Stephen C. Lougheed
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View article: Antagonistic climate-land use change interactions shape future distributions of a temperate snake at the northern range limit
Antagonistic climate-land use change interactions shape future distributions of a temperate snake at the northern range limit Open
Climate change presents a substantial threat to biodiversity, driving shifts in species distributions both independently and through interactions with land use change. In Canada, 77 % of reptile species are considered at risk, especially n…
View article: Extirpation of Lake Sturgeon in an Ontario Lake Following Dam Construction and Watershed Diversion Confirmed by Indigenous Traditional Knowledge and Sedimentary <scp>eDNA</scp>
Extirpation of Lake Sturgeon in an Ontario Lake Following Dam Construction and Watershed Diversion Confirmed by Indigenous Traditional Knowledge and Sedimentary <span>eDNA</span> Open
Damming and water diversions for hydroelectricity, flood control, irrigation, and consumption have had profoundly negative consequences for wildlife, ecosystems, and local peoples globally. The assessment and monitoring of ecological impac…
View article: Understanding Indigenous knowledge of conservation and stewardship before implementing co-production with Western methodologies in resource management: A focus on fisheries and aquatic ecosystems
Understanding Indigenous knowledge of conservation and stewardship before implementing co-production with Western methodologies in resource management: A focus on fisheries and aquatic ecosystems Open
In the face of an increasing global human population and multiple anthropogenic environmental stressors including climate change, the limitations of relying solely on Western science and approaches to mitigating impacts, conserving biod…
View article: The Amphibian Genomics Consortium: advancing genomic and genetic resources for amphibian research and conservation
The Amphibian Genomics Consortium: advancing genomic and genetic resources for amphibian research and conservation Open
Amphibians represent a diverse group of tetrapods, marked by deep divergence times between their three systematic orders and families. Studying amphibian biology through the genomics lens increases our understanding of the features of this…
View article: Complete mitochondrial genomes of Eastern Massasauga (<i>Sistrurus catenatus</i>) and North American Racer (<i>Coluber constrictor</i>)
Complete mitochondrial genomes of Eastern Massasauga (<i>Sistrurus catenatus</i>) and North American Racer (<i>Coluber constrictor</i>) Open
We report the complete mitochondrial genomes of two snake species of conservation concern, Eastern Massasauga ( Sistrurus catenatus ) and North American Racer ( Coluber constrictor ). The mitogenome length is 17,245bp for S. catenatus and …
View article: Enhancing metabarcoding of freshwater biotic communities: A new online tool for primer selection and exploring data from 14 primer pairs
Enhancing metabarcoding of freshwater biotic communities: A new online tool for primer selection and exploring data from 14 primer pairs Open
Freshwater ecosystems are complex, diverse, and face multiple imminent threats that have led to changes in both structure and function. It is urgent that we develop and standardize monitoring tools that allow for rapid and comprehensive as…
View article: Non-invasive biomonitoring of polar bear feces can be used to estimate concentrations of metals of concern in traditional food
Non-invasive biomonitoring of polar bear feces can be used to estimate concentrations of metals of concern in traditional food Open
The Arctic faces increasing exposure to environmental chemicals such as metals, posing health risks to humans and wildlife. Biomonitoring of polar bears ( Ursus maritimus ) can be used to quantify chemicals in the environment and in tradit…
View article: The geographic distribution, and the biotic and abiotic predictors of select zoonotic pathogen detections in Canadian polar bears
The geographic distribution, and the biotic and abiotic predictors of select zoonotic pathogen detections in Canadian polar bears Open
View article: BREEDING BIOLOGY OF THE LOGGERHEAD SHRIKE LANIUS LUDOVICIANUS IN CENTRAL MEXICO
BREEDING BIOLOGY OF THE LOGGERHEAD SHRIKE LANIUS LUDOVICIANUS IN CENTRAL MEXICO Open
The Loggerhead Shrike Lanius ludovicianus has an exceptionally broad distribution in North America, with the southernmost populations found in central Mexico. The species has experienced severe declines throughout its range, and thus, is o…
View article: Nearshore fish diversity changes with sampling method and human disturbance: Comparing eDNA metabarcoding and seine netting along the Upper St. Lawrence River
Nearshore fish diversity changes with sampling method and human disturbance: Comparing eDNA metabarcoding and seine netting along the Upper St. Lawrence River Open
