Biological soil crusts and how they might colonize other worlds: insights from these Brazilian ecosystem engineers

MF Oliveira, AS Maciel-Silva - Journal of Experimental Botany, 2022 - academic.oup.com
When bryophytes, lichens, eukaryotic algae, cyanobacteria, bacteria, and fungi live
interacting intimately with the most superficial particles of the soil, they form a complex …

Potential reflection of distinct ecological units in plant endemism categories

PMA Ferreira, II Boldrini - Conservation Biology, 2011 - Wiley Online Library
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 …

Biological soil crusts as a major ecosystem component in sandization areas of the Brazilian Pampa

CL Webber, UF Bremer, R Taghizadeh-Mehrjardi… - Geoderma …, 2023 - Elsevier
Abstract In the Brazilian Pampa, vegetation disturbance and soil degradation led to an
expansion of sediment remobilization areas, a process locally termed as sandization …

Biophysical delineation of grassland ecological systems in the State of Rio Grande do Sul, Southern Brazil

H Hasenack, EJ Weber, II Boldrini… - Iheringia, Série …, 2023 - isb.emnuvens.com.br
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 …

An endemic new species of tuco-tuco, genus Ctenomys (Rodentia: Ctenomyidae), with a restricted geographic distribution in southern Brazil

TRO de Freitas, FA Fernandes, R Fornel… - Journal of …, 2012 - academic.oup.com
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 …

Leaf morphology and anatomy of Asteraceae of the Pampas biome (sand-fields)

V Liesenfeld, P Gentz, EM De Freitas, S Martins - Flora, 2019 - Elsevier
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 …

Integrating Paleodistribution Models and Phylogeography in the Grass-Cutting Ant Acromyrmex striatus (Hymenoptera: Formicidae) in Southern Lowlands of South …

MP Cristiano, D Clemes Cardoso… - PLoS …, 2016 - journals.plos.org
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 …

Morphological diversity of foliar trichomes in Asteraceae from Sand-fields of the Pampa biome, Rio Grande do Sul State, Brazil

V Liesenfeld, P Gentz, EM Freitas, S Martins - Hoehnea, 2019 - SciELO Brasil
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 …

Bacterial and archaeal communities change with intensity of vegetation coverage in arenized soils from the Pampa biome

CE Granada, LK Vargas, BB Lisboa, A Giongo… - Frontiers in …, 2019 - frontiersin.org
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 …

Arenização e erosão hídrica no Sudoeste do Rio Grande do Sul: análise dos agentes condicionantes e considerações básicas para intervenções mecânico …

CL Vieira, R Verdum - Revista de geografia. UFPE/DCG-NAPA …, 2015 - lume.ufrgs.br
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 …