7 documents found, page 1 of 1
FOREST FRAGMENT GROUPING ANALYSIS UNDER SELECTIVE LOGGING IN AMAZONIAN BIOME
Rocha, Karen Janones da; Souza, Édila Cristina de; Favalessa, Cyro Matheus Cometti; Caldeira, Sidney Fernando; Rodrigues, Silvo AlvesABSTRACT: The aim of this study was to analyse the existence of floristic groups in Seasonal Semi-deciduous Forest fragments under the effects of selective logging located in Tapurah-MT. The given clusters were allocated and measured, and each one had five subunits of 500 m². For each sampling unit, all of the arboreal and shrub species with a diameter at breast height (DBH) equal to or greater than 10 cm were ...
Effect of selective logging on floristic and structural composition in a forest...
Rocha, Karen Janones da; Souza, Édila Cristina de; Favalessa, Cyro Matheus Cometti; Caldeira, Sidney Fernando; Martinez, Diego TyszkaThis study was conducted in one region of a Seasonal Semideciduous Forest located in Tapurah (Mato Grosso State, Brazil) with the aim of studying its floristic and structural composition. The fixed area method was applied to 10 × 250 m clusters, allocating and measuring five clusters with five subunits of 500 m² each. Species with a diameter at breast height greater than or equal to 10 cm were considered, and ...
Conservação, viabilidade e vigor de diásporos e crescimento inicial de mudas de...
Caldeira, Sidney FernandoThe increase of the antropic action on the different forms of vegetation imposes the necessity to study the forest species, as much as for its conservation, as for its use in environment and productive plantations. If the species is still widely explored in function of the quality of its wood and of other types of products, they increase the risks for its extinction, and the Myracrodruon urundeuva ( aroeira ) i...
Non-segmented and segmented taper models to Tectona grandis in center-southern ...
Favalessa, Cyro Matheus Cometti; Ubialli, Jaime Antônio; Caldeira, Sidney Fernando; Drescher, RonaldoThe aim of this study was to compare the accuracy of the non-segmented polynomial models of Fifth degree and Hradetzky from 1976 and the segmented models of Max and Burkhart from 1976 and Clark et al. from 1991, in estimating diameters along the stem of Tectona grandis L.f., with adjustments for the full set of data and by diameter class in a 16 years old stand in the center–southern region of Mato Grosso State...
Assortment of Tectona grandis in south–central region of Mato Grosso, Brazil
Favalessa, Cyro Matheus Cometti; Ubialli, Jaime Antônio; Caldeira, Sidney Fernando; Drescher, Ronaldo; Acosta, Fidel CándanoThe aim of this study was to compare the accuracy of volume estimative along the stem of Tectona grandis L. f obtained by adjustment of non–segmented and segmented polynomial models, for a forest stand in South–Central region of Mato Grosso State, Brazil. Data from rigorous tree scaling of Tectona grandis, using One hundred and fourtheen trees were measured by Hohenadl method, using 16 sections. The non–segment...
Spatial correlation of soil chemical attributes with the development of teak in...
Pelissari, Allan Libanio; Caldeira, Sidney Fernando; Santos, Vanderley Severino dos; Santos, Joilson Onofre Pereira dosThe objective of this study was to investigate the spatial correlations of soil chemical attributes with the development of teak (Tectona grandis) in the city of Nossa Senhora do Livramento, Mato Grosso State, Brazil. It was allocated 46 permanent plots of 15 m x 30 m. From the stand it was obtained the mean annual values of diameter at 1.3 m above the ground and total height of second to ninth years of age. So...
Análise de agrupamento e regressão não-linear aplicados ao crescimento in vitro...
Souza, Marcelo Dias de; Peres Filho, Otávio; Caldeira, Sidney Fernando; Pelissari, Allan Libanio; Dorval, AlbertoO estudo teve como objetivo avaliar o crescimento in vitro de Leucoagaricus gongylophorus em meio de cultura acrescidos com diferentes extratos de espécies vegetais, por meio da análise estatística multivariada de agrupamento de dados, além de determinar o comportamento do fungo por meio de equações de regressão não-lineares. O fungo foi inoculado em meio BDA acrescidos com oito extratos vegetais, além de dois ...