Results 51 to 60 of about 22,141 (263)

Periodic expression of Per1 gene is restored in chipmunk liver during interbout arousal in mammalian hibernation

open access: yesScientific Reports
Circadian rhythms play an important role in many physiological processes. We have previously reported that no periodic fluctuation in the Bmal1 mRNA is observed in the liver of the chipmunk, a mammalian hibernator, in the hibernation season, suggesting ...
Erina Nakamaru   +7 more
doaj   +1 more source

Serum immune-related proteins are differentially expressed during hibernation in the American black bear. [PDF]

open access: yesPLoS ONE, 2013
Hibernation is an adaptation to conserve energy in the face of extreme environmental conditions and low food availability that has risen in several animal phyla.
Brian A Chow   +4 more
doaj   +1 more source

Living on the edge: Habitat characteristics of northern myotis at the periphery of its distribution

open access: yesThe Journal of Wildlife Management, EarlyView.
Northern myotis selected tall trees with minimal decay, in patches with other roosting options. In our study area, these trees occurred in narrow bands within an agricultural matrix, differing from contiguous forest at the core of the species' distribution. Nevertheless, bats selected the tallest trees in the densest patches available.
Jacob J. E. Melhuish   +3 more
wiley   +1 more source

Short-Term Estivation and Hibernation Induce Changes in the Blood and Circulating Hemocytes of the Apple Snail Pomacea canaliculata

open access: yesMetabolites, 2023
States of natural dormancy include estivation and hibernation. Ampullariids are exemplary because they undergo estivation when deprived of water or hibernation when exposed to very low temperatures.
Cristian Rodriguez   +2 more
doaj   +1 more source

Historical data reveal earlier flowering under environmental change

open access: yesNordic Journal of Botany, EarlyView.
Global temperatures have risen ~ 1.1°C since the 1800s and the mean annual air temperature in the Arctic has increased by nearly four times the global average. Temperature has a significant effect on fundamental life‐cycle events of flora and fauna. With temperatures increasing, Arctic plants are expected to shift their active periods accordingly, with
Elizabeth Stunz   +2 more
wiley   +1 more source

Community composition, abundance and activity‐density of carabids and staphylinids depend on prey abundance and adjacent habitat even in diverse agricultural landscapes

open access: yesPest Management Science, EarlyView.
Carabid and staphylinid communities are shaped by adjacent habitat type, prey availability and landscape context, influencing natural pest control across agricultural landscapes. Abstract BACKGROUND The functioning of agroecosystems depends on key ecosystem processes that deliver ecosystem services, yet agricultural management has increasingly shifted ...
Riina Kaasik   +5 more
wiley   +1 more source

Optimal body mass-length ratio during hibernation for Emys orbicularis (Linnaeus, 1758) – European Pond Turtle

open access: yesHeliyon, 2021
The aim of this study was to determine optimal body mass/length ratios of Emys orbicularis before hibernation. We obtained 213 measurements of wild-caught and captive-bred turtles during 9 years (2011–2019) and determined regression curves that show ...
Ziegler Carina   +2 more
doaj   +1 more source

The European honey buzzard (Pernis apivorus) as an ally for the control of the invasive yellow‐legged hornet (Vespa velutina nigrithorax)

open access: yesPest Management Science, Volume 81, Issue 4, Page 2237-2247, April 2025.
The predatory effect of the honey‐buzzard affects the reproductive performance of Asian‐hornet colonies, decreasing the density of workers over distance and time. The foraging distances of the honey‐buzzard concentrates within the first 2000 m from nest, which supports the results observed.
Jorge Ángel Martín‐Ávila   +3 more
wiley   +1 more source

Hibernation [PDF]

open access: yes, 2016
Hibernacija je fiziološki fenomen razvijen kao prilagodba homeotermnih organizama na zimske uvjete niske okolišne temperature i manjka hrane. Hibernirajuće životinje pribjegavaju kontoliranoj hipotermiji, što im omogućava sniženje stope metabolizma u ...
Cindrić, Ana
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