Results 21 to 30 of about 2,345 (137)

Mulheres na dendeicultura paraense: possibilidade de autonomia

open access: yesEstudos Sociedade e Agricultura, 2020
A relação entre iniciativa econômica e conquista de autonomia pelas mulheres é consensual na literatura. Considerando essa constatação, o objetivo do artigo é analisar a relação entre iniciativa econômica e conquista de autonomia por mulheres titulares ...
Diocélia Nascimento, Dalva Mota
doaj   +1 more source

Defensive repertoire of the stingless bee Melipona flavolineata Friese (Hymenoptera: Apidae)

open access: yesSociobiology, 2014
Despite the fact that Meliponini bee lost their sting apparatus (stingless bees), they did not lose their ability to defend themselves. A variety of defensive strategies is described for the group, such as bitting and resin deposition.
Túlio Marcos Nunes   +3 more
doaj   +1 more source

Quantitative analysis of the beef cattle industry in the state of Pará, Brazil

open access: yesSemina: Ciências Agrárias, 2018
The state of Pará has the fifth largest cattle herd in Brazil at 20.3 million heads, and beef cattle breeding accounts for 44.32% of the agricultural production value. Using a recursive econometric model estimated by the generalized method of moments, we
Marcos Antônio Souza dos Santos   +6 more
doaj   +1 more source

Boas práticas de manipulação na comercialização do camarão fresco em feiras livres de Belém, PA

open access: yesJournal of Bioenergy and Food Science, 2016
A aplicação de boas práticas de manipulação entre feirantes que comercializam pescado na Amazônia é fundamental, devido aos hábitos de consumo alimentar regionais e da preferência pela aquisição de alimentos em feiras livres e mercados.
Gisélia de Lourdes Cardoso de Alcântara   +1 more
doaj   +1 more source

Wasp and Ant Nests: Who Really Protects Whom? New Insights From Amazonian Forests

open access: yesAustral Ecology, Volume 51, Issue 5, May 2026.
ABSTRACT Studies of animal behaviour are often biased towards species that are large‐bodied or have broad geographic ranges, as these are easier to observe in nature. Consequently, our understanding of behavioural ecology is shaped by such biases, even though these studies have provided important insights.
Sergio Santorelli Junior   +4 more
wiley   +1 more source

Stemflow Dynamics in the Jamari National Forest (Brazilian Amazon): I. The Role of Tree Structure

open access: yesBiotropica, Volume 58, Issue 3, May 2026.
A portion of rainfall that contacts tree canopies is drained down tree stems as stemflow. Stemflow is an underexamined component of rainfall partitioning in tropical forests. To investigate how tree canopy structural attributes influence stemflow in the Brazilian Amazon, we measured stemflow, rainfall, and dendrometric parameters of 56 trees in the ...
Jeferson Alberto de Lima   +5 more
wiley   +1 more source

Patterns of Tree Species Abundance and Diversity on Urban Sidewalks in Macapá, Amapá, Brazil

open access: yesEcological Research, Volume 41, Issue 2, March 2026.
This study presents the first systematic inventory of street trees in Macapá, Northeastern Brazilian Amazon. Results reveal a dominance of exotic and fruit‐bearing species, low tree density, and a replacement of large canopy trees by smaller ones, indicating potential losses in ecosystem services and the need for more biodiversity‐focused afforestation
Lorena Antunes Jimenez   +8 more
wiley   +1 more source

UMA IGREJA COM ROSTO AMAZÔNICO: MEMÓRIA E PROFECIA A PARTIR DO CONTEXTO BRASILEIRO

open access: yesPerspectiva Teológica, 2019
A Amazônia tem despertado interesse no mundo, devido às peculiarida­des do seu bioma e às suas múltiplas etnias, culturas e religiões. O Papa Francisco convocou um Sínodo especial: “Amazônia.
Afonso Murad
doaj   +1 more source

Copaiba Oil–Resin Reduces the Alveolar Bone Damage Triggered by Apical Periodontitis in Rats

open access: yesInternational Endodontic Journal, Volume 59, Issue 3, Page 511-523, March 2026.
ABSTRACT Aim This study aimed to investigate the effects of copaiba oil–resin on induced apical periodontitis in rats. Methodology A total of 24 male Wistar rats were divided equally into three groups (eight animals each): control (C), apical periodontitis (AP) and apical periodontitis with copaiba administration (AP + COP).
Rayssa Maitê Farias Nazário   +11 more
wiley   +1 more source

A comercialização do tucumã (Astrocaryum aculeatum) por extrativistas em comunidades ribeirinhas do Amazonas

open access: yesSustentabilidade em Debate
O artigo traz o resultado da pesquisa sobre os canais de comercialização do tucumã, produto do extrativismo e que expressa um aspecto da cultura alimentar dos amazonenses. A pesquisa foi realizada em três comunidades (São Francisco do Mainã, Jatuarana e
Lindomar de Jesus de Sousa Silva   +5 more
doaj   +1 more source

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