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Federal University of Roraima

Education
About: Federal University of Roraima is a based out in . It is known for research contribution in the topics: Population & Thermogravimetry. The organization has 981 authors who have published 1218 publications receiving 7849 citations. The organization is also known as: Federal University of Roraima.


Papers
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Journal ArticleDOI
05 Sep 2017-Zootaxa
TL;DR: A checklist of eight species of the Leptophlebiidae (Ephemeroptera) found in the Serra da Mocidade National Park is presented and three new species of Miroculis are described based on male imagos.
Abstract: The Serra da Mocidade National Park is a conservation area located in one of the most inaccessible portions of Amazonia Biome in the Roraima State. The first survey of aquatic insects from that in this region was undertaken in January to February 2016 and we present a checklist of eight species of the Leptophlebiidae (Ephemeroptera) found in the Park and describe three new species of Miroculis based on male imagos.

3 citations

Journal ArticleDOI
23 Aug 2015
TL;DR: In this article, the authors evaluated the population fluctuation of Rhynchophorus palmarum L. (Coleoptera: Curculionidae) in Elaeis guineensis Jacq plantations in forest and savanna ecosystems in the state of Roraima.
Abstract: Esta pesquisa teve como objetivo avaliar a flutuacao populacional de Rhynchophorus palmarum L. (Coleoptera: Curculionidae) em plantios de Elaeis guineensis Jacq, em ecossistemas de savana e floresta no estado de Roraima. A pesquisa foi desenvolvida durante o periodo de janeiro de 2011 a fevereiro de 2012 nos campos experimentais da Embrapa Roraima: Monte Cristo e Caroebe, numa area de 2 hectares com a cultura da Palma de Oleo, em cada campo. Foram distribuidas armadilhas iscadas com roletes de cana-de-acucar e feromonio de agregacao para captura dos insetos no entorno dos plantios. Ocorreu flutuacao de R. palmarum com picos populacionais nos meses de julho e agosto no ecossistema de savana e de abril a setembro no ambiente de floresta. A populacao de R. palmarum foi menor em meses de baixa precipitacao pluviometrica nos dois ambientes avaliados com a Palma de Oleo em Roraima Population Fluctuation of Rhynchophorus palmarum L. (Coleoptera: Curculionidae) in Plantations of Oil Palm in Roraima Abstract. This research aimed to evaluate the population fluctuation Rhynchophorus palmarum L. (Coleoptera: Curculionidae) in Elaeis guineensis Jacq plantations in forest and savanna ecosystems in the state of Roraima. The research was conducted during the period from January 2011 to February 2012 in the experimental field of Embrapa Roraima: Monte Cristo and Caroebe in an area of 2 hectares with culture Oil Palm in each field. Traps baited with rollers cane sugar and aggregation pheromone for capturing insects in the vicinity of the plantations were distributed. Fluctuation occurred R. palmarum with population peaks in the months of July and August in the savanna ecosystem and from April to September in the forest environment. The population of R. palmarum was lower in months of low rainfall in the two environments assessed with a palm-oil-in Roraima.

3 citations

DOI
28 Feb 2019
TL;DR: In this article, the authors identify the access that sports teachers have to Adapted Physical Education continuing education through academic curriculum analyses, and find that the knowledge of lack of professional qualification is highly associated with the fact that teachers resort very little to continuing education opportunities.
Abstract: To think about disability, also consists in going back to the Adapted Physical Education’s history. The Adapted Physical Education officially arose at Universities through the 3/87 Resolution of the Education Federal Council, and was considered a milestone for professional qualification in the field, in Brazil. In this sense, we aim to identity the access that Sports teachers have to Adapted Physical Education continuing education through academic curriculum analyses. Our results showed that the knowledge of lack of professional qualification is highly associated with the fact that teachers resort very little to continuing education opportunities. Article visualizations:

3 citations

Journal ArticleDOI
31 Aug 2016
TL;DR: The first occurrence of H. grandella damaging andiroba ( Carapa guianensis Aubl) seed in Roraima southern region, Brazil was reported in 2012.
Abstract: Resumo . Objetivou-se com o presente estudo registrar a ocorrencia de Hypsipyla grandella (Zeller) atacando sementes de andiroba ( Carapa guianensis Aubl) em floresta nativa, na regiao sul do estado de Roraima, Brasil. Dentre as especies de interesse economico na Amazonia, se destaca Carapa guianensis , por ser nativa e de multiplo uso, sendo a madeira e o oleo extraido de suas sementes, seus produtos mais importantes. As plantas da familia Meliaceae como C. guianensis e Swietenia macrophylla (King) tem como uma das principais pragas florestais a H. grandella. A coleta das sementes de C. guianensis foi realizada nos meses de fevereiro e marco de 2012, tendo-se selecionado as que estavam sobre o solo embaixo da copa das arvores, e danificadas (presenca de furos), ou com vestigios de ataque (exsudacao de goma sobre as sementes) por insetos . Em seguida as mesmas foram levadas ao Laboratorio de Entomologia Agricola da Universidade Federal de Roraima - UFRR, onde foram separadas em lotes de 50 sementes, por municipio totalizando 200 sementes. Constatou-se nas sementes a presenca de 450 larvas de Hypsipyla , as quais originaram 392 (87%) adultos de Hypsipyla ferrealis (Hampson) e 58 (13%) de H. grandella . Este e o primeiro registro de ocorrencia de H. grandella danificando sementes de C. guianensis em Roraima. Occurrence of Hypsipyla grandella Zeller ( Lepidoptera, Pyralidae) in the South of Roraima State Abstract. The study aimed to record the occurrence of Hypsipyla grandella (Zeller) attacking andiroba ( Carapa guianensis Aubl) seed, in native forest of Roraima southern region, Brazil. Among the species of economic interest in the Amazon, stands out C. guianensis , by to be native and of multiple uses, having wood and the oil extracted from seeds as the most important products. The Meliaceae family plants, as C. guianensis and Swietenia macrophylla (King), have as a major forest pest, H. grandella . The C. guianensis seeds samplings were held in February and March 2012. The seeds were selected on the ground beneath the canopy of trees, and those which had damage (holes presence), or with insects attack trace (exudation). The seeds were brought to the Agricultural Entomology laboratory, of Federal University of Roraima - UFRR, which were separated into batches of 50 seeds per municipality, totaling 200 seeds. It was observed the presence of 450 Hypsipyla larvae in the seeds, which yielded 392 (87%) adults of Hypsipyla ferrealis (Hampson) and 58 (13%) of H. grandella . This is the first occurrence of H. grandella damaging andiroba seeds in Roraima.

3 citations

Journal ArticleDOI
TL;DR: An affinity procedure based on a magnetic Dacron-HEP composite that presents the following advantages: easy, low-cost synthesis of the composite, magnet-based affinity purification steps, and reusability.

3 citations


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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20232
20222
2021125
2020183
201992
201899