Search Results - "LUIZ, Alfredo José Barreto"

Self-Guided Segmentation and Classification of Multi-Temporal Landsat 8 Images for Crop Type Mapping in Southeastern Brazil by Schultz, Bruno, Immitzer, Markus, maggio, Antonio Roberto, Sanches, Ieda Del' Arco, Luiz, Alfredo Jose Barreto, Atzberger, Clement

“…Only well-chosen segmentation parameters ensure optimum results of object-based image analysis (OBIA). Manually defining suitable parameter sets can be a…”
Get full text

Cloud Cover Assessment for Operational Crop Monitoring Systems in Tropical Areas by Eberhardt, Isaque, Schultz, Bruno, Rizzi, Rodrigo, Sanches, Ieda, Formaggio, Antonio, Atzberger, Clement, Mello, Marcio, Immitzer, Markus, Trabaquini, Kleber, Foschiera, William, José Barreto Luiz, Alfredo

“…The potential of optical remote sensing data to identify, map and monitor croplands is well recognized. However, clouds strongly limit the usefulness of…”
Get full text

Methane emission from a flooded rice field under pre-germinated system by Lima, Magda Aparecida de, Vieira, Rosana Faria, Frighetto, Rosa Toyoko Shiraishi, Luiz, Alfredo José Barreto, Villela, Omar Vieira

“…Local greenhouse gas flow measurement studies have been encouraged at a global level as a subsidy for national and state inventories. This study aimed to…”
Get full text

CH4 and N2O fluxes during paddy rice crop development, post-harvest, and fallow by Lima, Magda Aparecida de, Faria Vieira, Rosana, Barreto Luiz, Alfredo José, Haddad Galvão, José Abrahão

“…Paddy fields are major sources of greenhouse gases, mainly methane (CH4) and nitrous oxide (N2O). Defining the sampling times for determining the average…”
Get full text

Hematological and morphometric blood value of four cultured species of economically important tropical foodfish by Dal'Bó, Genoefa Amália, Sampaio, Fernanda Garcia, Losekann, Marcos Eliseu, Queiroz, Julio Ferraz de, Luiz, Alfredo José Barreto, Wolf, Verena Hildegard Gyárfas, Gonçalves, Vitória Teodoro, Carra, Maria Lidia

“…The use and validation of fish health monitoring tools have become increasingly evident due to aquaculture expansion. This study investigated the hematology…”
Get full text

Effects of agricultural management and of climate change on N2O emissions in an area of the Brazilian Cerrado: Measurements and simulations using the STICS soil-crop model by da Silva, Fernando Antônio Macena, de Oliveira, Alexsandra Duarte, de Carvalho, Arminda Moreira, Marchão, Robélio Leandro, Luiz, Alfredo José Barreto, Ribeiro, Fabiana Piontekowski, Müller, Artur Gustavo

Get full text

Biomonitoring as a potential tool for water quality in tilapia culture: a case study of Baixa Mogiana region of São Paulo State, Brazil by Moura e Silva, Mariana Silveira Guerra, Losekann, Marcos Eliseu, Luiz, Alfredo José Barreto, Kobayashi, Josilaine Taeco, Hisano, Hamilton

“…The objectives of this study were to test an artificial substrate sampler method for aquaculture ponds and assess the water quality based on the benthic…”
Get full text

ANALYSIS OF PUBLIC POLICIES' IMPLEMENTATION FOR ENVIRONMENTAL MANAGEMENT IN BRAZIL: THE CONTRIBUTION OF SOCIAL NETWORK THEORY by Giglio, Ernesto Michelangelo, Luiz, Alfredo José Barreto, Najberg, Estela

Get full text

Campo Verde Database: Seeking to Improve Agricultural Remote Sensing of Tropical Areas by Del'Arco Sanches, Ieda, Queiroz Feitosa, Raul, Achanccaray Diaz, Pedro Marco, Dias Soares, Marinalva, Barreto Luiz, Alfredo Jose, Schultz, Bruno, Pinheiro Maurano, Luis Eduardo

“…In tropical/subtropical regions, the favorable climate associated with the use of agricultural technologies, such as no tillage, minimum cultivation,…”
Get full text

Community assessment of benthic macroinvertebrates in fishponds in the presence and absence of fish by Moura e Silva, Mariana Silveira Guerra, Luiz, Alfredo José Barreto, Losekann, Marcos Eliseu, Hisano, Hamilton

“…Abstract Aim In the present study, the structure of the benthic invertebrates in ponds in the presence and absence of Nile tilapia was evaluated. Methods The…”
Get full text

