At the beginning of the 1990s, while observing the large trees of the Amazon ceding ground to the scrub-like vegetation of the Cerrado, in a process driven by human activity, Brazilian scientist Carlos Nobre conceived of the hypothesis that a process of savannization of the world’s greatest tropical forest was underway. Thirty years later, a […]
Tag: puma concolor
Pumas engineer their environment, providing habitat for other species
New research suggests that mountain lions in the western United States play an outsize role in changing their surroundings, leading the authors of the study to suggest that the big cats are “ecosystem engineers.” In a study published online Nov. 30 in the journal Oecologia, biologist Mark Elbroch and his colleagues demonstrate that the assortment […]
A road blocking the way
Roads are our main transport routes and important drivers of socioeconomic development. However, the impacts of roads are one of the main factors responsible for the current biodiversity crisis. Roads impact individual organisms, populations, species, ecosystems and landscapes in various ways. their effects can be direct or indirect, short-term or permanent and apply to partially […]