Publicações - ciências agrárias
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PESSOA, ALESSANDRA CUNHA;
BALBINOT, LEONARDO CASTILHO;
BALBINOT, LUARA CASTILHO;
WALTER, LETÍCIA SIQUEIRA;
KRATZ, DAGMA;
André Carlos Auler;
NOGUEIRA, ANTONIO CARLOS
Palavra-chave:
Seedling substrate;
Water holding capacity;
Irrigation;
Forestry nursery;
Plant development
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Agronomia; Ciência do Solo; Física do Solo;
CIENCIAS_AGRARIAS; Engenharia Agrícola; Engenharia de Água e Solo; Irrigação e Drenagem
resumo ...
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SANTOS, MISAEL FREITAS DOS;
Afonso Figueiredo Filho;
PELISSARI, ALLAN LIBANIO;
NASCIMENTO, RODRIGO GERONI MENDES;
COSTA, DANIELE LIMA DA
Palavra-chave:
usable volume;
volumetric losses;
hollow diameter prediction;
Amazon Forest
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Mensuração Florestal;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Manejo Florestal; Dendrometria e Inventário Florestal
resumo ...
(en)
The objective of this research was to test selected and validated generic and species-specific equations to estimate three different hollow diameter measurements in native commercial trees from a managed forest in the state of Pará, Brazil. A sample of 4,912 hollow trees, involving 29 species, was used to model the mean hollow diameter at tree level, and another composed of 3,867 hollow trees, belonging to 28 species, was used to model the mean hollow diameter of the first log of the commercial stem and the hollow diameter at the base of the tree. 30% of the two samples were previously randomly separated to validate the equations. The variables diameter at breast height (DBH), commercial height (hc), diameter of the log at the base of the tree (Db) and stem quality (SQ) were used in the modeling. In general, the models showed low adjusted coefficients of determination and the relevant standard errors of estimation. Despite this, validation indicated that the equations could generate accurate estimates. It has been found that it is more efficient, in terms of accuracy, to estimate the mean hollow diameter of the first log of the commercial stem, although it is more practical to estimate the hollow diameter at the base of the tree. Compared to generic equations, specific equations can generate more accurate estimates. Therefore, the hollow diameter in commercial trees can be estimated as a function of variables obtained from the forest inventory, and the best strategy is the use of species-specific equations to estimate the average hollow diameter in the initial portion of the commercial stem.
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Adilson Wandembruck;
Gisley Paula Vidolin;
DANIELA BIONDI
Palavra-chave:
connectivity indices;
forest fragmentation;
conservation unit;
Conefor
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Ecologia e Estudos da Paisagem;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Conservação da Natureza; Recuperação de Areas Degradadas;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Silvicultura; Fisiologia Florestal
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Ronier Felipe da Silva Oliveira;
Nei Sebastião Braga Gomes;
Afonso Figueiredo Filho;
MARCO ANTONIO AMARO;
Thiago Augusto da Cunha;
Felippe Coelho de Souza;
Cleverson Agueiro de Carvalho
SCIENTIA NATURALIS,
v. 6,
n. 2,
p. 862-874,
2024
Palavra-chave:
Curvas de crescimento;
Floresta plantada;
Manejo Florestal;
Amazônia;
Resinagem de árvores
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Silvicultura; Proteção Florestal;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Manejo Florestal; Dendrometria e Inventário Florestal
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A L FILADELPHO;
A L FILADELPHO;
A L FILADELPHO;
André Luis Filadelpho;
A L FILADELPHO;
A L FILADELPHO;
A L FILADELPHO
Palavra-chave:
esofagotomia;
Tamanduá
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Medicina Veterinária; Medicina Veterinária;
CIENCIAS_AGRARIAS; Medicina Veterinária; Animais Selvagens
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SCHNEIDER, CHAIANE RODRIGUES;
Karen Koch Fernandes de Souza;
Dalton Henrique Angelo;
Alexandre Dal Forno Mastella;
Eduardo Abilhoa Mattar;
Alessandro Camargo Angelo;
Alexandre Behling;
Roman Carlos Rios;
Christopher Thomas Blum;
Antonio Aparecido Carpanezzi;
Edinelson José Maciel Neves
Palavra-chave:
facilitating tree species;
atlantic rainforest;
Floresta ombrófila densa;
Especies arboreas nativas;
planície litorànea;
Restauração florestal
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Tecnologia de Alimentos;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Silvicultura; Fisiologia Florestal;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Conservação da Natureza; Recuperação de Areas Degradadas
resumo ...
