The invasive species

By Félix García Pereira, Rodolfo Pozuelo, Cristina Vegas, Jesús Fidel González-Rouco.
GuMNet, Universidad Complutense, IGEO UCM-CSIC.

On the second week of December 2020 has been mostly holidays for people from Madrid city in Spain (the madrileños). The national celebration of the Spanish Constitution and a local religious event made up for a long bank holiday. Some of us saw the occasion to escape the Covid-atmosphere in town and have a few days off in the Parque Nacional Sierra de Guadarrama, less than one hour drive from the capital of Spain and still within the Community of Madrid, and thus still complying with the official regional confinement. (more…)