Results 31 to 40 of about 1,480 (149)

Ethnopharmacology of Anacardiaceae R. Br. from Northeast Brazil [PDF]

open access: yes, 2023
Species of the Anacardiaceae are commonly used in traditional Brazilian medicine, thus, the aim of this review was to research the species of Anacardiaceae and their respective ethnopharmacological uses in Northeast Brazil.
da Silva, Paulo Henrique   +5 more
core   +2 more sources

FITOSSOCIOLOGIA DE DOIS FRAGMENTOS DE FLORESTA ESTACIONAL SEMIDECIDUAL NO PONTAL DO PARANAPANEMA, SP

open access: yesRevista do Instituto Florestal, 2002
Para efetuar o levantamento fitossociológico do componente arbóreo da floresta em fragmentos remanescentes no Pontal do Paranapanema, adotou-se um método alternativo, na tentativa de reunir os aspectos positivos e eliminar os aspectos negativos de dois ...
Giselda Durigan   +2 more
doaj   +1 more source

Slope variation and population structure of tree species from different ecological groups in South Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2010
Size structure and spatial arrangement of 13 abundant tree species were determined in a riparian forest fragment inParaná State, South Brazil (23"16'S and 51"01'W). The studied species were Aspidosperma polyneuron Müll.
Edmilson Bianchini   +3 more
doaj   +1 more source

Tolerance evaluation and morphophysiological responses of Astronium graveolens, a native brazilian Cerrado, to addition of lead in soil.

open access: yesEcotoxicology and Environmental Safety, 2020
Since the ecosystem is contaminated by lead, decontamination is a difficult and expensive process. Therefore, an alternative would be the use of phytoremediation plants, which have been studied more intensely in recent decades. Astronium graveolens Jacq (Anacardiaceae) is a Cerrado native species and plants of this biome are known to present ...
Araujo, Maycon A.   +3 more
openaire   +3 more sources

Crescimento inicial e nutrição mineral de espécies florestais com potencial econômico sob omissão de nutrientes [PDF]

open access: yes, 2023
Nutritional management is one of the most limiting barriers to forestry development. In this context, the present work aims to establish the effect of liming and omissions of macro and micronutrients on plants development and nutritional status of ...
Augusto Campos, Vinicius   +5 more
core   +2 more sources

Chlorophyll fluorescence of tropical tree species in a semi-deciduous forest gap Fluorescência da clorofila de espécies arbóreas tropicais em uma clareira de floresta semidecídua

open access: yesRevista Árvore, 2004
The characterization of different ecological groups in a forest formation/succession is unclear. To better define the different successional classes, we have to consider ecophysiological aspects, such as the capacity to use or dissipate the light energy ...
Rafael Vasconcelos Ribeiro   +4 more
doaj   +1 more source

La vegetación de Calakmul, Campeche, México: clasificación, descripción y distribución

open access: yesBotan‪ical Sciences, 2002
La región de Calakmul, en el centro de la península de Yucatán, es de gran importancia por contener el área forestal más extensa del trópico mexicano. El objetivo de este trabajo es presentar la clasificación, descripción y distribución espacial de las ...
Esteban Martínez, Carlos Galindo-Leal
doaj   +1 more source

On the Significance of Leaf Sides in Automatic Leaf-based Plant Species Identification [PDF]

open access: yes, 2016
Because the front side of a leaf and the underside are functionally very different – the former captures sunlight to produce photosynthesis and the latter absorbs carbon dioxide and releases oxygen and vapor – they typically have different visual ...
Carranza-Rojas, José   +1 more
core   +1 more source

Pollen Sources for Melipona capixaba Moure & Camargo: An Endangered Brazilian Stingless Bee

open access: yesPsyche: A Journal of Entomology, Volume 2011, Issue 1, 2011., 2011
Pollen samples were collected in three different periods from 11 Melipona capixaba Moure & Camargo hives and analyzed with melissopalynological methodology. A total of 33 pollen types were identified, of which 23 genera and 15 families were identified. The following families showed the highest pollen richness: Fabaceae (7), Myrtaceae (3), Solanaceae (3)
Cynthia Fernandes Pinto da Luz   +6 more
wiley   +1 more source

Evaluaci?n de la composici?n flor?stica, la estructura y la diversidad de tres bosques secos tropicales en el alto Magdalena, departamento del Tolima [PDF]

open access: yes, 2018
80 p. Recurso Electr?nicoSe evalu? la composici?n flor?stica y estructural de tres bosques secos tropicales en el alto Magdalena, ubicados en el sur-oriente (bosque La Flor), centro (bosque El Neme) y norte (bosque la Zorra) del departamento del Tolima ...
Fonseca Pe?a, Lina Mar?a   +1 more
core  

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