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Search Results: 1 - 10 of 173833 matches for " Messias Firmino de; "
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Determining the Soil Erodibility for an Experimental Basin in the Semi-Arid Region Using Geoprocessing  [PDF]
Erich Celestino Braga Pereira, Fernando Bezerra Lopes, Francisco Emanoel Firmino Gomes, Aldênia Mendes Masceno de Almeida, Ana Caroline Messias de Magalh?es, Eunice Maia de Andrade
American Journal of Plant Sciences (AJPS) , 2017, DOI: 10.4236/ajps.2017.812214
Abstract: Erosion is the natural process which has the greatest environmental impact, and is the principal trigger for desertification around the globe. The main model used to estimate soil loss by erosion is the Universal Soil Loss Equation (USLE), which unites the major factors that influence erosion into one equation. The soil erodibility factor (K) is the component of this equation that represents soil physics, and is defined as the inherent capacity of the soil to withstand disintegration of its particles and their subsequent transport. The use of geostatistics is seen as an alternative in spatializing this variable from sampled to non-sampled points. The aim of this study therefore, was to determine the soil erodibility factor for an experimental basin in the semi-arid region of Brazil, in addition to generating the soil erodibility map using geostatistics. Disturbed and undisturbed soil samples were collected from 35 points, and laboratory samples were processed to determine the granulometry, permeability and organic matter of the soil, data which are used to determine the K-factor. Kriging was performed to spatialize the study variable, when spherical, exponential and Gaussian semivariograms were tested for generation of the soil erodibility map, these being evaluated by their respective deviations resulting from cross-validation. The mean value of K for the Haplic Luvisol was 0.0328 ton·ha·h/ha·MJ·mm; for the eutrophic Red-Yellow Argisol it was 0.0258 ton·ha·h/ha·MJ·mm; and for the Fluvic Neosol, it was 0.0424
Infec??o de sementes e anormalidade de plantulas de feij?o, em fun??o do condicionamento osmótico induzido por polietileno glicol-6000
Queiroz, Messias Firmino de;Fernandes, Pedro Dantas;Almeida, Francisco de Assis Cardoso;
Revista Brasileira de Engenharia Agrícola e Ambiental , 2000, DOI: 10.1590/S1415-43662000000300017
Abstract: seeds of ten bean cultivars (phaseolus vulgaris l.) were submitted to six levels of osmotic tension (0, - 0.2, - 0.4, - 0.6, - 0.8 e - 1 mpa) induced by polyethylene glycol-6000 (peg-6000), with the purpose of studying its effect on the percentage of infected seeds and abnormal seedlings during the germination test, identifying the most tolerant cultivars. the experiment was carried out in a germinator with temperature and relative humidity control, making use of a neutral ph paper towel as a substract. the experimental design was completely randomized in a 10 x 6 factorial scheme with four replications, each one consisting of 50 seeds for the germination test. the results obtained have shown that the percentage of infected seeds increases with the peg-6000 levels. in most cultivars, the abnormality increases with the peg-6000 levels, until the concentrations of - 0,6 and - 0,8 mpa, with exceptions of cultivars 'goytacazes' and 'onix' in which the abnormality was always higher, increasing with the peg levels. the cultivar 'corrente' was the most tolerant to seed infection and to seedling abnormality. the most sensitive genotypes to seed infections and seedling abnormality were 'novo jalo', 'jalo precoce' and 'goytacazes'.
Aspectos biológicos de adultos de um parasitóide do bicudo do algodoeiro
Araújo, Lúcia Helena Avelino;Braga Sobrinho, Raimundo;Queiroz, Messias Firmino de;
Scientia Agricola , 1999, DOI: 10.1590/S0103-90161999000400001
Abstract: bracon sp. is an important biological control agent of anthonomus grandis, the cotton boll weevil. the objective of this work was to evaluate biological aspects of bracon sp. using cotton boll weevil larvae as host, at conditions of 26 ± 2oc, with 70 ± 5% rh and 12h photoperiod. the complete life cycle of bracon sp. was 11.7 days. the incubation period lasted 1.0 day and the larval period 3.9 days with four stages; the viability of the larvae was 98.7%; prepupal period lasted 0.6 day; and the pupal period lasted 6.2 days. preoviposition period was 4.0 days, and the females laid an average of 74.0 eggs with in an oviposition period of 27.2 days, while the average daily oviposition rate was 2.7 eggs per female per day, posovipositional lasted 3.7 days, and the longevity of bracon sp. was 34.0 days in females. the information of the biology of this braconid is needed to develop parasitoid propagation and colonization strategies.
