When bryophytes, lichens, eukaryotic algae, cyanobacteria, bacteria, and fungi live
interacting intimately with the most superficial particles of the soil, they form a complex …

The level of endemism at a site may indicate species richness of the site. Nevertheless,
assessing endemism levels in taxonomic groups such as plants may be difficult because the …

Diferentes tipos de campos cobrem uma grande parte da superfície da Terra. Sob um olhar
atento, estes campos apresentam características florísticas e biofísicas únicas e específicas …

A new species of tuco-tuco, genus Ctenomys, is described from sandy soils on the western
slopes of the state of Rio Grande do Sul in southern Brazil. This species is distinguished …

Abstract In the Brazilian Pampa, vegetation disturbance and soil degradation led to an
expansion of sediment remobilization areas, a process locally termed as sandization …

Species of Asteraceae occur predominantly in tropical regions, mainly in grassland areas,
such as the sand-fields, which is one of the phytophysiognomies of the Pampas biome and …

Past climate changes often have influenced the present distribution and intraspecific genetic
diversity of organisms. The objective of this study was to investigate the phylogeography and …

Asteraceae is the largest family of angiosperms and occurs predominantly in grassland
areas. This study aimed to identify and characterize the foliar trichomes of 34 Asteraceae …

Arenization occurs in regions that present sandy soils with normal rainfall levels. Predatory
use of environmental sources, the dissolution of arenitic rocks and reworking of non …

A arenização ocorre, predominantemente, em uma região localizada a sudoeste do estado
Rio Grande do Sul/Brasil, em um perímetro que abrange 11 municípios da Campanha …