Results 61 to 70 of about 240 (154)

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

Differences in anatomy and potential hydraulic conductivity between root and stem of Caesalpinia echinata Lam. (Fabaceae)

Hoehnea
We investigated the root and stem wood of Caesalpinia echinata Lam. to test the hypothesis that there are anatomical and water conductivity differences between both organs.
Eduardo Luiz Longui, Diego Romeiro, Edenise Segala Alves   +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

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

Constituintes químicos voláteis das flores e folhas do pau-brasil (Caesalpinia echinata, Lam.)

Química Nova, 2004
The volatile constituents obtained from a static cryogenic headspace of Caesalpinia echinata Lam. (Leguminosae) showed E-beta-ocimene as the major compound (57.2%), beside other monoterpenes, C6 derivatives like n-hexanal and (E)-2-hexenal and nitrogen ...
Rezende Claudia M., Corrêa Vivian F. S., Costa Alexsander V. M., Castro Bruno C. S., Alves Ruy J. V.   +4 more
doaj  

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

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  

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

Changes in soluble carbohydrates during storage of Caesalpinia echinata LAM. (Brazilwood) seeds, an endangered leguminous tree from the Brazilian Atlantic Forest

Brazilian Journal of Biology
Caesalpinia echinata seeds stored in laboratory environmental conditions lose their viability in one month whilst under low temperatures germination is maintained for 18 months of storage.
I. S. Garcia, A. Souza, C. J. Barbedo, S. M. C. Dietrich, R. C. L. Figueiredo-Ribeiro   +4 more
doaj   +1 more source

EFFECTS OF NUTRIENT OMISSION IN Caesalpinia echinata PLANTS

, 2016
The objective of this study was to evaluate the growth, the morphological alterations and the mineral composition of brazilwood (Caesalpinia echinata) plants caused by mineral nutrients omission in a green house experiment. The experimental units were distributed in the green house according to a completely random design.
Valeri, Sergio Valiengo, Pizzaia, Luiz Gustavo Ennes, Sá, Ariadne Felício Lopo de, Cruz, Mara Cristina Pessoa da   +3 more
openaire   +1 more source