Results 41 to 50 of about 351 (156)

Individual Growth Model for Eucalyptus Stands in Brazil Using Artificial Neural Network

International Scholarly Research Notices, Volume 2013, Issue 1, 2013., 2013
This work aimed to model the growth and yield of Eucalyptus stands located in northern Brazil, at the individual tree level, by using artificial neural networks (ANNs). Data from permanent plots were used for training the neural networks to predict tree height and diameter as well as mortality probability.
Renato Vinícius Oliveira Castro, Carlos Pedro Boechat Soares, Helio Garcia Leite, Agostinho Lopes de Souza, Gilciano Saraiva Nogueira, Fabrina Bolzan Martins, J. Kaitera, P. Newton, T. L. Noland, P. Robakowski   +9 more
wiley   +1 more source

Cedrela fissilis Vell. Inner Bark: LC–MS/MS‐Based Chemical Profiling and Toxicological Effects

Chemistry &Biodiversity, Volume 23, Issue 5, May 2026.
ABSTRACT Investigating the mechanistic toxicity of plant extracts is essential for safety assessment. The predictive toxicological effects of Cedrela fissilis were evaluated, and LC–MS/MS‐based chemical profiling was performed. The hydroethanolic extract (HeECf) and ethyl acetate (EA) fraction were assessed in multimodel systems with different levels ...
Thainá Pereira da Silva Cabral, Emanuel Victor dos Santos Nunes, Viviani de Brito Massad Gomes da Silva, Fhelipe Jolner Souza de Almeida, Douglas Lisboa Ramalho, Jadyellen Rondon Silva, Anderson de Oliveira Souza, Maria Cristina Fuzari Bezerra, Ian Castro‐Gamboa, Helder Lopes Teles, Mayara Peron Pereira   +10 more
wiley   +1 more source

Chemical Analysis and Study of Phenolics, Antioxidant Activity, and Antibacterial Effect of the Wood and Bark of Maclura tinctoria (L.) D. Don ex Steud.

Evidence-Based Complementary and Alternative Medicine, Volume 2012, Issue 1, 2012., 2012
Maclura tinctoria (L.) D. Don ex Steud. has one of the highest qualities among the coefficients for Brazilian woods (up to 9.6) and resistance rates equivalent to Indian teak (Tectona grandis). In this study, the macromolecular constituents and total phenols compounds as well as the antioxidant and antibacterial activities of this wood were evaluated ...
K. C. Lamounier, L. C. S. Cunha, S. A. L. de Morais, F. J. T. de Aquino, R. Chang, E. A. do Nascimento, M. G. M. de Souza, C. H. G. Martins, W. R. Cunha, Y. Ohta   +9 more
wiley   +1 more source

Propagação vegetativa de cedro-rosa por miniestaquia

Revista Árvore, 2003
O objetivo deste trabalho foi avaliar a técnica de miniestaquia como método de propagação vegetativa de cedro-rosa (Cedrela fissilis), quanto à produção e sobrevivência das minicepas nas sucessivas coletas e quanto ao porcentual de enraizamento e do ...
Aloisio Xavier, Glêison Augusto dos Santos, Ivar Wendling, Marcelo Lelis de Oliveira   +3 more
doaj   +3 more sources

Effect of land use change on Melolonthidae (Coleoptera: Scarabaeoidea) beetle communities in the deforestation arc of the Brazilian Amazon

Insect Conservation and Diversity, Volume 19, Issue 2, Page 404-419, March 2026.
Habitat transformation in Amazon due to agriculture expansion impairs Melolonthidae diversity. Assemblage response towards habitat transformation are group‐dependent. Although highly disturbed, Amazon arc of deforestation region dwells sensitive insect assemblages. Abstract Although the Amazon provides crucial goods and ecosystem services for humanity,
Kleyton Rezende Ferreira, Elio Cesar Guzzo, Renato Portela Salomão, Fernando Zagury Vaz‐de‐Mello, César Murilo de Albuquerque Correa   +4 more
wiley   +1 more source

