Results 111 to 120 of about 109,024 (352)

Effects of changing permafrost and snow conditions on tundra wildlife: critical places and times

open access: yesArctic Science, 2017
The change of water phase around 0 °C has considerable impacts on wildlife ecology because liquid and solid water strongly differ in their insulating capability, mechanical resistance, and light reflectance.
Dominique Berteaux   +6 more
doaj   +1 more source

Behavioural responses of a gamebird to human encounters across the hunting season

open access: yesWildlife Biology, EarlyView.
We examined the behavioural adaptation of rock ptarmigan Lagopus muta in response to human encounters across the hunting season. We conducted disturbance experiments in two different parts of the species' range, in subarctic (Iceland) and in alpine (Italy) habitats.
Farina Sooth   +2 more
wiley   +1 more source

Plant phenology and seasonal nitrogen availability in Arctic snowbed communities [PDF]

open access: yes, 2006
Thesis (M.S.) University of Alaska Fairbanks, 2006This study was part of the International Tundra Experiment (ITEX) and examined the effects of increased winter snow depth and decreased growing season length on the phenology of four arctic plant species (
Borner, Andrew P.
core  

Uniform female-biased sex ratios in alpine willows [PDF]

open access: yes, 2012
Premise of the study: The development of biased sex ratios in dioecious plant species has been ascribed to either (1) factors influencing differential adult mortality of male and female plants or (2) factors acting at an early life stage that determine ...
Hik, David S., Myers-Smith, Isla H.
core   +1 more source

Local snow melt and temperature—but not regional sea ice—explain variation in spring phenology in coastal Arctic tundra

open access: yesGlobal Change Biology, 2019
The Arctic is undergoing dramatic environmental change with rapidly rising surface temperatures, accelerating sea ice decline and changing snow regimes, all of which influence tundra plant phenology.
Jakob Johan Assmann   +8 more
semanticscholar   +1 more source

Delineating seasonal shifts in reindeer habitat and diet selection by integrating GPS telemetry and stable isotope analysis

open access: yesWildlife Biology, EarlyView.
Seasonal changes shape herbivore behaviour by altering forage availability and habitat conditions; however, few studies integrate diet and habitat selection data across temporal scales. This study uses seasonality as a unifying framework to combine fine‐scale GPS‐based habitat selection data with broader‐scale dietary information from stable isotope ...
Tamara A. Hiltunen   +4 more
wiley   +1 more source

Preliminary landscape mapping and analys of ecological features of the island of Vaigach

open access: yesRUDN Journal of Ecology and Life Safety, 2013
Selected on the basis of decoding of space pictures and analysis of the published data of natural-territorial complexes provide a first idea of the uniqueness of the landscape of the island of Vaigach. Climate warming will cause first of all the activity
A M Aleynikova
doaj  

The tundra and polar semi-desert landscapes of Banks Island and Prince Patrick Island, Western Canadian Arctic

open access: yesCuadernos de Investigación Geográfica, 2016
Tundra and polar desert environments characterize the islands of the Western Canadian Arctic. Prince Patrick Island is a typical polar semi-desert; Banks Island illustrates the intermixing of polar-desert and tundra environments.
H. M. French
doaj   +1 more source

Changes of Potential Suitable Areas for Lynx Under Climate Change in Mohe Area, Daxing'anling Mountains, China

open access: yesWildlife Letters, EarlyView.
Climate change drives shifts in suitable habitats for Eurasian lynx and its prey (hare, roe deer) in Mohe, Daxing'anling Mountains. Under RCP scenarios, moderate warming (RCP4.5) promotes substantial habitat expansion, while high‐emission conditions (RCP8.5) lead to strong expansion in the 2050s but slower gains and partial contraction by the 2070s ...
Binglian Liu   +5 more
wiley   +1 more source

Solar Radiation Transfer Through a Subarctic Shrub Canopy [PDF]

open access: yes, 2007
Much of the low Arctic is covered with shrubs that are partially buried by snow in winter and become exposed during melt. This study presents measurements and modeling of shortwave radiation reflection and extinction by a deciduous shrub canopy emerging ...
Bewley, D.   +2 more
core   +2 more sources

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