Aspectos biológicos de adultos de um parasitóide do bicudo do algodoeiro
Araújo Lúcia Helena Avelino,Braga Sobrinho Raimundo,Queiroz Messias Firmino de
Scientia Agricola , 1999,
Abstract: Bracon sp. é um importante agente de controle biológico de Anthonomus grandis (Boheman). Estudaram-se em laboratório, aspectos biológicos de Bracon sp., utilizando-se como hospedeiro larva do bicudo do algodoeiro, a temperatura de 26 ± 2oC, 70 ± 5% UR e fotofase de 12 horas. O ciclo biológico de Bracon sp. teve dura o média de 11,7 dias, o período de incuba o de 1 dia, o período médio larval de 3,9 dias, com 4 estádios; a viabilidade larval de 98,7%, o período pré-pupal de 0,6 dia, o período pupal de 6,2 dias, o tempo de pré-oviposi o de 4,0 dias. A fêmea colocou, em média, 74 ovos em um período de 27,2 dias, a oviposi o média diária de 2,7 ovos/fêmea/dia, o período de pós-oviposi o de 3,7 dias e a longevidade de Bracon sp. foi de 34 dias para as fêmeas. A informa o da biologia deste braconídeo é necessária para desenvolver estratégias de propaga o e coloniza o do parasitóide.
A luta dos aposentados
Luis Firmino de Lima
Psicologia: Ciência e Profiss?o , 1986, DOI: 10.1590/s1414-98931986000100006
Municipal Solid Waste Management: Public Consortia as an Alternative Scale-Efficient? Lessons from the Brazilian Experience  [PDF]
Wanessa de Matos Firmino Silva, Denise Imbrosi, Jorge Madeira Nogueira
Current Urban Studies (CUS) , 2017, DOI: 10.4236/cus.2017.52011
Abstract: One of the biggest challenges facing modern society is solving excessive generation and the environmentally safe disposal of solid waste. In this context, effective management of municipal waste is required, but local authorities in many countries are constrained by limited finances and inadequate services. The decisions in the area of municipal solid waste management are not only capital intensive, but also tough from the environmental and social points of view. There is a need to develop and implement a simple, but reliable tool that will help mayors in this process. In this paper, we analyze Public Consortia of Municipalities, a basic instrument of the National Policy for Solid Waste of Brazil, a country with more than 5000 municipalities. Public Consortia is expected to reduce costs due to economies of scale and smaller demand for land. This study identifies the characteristics of Public Consortia, its advantages and disadvantages for urban solid waste management based upon the analysis of 29 Public Consortia in the Northeast, Southeast and South regions of Brazil. Through gathering of information and empirical data our analysis reveals challenges that are not being addressed and that impact in both, the formation of Public Consortia, as well as the urban solid waste management alternatives.
Deílton Ribeiro Brasil,Marcus Firmino Santiago
Revista da SJRJ , 2010,
Abstract: Os autores discutem, através de um prisma da teoria geral do direito, o crescente ativismo jurisdicional encetado pelo Supremo Tribunal Federal (STF) após a promulga o da EC n° 45/04, que evidencia uma preocupa o acerca do problema da justifica o judicial no que tange à regula o provisória da norma jurídica em virtude de lacunas ou omiss es causadas pela inércia do legislador.
Revista Brasileira de Fruticultura , 2001, DOI: 10.1590/S0100-29452001000300035
Abstract: the origin center of papaya is, very probably, the northwest of south america, more precisely the superior amazon basin - where the genetic diversity is maximum, what characterizes it as a typically tropical plant. although brazil is the largest world producer, the whole area of commercial production is planted exclusively with two groups of cultivars: havaí and formosa, evidencing a narrow genetic base. this work had the objective to evaluate lineages and hybrids, adapted to different conditions, with emphasis to resistance to diseases, carrying out agronomic evaluation of the promising papaya genotypes, in order to identify those best adapted to different agroecosystems. the acessions of the papaya active germplasm bank (bag-papaya) presented a high genetic variability to weight, length and diameter of the fruits, allowing to be explored in programs of genetic improvement. in addition, the analysis of hybrid plant suggested the possibility of genetic changes in important commercial characters. from the evaluations of 125 accessions of the bag - papaya at embrapa cassava and tropical fruits, it was observed that in relation to the phytophthora spp., the accessions cmf 001, cmf 053, cmf 062, cmf 081, cmf 089 are moderately tolerant, and the accessions cmf 002, cmf 007, cmf 033, cmf 060, cmf 065, cmf 070, cmf 071, cmf 083, cmf 101 have higher larger tolerance level. these accessions are being used in works of plant breeding, aiming to produce resistant or tolerant lineages to the fungi.
