Felipe Dargent
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View article: A novel integrated framework to identify and characterize regional-scale pest insect dispersal
A novel integrated framework to identify and characterize regional-scale pest insect dispersal Open
Forest pest insects cause major socio-economic impacts, global losses of millions of dollars, and ecosystem changes. A key challenge for their management is tracing regional dispersal events critical to outbreak dynamics. We developed an i…
View article: An ensemble machine learning bioavailable strontium isoscape for Eastern Canada
An ensemble machine learning bioavailable strontium isoscape for Eastern Canada Open
Bioavailable strontium isotope ratios ( 87 Sr/ 86 Sr) distribution across the landscape mainly follow the underlying lithology, making 87 Sr/ 86 Sr baseline maps (isoscapes) powerful tools for provenance studies. 87 Sr/ 86 Sr has already b…
View article: Characterizing eastern spruce budworm’s large-scale dispersal events through flight behavior and stable isotope analyses
Characterizing eastern spruce budworm’s large-scale dispersal events through flight behavior and stable isotope analyses Open
Eastern spruce budworm moth ( Choristoneura fumiferana (Clem.)) mass outbreaks have widespread economic and ecological consequences. A key explanation for the large-scale spread and synchronization of these outbreaks is the long-distance d…
View article: Metals and metal isotopes incorporation in insect wings: Implications for geolocation and pollution exposure
Metals and metal isotopes incorporation in insect wings: Implications for geolocation and pollution exposure Open
Anthropogenic activities are exposing insects to elevated levels of toxic metals and are altering the bioavailability of essential metals. Metals and metal isotopes have also become promising tools for the geolocation of migratory insects.…
View article: Metals and metal isotopes in insect wings: Implications for diet, geolocation and pollution exposure
Metals and metal isotopes in insect wings: Implications for diet, geolocation and pollution exposure Open
Anthropogenic activities are exposing insects to abnormal levels of toxic metals, with unknown implications for migratory insects. Simultaneously, metals and metal isotopes have become promising tools for the geolocation of migratory insec…
View article: Characterizing Eastern spruce budworm’s large-scale dispersal events through flight behavior and stable isotope analyses
Characterizing Eastern spruce budworm’s large-scale dispersal events through flight behavior and stable isotope analyses Open
Eastern spruce budworm moth ( Choristoneura fumiferana (Clem.)) mass outbreaks have widespread economic and ecological consequences. A key explanation for the large-scale spread and synchronization of these outbreaks is the long-distance d…
View article: Parasite infection leads to widespread glucocorticoid hormone increases in vertebrate hosts: A meta‐analysis
Parasite infection leads to widespread glucocorticoid hormone increases in vertebrate hosts: A meta‐analysis Open
Parasites and pathogens (hereafter parasites) commonly challenge organisms, but the extent to which their infections are physiologically stressful to hosts remains unclear. Importantly, vertebrate hormones, glucocorticoids (GCs), have been…
View article: Demasculinization of male guppies increases resistance to a common and harmful ectoparasite
Demasculinization of male guppies increases resistance to a common and harmful ectoparasite Open
SUMMARY Parasites are detrimental to host fitness and therefore should strongly select for host defence mechanisms. Yet, hosts vary considerably in their observed parasite loads. One notable source of inter-individual variation in parasiti…
View article: Parting ways: parasite release in nature leads to sex‐specific evolution of defence
Parting ways: parasite release in nature leads to sex‐specific evolution of defence Open
We evaluated the extent to which males and females evolve along similar or different trajectories in response to the same environmental shift. Specifically, we used replicate experimental introductions in nature to consider how release fro…
View article: Do gynogenetic species escape evolving enemies?
Do gynogenetic species escape evolving enemies? Open
Gynogenetic organisms are asexual females of one species that require sperm from males of another species to initiate reproduction (but except in rare instances of ‘paternal leakage’, those sperm do not contribute to the genetic make-up of…