Birch shrub growth in the low Arctic: the relative importance of experimental warming, enhanced nutrient availability, snow depth and caribou exclusion

TJ Zamin, P Grogan - Environmental Research Letters, 2012 - iopscience.iop.org
Deciduous shrub growth has increased across the Arctic simultaneously with recent climate
warming trends. The reduction in albedo associated with shrub-induced'greening'of the …

Behavioural trade‐offs in response to external stimuli: time allocation of an Arctic ungulate during varying intensities of harassment by parasitic flies

LA Witter, CJ Johnson, B Croft, A Gunn… - Journal of Animal …, 2012 - Wiley Online Library
Macroparasites may be a major factor shaping animal behaviour. Tundra ecosystems
inhabited by caribou and reindeer (Rangifer tarandus) are known for large concentrations of …

Community-based vulnerability assessment of Tuktoyaktuk, NWT, Canada to environmental and socio-economic changes

M Andrachuk, B Smit - Regional Environmental Change, 2012 - Springer
Environmental change in the Canadian Arctic has implications for livelihoods, food systems,
infrastructure and Inuit culture. Although Inuit communities are located in industrialized …

Gauging climate change effects at local scales: weather‐based indices to monitor insect harassment in caribou

LA Witter, CJ Johnson, B Croft, A Gunn… - Ecological …, 2012 - Wiley Online Library
Climate change is occurring at an accelerated rate in the Arctic. Insect harassment may be
an important link between increased summer temperature and reduced body condition in …

A data‐driven demographic model to explore the decline of the Bathurst caribou herd

J Boulanger, A Gunn, J Adamczewski… - The Journal of Wildlife …, 2011 - Wiley Online Library
The Bathurst herd of barren‐ground caribou (Rangifer tarandus groenlandicus) in the
Canadian central arctic declined from an estimated 203,800 to 16,400 breeding females …

Caribou exclusion during a population low increases deciduous and evergreen shrub species biomass and nitrogen pools in low A rctic tundra

TJ Zamin, P Grogan - Journal of Ecology, 2013 - Wiley Online Library
Increased shrub growth has been observed across the Arctic with recent climate warming
trends, whilst many populations of caribou and reindeer (Rangifer) have been in decline …

[图书][B] Northern caribou population trends in Canada

A Gunn, D Russell, J Eamer - 2011 - epe.lac-bac.gc.ca
AHIAK HERD Page 1 Northern caribou population trends in Canada A. Gunn,1 D. Russell2 and
J. Eamer3 Canadian Biodiversity: Ecosystem Status and Trends 2010 Technical Thematic …

Experimental warming alters migratory caribou forage quality

TJ Zamin, SD Côté, JP Tremblay… - Ecological …, 2017 - Wiley Online Library
Global declines in caribou and reindeer (Rangifer) populations have drawn attention to the
myriad of stressors that these Arctic and boreal forest herbivores currently face. Arctic …

Distribution of barren‐ground caribou during winter in response to fire

TA Anderson, CJ Johnson - Ecosphere, 2014 - Wiley Online Library
We investigated the influence of past fires on the large‐scale distribution of barren‐ground
caribou (Rangifer tarandus groenlandicus) in the Northwest Territories, Canada, during …

Cold season respiration across a low arctic landscape: the influence of vegetation type, snow depth, and interannual climatic variation

P Grogan - Arctic, Antarctic, and Alpine Research, 2012 - Taylor & Francis
Cold season respiration may significantly affect arctic terrestrial ecosystem annual net
carbon balances. Here, the influences of vegetation type, experimentally deepened snow …