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Diego Armando Silva da Silva

Diego Armando Silva da Silva
Instituto Federal do Amapá - IFAP

Professor

About

25
Publications
4,460
Reads
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36
Citations
Citations since 2017
21 Research Items
36 Citations
201720182019202020212022202302468101214
201720182019202020212022202302468101214
201720182019202020212022202302468101214
201720182019202020212022202302468101214

Publications

Publications (25)
Article
Full-text available
The increasing availability of field data presents an opportunity to understand the fundamental ecological relationships and functions of large trees in tropical forests at regional and global scales. However, it is not always clear what the relationships or patterns of diversity and structure are among sites in different biogeographic regions. We...
Article
Full-text available
Height measurements are essential to manage and monitor forest biomass and carbon stocks. However, accurate estimation of this variable in tropical ecosystems is still difficult due to species heterogeneity and environmental variability. In this article, we compare and discuss six nonlinear allometric models parameterized at different scales (local...
Preprint
Full-text available
Height measurements are essential to manage and monitor forest biomass and carbon stocks. However, accurate estimation of this variable in tropical ecosystems is still difficult due to species heterogeneity and environmental variability. In this article, we compare and discuss six nonlinear allometric models parameterized at different scales (local...
Article
Full-text available
The commercial volume in tropical forests is fundamental for the implementation of sustainable forest management plans. However, in the absence of local or generic volumetric equations, most forest managers and forest services are still using traditional form factors to estimate the volume of commercial tree species in the Amazon. Our study shows t...
Article
Full-text available
Accurate estimates of commercial volume in tropical forests are key for the implementation of sustainable forest management plans. Due to the lack of local or generic volumetric equations, most forest managers and forestry services are still using traditional expansion factors (i.e. multiplication of the diameter by a given value) to estimate the v...
Article
Full-text available
O atual cenário sobre o uso dos recursos florestais de maneira desordenada, fez com que se buscassem meios para valorar e utilizar os componentes não madeireiros. No entanto, essa alternativa vem sendo adotada ainda de forma insipiente na Amazônia, mesmo buscando o contexto de economia sustentável. O presente trabalho foi desenvolvido com o intuito...
Article
A determinação de equações para estimar com precisão o volume de árvores comercias é importante não somente para a tomada de decisão sobre o uso da floresta, como também para o estabelecimento de políticas públicas de fiscalização, monitoramento e controle dos recursos naturais, sua valoração e análises de investimento. Neste trabalho objetivou-se...
Article
Full-text available
The aim of this work was to analyze the diametric and spatial structure of the Manilkara huberi (Ducke) A. Chev. and Dinizia excelsa Ducke species. The diameters distribution was determined according to the Sturges methodology. The Meyer model was adjusted to estimate the number of individuals per diameter class. The spatial distribution pattern wa...
Article
Full-text available
Volumetric yield analysis is critical to optimizing performance in the timber industry. In the Amazon and in the Amapá state, this information is still little known and scarce, and therefore this study was developed to obtain and analyze the volumetric yield coefficient of ten commercial tree species and to test the variation by diameter class. We...
Article
Full-text available
O objetivo do presente estudo foi avaliar a diversidade e similaridade florística de espécies arbóreas em duas áreas sob influência de uma usina hidrelétrica na Amazônia, localizada entre os Estados do Amapá e Pará. Nessas áreas foram realizados inventários contínuos em 2 módulos amostrais em que cada um é composto de 5 parcelas permanentes de 20 x...
Article
Full-text available
Accurate estimates of lumber volume become an important indicator of production and monetary value for a sawmill. However, such estimates are only obtained directly after logging, and no accurate predictions are made for the Amazonian commercial species. In this sense, the objective was to generate equations of lumber volume for commercial species...
Article
Full-text available
The objective of this research was to study the diametric distribution in different age classes of Pinus caribaea Morelet var. caribaea Barr. & Golf. plantations established for lumber production in Macurije Integrated Forest Company (IFC), Pinar del Río, Cuba. For this, ten Probability Density Functions (PDFs) were adjusted per age group of five y...
Article
Full-text available
Recebido em fevereiro/2017; Aceito em junho/2017. RESUMO: O presente trabalho foi desenvolvido com o intuito de ajustar e selecionar modelos estatísticos para estimativa de rendimento volumétrico de madeira serrada das espécies Dinizia excelsa Ducke e Manilkara huberi Ducke. Para isto, foram coletadas como principais variáveis: o volume da tora, vo...
Article
Full-text available
The structuring of a consolidated forest economy in the Amazon region would be an unprecedented contribution to the conservation and socioeconomics of the rural community. Therefore, the objective of this work was to conduct a literature review on the economic competitiveness of multiple-use community-forest management by land use in the Amazon reg...
Article
Full-text available
The structuring of a consolidated forest economy in the Amazon region would be an unprecedented contribution to the conservation and socioeconomics of the rural community. Therefore, the objective of this work was to conduct a literature review on the economic competitiveness of multiple-use community-forest management by land use in the Amazon reg...
Conference Paper
Full-text available
The objective of this study was to assess the employability of Artificial Neural Networks for volume estimation with bark eucalyptus trees grown in cerrado in the stateof Amapá. Volumetric data from scaling of 218 trees were used. 100 RNAs type Multilayer Perceptron in a supervised manner were trained using the backpropagation algorithm error and s...
Research
Objetivou-se analisar a variação da estrutura diamétrica das principais espécies arbóreas utilizando o quociente “q” de De Liocourt. O estudo foi realizado em uma floresta de várzea no município de Macapá, Amapá. Os dados dendrométricos de 2008 foram obtidos anteriormente na área por meio de inventário. Em 2009 foi realizada a remensuração dos indi...
Article
RESUMO: A Floresta Amazônica devido a sua grande importância econômica e ecológica ganhou destaque mundial, dessa forma o manejo florestal sustentável tornou-se foco na comunidade cientifica, visando o desenvolvimento econômico, social e ambiental. A análise da viabilidade econômica do manejo florestal é uma importante ferramenta, que visa determin...
Article
Full-text available
The floodplain forest is the second largest forested environment of the Amazon region. The species Mora paraensis (Ducke), known as Pracuuba, is becoming the target of exploitation without any knowledge of forest management. There is a requirement of application of quantitative methods that make the production a sustainable source of raw materials....

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Projects

Project (1)
Project
After the discovery of six sites with giant trees in the Amazon Basin, this project aims to visit the sites and gather information to understand what controls the distribution of the tallest trees.