Andrew Ladle
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View article: When the wild things are: Defining mammalian diel activity and plasticity
When the wild things are: Defining mammalian diel activity and plasticity Open
Circadian rhythms are a mechanism by which species adapt to environmental variability and fundamental to understanding species behavior. However, we lack data and a standardized framework to accurately assess and compare temporal activity …
View article: Mammalian predator and prey responses to recreation and land use across multiple scales provide limited support for the human shield hypothesis
Mammalian predator and prey responses to recreation and land use across multiple scales provide limited support for the human shield hypothesis Open
Outdoor recreation is widespread, with uncertain effects on wildlife. The human shield hypothesis (HSH) suggests that recreation could have differential effects on predators and prey, with predator avoidance of humans creating a spatial re…
View article: Recolonization following past persecution questions the importance of persistent snow cover as a range limiting factor for wolverines
Recolonization following past persecution questions the importance of persistent snow cover as a range limiting factor for wolverines Open
Globally, climate is changing rapidly, which causes shifts in many species' distributions, stressing the need to understand their response to changing environmental conditions to inform conservation and management. Northern latitudes are e…
View article: Industrial development alters wolf spatial distribution mediated by prey availability
Industrial development alters wolf spatial distribution mediated by prey availability Open
Increasing resource extraction and human activity are reshaping species' spatial distributions in human‐altered landscape and consequently shaping the dynamics of interspecific interactions, such as between predators and prey. To evaluate …
View article: Testing umbrella species and food-web properties of large carnivores in the Rocky Mountains
Testing umbrella species and food-web properties of large carnivores in the Rocky Mountains Open
Despite criticisms, the umbrella species concept remains a fundamental conservation tool for protecting biodiversity in the face of global change, yet it is rarely tested. Food web theory provides a tool to test both umbrella-species' suit…
View article: Data and R Code from Granados et al. 2023, Mammalian predator and prey responses to recreation and land use across multiple scales provide limited support for the human shield hypothesis, Ecology and Evolution.
Data and R Code from Granados et al. 2023, Mammalian predator and prey responses to recreation and land use across multiple scales provide limited support for the human shield hypothesis, Ecology and Evolution. Open
Data from Granados et al. 2023 Mammalian predator and prey responses to recreation and land use across multiple scales provide limited support for the human shield hypothesis, Ecology and Evolution
View article: Scale and landscape heterogeneity influence the predictive performance of habitat suitability models
Scale and landscape heterogeneity influence the predictive performance of habitat suitability models Open
Resource selection functions (RSF) are used to predict habitat selection in a wide range of taxa for various conservation and management purposes. Although such predictions often cover large geographic areas, the limitations of extrapolati…
View article: Cumulative effects of widespread landscape change alter predator–prey dynamics
Cumulative effects of widespread landscape change alter predator–prey dynamics Open
Predator search efficiency can be enhanced by anthropogenic landscape change, leading to increased predator–prey encounters and subsequent prey population declines. Logging increases early successional vegetation, providing ungulate forage…
View article: Scale And Landscape Heterogeneity Influence The Predictive Performance of Habitat Suitability Models
Scale And Landscape Heterogeneity Influence The Predictive Performance of Habitat Suitability Models Open
Context: Resource selection functions (RSF) are used to predict habitat selection in a wide range of taxa for various conservation and management purposes. Although such predictions often cover large geographic areas, the limitations of ex…
View article: Wolverines (Gulo gulo) in a changing landscape and warming climate: A decadal synthesis of global conservation ecology research
Wolverines (Gulo gulo) in a changing landscape and warming climate: A decadal synthesis of global conservation ecology research Open
Wolverines are vulnerable to multiple, widespread, increasing forms of human activity so have become an indicator of conservation success or failure for northern ecosystems. Logistically difficult to research, the last two decades have see…
View article: Smartphone GPS Locations of Students’ Movements to and from Campus
Smartphone GPS Locations of Students’ Movements to and from Campus Open
For many university students, commuting to and from campus constitutes a large proportion of their daily movement, and therefore it may influence their ability and willingness to spend time on campus or to participate in campus activities.…
View article: Grizzly bear response to spatio‐temporal variability in human recreational activity
Grizzly bear response to spatio‐temporal variability in human recreational activity Open
Outdoor recreation on trail networks is a growing form of disturbance for wildlife. However, few studies have examined behavioural responses by large carnivores to motorised and non‐motorised recreational activity — a knowledge gap that ha…
View article: The role of human outdoor recreation in shaping patterns of grizzly bear-black bear co-occurrence
The role of human outdoor recreation in shaping patterns of grizzly bear-black bear co-occurrence Open
Species' distributions are influenced by a combination of landscape variables and biotic interactions with other species, including people. Grizzly bears and black bears are sympatric, competing omnivores that also share habitats with huma…
View article: Grizzly bear response to linear features and human recreational activity
Grizzly bear response to linear features and human recreational activity Open
A major side-effect of industrial activity is the associated linear-feature footprint and increase in recreational access. Alberta’s threatened grizzly bear (Ursus arctos) populations overlap with a multitude of different potential forms o…
View article: Predictive modelling of ecological patterns along linear‐feature networks
Predictive modelling of ecological patterns along linear‐feature networks Open
Summary Ecological patterns and processes often take place within linear‐feature networks, and this has implications when analysing the spatial configuration of such patterns or processes across a landscape. One such pattern is the use of …