Results 71 to 80 of about 12,688 (202)

Hyphessobrycon uaiso: new characid fish from the rio Grande, upper rio Paraná basin, Minas Gerais State (Ostariophysi: Characidae), with a brief comment about some types of Hyphessobrycon

open access: yesNeotropical Ichthyology
Hyphessobrycon uaiso is described from the upper rio Paraná basin, rio Grande drainage, Minas Gerais State. The new species differs from its congeners by the short anal fin with 12-17 branched rays, and dorsal fin with ii,7-8 rays.
Fernando R. Carvalho, Francisco Langeani
doaj   +1 more source

Evaluation and path analysis the value of milk in stats of Paraná and Rio Grande do Sul /
Avaliação e análise de trilha do valor do leite nos estados do Paraná e Rio Grande do Sul

open access: yesSemina: Ciências Agrárias, 2009
The objective of this study was to evaluate the conduct and path analysis the series of historical value of milk in stats of Parana and Rio Grande do Sul.
Maicon Carard   +5 more
doaj   +1 more source

Commercial Product Based on Metarhizium Anisopliae Affects Survival, Midgut Morphology, and Behavior in the Stingless Bee Scaptotrigona depilis (Hymenoptera: Apidae)

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Brazilian social stingless bees are important pollinators and producers of honey, wax, royal jelly, propolis, and other products. These species are experiencing a population decline, attributed to different factors, such as the excessive use of pesticides.
Andressa Santoro   +9 more
wiley   +1 more source

Deformaciones artificiales de la bóveda del cráneo en el delta del Paraná y cauce inferior del río Uruguay

open access: yesRevista Argentina de Antropología Biológica, 2018
En este trabajo se presentan los resultados obtenidos del análisis de la variabilidad morfológica de la bóveda del cráneo de muestras pertenecientes a poblaciones humanas que habitaron el delta del Paraná y la cuenca inferior del río Uruguay durante el ...
Mariano Carlos Del Papa   +2 more
doaj   +1 more source

Hevea brasiliensis seeds: A novel sustainable feedstock for ethanol production

open access: yesVietnam Journal of Chemistry, EarlyView.
Abstract The rubber tree (Hevea brasiliensis) is cultivated on a large scale mainly for the extraction of latex in Brazil and Southeast Asia, also generating large quantities of seeds. These seeds currently do not have large‐scale applications and may thus be considered as a residue.
Giovano Tochetto   +4 more
wiley   +1 more source

The birth of an earth being: ‘Rights of nature’ in Brazilian Amazonia and elsewhere Naissance d'un être de la terre : « droits de la nature » en Amazonie brésilienne et ailleurs

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
In June 2023, the Laje River, located in the traditional territory of the Wari’ Indigenous people in Rondônia, Brazil, was declared a legal entity, an earth being, with rights, following the co‐ordinated action of an indigenous councillor and non‐indigenous activists.
Aparecida Vilaça
wiley   +1 more source

A poorly known case of watershed transposition between the São Francisco and upper Paraná river basins

open access: yesNeotropical Ichthyology
During construction of the Furnas hydroelectric power dam in the upper rio Paraná basin in the early 1960s, the rio Piumhi drainage outflow was diverted into the headwaters of the São Francisco river basin.
Orlando Moreira Filho   +1 more
doaj   +1 more source

The Economic and Ecological Impact of Soy in Brazil: A Synthetic Control Method Approach

open access: yesJournal of Agricultural Economics, EarlyView.
ABSTRACT In recent decades, soy expansion in Brazil has generated significant environmental, social and economic impacts. However, there is no consensus about benefits and drawbacks, calling for a more careful account of the economic and ecological diversity of the territories where this phenomenon has been unfolding.
Stefano Ghinoi   +3 more
wiley   +1 more source

Fish assemblage structure in tributaries of the Meia Ponte River, Goiás, Brazil

open access: yesNeotropical Ichthyology
This study was conducted in the Meia Ponte River basin, which is located in the Cerrado biome. The objective was to describe the structure of fish assemblages and to evaluate the results with the regard to the position of the tributaries (sampling ...
Afonso P. Fialho   +3 more
doaj   +1 more source

Levantamento florístico das tribos Psychotrieae, Coussareeae e Morindeae (Rubiaceae) na região de Porto Rico, alto rio Paraná - DOI: 10.4025/actascibiolsci.v20i0.4474

open access: yesActa Scientiarum: Biological Sciences, 2008
A elevada diversidade florística das regiões tropicais torna-as importantes na busca de novas fontes fitoterápicas e alimentícias, fazendo dos levantamentos florísticos importantes estudos para a ampliação do conhecimento dessa fitodiversidade.
Débora Cristina de Souza   +1 more
doaj   +1 more source

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