Inference on Arthropod Demographic Parameters: Computational Advances Using R by Maia, Aline De Holanda Nunes, Pazianotto, Ricardo Antonio De Almeida, Luiz, Alfredo José Barreto, Marinho-Prado, Jeanne Scardini, Pervez, Ahmad

“…We developed a computer program for life table analysis using the open source, free software programming environment R. It is useful to quantify chronic…”
Get full text

THE FALLACY OF ORGANIC AND CONVENTIONAL FRUIT AND VEGETABLE PRICES IN THE METROPOLITAN REGION OF CAMPINAS, SÃO PAULO, BRAZIL by Watanabe, Maria Aico, De Abreu, Lucimar Santiago, Luiz, Alfredo José Barreto

“…There is a popular myth or fallacy based on the idea that organic fruits and vegetables are always more expensive than conventional products. To assess whether…”
Get full text

Antioxidant defenses and biochemical changes in the neotropical fish pacu, Piaractus mesopotamicus: Responses to single and combined copper and hypercarbia exposure by Sampaio, Fernanda Garcia, Boijink, Cheila de Lima, Bichara dos Santos, Laila Romagueira, Oba, Eliane Tie, Kalinin, Ana Lúcia, Luiz, Alfredo José Barreto, Rantin, Francisco Tadeu

“…This study investigated the potentially detrimental effects of copper and elevated aquatic CO₂ (hypercarbia), alone or in combination, on pacu, Piaractus…”
Get full text

Estimating soybean crop areas using spectral-temporal surfaces derived from MODIS images in Mato Grosso, Brazil by Epiphanio, Rui Dalla Valle, Formaggio, Antonio Roberto, Rudorff, Bernardo Friedrich Theodor, Maeda, Eduardo Eiji, Luiz, Alfredo José Barreto

“…The objective of this work was to evaluate the application of the spectral-temporal response surface (STRS) classification method on Moderate Resolution…”
Get full text

Detecção de áreas agrícolas em tempo quase real com imagens Modis by Eberhardt, Isaque Daniel Rocha, Luiz, Alfredo José Barreto, Formaggio, Antonio Roberto, Sanches, Ieda Del'Arco

“…Resumo: O objetivo deste trabalho foi desenvolver um método para identificação e monitoramento, em tempo quase real, de áreas agrícolas cultivadas com lavouras…”
Get full text

CLASSIFICAÇÃO ORIENTADA A OBJETOS EM IMAGENS MULTITEMPORAIS LANDSAT APLICADA NA IDENTIFICAÇÃO DE CANA-DE-AÇÚCAR E SOJA by Schultz, Bruno, Formaggio, Antonio Roberto, Eberhardt, Isaque Daniel Rocha, Sanches, Ieda Del'Arco, De Oliveira, Julio Cesar, Luiz, Alfredo José Barreto

“…A presente pesquisa teve por objetivo avaliar a potencialidade de dados multitemporais Landsat para classificação de cana-de-açúcar e de soja, conjuntamente,…”
Get full text

Estimativa amostral objetiva de área plantada regional, apoiada em imagens de sensoriamento remoto by Luiz, Alfredo José Barreto, Formaggio, Antônio Roberto, Epiphanio, José Carlos Neves, Arenas‑Toledo, John Mauricio, Goltz, Elizabeth, Brandão, Daniela

“…O objetivo deste trabalho foi desenvolver e avaliar um método para estimar a área plantada de soja em escala regional e calcular o erro estatístico associado à…”
Get full text

Diagnóstico rápido e dialogado em estudos de desenvolvimento rural sustentável by Luiz, Alfredo José Barreto, Silveira, Miguel Ângelo da

“…O principal objetivo deste trabalho foi verificar se a suposição de predominância da agricultura familiar na microbacia do Taquara Branca, Sumaré, SP, poderia…”
Get full text

APPLICATION OF THE KOLMOGOROV-SMIRNOV TEST TO COMPARE GREENHOUSE GAS EMISSIONS OVER TIME by LUIZ, Alfredo José Barreto, LIMA, Magda Aparecida de

“…The national inventories of greenhouse gas (GHG) emissions, which are periodically prepared by countries that signed the Climate Change Convention, compute…”
Get full text

PLANILHA ELETRÔNICA PARA O CÁLCULO DA REFLECTÂNCIA EM IMAGENS TM E ETM+ LANDSAT by Salete Gürtler, José Carlos Neves Epiphanio, Alfredo José Barreto Luiz, Antonio Roberto Formaggio

“…A reflectância de culturas agrícolas e de outros "alvos" da superfície terrestre é um parâmetro intrínseco dos objetos sensoriados e, assim, em muitas…”
Get full text