Results 31 to 40 of about 390 (164)

Globulixanthone F, a New Polyoxygenated Xanthone with an Isoprenoid Group and Two Antimicrobial Biflavonoids from the Stem Bark of

open access: yesNatural Product Communications, 2009
Bioassay-guided fractionation of the stem bark of Symphonia globulifera has yielded three known xanthones, ugaxanthone (1), mbarraxanthone (2) and gentisein (3), two biflavonoid derivatives named GB2 (4) and manniflavanone GB3 (5), and one new ...
Pierre Mkounga   +4 more
doaj   +1 more source

Potential pollinators of understory populations of Symphonia globulifera in the Neotropics.

open access: yesJournal of Pollination Ecology, 2018
One difference between the forest canopy and the understory is that animals pollinate the majority of understory species in the tropical wet forest. Pollinators active in the understory are also different from those in the forest canopy and are adapted ...
Andre Sanfiorenzo   +4 more
doaj   +1 more source

Holocene sea‐level and environmental changes on the Isle of Mull, Scotland

open access: yesJournal of Quaternary Science, Volume 41, Issue 3, Page 400-418, April 2026.
ABSTRACT Sea‐level and coastal changes are reconstructed on the Isle of Mull, western Scotland, from 10 988 to 10 507 cal BP to the present. This research has produced the first SLIP for the Isle of Mull. A multiproxy approach including pollen, spore, foraminifera and diatom analyses reveals palaeoenvironmental changes from two coastal sites.
Katherine A. Selby   +6 more
wiley   +1 more source

Flora das cangas da Serra dos Carajás, Pará, Brasil: Clusiaceae

open access: yesRodriguésia
Resumo Apresentamos o tratamento de Clusiaceae para a flora das cangas da Serra dos Carajás, Pará, Brasil. São reconhecidas três espécies de Clusia: C. nemorosa, C. panapanari e C. aff.
Ana Cláudia Alencar   +1 more
doaj   +1 more source

Beyond species means – the intraspecific contribution to global wood density variation

open access: yesNew Phytologist, Volume 249, Issue 6, Page 2630-2651, March 2026.
Summary Wood density is central for estimating vegetation carbon storage and a plant functional trait of great ecological and evolutionary importance. However, the global extent of wood density variation is unclear, especially at the intraspecific level. We assembled the most comprehensive wood density collection to date, including 109 626 records from
Fabian Jörg Fischer   +105 more
wiley   +1 more source

INTERTEXTUAL DIALOGUE IN PARERGON ZUR SYMPHONIA DOMESTICA BY RICHARD STRAUSS. REFLECTIONS ON 100 YEARS OF MUSICAL HERITAGE

open access: yesStudia Universitatis Babeş-Bolyai. Musica
In the 20th century, as war injuries profoundly affected the future of many young individuals including musicians, a new image of the performing artist emerged: the one-handed pianist. An urgent need arose for a new keyboard repertoire, resulting in the
Linda IANCHIȘ
doaj   +1 more source

The Importance of Literary Sources in the Pictorial Tradition of the Beatus Manuscripts: The Case of Percussion Musical Instruments

open access: yesReligions, 2023
This work carries out a detailed analysis of the context and the reasons that led the illustrators of the Beatus manuscripts to select and represent the two percussion instruments that appear in the illustration of Visio III of the Commentary on the Book
José María Diago Jiménez
doaj   +1 more source

The new Southeast Asian genus Cambonilla gen. nov. (Zodariidae, Araneae): ‘bis repetita placent’

open access: yesEuropean Journal of Taxonomy, 2019
The new genus Cambonilla Jocqué gen. nov. is described on the base of two species, each known from both sexes. A cladistic analysis based on morphology, showed that the new genus is the sister-group of Heliconilla Dankittipakul, Jocqué & Singtripop, 2012
Rudy Jocqué   +4 more
doaj   +1 more source

Plant biodiversity, vegetation structure and provisioning services in rainforest, traditional and industrial oil palm cultivation systems in Liberia, West Africa

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 4, Page 1165-1179, July 2025.
Oil palm is native to the west African forest, where industrial production is expanding. We assessed differences in plant biodiversity, vegetation structure and provisioning services across 54 forest, community agriculture and oil palm plots in Sinoe County, Liberia.
Cicely A. M. Marshall   +11 more
wiley   +1 more source

High Methane Emission From Palm Stems and Nitrous Oxide Emission From the Soil in a Peruvian Amazon Peat Swamp Forest

open access: yesFrontiers in Forests and Global Change, 2022
Tree stems in tropical peat swamp forests are known as considerable methane (CH4) emitters; however, little is known about their carbon dioxide (CO2) and nitrous oxide (N2O) exchange.
Kaido Soosaar   +18 more
doaj   +1 more source

Home - About - Disclaimer - Privacy