A mechanistic model of functional response provides new insights into indirect interactions among arctic tundra prey

A Beardsell, D Gravel, J Clermont, D Berteaux… - Ecology, 2022 - Wiley Online Library
Prey handling processes are considered a dominant mechanism leading to short‐term
positive indirect effects between prey that share a predator. However, a growing body of …

Dead-reckoning animal movements in R: a reappraisal using Gundog.Tracks

RM Gunner, MD Holton, MD Scantlebury… - Animal …, 2021 - Springer
Background Fine-scale data on animal position are increasingly enabling us to understand
the details of animal movement ecology and dead-reckoning, a technique integrating motion …

Derivation of predator functional responses using a mechanistic approach in a natural system

A Beardsell, D Gravel, D Berteaux… - Frontiers in Ecology …, 2021 - frontiersin.org
The functional response is at the core of any predator-prey interactions as it establishes the
link between trophic levels. The use of inaccurate functional response can profoundly affect …

Predator-mediated interactions through changes in predator home range size can lead to local prey exclusion

A Beardsell, D Berteaux… - … of the Royal …, 2023 - royalsocietypublishing.org
The strength of indirect biotic interactions is difficult to quantify in the wild and can alter
community composition. To investigate whether the presence of a prey species affects the …

Long-term satellite tracking reveals patterns of long-distance dispersal in juvenile and adult Arctic foxes (Vulpes lagopus)

R Gravel, S Lai, D Berteaux - Royal Society Open …, 2023 - royalsocietypublishing.org
Long-distance dispersal plays a key role in species distribution and persistence. However,
its movement metrics and ecological implications may differ whether it is undertaken by …

How often should dead-reckoned animal movement paths be corrected for drift?

RM Gunner, MD Holton, DM Scantlebury, P Hopkins… - Animal …, 2021 - Springer
Background Understanding what animals do in time and space is important for a range of
ecological questions, however accurate estimates of how animals use space is challenging …

The predator activity landscape predicts the anti‐predator behavior and distribution of prey in a tundra community

J Clermont, A Grenier‐Potvin, É Duchesne… - …, 2021 - Wiley Online Library
Predation shapes communities through consumptive and non‐consumptive effects. In the
latter case, prey respond to perceived predation risk through proactive or reactive risk …

Flyways and migratory behaviour of the Vega gull (Larus vegae), a little-known Arctic endemic

O Gilg, RSA van Bemmelen, H Lee, JY Park, HJ Kim… - PloS one, 2023 - journals.plos.org
Large gulls are generalist predators that play an important role in Arctic food webs.
Describing the migratory patterns and phenology of these predators is essential to …

Garbage consumption by Arctic terrestrial predators in one of the most pristine land areas on Earth

A Gort-Esteve, M Abrham, C Carøe, J Måsviken… - Polar …, 2024 - polarresearch.net
Garbage may cause substantial environmental perturbations, in part because of its
consumption by wildlife. Such consumption may have direct health implications for animals …

Behavioral Island Syndrome and Its Ecological Drivers in the Mednyi Island Arctic Fox Population

ME Goltsman, EP Kruchenkova, LO Doronina - Biology Bulletin Reviews, 2024 - Springer
There is a change in many features of biology in reptiles, birds, and mammals (inhabitants of
oceanic islands), which is called “island syndrome.” The behavioral aspect of these changes …