Results 11 to 20 of about 390 (164)

Trypanocidal Effects of Polyprenylated Benzophenone Enriched Brazilian Red Propolis Extract and Its Isolated Constituent. [PDF]

open access: yesChem Biodivers
In vitro trypanocidal activity of a polyprenylated benzophenone‐enriched Brazilian red propolis extract (SEBz) and its major constituents, guttiferone E/xanthochymol (GUT/XAN) and oblongifolin B (OBL), exhibit in vitro trypanocidal activity against Trypanosoma cruzi, inducing ultrastructural damage with moderate cytotoxicity and no significant ...
Oliveira ND   +9 more
europepmc   +2 more sources

More Choosy for Minor Foods: Diet, Seasonality and Food Selection in Sympatric Frugivorous and Folivorous Lemurs. [PDF]

open access: yesEcol Evol
Primates are deliberate and intelligent foragers and are presumed to select foods that maximize their fitness, yet little is known about the actual rules of food selection based on the nutritional chemistry of those foods, and less is known about how sympatric primates differ.
Irwin MT   +6 more
europepmc   +2 more sources

The Musicality of the Triune God in Selected Medieval Writings

open access: yesWrocławski Przegląd Teologiczny, 2023
The ineffable mystery of the Holy Trinity has always represented a complex challenge for authors and theologians wishing to express meaningful truths about it through words.
Chiara Bertoglio
doaj   +1 more source

Estimation of contemporary effective population size in plant populations: Limitations of genomic datasets. [PDF]

open access: yesEvol Appl
Abstract Effective population size (Ne) is a pivotal evolutionary parameter with crucial implications in conservation practice and policy. Genetic methods to estimate Ne have been preferred over demographic methods because they rely on genetic data rather than time‐consuming ecological monitoring.
Gargiulo R   +9 more
europepmc   +2 more sources

Unlocking Tropical Forest Complexity: How Tree Assemblages in Secondary Forests Boost Biodiversity Conservation. [PDF]

open access: yesEcol Evol
Secondary forests are crucial for achieving COP15/16 conservation goals. An operational national approach was developed to identify and characterise forest ecosystems based on the dominant tree species in the canopy, serving as indicators for ecosystem extent and condition.
Souza Oliveira M   +13 more
europepmc   +2 more sources

Wet Season Environments Drive Local Adaptation in the Timber Tree Dicorynia guianensis in French Guiana. [PDF]

open access: yesMol Ecol
ABSTRACT The vast tropical rainforests of the Guiana Shield in Northern South America play a vital role in maintaining the region's ecological balance and economy. Increasing pressure from selective logging, gold mining and climate variability threatens these ecosystems. Sustainable rainforest management requires understanding the genetic diversity and
Bonnier J   +8 more
europepmc   +2 more sources

Widespread introduced species dominate the urban tree assemblage on the endemic-rich tropical island of São Tomé. [PDF]

open access: yesEcol Evol
Afrotropical cities are growing rapidly but how this impacts biodiversity is largely unclear. Our study on São Tomé Island, Central Africa, reveals that the urban tree assemblage is impoverished and dominated by introduced species, while the natural forest is essential for the protection of native and endemic species.
Strauß L   +12 more
europepmc   +2 more sources

Symphonia undefined-a

open access: yes, 2022
[381] Symphonia sp. A VERNACULAR NAMES. — Pa: ti-wašiunu. HERBARIUM DATA (FG). — 54 collections at CAY. Sel. exs.: M.-F. Prévost 3527. INVENTORY DATA (FG). — 907 trees in 162 plots; Fmax = 4.2 %; dbhinv = 83 cm.
Molino, Jean-François   +10 more
openaire   +4 more sources

Anatomia de madeira. Guttiferae [PDF]

open access: yesActa Amazonica, 1974
Sinopse Foram analisadas as madeiras de trinta e três espécies de Guttiferae brasileiras, 28 das quais da Amazônia. As espécies em apreço pertencem aos seguintes gêneros: Caraipa, Calophyllum, Clusia, Haploclathra, Kielmeyera, Lorostemon, Mahurea ...
José Elias de Paula
doaj   +1 more source

Estômatos de Guttiferae. Estudo morfológico, dimensional e quantitativo [PDF]

open access: yesActa Amazonica, 1974
RESUMO Estudo morfológico, dimensional e quantitativo dos estômatos de trinta e sete espécies de Guttiferae, com vista à Taxonomia, sendo 26 da Amazônia, 10 extra-amazônicas e 1 introduzida e aclimatada no Brasil (Garcinia mangostana L.).
José Elias de Paula
doaj   +1 more source

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