Results 11 to 20 of about 73,746 (281)

Patterns of Phenolic Compounds in Betula and Pinus Pollen

open access: yesPlants, 2023
In this study, phenolic compounds and their antioxidant activity in the pollen of anemophilous Betula and Pinus were determined. Spectrophotometric, high-performance thin-layer and liquid chromatography methods were applied. Free phenolic compounds (free
Ilona Kerienė   +5 more
doaj   +1 more source

Genome-level analysis of BpR2R3-MYB family genes transcribed in seedlings of Betula platyphylla and BpR2R3-MYB15 enhanced flavonoid production

open access: yesChemical and Biological Technologies in Agriculture, 2022
Background Flavonoids have a wide range of biological activities in plant development, stress resistance and human health, etc. R2R3-MYBs are one of the key elements in regulation of flavonoid production, but their functional importance in Betula ...
Huimin Liu   +3 more
doaj   +1 more source

Phylogenetic relationships in Betula (Betulaceae) based on AFLP markers [PDF]

open access: yes, 2008
The genus Betula comprises various species in boreal and temperate climate zones of the Northern Hemisphere. The taxonomy of Betula is controversial and complicated by parallel evolution of morphological traits, polyploidization events, and extensive ...
Gilissen, L.J.W.J.   +4 more
core   +2 more sources

The evolution of montane vegetation in the eastern sector of the Ayllón massif (Central Mountain Range). Pollen analysis of a core from Pelagallinas peatbog

open access: yesAnales del Jardín Botánico de Madrid, 2001
Pollen and charcoal analyses of a core from Pelagallinas peatbog, located in the Sierra de Alto Rey at the eastern sector of the Central Mountain Range (Guadalajara), show the environmental history of the montane vegetation during the last 4000 years ...
Fátima Franco Múgica   +4 more
doaj   +1 more source

Molecular footprints of the Holocene retreat of dwarf birch in Britain [PDF]

open access: yes, 2014
© 2014 The Authors. Molecular Ecology Published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original ...
Atkinson MD   +14 more
core   +1 more source

A phytosociological survey of the boreal forest (Vaccinio-Piceetea) in North America [PDF]

open access: yes, 1998
A survey of syntaxa of vegetation of North American boreal forests (class Vaccinio-Piceetea) is presented. This phytosociological survey, carried out combining the Braun-Blanquet method with numerical syntaxonomical analyses (cluster and correspondence
Aguirre, J.L.   +2 more
core   +2 more sources

A multiple profile approach to the palynological reconstruction of Norse landscapes in Greenland's Eastern Settlement [PDF]

open access: yes, 2014
Acknowledgments The Leverhulme Trust is thanked for financial support. Gordon Cook provided radiocarbon dates. Thanks are also due to Andy McMullen for botanical identifications and assistance in the field, and to Sikuu Motzfeld for hospitality during ...
Edwards, Kevin J   +2 more
core   +1 more source

Ecophysiological Responses of Northern Birch Forests to the Changing Atmospheric CO2 and O3 Concentrations

open access: yesAsian Journal of Atmospheric Environment, 2012
The effects on birch (Betula spp.) of elevated carbon dioxide (CO2) and ozone (O3), which are both increasing in the troposphere, are surveyed in detail based on the literature.
Korin Kawaguchi   +3 more
doaj   +1 more source

Emerging Urban Forests: Opportunities for Promoting the Wild Side of the Urban Green Infrastructure [PDF]

open access: yes, 2019
Many cities aim to increase urban forest cover to benefit residents through the provision of ecosystem services and to promote biodiversity. As a complement to traditional forest plantings, we address opportunities associated with “emerging urban forests”
Buchholz, Sascha   +5 more
core   +1 more source

A study of fossil plant remains at the archaeological site in Lomilla (Aguilar de Campoo, Palencia, Spain)

open access: yesAnales del Jardín Botánico de Madrid, 2001
The discovery of a site with abundant fossil plant remains in the surroundings of Aguilar de Campoo (Palencia, Spain), dated in the early Holocene, allowed us to obtain new data on the composition of foreste in that área. Two species of Pinus and several
Cristina Alcalde Olivares   +5 more
doaj   +1 more source

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