Results 241 to 250 of about 120,695 (289)

Micro‐habitat selection by boreal woodland caribou improves access to food

Wildlife Biology, EarlyView.
Bio‐logging sensors attached to radiotelemetry receivers have great potential to transform our understanding of the ecological, physiological, and energetic constraints that shape patterns of wildlife movement under field conditions. We used video camera collars to assess microhabitat selectivity by woodland caribou Rangifer tarandus in boreal forests ...
Ian D. Thompson, Philip A. Wiebe, Arthur R. Rodgers, Douglas Reid, James A. Baker, Brent R. Patterson, Eric McNeill, Romain Dejeante, John M. Fryxell   +8 more
wiley   +1 more source

Quantifying microhabitat selection of snowshoe hares using forest metrics from UAS‐based LiDAR

Wildlife Biology, EarlyView.
Identifying the spatial and temporal scale at which animals select resources is critical for predicting how populations respond to changes in the environment. The spatial distribution of fine‐scale resources (e.g. patches of dense vegetation) are often linked with critical life‐history requirements such as denning and feeding sites.
Alexej P. K. Sirén, Franklin Sullivan, Rachel Cliché, Jeremy Goetz, Leighlan S. Prout, Jillian Kilborn, Katelyn Courtot, Michael Palace   +7 more
wiley   +1 more source

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

Wildlife 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, Sami M. Kivelä, Jouko Kumpula, Jouni O. Aspi, Jeffrey M. Welker   +4 more
wiley   +1 more source

Parturition timing and the pre‐ and post‐partum behaviour of female moose assessed using animal‐borne video and movement‐based approaches

Wildlife Biology, EarlyView.
Limited information on moose calving behaviour, including parturition timing, cow‐calf interactions, and pre‐ and post‐partum movement patterns hinder our ability to define calving phenology and habitat use. GPS‐collars were deployed on 89 female moose over five years, including eight collars equipped with animal‐borne video and environmental data ...
Mikaela Borgeaud LeBlanc, Manuelle Landry‐Cuerrier, Vincent Brodeur, Murray M. Humphries   +3 more
wiley   +1 more source

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Boreal Forests and Tundra

Water, Air, & Soil Pollution, 1993
The circumpolar boreal biomes cover ca. 2 109 ha of the northern hemisphere and contain ca. 800 Pg C in biomass, detritus, soil, and peat C pools. Current estimates indicate that the biomes are presently a net C sink of 0.54 Pg C yr-1. Biomass, detritus and soil of forest ecosystems (including ca. 419 Pg peat) contain ca.
M. J. Apps, W. A. Kurz, R. J. Luxmoore, L. O. Nilsson, R. A. Sedjo, R. Schmidt, L. G. Simpson, T. S. Vinson   +7 more
openaire   +1 more source

Boreal forests on fire - Decadal wildfire impacts on boreal forest microclimate

2023
Wildfire is the most important disturbance agent in boreal forests. These disturbances play a major role in the boreal forest carbon cycle. They lead to direct CO2 and CH4 emissions during the active fire phase and to long-lasting post-fire impacts on net CO2 and CH4 fluxes through changes in forest structure and in microclimatic conditions.
Manuel Helbig, Lilly Daw
openaire   +1 more source

Boreal Forest and Forest Fires

2020
Boreal forest has played a role as sink of atmospheric CO2 due to the slow growth of black spruce; however, changes in source of atmospheric CO2 by forest fires and recent warming have significantly triggered modulation in physiological ecology and biogeochemistry over the boreal forest of Alaska.
Yongwon Kim, Hideki Kobayashi, Shin Nagai, Masahito Ueyama, Bang-Yong Lee, Rikie Suzuki   +5 more
openaire   +1 more source

Boreal Forest, Canada

2012
The vast expanse of the boreal forest in Canada is home to a diversity of wide-ranging animals, from migratory land birds and waterfowl to the largest caribou herds in the world. Boreal ecosystems are likely to experience dramatic changes in this century, particularly through anticipated alteration in vegetation and wildfire regimes as a result of the ...
Meg Krawchuk, Kim Lisgo, Shawn Leroux, Pierre Vernier, Steve Cumming, Fiona Schmiegelow   +5 more
openaire   +1 more source

The boreal forests and climate

Quarterly Journal of the Royal Meteorological Society, 1992
AbstractThe sensitivity of modelled northern hemisphere climate to modification of the snow‐covered surface albedo is investigated using the United Kingdom Meteorological Office (UKMO) general circulation model (GCM). the UKMO GCM is a global, primitive‐equation model with 11 layers in the atmosphere.
G. Thomas, P. R. Rowntree
openaire   +1 more source