Aquatic ecosystems are deteriorating, with the most impacted species and populations having insufficient data to inform conservation and management. Monitoring aquatic biodiversity and evaluating anthropogenic impacts typically rely on tim…
View article: An assessment of microplastics in fecal samples from polar bears (<i>Ursus maritimus</i>) in Canada's North
An assessment of microplastics in fecal samples from polar bears (<i>Ursus maritimus</i>) in Canada's North Open
We assessed the potential for plastic ingestion in polar bears ( Ursus maritimus (Phipps (1774))) using fecal analysis. Two method studies ensured our protocols could effectively recover and identify plastics in feces. First, microplastics…
View article: Overwintering Behavior and Predation in Common Musk Turtles (Sternotherus odoratus)
Overwintering Behavior and Predation in Common Musk Turtles (Sternotherus odoratus) Open
We studied the overwintering behavior of common musk turtles (Sternotherus odoratus) near the northern edge of the species' range using radiotelemetry. The turtles (n = 6) were found under the ice in winter in shallow (< 2 m) water, above …
View article: Adaptive Advantages of Invasive Mosquitofish Over Native Medaka in a Warmer, Hypoxic World: Comparative Physiological and Transcriptomic Insights
Adaptive Advantages of Invasive Mosquitofish Over Native Medaka in a Warmer, Hypoxic World: Comparative Physiological and Transcriptomic Insights Open
View article: How to barcode (almost all) freshwater biodiversity
How to barcode (almost all) freshwater biodiversity Open
Freshwater ecosystems are complex, diverse and face a variety of imminent threats that have led to changes in both ecosystem structure and function. It is urgent that we develop and standardize monitoring tools allowing for rapid and compr…
View article: Social networks reveal sex- and age-patterned social structure in Butler’s gartersnakes (<i>Thamnophis butleri</i>)
Social networks reveal sex- and age-patterned social structure in Butler’s gartersnakes (<i>Thamnophis butleri</i>) Open
Sex- and age-based social structures have been well documented in animals with visible aggregations. However, very little is known about the social structures of snakes. This is most likely because snakes are often considered non-social an…
View article: A new multiplexed magnetic capture—Droplet digital PCR tool for monitoring wildlife population health and pathogen surveillance
A new multiplexed magnetic capture—Droplet digital PCR tool for monitoring wildlife population health and pathogen surveillance Open
Anthropogenic stressors are exacerbating the emergence and spread of pathogens worldwide. In regions like the Arctic, where ecosystems are particularly susceptible, marked changes are predicted in regional diversity, intensity, and pattern…
View article: A new multiplexed magnetic-capture - droplet digital PCR (ddPCR) tool for monitoring wildlife population health and pathogen surveillance
A new multiplexed magnetic-capture - droplet digital PCR (ddPCR) tool for monitoring wildlife population health and pathogen surveillance Open
Anthropogenic stressors are exacerbating the emergence and spread of pathogens worldwide. In regions like the Arctic where ecosystems are particularly susceptible, marked changes are predicted in regional diversity, intensity, and patterns…
View article: A species-specific digital PCR assay for the endangered blue racer (<i>Coluber constrictor foxii</i>) in Canada
A species-specific digital PCR assay for the endangered blue racer (<i>Coluber constrictor foxii</i>) in Canada Open
The only population of the endangered blue racer ( Coluber constrictor foxii) in Canada occurs on Pelee Island, Ontario. The species is threatened by multiple factors, including habitat degradation and loss, road mortality, persecution, an…
View article: Multiomics Reveals Symbionts, Pathogens, and Tissue-Specific Microbiome of Blacklegged Ticks (Ixodes scapularis) from a Lyme Disease Hot Spot in Southeastern Ontario, Canada
Multiomics Reveals Symbionts, Pathogens, and Tissue-Specific Microbiome of Blacklegged Ticks (Ixodes scapularis) from a Lyme Disease Hot Spot in Southeastern Ontario, Canada Open
As a vector of human health concern, blacklegged ticks ( Ixodes scapularis ) transmit pathogens that cause tick-borne diseases (TBDs), including Lyme disease (LD). Several hot spots of elevated LD risk have emerged across Canada as I. scap…
View article: A 2200-year record of Andean Condor diet and nest site usage reflects natural and anthropogenic stressors
A 2200-year record of Andean Condor diet and nest site usage reflects natural and anthropogenic stressors Open
Understanding how animals respond to large-scale environmental changes is difficult to achieve because monitoring data are rarely available for more than the past few decades, if at all. Here, we demonstrate how a variety of palaeoecologic…
View article: Integrating eDNA and citizen science observations to model distribution of a temperate freshwater turtle near its northern range limit
Integrating eDNA and citizen science observations to model distribution of a temperate freshwater turtle near its northern range limit Open
Background To determine species distributions and the factors underlying them, reliable occurrence data are crucial. Assembling such data can be challenging for species with cryptic life histories or that occur at low densities. Methods We…
View article: Extensive regional variation in the phenology of insects and their response to temperature across <scp>N</scp>orth <scp>A</scp>merica
Extensive regional variation in the phenology of insects and their response to temperature across <span>N</span>orth <span>A</span>merica Open
Climate change models often assume similar responses to temperatures across the range of a species, but local adaptation or phenotypic plasticity can lead plants and animals to respond differently to temperature in different parts of their…
View article: Strong effects of food quality on host life history do not scale to impact parasitoid efficacy or life history
Strong effects of food quality on host life history do not scale to impact parasitoid efficacy or life history Open
View article: Assessing the breeding phenology of a threatened frog species using eDNA and automatic acoustic monitoring
Assessing the breeding phenology of a threatened frog species using eDNA and automatic acoustic monitoring Open
Background Climate change has driven shifts in breeding phenology of many amphibians, causing phenological mismatches ( e.g. , predator-prey interactions), and potentially population declines. Collecting data with high spatiotemporal sensi…
View article: Peer Review #2 of "Assessing the breeding phenology of a threatened frog species using eDNA and automatic acoustic monitoring (v0.1)"
Peer Review #2 of "Assessing the breeding phenology of a threatened frog species using eDNA and automatic acoustic monitoring (v0.1)" Open
Background.Climate change has driven shifts in breeding phenology of many amphibians, causing phenological mismatches (e.g.predator-prey interactions), and potentially population declines.Collecting data with high spatiotemporal sensitivit…
View article: Peer Review #2 of "Assessing the breeding phenology of a threatened frog species using eDNA and automatic acoustic monitoring (v0.2)"
Peer Review #2 of "Assessing the breeding phenology of a threatened frog species using eDNA and automatic acoustic monitoring (v0.2)" Open
Background.Climate change has driven shifts in breeding phenology of many amphibians, causing phenological mismatches (e.g.predator-prey interactions), and potentially population declines.Collecting data with high spatiotemporal sensitivit…
View article: Peer Review #1 of "Assessing the breeding phenology of a threatened frog species using eDNA and automatic acoustic monitoring (v0.2)"
Peer Review #1 of "Assessing the breeding phenology of a threatened frog species using eDNA and automatic acoustic monitoring (v0.2)" Open
Background.Climate change has driven shifts in breeding phenology of many amphibians, causing phenological mismatches (e.g.predator-prey interactions), and potentially population declines.Collecting data with high spatiotemporal sensitivit…
View article: Peer Review #1 of "Assessing the breeding phenology of a threatened frog species using eDNA and automatic acoustic monitoring (v0.1)"
Peer Review #1 of "Assessing the breeding phenology of a threatened frog species using eDNA and automatic acoustic monitoring (v0.1)" Open
Background.Climate change has driven shifts in breeding phenology of many amphibians, causing phenological mismatches (e.g.predator-prey interactions), and potentially population declines.Collecting data with high spatiotemporal sensitivit…
View article: Multi-omics analysis identifies symbionts and pathogens of blacklegged ticks (<i>Ixodes scapularis</i>) from a Lyme disease hotspot in southeastern Ontario, Canada
Multi-omics analysis identifies symbionts and pathogens of blacklegged ticks (<i>Ixodes scapularis</i>) from a Lyme disease hotspot in southeastern Ontario, Canada Open
Ticks in the family Ixodidae are important vectors of zoonoses including Lyme disease (LD), which is caused by spirochete bacteria from the Borreliella ( Borrelia ) burgdorferi sensu lato ( Bbsl ) complex. The blacklegged tick ( Ixodes sca…
View article: A new genomics tool for monitoring Arctic char (Salvelinus alpinus) populations in the Lower Northwest Passage, Nunavut
A new genomics tool for monitoring Arctic char (Salvelinus alpinus) populations in the Lower Northwest Passage, Nunavut Open
Harvesting from admixed populations is a common practice in contemporary fisheries. However, monitoring stock health in such mixed-stock fisheries remains challenging, with accurately identifying stock composition a critical first step. Fo…