Results 31 to 40 of about 11,541 (176)

Phyllogenesis of genus Betula L. according to the paleobotanic data

open access: yesІнтродукція Рослин, 2001
On a grounds of analysis of the paleobotanic investigations a wide prevalent of the genus Betula in time of previous geological periods is discovered. The development of the genus Betula began in top chalk period and lower eocensis.
L.I. Parkhomenko
doaj   +1 more source

Vegetation responses to interglacial warming in the Arctic: examples from Lake El'gygytgyn, Far East Russian Arctic [PDF]

open access: yesClimate of the Past, 2013
Preliminary analyses of Lake El'gygytgyn sediment indicate a wide range of ecosystem responses to warmer than present climates. While palynological work describing all interglacial vegetation is ongoing, sufficient data exist to compare recent warm ...
A. V. Lozhkin, P. M. Anderson
doaj   +1 more source

Farming in the shadows of Rome: A multi‐proxy palaeoenvironmental record from Loch Clunie—Perthshire

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Roman impacts on local society is a subject of international significance. Loch Clunie, Perthshire, lies only 5.4 km from Inchtuthil, the only Roman legionary fortress in Scotland, and contains two crannogs and a probable lakeside hillfort. Despite this proximity and the likelihood of local–Roman interaction, these sites remain unexcavated ...
Samantha E. Jones   +6 more
wiley   +1 more source

The variation of the onset of Betula pendula (Roth.) flowering in Rzeszów, SE Poland: fluctuation or trend?

open access: yesActa Agrobotanica, 2016
The global rise in air temperature has major implications for ecosystems, populations, ecology of many living organisms, public health as well as economy.
Idalia Kasprzyk
doaj   +1 more source

The complete chloroplast genome of Betula costata (Betulaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2020
In the present study, we analyzed the complete chloroplast genome sequence of Betula costata using the Ion Torrent platform. The chloroplast genome of B.
Min Woo Lee   +3 more
doaj   +1 more source

Late Holocene environmental history of Dojran, Macedonia: Investigating the interplay of imperial dynamics and climatic change

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT This study presents a high‐resolution, multi‐proxy reconstruction of environmental and land‐use change from Lake Dojran over historical times (last 2500 years), combining pollen, biomarkers, radiocarbon dating, Ottoman taxation records and other historical data.
Alessia Masi   +15 more
wiley   +1 more source

Impact of Tree Pollen Distribution on Allergic Diseases in Serbia: Evidence of Implementation of Allergen Immunotherapy to Betula verrucosa

open access: yesMedicina, 2020
Background and objectives: The relationship between air pollen quantity and the sensitization of allergic patients is crucial for both the diagnosis and treatment of allergic diseases.
Rajna Minić   +8 more
doaj   +1 more source

Alpine flora of Kashmir Himalaya: floristic assessment, life history traits and threat status

open access: yesNordic Journal of Botany, EarlyView.
Alpine ecosystems in the Himalaya are considered to be at a higher risk to anthropogenic global change drivers. The Kashmir Himalaya, located in the north‐western side of the Himalayan biodiversity hotspot, harbors a diverse alpine flora, which remains systematically little investigated.
Bilal A. Rasray   +5 more
wiley   +1 more source

Geographical distribution of Betula humilis Schrank in Ukraine

open access: yesІнтродукція Рослин, 2004
The map of Betula humilis Schrank distribution was formed as a result of the analysis of herbarium samples and literature data. The regressive changes in the area of the species are determined.
V.I. Melnik, L.A. Savchuk
doaj   +1 more source

Between birch and berries: seasonal dietary niche partitioning among sympatric alpine herbivorous birds

open access: yesOikos, EarlyView.
Niche partitioning is important for the coexistence of closely related species, allowing species to reduce overlap in resource use despite shared ecological requirements. In alpine environments, harsh climatic conditions and low habitat complexity constrain opportunities for ecological segregation, making seasonal resource fluctuation especially ...
Saria Sato‐Bajracharya   +6 more
wiley   +1 more source

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