Results 81 to 90 of about 40,409 (198)

Estrutura demográfica e padrão espacial de uma população natural de Araucaria angustifolia (Bertol.) Kuntze (araucariaceae), na Reserva Genética Florestal de Caçador, Estado de Santa Catarina Demographic structure and spatial pattern of Araucaria angustifolia (Bertol.) Kuntze (araucariaceae) population in Santa Catarina

Revista Árvore, 2009
Araucaria angustifolia (Bertol.) Kuntze é considerada espécie ameaçada de extinção, e faltam informações sobre sua ecologia para a elaboração de técnicas eficazes para manejo e conservação.
Giovani Festa Paludo, Adelar Mantovani, Carine Klauberg, Mauricio Sedrez dos Reis   +3 more
doaj   +1 more source

Management Quality Measurement: Using Data Envelopment Analysis (DEA) Estimation Approach for Banks in Brazil [PDF]

While the quality of a bank's management is generally acknowledged to be a key contributor to a financial institutional failure, it is usually not calculated for lack of an objective measure.
Pires Gonçalves, Ricardo
core   +1 more source

Can timber provision from Amazonian production forests be sustainable? [PDF]

, 2019
Around 30 Mm3 of sawlogs are extracted annually by selective logging of natural production forests in Amazonia, Earth's most extensive tropical forest.
Ascarrunz, Nataly, Blanc, Lilian, Carneiro Guedes, Marcelino, Derroire, Géraldine, Descroix, Laurent, d’Oliveira, Marcus Vinicio Neves, Herault, Bruno, Honorio Coronado, Eurídice N., Huth, Andreas, Kanashiro, Milton, Licona, Juan Carlos, Mazzei, Lucas, Peña-Claros, Marielos, Piponiot-Laroche, Camille, Putz, Francis E., Rodney, Ken, Rodrigues de Souza, Cintia, Rutishauser, Ervan, Rödig, Edna, Shenkin, Alexander, Sist, Plinio, Vidal, Edson, West, Thales A.P., Wortel, Verginia   +23 more
core   +4 more sources

First Insights into Brazilian Pine Detection in Open Fields Using YOLOv11 and UAV Data [PDF]

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Araucaria angustifolia (Bertol.) Kuntze, an iconic and endemic species of the Mixed Ombrophilous Forest, plays a key ecological and economic role within the Atlantic Rainforest.
C. F. Mendes, V. Liesenberg, R. Q. Feitosa, P. H. P. Guedes, L. F. Farias, S. V. A. A. E. Silva, H. G. Teodoro, V. M. B. Dabbous, V. L. Waltrick, J. V. Schimalski, M. B. Schimalski   +10 more
doaj   +1 more source

Answers and Solutions [PDF]

, 1983
Answers and solutions for the puzzles in this ...

core   +1 more source

Bats of Hot Springs National Park, Arkansas [PDF]

, 1988
A survey was conducted from June 1982 through January 1987 to determine the occurrence of bat species in Hot Springs National Park, Garland County, Arkansas; an area of approximately 2025 hectares.
Heath, Darrell R., Heidt, Gary A., Saugey, David A., Saugey, Dianne G.   +3 more
core   +2 more sources

Alcatrão ou creosoto de eucalipto na produção de adesivos fenólicos para colagem de madeira Wood adhesives from eucalyptus tar and creosote

Química Nova, 1997
This study has shown that Eucalyptus tar and creosote can be used in phenolic adhesive formulations (resols) for wood products bonding. Some adhesives were prepared substituting 0; 17.7; 35.0 and 67.0% of the phenol by anhydrous tar and 0; 15.0 e 28.5 ...
Alexandre Santos Pimenta, Benedito Rocha Vital, Fred Yukio Fujiwara   +2 more
doaj   +1 more source

Genetic structure of plantations and the conservation of genetic resources of Brazilian pine (Araucaria angustifolia)

Forest Ecology and Management, 2008
Abstract With growing concern about maintenance of genetic variation and conservation of gene resources, the question arises on the extent to which a planted population should be considered a resource able to preserve the gene pool of a species. In this study, levels of genetic diversity were assessed in natural and planted populations of Araucaria ...
Stefenon, Valdir Marcos, Gailing, Oliver, Finkeldey, Reiner   +2 more
openaire   +2 more sources

CLONAL FORESTRY OF Araucaria angustifolia: PLANTS PRODUCED BY GRAFTING AND CUTTINGS CAN BE USED FOR WOOD PRODUCTION1

Revista Árvore, 2017
Araucaria angustifolia (Brazilian Pine or Araucaria) is a potential native species to Brazilian forestry. However, a number of challenges and technical restraints still persist, making difficult its expansion as a species for forest plantations, among ...
Ivar Wendling, Carlos André Stuepp, Delmar Santin, Katia Christiana Zuffellato-Ribas   +3 more
doaj   +1 more source

Aggregation Problems in Estimates of Armington Elasticities and Pass-Through Effects [PDF]

This article examines the level of aggregation problem for which Armington price elasticity of substitution and pass-through effects are usually estimated. On the basis of U.S.
Jorge Chami Batista, Nelson Isaac Abrahão Junior   +1 more
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