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DECOMPOSIÇÃO DA FITOMASSA DE Gliricidia sepium EM DIFERENTES SISTEMAS DE OCUPAÇ...

Araújo, Moisés Bittar de; Barbosa, Alex da Silva; Gomes, Daniel da Silva; Silva, João Henrique Constantino Sales

Este estudo teve como objetivo avaliar a dinâmica da decomposição da fração foliar de Gliricidia sepium em diferentes sistemas de uso e manejo do solo. A pesquisa foi desenvolvida em três sistemas de uso da terra: sistema agroflorestal (SAF), mandala e pastagem. O método empregado para quantificar a decomposição da fitomassa foliar foi o de bolsas de nylon “litter bags”, coletadas a cada sete dias, por um perío...

Date: 2022   |   Origin: Oasisbr

Preliminary observations on the nesting of the cupira bee (Partamona cupira Smi...

Ferreira, Roberto Carlos Cavalcante; Aquino, Italo de Souza; Vital, Adriana de Fátima Meira; Silva, Arlene Braz da Conceição; Barbosa, Alex da Silva

Bees are the main and most effective agents of plant pollination, contributing to the stability of environments and agriculture and, in this way, favoring food security. Among indigenous bees, the Partamona cupira is one that has little information in the literature about its behavior and handling techniques. This work aimed to analyze the nesting choice of P. cupira, in its natural habitat, in the Caatinga bio...

Date: 2021   |   Origin: Oasisbr

Behavioral aspects of the host Diatraea saccharalis produced in a laboratory

Aquino, Italo de Souza; Silva, Roberto Balbino da; Borges, Péricles de Farias; Barbosa, Alex da Silva; Medeiros, Geovergue Rodrigues de

The expansion in the cultivation of sugar cane attracts several pest insects, representing a limiting factor to the sugarcane culture in Brazil. The objective of the research was to analyze the behavioral aspects, in laboratory, of the sugarcane borer Diatraea saccharalis as host of Cotesia flavipes. The experiment was developed in three stages, in a completely randomized way. In the first stage, corresponding ...

Date: 2021   |   Origin: Oasisbr

INDICADORES QUALITATIVOS DO AMBIENTE EDÁFICO E SERVIÇOS ECOSSISTÊMICOS EM DIFER...

Silva, João Henrique Constantino Sales; Barbosa, Alex da Silva; Araújo, Moisés Bittar de; Gomes, Daniel da Silva; Miranda, Alexandre Amadeu Cerqueira de

O conceito de sustentabilidade tem levado a pesquisa agropecuária a uma crescente busca de modelos alternativos e sustentáveis para a agricultura, sendo as formas de uso e manejo do solo o ponto de partida determinante para a compreensão da dinâmica do ambiente edáfico e serviços ambientais dos agroecossistemas. Sendo assim, este trabalho teve como objetivo avaliar a qualidade do ambiente edáfico e serviços eco...

Date: 2021   |   Origin: Oasisbr

Productive systems Sustainable in the Serraria County, Paraiba, Brazil

Lima, Juliana Ferreira de; Souza, Jair Batista de; Barbosa, Alex da Silva

The adoption of agroecological practices such as consortium and agroforestry systems are effective in improving and maintaining soil quality, with the delimitation of factors that may be related to the preservation of soil fertility being essential. The indicators of sustainability of participative soils are characterized by their ease of application, which can be used by farmers themselves and contributing to ...

Date: 2020   |   Origin: Oasisbr

COMPOSIÇÃO, SIMILARIDADE E ESTRUTURA DO COMPONENTE ARBUSTIVO-ARBÓREO DE ÁREAS D...

Barbosa, Alex da Silva; Andrade, Alberício Pereira de; Félix, Leonardo Pessoa; Aquino, Ítalo de Souza; Silva, João Henrique Constantino Sales

Os fragmentos de caatinga constituem áreas que necessitam de estudos buscando subsidiar ações de manejo e conservação desses habitats. O objetivo deste estudo foi analisar a florística e a estrutura de três áreas de caatinga localizadas nos municípios de Campina Grande, Boa Vista e Monteiro - PB. Em cada área foram plotadas 100 parcelas de 100 m2, sendo amostrados e etiquetados todos os indivíduos de porte arbu...

Date: 2020   |   Origin: Oasisbr

Ecologia populacional, características anatômicas e perfil metabolômico de pilo...

Barbosa, Alex da Silva

The cacti are a group of widely distributed plants in semiarid of Paraíba. Your specimens show sensitivity to human disturbance due to low absolute growth rate, restricted range and reliance on dispersal agents, on the other hand appear as important plant genetic resources for the region. Aiming to contribute information to conservation programs, uses and anatomy, the objective of this study was to analyze ecol...

Date: 2019   |   Origin: Oasisbr

Natural regeneration of Anadenanthera colubrina (Vell.) Brenan Fabaceae in Alti...

Oliveira, Ivan Sérgio da Silva; Souza, Vênia Camelo de; Medeiros, Robson Luis Silva de; Barbosa Neto, Miguel Avelino; Barbosa, Alex da Silva

The Atlantic Forest is currently the most threatened biome due to various anthropogenic pressures. The destruction of habitats linked to fragmentation causes serious consequences for any type of vegetation, especially in the Atlantic Forest in the Northeast of Brazil. The angico, Anadenanthera colubrina, Fabaceae, is an arboreal species with a height of 12-15 m. The study aimed to understand the natural regener...

Date: 2017   |   Origin: Oasisbr

Structure of natural regeneration in Anadenanthera colubrina altitude swamp fra...

Medeiros, Robson Luis Silva de; Souza, Vênia Camelo de; Barbosa Neto, Miguel Avelino; Araújo, Leandro de; Barbosa, Alex da Silva

The habitats destruction linked to fragmentation causes serious consequences for vegetation in general, especially considering the Northeast Atlantic Forest. The Northeastern Swamps of Altitudes are areas with microclimates dissociating from extensions where they are inserted. Knowledge of the natural regeneration potential is the key to understanding the dynamics of vegetation. The study aimed to evaluate the ...

Date: 2016   |   Origin: Oasisbr

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