Tag Archives: Brazil

Iguana Relative Shows How Lizards Spread Worldwide

By Laura Geggel, Staff Writer | September 1, 2015 An 80-million-year-old lizard discovered in southern Brazil has provided a surprising clue about how these reptiles evolved, and where they once lived, according to a new study. Until now, researchers had found acrodontans only in the Old World, including Africa and Asia. (This is a type of lizard is called an iguanian that has teeth fused to the top of its jaws, a group that includes chameleons and bearded dragons.) But the newfound fossil, a …

Study Maps What Mammal World Would Be Like Without Humans 

… large animals would no doubt have existed in other places, e.g. notably parts of the New World such as Texas and neighboring areas and the region around northern Argentina-southern Brazil,” Søren Faurby, the study’s lead author and a postdoctoral fellow at the Department of Bioscience, at Aarhus University in Denmark, said in a statement. To continue reading this article, please click on the link below: Source: Study Maps What Mammal World Would Be Like Without Humans – NBC …

The role of species competition in biodiversity

By Christopher Packham | July 7, 2015   (Phys.org)—Over long spans, biodiversity is a fluid and shifting balance of species and influences. Species diversification occurs in response to a host of complex factors, both biotic and abiotic, and understanding them is a major challenge of evolutionary biology. A group of researchers in Sweden, Switzerland and Brazil have collaborated on a study of North American canids to show that competition from multiple carnivore clades is responsible for …

Study Says Amazon Biodiversity Faces New Adversary: Hydroelectric Dams : SCIENCE : Tech Times

… using high-quality satellite images of plants in the islands. The findings of the study published in PLOS ONE show that there is an indication of massive loss of animals on the islands after 26 years of isolation, even in the midst of extreme protection measures employed by the biggest biological reserve in Brazil. To continue reading this article, please click on this link: Source: Study Says Amazon Biodiversity Faces New Adversary: Hydroelectric Dams : SCIENCE : Tech Times …