Factors relating to failure to quit smoking: a prospective cohort study
Azevedo, Renata Cruz Soares de;Fernandes, Rejane Firmino;
Sao Paulo Medical Journal , 2011, DOI: 10.1590/S1516-31802011000600003
Abstract: context and objective: considering the difficulties in stopping smoking, this article aimed to identify factors relating to failure of attempts to quit smoking among smokers who sought care at an outpatient clinic in a general university hospital. design and setting: prospective cohort study evaluating 100 smokers who sought treatment at the psychoactive substances outpatient clinic. methods: the variables gathered were sociodemographic factors; degree of dependence (fagerstr?m questionnaire); stage of motivation for change (university of rhode island change assessment scale); and presence of depression and anxiety (hospital anxiety and depression scale). the patients were followed up after 4, 8, 12 and 24 weeks to identify factors relating to failure to quit smoking. results: the patients were mostly women (75%), between 40 and 59 years of age (67%); with incomplete elementary education (60%); with leisure activities (57%); suffering from tobacco-related disease (53%); with previous attempts to quit smoking (70%); with a medical recommendation to stop (51%); with encouragement to stop (66%); and with a high degree of dependence (78%). the main motivational stage was contemplation/action (43%); the anxiety rate was 64% and the depression rate was 39%. the quitting rate was 66% among adherents and 17% among non-adherents (p < 0.001). lack of success was correlated with absence of leisure, higher education and absence of tobacco-related disease. conclusion: the variables of lack of leisure activities, higher education and/or lack of tobacco-related disease correlated with failure to quit smoking among smokers who sought treatment at an outpatient clinic in a tertiary general hospital.
Revista Brasileira de Fruticultura , 2001,
Abstract: O centro de origem do mamoeiro é, muito provavelmente, o Noroeste da América do Sul - vertente oriental dos Andes, mais precisamente a Bacia Amaz nica Superior - onde a diversidade genética é máxima, o que o caracteriza como uma planta tipicamente tropical. Embora o Brasil seja o maior produtor mundial, toda a área de produ o comercial é implantada quase que exclusivamente com dois grupos de cultivares, Havaí e Formosa, evidenciando uma base genética muito estreita. Este trabalho teve por objetivo avaliar linhagens e híbridos adaptados às condi es edafoclimáticas das principais regi es produtoras, com ênfase para resistência a doen as, procedendo avalia o agron mica dos principais genótipos promissores de mam o, a fim de identificar aqueles mais adaptados a diferentes agroecossistemas do País. Os acessos do Banco Ativo de Germoplasma de Mam o apresentaram grande variabilidade genética para os caracteres peso, comprimento e diametro de frutos, passível de ser explorada em programas de melhoramento genético. A análise de planta híbrida em rela o aos parentais indica a possibilidade de modifica es genéticas de caracteres comercialmente importantes, a exemplo de altura de inser o da primeira flor funcional, altura da planta, ocorrência de carpeloidia e peso de frutos. Em adi o, a partir de avalia es compreendendo 125 acessos do Banco Ativo de Germoplasma de Mam o (BAG-Mam o) da Embrapa Mandioca e Fruticultura, observou-se que, em rela o à Phytophthora spp. os acessos CMF 001, CMF 053, CMF 062, CMF 081, e CMF 089 s o moderadamente tolerantes, e os acessos CMF 002, CMF 007, CMF 033, CMF 060, CMF 065, CMF 070, CMF 071, CMF 083 e CMF 101 apresentam nível maior de tolerancia. Estes acessos est o sendo utilizados em trabalhos de melhoramento genético, visando à obten o de linhagens resistentes e/ou tolerantes ao fungo.
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