Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Otavio Augusto Queiroz dos Santos"'
Autor:
Ana Paula Pessim de Oliveira, Eduardo Carvalho da Silva Neto, Robson Altiellys Tosta Marcondes, Marcos Gervasio Pereira, Marcelo Souza Motta, Yan Vidal de Figueiredo Gomes Diniz, Hugo de Souza Fagundes, Rafael Coll Delgado, Otavio Augusto Queiroz dos Santos, Lúcia Helena Cunha dos Anjos
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 47 (2023)
ABSTRACT There is a need for greater knowledge about the medium- and long-term effects of prescribed fire management on soil in ecosystems prone to wildfires and more vulnerable to climate change. This study examined the short- and medium-term effect
Externí odkaz:
https://doaj.org/article/1db28e35d62e426dbc6762035c0c8f5a
Autor:
Denilson Dortzbach, Marcos Gervasio Pereira, Antonio Paz Gonzalez, Otavio Augusto Queiroz dos Santos, Marisa de Cássia Piccolo, Arcângelo Loss
Publikováno v:
Revista Agrogeoambiental, Vol 13, Iss 4 (2022)
The objective of this paper is to assess the changes in soil physical and chemical properties resulting from the conversion of native forest to pasture and pasture to secondary forest in the state of Santa Catarina, Brazil. Seven forest–pasture suc
Externí odkaz:
https://doaj.org/article/7fb0b628281e4d209d872905de1b960e
Autor:
Melania Merlo Ziviani, Iolanda Maria Soares Reis, Orlando Carlos Huertas Tavares, Eudocio Rafael Otavio Silva, Otavio Augusto Queiroz dos Santos, Luiz Alberto da Silva Rodrigues Pinto, Marcos Gervasio Pereira
Publikováno v:
Floresta e Ambiente, Vol 29, Iss 1 (2022)
Abstract The aim of this study was to evaluate the distribution of chemical and physical fractions of soil organic matter (SOM) in anthropic horizons of soil profiles in the west of Pará. The highest total organic carbon values were observed in the
Externí odkaz:
https://doaj.org/article/cfae6d2225e842a5871952d81fa99cee
Autor:
Ademir Fontana, Marcos Gervasio Pereira, Jaqueline Jesus Santana dos Santos, Guilherme Kangussu Donagemma, Otavio Augusto Queiroz dos Santos
Publikováno v:
Revista Agrogeoambiental, Vol 13, Iss 3 (2022)
The specific adsorption of phosphorus in minerals from the clay fraction of the soil, such as Fe and Al oxyhydroxides, is responsible for the decrease in the availability of this element for plants. In Brazil, this condition is studied substantially
Externí odkaz:
https://doaj.org/article/a87f8ca1809545ed8f11042f8d5f232f
Impact of land use on Histosols properties in urban agriculture ecosystems of Rio de Janeiro, Brazil
Autor:
Otavio Augusto Queiroz dos Santos, Eduardo Carvalho da Silva Neto, Andrés Calderín García, Hugo de Souza Fagundes, Yan Vidal de Figueiredo Gomes Diniz, Robert Ferreira, Marcos Gervasio Pereira
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 44 (2020)
ABSTRACT Histosols provide several ecosystem services, related mainly to their reserves of carbon and nitrogen. Management practices in these soils can increase the mineralization of organic matter and contribute to the emission of greenhouse gases.
Externí odkaz:
https://doaj.org/article/17e3443f95e74c4fb527d822d6ee0b51
Autor:
Rafael Coll Delgado, Henderson Silva Wanderley, Marcos Gervasio Pereira, André Quintão de Almeida, Daniel Costa de Carvalho, Douglas da Silva Lindemann, Everaldo Zonta, Sady Júnior Martins da Costa de Menezes, Gilsonley Lopes dos Santos, Romário Oliveira de Santana, Renato Sinquini de Souza, Otavio Augusto Queiroz dos Santos
Publikováno v:
Forests; Volume 13; Issue 11; Pages: 1844
The general objective of this research was to propose a new fire risk index, specifically the Fire Risk Atlantic Forest (FIAF) index in Itatiaia National Park (PNI). The data were collected from two levels (2 and 10 m) of a micrometeorological tower,
Autor:
Mateus Alves de Sousa, Adão Pires de Almada, Marcos Gervasio Pereira, Carlos Roberto Pinheiro Junior, Luiz Alberto da Silva Rodrigues Pinto, Otavio Augusto Queiroz dos Santos, Iolanda Maria Soares Reis
Publikováno v:
Revista Brasileira de Ciências Agrárias - Brazilian Journal of Agricultural Sciences. 16:1-8
Despite its great soil diversity, the Amazon Biome still lacks pedological studies that would also contributes to the Brazilian Soil Classification System. Based on this, this study aimed to characterize and classify the soils from an area in western
Autor:
Orlando Carlos Huerta Tavares, Marcos Gervasio Pereira, Otavio Augusto Queiroz dos Santos, Ademir Fontanaa, Andres Calderíns Garcia, Arcangelo Loss
Publikováno v:
Revista Virtual de Química. 13:445-455
Avaliou-se o efeito de diferentes coberturas vegetais sobre composicao quimica espectroscopica de acidos humicos (AH) em areas de Latossolo e Argissolo Amarelo, em Campos dos Goytacazes (RJ). Foram estudadas tres areas: pastagem, cana-de-acucar e flo
Autor:
Renato Sinquini de Souza, Tamiris Conceição de Aguiar, Fernanda Figueiredo Granja Dorilêo Leite, Andres Calderíns Garcia, Marcela Lopes Lázaro, Octávio Vioratti Telles de Moura, Danielle França de Oliveira, Wesley dos Santos Souza, Carlos Roberto Pinheiro Junior, Brisa Ribeiro de Lima, Tancio Gutier Ailan Costa, Otavio Augusto Queiroz dos Santos, Anne Caroline Barbosa de Paula Lima, Camila da C. B. de Souza, Andressa Fabiane Faria de Souza
Publikováno v:
Revista Virtual de Química. 13:371-382
Autor:
Luiz Alberto Rodrigues da Silva Pinto, Mateus Alves de Sousa, Otavio Augusto Queiroz dos Santos, Adão Pires de Almada, Celeste Queiroz Rossi, Iolanda Maria Soares Reis, Marcos Gervasio Pereira, Cristiane Figueira da Silva
Publikováno v:
Revista Ibero-Americana de Ciências Ambientais. 11:16-23
A maior parte dos solos amazônicos apresentam baixa fertilidade, porém são observadas manchas descontínuas onde ser verificam maiores quantidades de nutrientes e teores de carbono orgânico total (COT) elevados, sendo essas áreas denominadas de