Results 61 to 70 of about 300 (125)

Environmental Factors Influencing Foraging Activity in the Social Wasp Polybia paulista (Hymenoptera: Vespidae: Epiponini)

Psyche: A Journal of Entomology, Volume 2011, Issue 1, 2011., 2011
Foraging behavior in social wasps is important in the development of the colony and reflects an important ecological interaction between the colony and the environment. Although the social traits of the colony play a role in the foraging activities, the conditions that establish the space and time limits are mainly physical.
Naila Cristina de Souza Canevazzi, Fernando Barbosa Noll, James Charles Nieh   +2 more
wiley   +1 more source

Plants and Other Materials Used for Dyeing in the Present Territory of Poland, Belarus and Ukraine according to Rostafiński’s Questionnaire from 1883

Plants, 2023
Background: Traditional dyeing methods are practically forgotten in Poland. Józef Rostafiński included questions on the use of dyes in his ethnobotanical survey from 1883. Methods: 126 questionnaires contained information on dye plants.
Piotr Köhler, Aleksandra Bystry, Łukasz Łuczaj   +2 more
doaj   +1 more source

Morfologia foliar de indivíduos jovens e adultos de Caesalpinia echinata Lam. numa floresta semidecídua do Sul da Bahia Leaf morphology of saplings and adult individuals of Caesalpinia echinata Lam. in a semidecidual forest of Southern Bahia, Brazil

Revista Árvore, 2009
Caesalpinia echinata Lam. (Caesalpiniaceae) é uma espécie arbórea que ocorre naturalmente no interior da floresta e atinge os estratos superiores do dossel por meio de pequenas clareiras. Objetivou-se, neste estudo, comparar alguns aspectos da morfologia
Maria Cristina Sanches, Marcelo Schramm Mielke, Clara Sampaio Dias de Souza, Antonio José Dias Vieira, Márdel Miranda Mendes Lopes, Milton Barbosa da Silva Júnior   +5 more
doaj   +1 more source

Genetic similarity among Caesalpinia echinata trees and their ex situ conservation

International Journal of Biodiversity and Conservation, 2013
Brazilwood (Caesalpinia echinata Lam) is a tree native to the Atlantic rainforest. It has been exploited since the Brazilian colonial period and the remaining natural populations of C. echinata have been reduced to small forest fragments, or are conserved in arboreta and ecological parks.
Fernanda Barbosa Cupertino, Sônia Cristina Oliveira Melo, Ronan Xavier Corrêa   +2 more
openaire   +1 more source

Microsatellite markers for Caesalpinia echinata Lam. (Brazilwood), a tree that named a country [PDF]

Conservation Genetics, 2007
Caesalpinia echinata, commonly known as Pau-brasil (Brazilwood), the famous tree that named Brazil is native to the Atlantic forest. Men extensively exploited it ever since discovery and colonial times due to its value as a source of red dye. As a consequence, Brazilwood is a threatened species with populations reduced to small forest fragments.
Sônia Cristina Oliveira Melo, Fernanda Amato Gaiotto, Fernanda Barbosa Cupertino, Ronan Xavier Corrêa, Alessandra Maria Moreira Reis, Dário Grattapaglia, Rosana Pereira Vianello Brondani   +6 more
openaire   +1 more source

Reserve carbohydrates and lipids from the seeds of four tropical tree species with different sensitivity to desiccation

Brazilian Archives of Biology and Technology, 2010
Considering the importance of water content for the conservation and storage of seeds, and the involvement of soluble carbohydrates and lipids for embryo development, a comparative study was carried out among the seeds of Inga vera (ingá), Eugenia ...
Juliana Iura de Oliveira Mello, Claudio José Barbedo, Antonio Salatino, Rita de Cássia Leone Figueiredo-Ribeiro   +3 more
doaj   +1 more source

Hyphomycetes sobre o folhedo de Caesalpinia echinata Lam. com duas novas citações para o Brasil

Hoehnea
Hyphomycetes são freqüentemente isolados de material vegetal em decomposição participando ativamente da degradação de folhas. Folíolos de Caesalpinia echinata foram coletados em duas áreas no Estado de São Paulo: Parque Municipal do Ibirapuera e Reserva ...
Priscila da Silva, Rosely Ana Piccolo Grandi   +1 more
doaj   +1 more source

Madeiras utilizadas na fabricação de arcos para instrumentos de corda: aspectos anatômicos Anatomical features of woods used in the manufacture of bows for stringed instruments

Acta Botânica Brasílica, 2005
A madeira de pau-brasil (Caesalpinia echinata Lam.) é mundialmente empregada na confecção de arcos para instrumentos de corda, uma vez que apresenta características únicas de ressonância, densidade, durabilidade, beleza, entre outras qualidades, que a ...
Veronica Angyalossy, Erika Amano, Edenise Segala Alves   +2 more
doaj   +1 more source

Six potencial woods for bows of stringed instruments: organoleptic properties, machining and commercial availability. Seis madeiras potenciais para arcos de instrumentos de corda: propriedades organolépticas, trababilidade e disponibilidade comercial. [PDF]

Revista do Instituto Florestal, 2011
In this paper it was investigated the organoleptic properties and machining of six potential woods for bows of stringed instruments and compared the results with those mentioned for the Caesalpinia echinata wood, the reference for modern bows.
Eduardo Luiz LONGUI, Daniel Romeu LOMBARDI, Elenise Segala ALVES   +2 more
doaj  

Population structure and one-year dynamics of the endangered tropical tree species Caesalpinia echinata Lam. (Brazilian red-wood): the potential importance of small fragments for conservation

Rodriguésia
Caesalpinia echinata Lam. an endangered species, occurs in forest fragments of the Cabo Frio region, in Rio de Janeiro, Brazil. Data from four sub-populations were used to describe local population patterns and one-year dynamics. In each subpopulation, 0.
Pablo José Francisco Pena Rodrigues, Rodolfo Cesar Real de Abreu, Eduardo M. B. Barcellos, Haroldo Cavalcante de Lima, Fabio Rubio Scarano   +4 more
doaj   +1 more source