Results 31 to 40 of about 2,431 (190)

Disentangling the Effects of Vapor Pressure Deficit and Soil Water Availability on Canopy Conductance in a Seasonal Tropical Forest During the 2015 El Niño Drought

open access: yesJournal of Geophysical Research: Atmospheres, Volume 126, Issue 10, 27 May 2021., 2021
Abstract Water deficit in the atmosphere and soil are two key interactive factors that constrain transpiration and vegetation productivity. It is not clear which of these two factors is more important for the water and carbon flux response to drought stress in ecosystems.
Yilin Fang   +11 more
wiley   +1 more source

Two dioecious Simarouba species with a specialized pollination system and low reproductive efficacy in Central Brazil

open access: yesRodriguésia, 2022
Several possible correlations between dioecy and eco-morphological features have been suggested to infer the conditions that would favor this sexual system. Dioecy has been associated either with specialized or generalized pollination systems.
Indiara Nunes Mesquita Ferreira   +6 more
doaj   +1 more source

New distribution record of Daceton boltoni Azorsa and Sosa-Calvo, 2008 (Insecta: Hymenoptera) in the Brazilian Amazon [PDF]

open access: yesCheck List, 2011
The presence of Daceton boltoni in Cotriguaçu municipality, state of Mato Grosso, southern Amazon is reported. Workers of D. boltoni were collected manually in nests on the branches of three Caxeta trees (Simarouba amara Aubl.
Ricardo Vicente   +2 more
doaj   +3 more sources

Evidence of the late lignification of the G-layer in Simarouba tension wood, to assist understanding how non-G-layer species produce tensile stress [PDF]

open access: yes, 2015
International audienceTo recover verticality after disturbance, angiosperm trees produce " tension wood " allowing them to bend actively. The driving force of the tension has been shown to take place in the G-layer, a specific unlignified layer of the ...
Abedini   +15 more
core   +3 more sources

Flora of Ceará, Brazil: Simaroubaceae [PDF]

open access: yesRodriguésia
The aim of this study was to carry out a floristic survey and update the distribution of Simaroubaceae species in the state of Ceará, Brazil, as part of the “Flora of Ceará: from Knowledge to Conservation” project.
Ana Brenda Santos Reis   +3 more
doaj   +1 more source

Radial Variations of Vibrational Properties of Three Tropical Woods [PDF]

open access: yes, 2011
International audienceRadial trends of vibrational properties, including the specific dynamic modulus (E'/r) and damping coefficient (tand), were investigated for 3 tropical rainforest hardwood species, Simarouba amara, Carapa procera and Symphonia ...
Alméras, Tancrède   +5 more
core   +2 more sources

Sawdust and fruit residues of Central Amazonian for Panus strigellus spawn’s production Serragem e resíduos de frutos da Amazônia Central para produção de semente-inóculo de Panus strigellus

open access: yesPesquisa Florestal Brasileira, 2012
<p>The objective of this work was to perform a screening of residues of forest species of the Central Amazon to prepare spawn of the edible mushroom Panus strigellus. Sawdust substrates from 11 forest species were tested.
Ruby Vargas-Isla   +2 more
doaj   +1 more source

PARTICLEBOARD PRODUCED WITH CHROMATED COPPER ARSENATE- AND BORATE-TREATED CAIXETA WOOD: A TECHNICAL FEASIBILITY STUDY

open access: yesEngenharia Agrícola, 2021
Brazilian flora has more than 12 thousand tropical wood species, which can be the raw material for the construction industry. Chromated copper borate (CCB) and chromated copper arsenate (CCA) are wood preservative chemicals, which can generate toxic ...
Tiago H. Almeida   +4 more
doaj   +1 more source

Flora das cangas da Serra dos Carajás, Pará, Brasil: Simaroubaceae

open access: yesRodriguésia
Resumo Simaroubaceae está representada na Serra dos Carajás por duas espécies pertencentes a Simaba (S. cedron e S. guianensis) e uma a Simarouba (S. amara).
Marcelo Fernando Devecchi   +1 more
doaj   +1 more source

Estudos de propriedades antitermíticas de extratos brutos de madeira e casca de espécies florestais da Amazônia Central, Brasil Studies on the antitermitic properties of wood and bark crude extracts of forest species from Central Amazonian, Brazil

open access: yesActa Amazonica, 2007
No ramo da preservação de madeira, a eficiência de compostos naturais há muito tem sido avaliada, visando encontrar substâncias que não só aumentem a vida útil de madeiras de baixa durabilidade, mas também causem menor dano ao meio ambiente.
Ana Paula Barbosa   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy