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Taxonomic issues of the genus Betula [PDF]

Сибирский лесной журнал, 2023
Birch (Betula L.) is a genus of approx. 60 species, subspecies or varieties with a wide distribution in the northern hemisphere. Understanding of systematics and evolution of this taxonomic group is of high practical importance, since most of the genus ...
S. O. Medvedeva, О. E. Cherepanova
doaj   +1 more source

Multicentre, randomised trial of preterm infants receiving caffeine and less invasive surfactant administration compared with caffeine and early continuous positive airway pressure (CaLI trial): study protocol

BMJ Open, 2021
Introduction Respiratory distress syndrome (RDS) or surfactant deficiency occurs primarily in premature infants resulting in composite outcomes of death or bronchopulmonary dysplasia.
Anup C Katheria, Wade Rich, Andrew Hopper, Neil Finer, Ana Morales, Felix Ines, Shandee Hutson, Katherine Coughlin, Anamika Banerji, Cherry Uy, Jane Steen   +10 more
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Umbilical cord milking-benefits and risks

Frontiers in Pediatrics, 2023
The most common methods for providing additional placental blood to a newborn are delayed cord clamping (DCC) and umbilical cord milking (UCM). However, DCC carries the potential risk of hypothermia due to extended exposure to the cold environment in the
Jenny Koo, Hasan Kilicdag, Anup Katheria
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Assessment of the degree of air pollution by fluctuating asymmetry of leaves of various tree species

RUDN Journal of Ecology and Life Safety, 2022
Fluctuating asymmetry of the hanging birch ( Betula pendula Roth), black poplar ( Populus nigra L . ), common ash ( Fraxinus excelsior L . ), common maple ( Acer platanoides L .
Bibigul E. Gubasheva, Guldana Z. Idrissova, Artur N. Tumenov, Ruslan R. Miftakhov   +3 more
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Complex Messages in Long-Term Monitoring of Regal Fritillary (Speyeria idalia) (Lepidoptera: Nymphalidae) in the State of Wisconsin, USA, 1988–2015

Insects, 2017
The regal fritillary (“regal”) (Speyeria idalia) is endangered in Wisconsin, USA, and declining and at risk range-wide. During 1988–2015, we surveyed 24 known regal sites and >100 areas of potential habitat in Wisconsin.
Ann B. Swengel, Scott R. Swengel
doaj   +1 more source

Influence of Copper Oxide Nanoparticles on Gene Expression of Birch Clones In Vitro under Stress Caused by Phytopathogens

Nanomaterials, 2022
Recently, metal oxide nanoparticles (NPs) have attracted attention as promising components for the protection and stimulation of plant microclones in tissue culture in vitro.
Tatiana A. Grodetskaya, Peter M. Evlakov, Olga A. Fedorova, Vyacheslav I. Mikhin, Olga V. Zakharova, Evgeny A. Kolesnikov, Nadezhda A. Evtushenko, Alexander A. Gusev   +7 more
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Maternal bleeding complications following early versus delayed umbilical cord clamping in multiple pregnancies

BMC Pregnancy and Childbirth, 2018
Background In 2015, the American Academy of Pediatrics recommended delayed umbilical cord clamping for at least 30–60 s for all infants. However, there is limited data regarding the maternal safety of delayed cord clamping in multiple pregnancies.
Chayatat Ruangkit, Matthew Leon, Kasim Hassen, Katherine Baker, Debra Poeltler, Anup Katheria   +5 more
doaj   +1 more source

Betula pendula Ssp. distribution and growth in the sub-Carpathian curvature

Romanian Journal of Ecology & Environmental Chemistry, 2021
Birch ssp. in the sub-Carpathians curvature can be found in composition with beech and other resinous species, unevenly distributed from the mountain peaks at around 1200 m down to 500-600, mainly from high hills to depressions at 600m, rarely seen on ...
Lucian Dinca
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Decline of Hesperia ottoe (Lepidoptera: Hesperiidae) in Northern Tallgrass Prairie Preserves

Insects, 2013
We counted butterflies on transect surveys during Hesperia ottoe flight period in 1988–2011 at tallgrass prairie preserves in four states (Illinois, Iowa, Minnesota, Wisconsin), divided into units cross-referenced to vegetation type and management ...
Ann B. Swengel, Scott R. Swengel
doaj   +1 more source

Patterns of Long-Term Population Trends of Three Lupine-Feeding Butterflies in Wisconsin

Diversity, 2018
We monitored consecutive generations of three lupine-feeding specialist butterflies in pine-oak barrens in central Wisconsin, USA: Frosted Elfin (Callophrys irus), Karner Blue (Lycaeides melissa samuelis), and Persius Duskywing (Erynnis persius) during ...
Ann B. Swengel, Scott R. Swengel
doaj   +1 more source