Results 111 to 120 of about 7,061 (201)

Natural waters in Amazonia. III. Ammonium molybdate-reactive silica

open access: yes, 1970
Natural waters of the Amazonian Tertiary formations along the Manaus-Itacoatjara Road were studied with respect to variations in average seasonal and yearly soluble silica content.
Brinkmann, W., Dos Santos, A.
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A new Bromeliad (Navia) from Colombia A new Bromeliad (Navia) from Colombia

open access: yesCaldasia, 1944
COLOMBIA: Vaupés: Upper Apaporis Basin, río Apaporis, Cerro del Castillo, alt. ca. 1000 feet (or 300 m.), July 27, 1943, R. E. Schultes 5655 (Gray Herb. TYPE; Dupl. Type in Herb. Nac. Colomb.) .  This new Navia appears most nearly related to N. acaulis but is easily distinguishable by its more numerous and much narrower-Ieaves and smaller flowers ...
openaire   +1 more source

Micropropagação de Aechmea setigera Mart. ex Schult. & Schult. f.: uma bromélia endêmica da Amazônia Ocidental. [PDF]

open access: yes, 2019
As bromélias da Amazônia são em geral pouco conhecidas. Aechmea setigera é uma bromélia endêmica da Amazônia com potencial ornamental. O objetivo do trabalho foi avaliar as respostas fisiológicas sob efeito de reguladores de crescimento nas etapas da ...
FERMINO JUNIOR, P. C. P.   +4 more
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A Simulation Study on the Importance of Size‐related Changes in Leaf Morphology and Physiology for Carbon Gain in an Epiphytic Bromeliad [PDF]

open access: yes, 2017
This study addresses the question of how size‐related changes in leaf morphology and physiology influence light absorption and carbon gain of the epiphytic bromeliad Vriesea sanguinolenta.
REICHLING, PETER   +2 more
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Alternative nutritional solutions for the culture of ornamental bromélias

open access: yesO Mundo da Saúde, 2011
Cultivating ornamental bromeliads has been considered an important strategy for their preservation, because it allows the supply of a greater amount of plants to the market, reducing the use of units proceeding from the natural environment.
Vívian Tamaki   +3 more
doaj  

Bromeliad ornamental species: conservation issues and challenges related to commercialization - doi: 10.4025/actascibiolsci.v34i1.7314

open access: yesActa Scientiarum: Biological Sciences, 2011
Bromeliads grow almost exclusively in the New World tropics and subtropics, mainly in South America in the Brazilian Atlantic Forest (ca. 1200 species). Within the last few decades, their beautiful shapes and colors, low maintenance and easy adaptability
Darcy Mitchell   +2 more
doaj  

A glimpse of the tropics : spiders (Araneae) in the greenhouses of the Botanic Garden Berlin-Dahlem [PDF]

open access: yes, 2010
In a survey of the spider fauna in greenhouses of the Botanic Garden Berlin-Dahlem, 30 spider species were recorded. Two species are new to Europe: Theotima minutissima (Petrunkevitch, 1929) and Heteroonops spinimanus (Simon, 1891). T. minutissima is the
Kielhorn, Karl-Hinrich
core  

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