Results 81 to 90 of about 50,085 (225)

Effects of Glyphosate on the Planktonic Microbiota: An Experimental Approach

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Glyphosate is one of the most widely used herbicides in the world, including in Brazil, and its dispersion through habitats and surface waters can impact entire aquatic ecosystems. However, experimental studies evaluating the effects of pesticides on whole planktonic communities, considering attributes such as richness, density and composition—
Melissa Progênio   +7 more
wiley   +1 more source

Jequitibá-branco. [PDF]

open access: yes, 2017
bitstream/item/42080/1/CT0073 ...
CARVALHO, P. E. R.
core  

ANATOMIA ECOLÓGICA DA MADEIRA DE Blepharocalyx salicifolius (H. B. K.) Berg [PDF]

open access: yes, 2005
RESUMO O presente trabalho visa à comparação anatômica da madeira da murta Blepharocalyx salicifolius (H. B. K.) Berg (Myrtaceae), em duas regiões do Rio Grande do Sul.
José Newton Cardoso Marchiori   +1 more
core   +4 more sources

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

Embiruçu (Pseudobombax grandiflorum). [PDF]

open access: yes, 2014
bitstream/CNPF-2009-09/44068/1/circ-tec155 ...
CARVALHO, P. E. R.
core   +1 more source

Hiraea cuneata, H. macrophylla, and four new species confused with them: H. hatschbachii, H. occhionii, H. reitzii, and H. restingae (Malpighiaceae) [PDF]

open access: yes, 2014
Specimens of Hiraea (Malpighiaceae) from the Brazilian states of eastern Minas Gerais, Rio de Janeiro, Paraná, and Santa Catarina that had been determined as H. cuneata Griseb. and H. wiedeana A.Juss. were found to include four undescribed species.
Anderson, Christiane
core   +1 more source

On traits matching and the modular organization of food web and occurrence networks

open access: yesJournal of Animal Ecology, EarlyView.
What mechanisms shape ecological networks? In Paraná River piscivores, species traits and abundance scaling promote modular structures. Our findings reveal how communities self‐organize and highlight the conditions needed to sustain them. Abstract Modularity and nestedness have been observed recurrently across different ecological networks, including ...
Dalmiro Borzone Mas   +5 more
wiley   +1 more source

Canela-branca. [PDF]

open access: yes, 2014
bitstream/item/42008/1/CT0063 ...
CARVALHO, P. E. R.
core  

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

Aplicação de goal programming em um problema florestal.

open access: yesCiência Florestal, 2010
Este trabalho tem por objetivo aplicar uma das técnicas de programação multiobjetivo (goal programming) em um problema florestal brasileiro mediante de um estudo de caso realizado na Fazenda Santa Cândida, em General Carneiro, Paraná.
Fabiane de Oliveira   +2 more
doaj   +1 more source

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