In order to generate strategies for the use of native species for ecological restoration, this paper presents the effects resulting from planting with facilitating tree species, in different proportions, after 13 years of forest restoration, in an area previously used for cattle buffaloes. The implantation was carried out in the Ombrophilous Dense Forest in the Lowlands, in the Atlantic Rainforest biome of the coastal plain of the state of Paraná and consisted of the plantation of 10 native species, distributed in two treatments: equal (A) and unequal (B) proportions of trees per species. After conducting a forest census, it was identified that the silvicultural expression of the facilitating tree species in the treatments differed significantly, and proportion A contributed to a scenario with greater silvicultural heterogeneity in the areas, which may be beneficial to the evolution of the ecological dynamics of the forest restoration process. In addition, the monitoring of Alchornea glandulosa, Inga edulis, and Myrsine coriacea expressed better development in the area and high resilience to the environmental adversities arising from the cattle ranching activity previously carried out, especially in relation to invasive grasses; therefore, they are recommended for use in the forest restoration of associated ecosystems.
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A L FILADELPHO;
André Luis Filadelpho;
A L FILADELPHO;
A L FILADELPHO;
A L FILADELPHO;
A L FILADELPHO
Palavra-chave:
saude animal;
modelos anatomicos
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Medicina Veterinária; Medicina Veterinária;
CIENCIAS_AGRARIAS; Medicina Veterinária; Diagnóstico por Imagem
resumo ...
(en)
Scientific development often depends on the use of animals, but there is often a lack of awareness about ethical concepts such as animal welfare and the principles of the 3Rs (replace, reduce and improve). It is important to include other thematic content and promote debates to broaden understanding of new teaching methodologies, avoiding misinformation. Innovations in anatomy education include computer-assisted learning, virtual anatomical models, video classes, cadaver preservation techniques, among others that have been emerging to enrich the training of health professionals. Neuroimaging is a well-used resource for diagnosing CNS diseases in medicine and veterinary medicine. Sheep are used as a study model in human neuroanatomy, but research using magnetic resonance imaging (MRI) and computed tomography (CT) in sheep is still scarce. To carry out this study, the brains of 10 sheep, post-mortem, at approximately 5 months of age, were analyzed using MRI and CT images in comparison with sectional anatomy to identify neuroanatomical structures. This material was presented in class to undergraduate veterinary students as an educational dynamic. The results revealed an improvement in teaching, involving researchers and students in the use of diagnostic imaging resources, broadening students' understanding of this area.
(es)
El desarrollo científico depende a menudo de la utilización de animales, pero suele haber un desconocimiento de conceptos éticos como el bienestar animal y los principios de las 3R (sustituir, reducir y mejorar). Es importante incluir otros contenidos temáticos y promover debates para ampliar la comprensión de las nuevas metodologías de enseñanza, evitando la desinformación. Las innovaciones en la enseñanza de la anatomía incluyen el aprendizaje asistido por ordenador, los modelos anatómicos virtuales, las lecciones en vídeo, las técnicas de conservación de cadáveres, entre otras que están surgiendo para enriquecer la formación de los profesionales de la salud. La neuroimagen es un recurso muy utilizado para diagnosticar enfermedades del SNC en medicina y veterinaria. Las ovejas se utilizan como modelo de estudio en neuroanatomía humana, pero la investigación con resonancia magnética (RM) y tomografía computerizada (TC) en ovejas es aún escasa. Para llevar a cabo este estudio, se analizaron los cerebros de 10 corderos post-mortem de aproximadamente 5 meses de edad utilizando imágenes de IRM y TC en comparación con la anatomía seccional para identificar estructuras neuroanatómicas. Este material se presentó en clase a estudiantes universitarios de veterinaria como dinámica educativa. Los resultados revelaron una mejora en la enseñanza, al implicar a investigadores y estudiantes en el uso de recursos de diagnóstico por imagen, ampliando la comprensión de los estudiantes en esta área.
