineyards (IMAGE) University of Barcelona Caption The Conservation Biology Group of the University of Barcelona describes for the first time the beneficial effect of ecological viticulture on bird population in the environment. Credit Conservation Biology Group - University of Barcelona Usage Restrictions The image may only be used with appropriate caption or credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.