Faculty of Mathematics and Natural Sciences | Geography Department | Biogeography | News_folder | Letter published in Science on the importance of the Gran Chaco Letter published in Science on the importance of the Gran Chaco Our letter in Science magazine highlights the importance of the large & diverse Gran Chaco, a dry forest ecoregion in urgent need of higher conservation attention. Link to the letter on the Science webpage: http://science.sciencemag.org/content/355/6324/465.1