(pt)
O desenvolvimento científico depende muitas vezes do uso de animais, mas frequentemente falta conscientização sobre conceitos éticos, como bem estar animal e os princípios dos 3Rs (substituir, reduzir e aperfeiçoar). Destaca-se a importância de inserir outros conteúdos temáticos e promover debates para ampliar a compreensão de novas metodologias de ensino, evitando a desinformação. Inovações na educação em anatomia incluem aprendizagem assistida por computador, modelos anatômicos virtuais, videoaulas, técnicas de preservação de cadáveres entre outros que vem surgindo, visando enriquecer a formação de profissionais da área da saúde. A neuroimagem é um recurso muito bem utilizado para diagnósticos de doenças do SNC na medicina e na medicina veterinária. Os ovinos são utilizados como modelo de estudo na neuroanatomia humana, entretanto, pesquisas utilizando a ressonância magnética (RM) e a tomografia computadorizada (TC) em ovinos ainda são escassas. Para realização desse estudo foi analisado o encéfalo de 10 ovinos, post mortem, com aproximadamente 5 meses de idade, por imagens de RM e TC em comparação com anatomia seccional para identificar as estruturas neuroanatômicas. Esse material foi apresentado em aula para alunos de graduação de medicina veterinária como uma dinâmica educacional. Os resultados revelaram o aprimoramento do ensino, envolvendo pesquisadores e estudantes no uso de recursos de diagnóstico por imagem, ampliando a compreensão dos alunos nessa área.
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REIS, ALLAN R.N.;
DANIELA BIONDI;
CORTE, ANA PAULA DALLA;
Antonio Carlos Batista;
Daniel Zambiazzi Miller;
IVASKO JÚNIOR, SEVERO
Palavra-chave:
espécie invasora;
floresta urbana;
Índices ecológicos;
serviços ecossistêmicos
resumo ...
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Allan Rodrigo Nunho dos Reis;
DANIELA BIONDI;
Ana Paula Dalla Corte;
Antonio Carlos Batista;
Daniel Zambiazzi Miller;
Severo Ivasko Júnior
Palavra-chave:
floresta urbana;
Índices ecológicos;
serviços ecossistêmicos
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Tecnologia de Alimentos;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Conservação da Natureza; Recuperação de Areas Degradadas;
CIENCIAS_AGRARIAS; Agronomia; Floricultura, Parques e Jardins; Arborização de Vias Públicas
resumo ...
(pt)
Urban forest patches (UFP) face challenges related to climate change and anthropic impacts on natural ecosystems and their biodiversity, mainly due to the presence of invasive exotic species. The objective of this research was to characterize the invasive flora of two urban forest patches located in Curitiba, Paraná. The research was conducted in the Papa João Paulo II and Gutierrez woods, located in Curitiba, Paraná. Ten sample plots of 20x30 m (600 m²) were installed, all individuals with DBH >15 cm were sampled, six in Papa João Paulo II, and four in Gutierrez. A floristic characterization was carried out in each plot, separating native and exotic species. The ecological indices of Shannon-Weaver Diversity, Pielou, Simpson and Jaccard Equability were calculated to quantify vegetation diversity. Floristic analyzes were carried out in an R ambient. Altogether, 546 tree individuals were measured, belonging to 61 species of 31 families. The mean values of the Shannon-Weaver and Pielou indices were higher in Bosque Gutierrez. There was low similarity in floristic composition between sample plots. There were statistically significant differences between the categories of variables, in relation to native and exotic species, and between UFP. The presence of native species still exceeds that of exotic and invasive alien species in both UFP. The exotic invasive species Ligustrum lucidum already has a worrying influence on the ecological sustainability of UFP. The evaluated UFP are going through the process of biotic homogenization in their floristic composition.
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CLEMENTE, RODRIGO CLAUDINO;
SANTIN, DELMAR;
WENDLING, IVAR;
BENEDETTI, ELIZIANE LUIZA;
Motta, Antonio Carlos Vargas;
BARBOSA, JULIERME ZIMMER;
Volnei Pauletti
Palavra-chave:
Fertilidade do solo;
erva-mate
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Agronomia; Ciência do Solo; Fertilidade do Solo e Adubação
resumo ...
ABSTRACT: In Brazil, the optimal dose of phosphorus in the cultivation of yerba mate (Ilex...
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