An Ecological Comparison of Floristic Composition in Seasonal Semideciduous Forest in Southeast Brazil: Implications for Conservation

International Journal of Forestry Research, Volume 2012, Issue 1, 2012., 2012
We examined floristic patterns of ten seasonal semideciduous forest sites in southeastern Brazil and conducted a central sampling of one hectare for each site, where we took samples and identified all individual living trees with DBH (diameter at breast height, 1.30 m) ≥4.8 cm. Arboreal flora totaled 242 species, 163 genera, and 58 families.
Sérgio de Faria Lopes, Ivan Schiavini, Ana Paula Oliveira, Vagner Santiago Vale, Frank Gilliam   +4 more
wiley   +1 more source

Hyphomycetes com conidioma dos tipos esporodóquio e sinema associados a folhas de Cedrela fissilis (Meliaceae), em Maringá, PR, Brasil Hyphomycetes with sporodochial and synnematous conidiomata associated with leaves of Cedrela fissilis (Meliaceae) in Maringá, PR, Brazil

Acta Botânica Brasílica, 1997
Folhas vivas e em decomposição de Cedrela fissilis Veil, foram coletadas, de janeiro a novembro de 1993, no Horto Florestal "Dr. Luiz Teixeira Mendes", Município de Maringá, PR, Brasil (23º25'S, 51º25'W), com a finalidade de isolar Hyphomycetes.
Luís Fernando Pascholati Gusmão, Rosely Ana Piccolo Grandi   +1 more
doaj   +1 more source

Host Status of Brazilian Native Tree Species to Root‐Knot Nematodes

Forest Pathology, Volume 56, Issue 1, February 2026.
ABSTRACT Root‐knot nematodes (RKN, Meloidogyne spp.) are among the most important plant pathogenic organisms, causing significant damage, with a wide geographical distribution and being difficult to control. The ability of these nematodes to parasitize native trees from Brazilian biomes is little understood.
Ismail Teodoro de Souza Júnior, Rodrigo Ferraz Ramos, Zaida Inês Antoniolli, Vicente Guilherme Handte, Juliano Borela Magalhães, Tiago Edu Kaspary, Cristiano Bellé   +6 more
wiley   +1 more source

USING BARE-ROOT AND ROOTSTOCK SEEDLINGS FROM NATURAL REGENERATION OF CEDRELA FISSILIS [PDF]

CERNE, 2016
ABSTRACT The success of forest creation relies on seedling availability and quality. The aim of this research is to assess the possible use of rootstock and bare-root seedlings of Cedrela fissilis obtained from natural regeneration for direct field planting.
Schroder, Thomas, Zimmermann, Anna Paula Lora, Pereira, Lílian Daniel, Hofiço, Noé dos Santos Ananias, Rocha Júnior, Dilson Sousa, Fleig, Frederico Dimas, Meyer, Evandro Alcir   +6 more
openaire   +4 more sources

Biomass production of tropical trees across space and time: The shifting roles of diameter growth and wood density

Journal of Ecology, Volume 113, Issue 11, Page 3141-3158, November 2025.
Diameter growth is an important and good indicator of forest carbon production. However, size‐related changes in wood density, which are usually neglected, are critical for accurate short‐ and long‐term carbon assessments, especially in tropical humid sites.
Bruna Hornink, Pieter A. Zuidema, Peter van der Sleen, Amy E. Zanne, Gabriel Assis‐Pereira, Daigard Ricardo Ortega Rodriguez, Claudia Fontana, Leif Armando Portal‐Cahuana, Edilson Jimmy Requena‐Rojas, Ana Carolina Maioli Campos Barbosa, Daniela Granato‐Souza, Lucas Guimarães Pereira, Claudio Sergio Lisi, Itallo Romany Nunes Menezes, Alejandro Venegas‐Gonzalez, Nelson Jaén‐Barrios, Fidel A. Roig, Mario Tomazello‐Filho, Peter Groenendijk   +18 more
wiley   +1 more source