Although genetic diversity ultimately determines the ability of organisms to adapt to
environmental changes, conservation assessments like the widely used International Union …

Mineralogical and whole rock geochemical analyses for 60 elements on 31 samples of hard
ferruginous crust (canga) provide insights into the evolution of the lateritic profile developed …

The canga of the Serra dos Carajás, in Eastern Amazon, is home to a unique open plant
community, harboring several endemic and rare species. Although a complete flora survey …

Background Accurate species identification is the first step towards establishing
conservation strategies, especially regarding rare and threatened species, such as those …

Ipomoea is a large pantropical genus globally distributed, which importance goes beyond
the economic value as food resources or ornamental crops. This highly diverse genus has …

Background Taxonomic identification of plants and insects is a hard process that demands
expert taxonomists and time, and it's often difficult to distinguish on morphology only. DNA …

Canga is an environment of great natural and economic value because it harbours a
considerable number of endemic species on a substrate that is rich in iron ore. In the …

The Canga ecosystem, in the Eastern Brazilian Amazon, is a biodiversity and endemism
hotspot as well a potential resource for iron mining, raising conflicts between conservation …

The variety, relative importance and eco-evolutionary stability of reproductive barriers are
critical to understanding the processes of speciation and species persistence. Here we …

Abstract Ipomoea cavalcantei DF Austin (Convolvulaceae) is a Highly Restricted Endemic
species only found in Canga vegetation in conservation areas in the Carajás region …