Results 31 to 40 of about 468 (90)

Conservação das florestas do projeto de assentamento Benfica, sudeste da Amazônia [PDF]

open access: yes, 2013
In this study we analyze the floristic and structure of forest remnants in Benfica Settlement Project located in the municipality of Itupiranga, in southeastern Amazon.
Coelho, R.D.R.   +2 more
core  

Lipid Oxidation Inhibitory Effects and Phenolic Composition of Aqueous Extracts from Medicinal Plants of Colombian Amazonia [PDF]

open access: yes, 2012
Diverse plants of ethnobotanic interest in Amazonia are commonly used in traditional medicine. We determined the antioxidant potential against lipid peroxidation, the antimicrobial activity, and the polyphenol composition of several Amazonian plants ...
Abad-Garcia   +34 more
core   +5 more sources

Contribución a la flora de las cuencas Juan de Paz y Las Cañas, Reserva de Biosfera Sierra de las Minas (Guatemala). [PDF]

open access: yes, 2000
Debido a que las cuencas Juan de Paz y Las Cañas de la Sierra de las Minas poseen una flora poco conocida, y fruto de las colectas realizadas en 8 localidades de estas cuencas, presentamos un listado de 211 especies reunidas en 166 géneros y 78 ...
Cavero-Remon, R.Y. (Rita Yolanda)   +1 more
core  

Estratégias funcionais das espécies dominantes na sucessão florestal na Amazônia Central [PDF]

open access: yes, 2015
The study of the functions performed by species in plant communities makes an important contribution to understanding the dynamics of communities and their effects on ecosystem functioning.
Fernandes Neto, José Guedes
core  

Florestas secundárias na Amazônia Central: nutrientes foliares de três espécies pioneiras e do solo sob sua influência [PDF]

open access: yes, 2008
Subsistence agriculture and cattle ranching are common land use practices in the Amazon. Since changes in land use affect biogeochemical cycles, the secondary forests that grow after abandonment of such practices develop at varying speeds, due, in part,
Gomes, Ana Carla Serra
core  

Systematics and Biogeography of the Clusioid Clade (Malpighiales) [PDF]

open access: yes, 2011
The clusioids are a clade of flowering plants in the diverse rosid order Malpighiales. It includes five families (i.e., Bonnetiaceae, Calophyllaceae, Clusiaceae sensu stricto, Hypericaceae, and Podostemaceae) that form a conspicuous element of tropical ...
Ruhfel, Brad R.
core   +1 more source

Assessing the potential of tropical secondary forests in the Central Amazon for timber production [PDF]

open access: yes
Sustainable forest management is an important strategy for the conservation of tropical secondary forests. However, knowledge about their potential for timber production is scarce, especially in the Central Amazon.
Alci ALBIERO JUNIOR   +11 more
core   +1 more source

Seasonal dynamics of Amblyomma cajennense (Fabricius, 1787) sensu stricto in a degraded area of the Amazon biome, with notes on Rickettsia amblyommatis infection. [PDF]

open access: yesParasit Vectors, 2023
de Araújo FES   +14 more
europepmc   +1 more source

Associação entre fungos micorrízicos arbusculares e espécies pioneiras em capoeiras na Amazônia Central [PDF]

open access: yes, 2005
Com o aumento progressivo do desmatamento das florestas tropicais, a paisagem acaba cedendo lugar a extensas áreas de capoeiras em estado de abandono. Estudos que auxiliem no entendimento dos processos naturais de recuperação dessas áreas, podem otimizar
Freitas, Rejane de Oliveira
core  

Fluxo de nitrogênio no sistema solo-planta em áreas de sucessão secundária na Amazônia Central [PDF]

open access: yes, 2012
Deforestation implies changes of landscape and land use with direct and indirect effects on climate change and biogeochemical cycles. Particularly, in the Amazon region, advancing agriculture, particularly cattle pasture, it is still primarily ...
Araújo, Vanderlei Borboni Ferreira de
core  

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