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Aboveground activity rhythm in Arctic black-capped marmot (Marmota camtschatica bungei Katschenko 1901) under polar day conditions
Daily aboveground activity of wild black-capped marmots of Yakutia (Marmota camtschatica bungei ) was recorded under 'polar day' conditions at 71°57' N and 127°19' E (north of the Polar Circle). FromExpand
Adaptation of the woolly mammoth Mammuthus primigenius (Blumenbach, 1799) to habitat conditions in the glacial period
An analysis of the available data on the various adaptations of the woolly mammoth to the cryoarid conditions of the Ice Age is presented. Mammuthus primigenius had a set of specificExpand
Myoglobin content in skeletal muscles of hibernating ground squirrels rises in autumn and winter.
The content of myoglobin (Mb) in skeletal muscles of Arctic Yakutian ground squirrel (Citellus undulatus Pallas) was measured in the active euthermic summer and prehibernating autumn animals as wellExpand
Involvement of Some Carrier Proteins in Thermoregulatory Enhancement of Respiration of Mitochondria of the Liver and Skeletal Muscles of Ground Squirrels (Citellus undulatus) Awakening from
† The interest of researchers to the uncoupling effect of fatty acids is largely determined by their involvement in thermogenesis in homoiothermal animals [1]. The molecular mechanisms of action ofExpand
Force-frequency relationship and rest potentiation in papillary muscles of Siberian ground squirrel in the period of preparation to hibernation
activity to hibernation. To date, any published data on the nature of rhythm-inotropic relationship in the myocardium of hibernating animals in this period are completely absent. Experiments wereExpand
43. Global warming and expanding the range of feral conditions in Yakutia – The coldest region of the North-East Asia
In Yakutia, there has long been a number of natural foci of infectious human and animal diseases such as tularemia, anthrax, rabies, brucellosis, leptospirosis and others. The circulation ofExpand
Genetic Diversity in Siberian Crane (Grus Leucogeranus) Based on Mitochondrial DNA D-Loop Polymorphism
The Siberian crane or sterkh ( Grus leucogeranus Pall.) is an endemic of Russia. Its known nesting sites are located in two groups in eastern and western Siberia thousands of kilometers apart. TheExpand
Characteristics of seasonal dynamics of Betula platyphylla Sukacz. Dehydrins associated with frost hardiness development under the cryolitic zone conditions
258 The frost hardiness degree of perennial plants is determined by seasonal cold acclimation and deaccli mation depending on the rhythms of photoperiod and temperature in the habitats. The sharpExpand