Results 71 to 80 of about 52,359 (166)

Basic specific gravity and anatomy of Peltophorum dubium wood as a function of provenance and radial position. Densidade aparente e anatomia da madeira de Peltophorum dubium em função da procedência e posição radial. [PDF]

open access: yesRevista do Instituto Florestal, 2015
We studied the wood of Peltophorum dubium (Spreng.) Taub. (Fabaceae), popularly known in Brazil as canafístula, from two seed provenances with different climates. The trees were planted in a third place and cut when 28 years old.
Israel Luiz de LIMA   +5 more
doaj   +1 more source

Impacts of Hydroelectric Dams on Amazonian Fisheries: Assessing Functional Attributes in the Madeira River

open access: yesRiver Research and Applications, Volume 41, Issue 7, Page 1493-1502, September 2025.
ABSTRACT The Madeira River is one of the main tributaries of the Amazon Basin, supporting over 1300 known fish species. Fisheries in this region play a critical role for riverine populations, serving as a primary source of income and sustenance. In 2011, the construction of the Jirau and Santo Antônio hydroelectric dams (HEDs) was completed along the ...
Ana Laura Monteiro de Souza   +7 more
wiley   +1 more source

Guanandi. [PDF]

open access: yes, 2017
bitstream/item/163849/1/CT-78-Paulo-Ernani-Carvalho ...
CARVALHO, P. E. R.
core  

BioTIME 2.0: Expanding and Improving a Database of Biodiversity Time Series

open access: yesGlobal Ecology and Biogeography, Volume 34, Issue 5, May 2025.
ABSTRACT Motivation Here, we make available a second version of the BioTIME database, which compiles records of abundance estimates for species in sample events of ecological assemblages through time. The updated version expands version 1.0 of the database by doubling the number of studies and includes substantial additional curation to the taxonomic ...
Maria Dornelas   +484 more
wiley   +1 more source

Contribuição ao manejo sustentável do complexo ferruginoso nectandra na floresta nacional de Ibirama, SC Contribution to sustainable forest management of the nectandra ferruginous complex in the Ibirama national forest, SC, Brazil

open access: yesRevista Árvore, 2009
Diante do mercado aberto para a produção de madeiras tropicais, o complexo ferruginoso Nectandra (CFN), formado pelo grupo de espécies Nectandra lanceolata, N. oppositifolia e N.
Fernando Campanhã Bechara   +2 more
doaj   +1 more source

Wood axial characterization of 32-year-old Croton piptocalyx Müll.Arg. Euphorbiaceae. Caracterização axial da madeira de Croton piptocalyx Müll.Arg. Euphorbiaceae com 32 anos de idade. [PDF]

open access: yesRevista do Instituto Florestal, 2017
This paper aims to characterize the wood anatomy of Croton piptocalyx. To carry out an investigation of axial variation, discussing it in a functional context, helping to increase knowledge about the species.
Amanda Aparecida VIANNA   +6 more
doaj   +1 more source

Microlobiusxylon paranaensis gen. et sp. nov. (fabaceae, mimosoideae) from the pliocene-pleistocene of ituzaingó formation, paraná basin, Argentina [PDF]

open access: yes, 2010
A fossil wood with Fabaceae affinity from the Pliocene-Pleistocene sediments of Ituzaingó Formation is described. The silicified wood was collected at the Toma Vieja fossil locality, Paraná Basin, Argentina.
Brea, Mariana, Franco, María Jimena
core   +1 more source

Tree traits are a stronger predictor of bee traits and species richness than taxonomic diversity

open access: yesFunctional Ecology, Volume 39, Issue 1, Page 281-292, January 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Functional traits help to understand biological diversity and the mechanism by which ecological communities are structured and how they respond to the environment. For example, the high tree species diversity within tropical forests can be grouped into a few functional ...
Adrian González‐Chaves   +5 more
wiley   +1 more source

Wood natural resistance of seven forest species to white rot caused by Pycnoporus sanguineus [PDF]

open access: yes, 2012
This research evaluated the natural resistance of: Platanus x acerifolia, Luehea divaricate, Carya illinoinensis, Peltophorum dubium, Araucaria angustifolia, Eucalyptus grandis and Hovenia dulcis, to accelerated decay of the white-rot fungus Pycnoporus ...
Elio José Santini   +5 more
core   +1 more source

VARIAÇÃO LONGITUDINAL DA DENSIDADE BÁSICA DA MADEIRA DE ESPÉCIES DE PINUS TROPICAIS

open access: yesFLORESTA, 2013
O conhecimento das propriedades da madeira é de fundamental importância, pois está associado às diversas formas de transformação e utilização. Nesse contexto, este trabalho busca avaliar a variação longitudinal da densidade básica da madeira de espécies de pinus tropicais. Foram avaliadas sete espécies de pinus tropicais: Pinus caribaea var. bahamensis,
Rosilani Trianoski   +3 more
openaire   +1 more source

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