Results 41 to 50 of about 8,535,720 (219)

A new species of Oxypetalum (Apocynaceae: Asclepiadoideae) from Santa Catarina, Brazil [PDF]

open access: yes, 2017
Sobre la base de un ejemplar de herbario recolectado a 1100 m.s.n.m., en el estado de Santa Catarina, Brasil, se describe e ilustra una nueva especie del género Oxypetalum R. Br. (Apocynaceae).
Funez, Luis A., Keller, Hector Alejandro
core   +2 more sources

Myrtaceae no Parque Estadual do Itacolomi, Minas Gerais, Brasil

open access: yesRodriguésia
Apresentamos neste trabalho o estudo taxonômico das Myrtaceae ocorrentes no Parque Estadual do Itacolomi (PEIT), uma Unidade de Conservação localizada no estado de Minas Gerais, no sul da Cadeia do Espinhaço.
Mariana de Oliveira Bünger   +3 more
doaj   +1 more source

Patterns of geographic distribution of the extra-Amazonian Brazilian species of Schefflera J. R. Forst. & G. Forst. (Araliaceae) [PDF]

open access: yes
Uma análise da distribuição geográfica de Schefflera no Brasil extra-amazônico foi realizada com base em mapas atualizados plotando as ocorrências conhecidas das 26 espécies do gênero encontradas nessa grande área: S.
FIASCHI, Pedro, PIRANI, José Rubens
core   +1 more source

The tree-shrub vegetation in rocky outcrop cerrado areas in Goiás State, Brazil [PDF]

open access: yes, 2012
We describe the floristic composition of the tree-shrub vegetation in 10 areas of rocky outcrop cerrado in Goiás State, Brazil. Ten 20 × 50 m plots (totaling 1 ha) were established and all of the individuals with diameters at 30 cm above soil level (DB30)
Lenza, Eddie   +3 more
core   +2 more sources

Artisanal and small-scale gold mining in the Southern Espinhaço Range, Brazil, using time-domain electromagnetic induction: prospecting, efficiency, and environmental aspects

open access: yesBrazilian Journal of Geology, 2023
Gold mining has profound ties to the history of Brazilian colonization and still takes place with many communities involved in artisanal and small-scale gold mining.
Henrique Borgatti   +2 more
semanticscholar   +1 more source

Summit vascular flora of Serra de São José, Minas Gerais, Brazil [PDF]

open access: yesCheck List, 2009
The campos rupestres form a mosaic of rocky savannas concentrated mainly along the Espinhaço chain, on theBrazilian shield. Though the Serra de São José lies over 100 km to the south of the Espinhaço chain, the camporupestre flora of this small range ...
Kolbek, J., Alves, R. J. V.
doaj   +4 more sources

Multivariate analysis of the water quality variation in the Serra da Estrela (Portugal) Natural Park as a consequence of road deicing with salt. [PDF]

open access: yes, 2010
The concentration of some anions (Cl, F, NO3, and SO4), cations (Na, K, Ca, and Mg), pH and conductivity was determined in seven sampling points in the Serra da Estrela Mountains (Portugal) to verify if the application of road deicing with salt provokes ...
Costa, Bruno H.F.   +4 more
core   +1 more source

An efficient system for in vitro propagation of Bouchea fluminensis (Vell.) Mold. (Verbenaceae)

open access: yesActa Botânica Brasílica, 2014
This study aimed to establish and propagate in vitro plants of Bouchea fluminensis, a medicinal species known in Brazil as gervão-falso ("false verbena"), evaluating the influences of different growth regulators on in vitro multiplication and rooting ...
Cristiano Ferrara de Resende   +6 more
doaj   +1 more source

The salitre cave karst in the quartzite rocks of diamantina, Minas Gerais, Brazil [PDF]

open access: yes, 2012
National audienceThis work presents the main morphological characteristics of the Salitre Cave, located in the municipal district of Diamantina - MG and formed in quartzite rocks of the Espinhaço Supergroup, Sopa-Brumadinho Formation as an example of a ...
Baggio, Hernando   +4 more
core   +1 more source

Phylogeny and historical biogeography of the Pachira sensu lato clade (Bombacoideae, Malvaceae) with a new infrageneric classification

open access: yesTAXON, EarlyView.
Abstract We explore phylogenetic relationships within the Pachira sensu lato clade (Bombacoideae, Malvaceae), test the monophyly of the genera Eriotheca and Pachira, and investigate their biogeographic history. The Pachira s.l. clade comprises ca. 72 species that traditionally have been placed in Eriotheca and Pachira. We sampled ca. 79% of its species
Vania Nobuko Yoshikawa   +7 more
wiley   +1 more source

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