A5033978757- Wildlife Ecology and Conservation
- Animal Behavior and Reproduction
- Species Distribution and Climate Change
- Animal Ecology and Behavior Studies
- Bat Biology and Ecology Studies
- Avian ecology and behavior
- Physiological and biochemical adaptations
- Ecology and Vegetation Dynamics Studies
- Plant and animal studies
- HIV, Drug Use, Sexual Risk
- Economic and Environmental Valuation
- Indigenous Studies and Ecology
- Primate Behavior and Ecology
- HIV/AIDS Research and Interventions
- Library Science and Administration
- Library Science and Information Literacy
- Genetic diversity and population structure
- Web and Library Services
- Career Development and Diversity
- Mentoring and Academic Development
- Demographic Trends and Gender Preferences
- LGBTQ Health, Identity, and Policy
- Environmental Education and Sustainability
- Climate Change Communication and Perception
- Optics and Image Analysis
Colorado State University
2019-2024
University of California, Davis
2011-2024
Rocky Mountain Biological Laboratory
2018-2024
University of Oregon
2019-2020
Cascade (United States)
2019
University of Michigan
2019
New Mexico State University
2015-2018
The slow–fast continuum is a commonly used framework to describe variation in life-history strategies across species. Individual life histories have also been assumed follow similar pattern, especially the pace-of-life syndrome literature. However, whether explains among individuals within population remains unclear. Here, we formally tested for presence of both populations and species using detailed long-term individual-based demographic data 17 bird mammal with markedly different...
The timing of life events (phenology) can be influenced by climate. Studies from around the world tell us that climate cues and species' responses vary greatly. If variation in effects on phenology is strong within a single ecosystem, change could lead to ecological disruption, but detailed data diverse taxa ecosystem are rare. We collated first sighting median activity high-elevation environment for plants, insects, birds, mammals an amphibian across 45 years (1975–2020). related 10 812...
Elephant populations across much of Africa face severe rates decline due to poaching and habitat loss. The recent decision by the International Union for Conservation Nature (IUCN) separately list African forest (Loxodonta cyclotis) savanna (L. africana) elephants on IUCN Red List both highlights different threats extinction faced these two species emphasizes need genetic data classify taxonomically undefined continent. This includes western Uganda - a region that harbors largest known...
Abstract Interspecific hybridization is recognized as an important process in the evolutionary dynamics of both speciation and reversal speciation. However, our understanding spatial temporal patterns that erode versus promote species boundaries incomplete. The endangered, endemic koloa maoli (or Hawaiian duck, Anas wyvilliana ) thought to be threatened with genetic extinction through ongoing introduced congener, feral mallard ( A. platyrhynchos ). We investigated variation hybrid prevalence...
Abstract Mammals that cope with harsh environmental conditions by hibernating show seasonal variation in body mass, as fat reserves are accumulated during summer and depleted winter. In species, pre-hibernation mass is often considered a key phenotypic trait can influence future survival reproductive success—yet we know little about how seasonality affect mass. We used 30 years of demographic data from high-elevation population golden-mantled ground squirrels (Callospermophilus lateralis) to...
There are significant psychological, social, and cultural dimensions to the HIV epidemic in United States, especially among lesbian, gay, bisexual, transgender, queer (LGBTQ) communities. Biomedical treatment has been shown impact these dimensions. However, there is little understanding of real-world psychosocial sociocultural effects latest biomedical prevention strategy, pre-exposure prophylaxis (PrEP). This study explored PrEP use LGBTQ adults. We interviewed 23 adults who were current or...
Abstract An increasing number of empirical studies aim to quantify individual variation in demographic parameters because these patterns are key for evolutionary and ecological processes. Advanced approaches estimate heterogeneity now using a multivariate normal distribution with correlated random effects account the latent correlations among different occurring within individuals. Despite frequent use mixed models, we lack an assessment their reliability when applied Bernoulli variables....
Population monitoring is critical to effective conservation, but forest living taxa can be difficult directly observe. This has been true of African elephants (Loxodonta cyclotis), for which we have limited information regarding population size and social behavior despite their threatened conservation status. In this study, estimated demographic parameters using genetic capture-recapture in the southern Industrial Corridor Gamba Complex Protected Areas southwestern Gabon, considered a global...
Abstract Sex allocation theory predicts that mothers should bias investment in offspring toward the sex yields higher fitness returns; one such may be a skewed ratio. is well-studied birds with cooperative breeding systems, on local resource enhancement and production of helpers at nest, but little theoretical or empirical work has focused brood parasitic systems. Wood ducks (Aix sponsa) are conspecific parasite, rates parasitism appear to increase density. Because female wood show high...
Abstract Dispersal is common in mammals and can have an important role shaping demography, genetics, distribution, social structure. entails potential costs but also benefits, the dispersal decision thought to be conditional; disperser assesses prospects for success at its current location disperses improve fitness. However, benefits of dispersal, as well factors influencing decision, are not known. We used trapping observation study Golden-mantled Ground Squirrel (Callospermophilus...
Abstract Reproduction is thought to be costly for female mammals due high energetic costs associated with pregnancy and lactation. Such of reproduction can particularly younger females, who are less experienced smaller than fully grown adults, manifest themselves within (intra‐individual or intra‐generational trade‐offs) between (inter‐generational generations. Using lifetime survival reproductive histories 416 golden‐mantled ground squirrels ( Callospermophilus lateralis ) in Colorado, USA...
Weaving the future of field comparative psychology is dependent on career advancement early-career scientists. Despite concerted efforts to increase diversity in science, technology, engineering, and mathematics, scholars from marginalized groups are disproportionately underrepresented field-especially at advanced stages. New approaches sponsorship, mentoring, community building necessary retain talent communities create a culture system where all individuals can thrive. We describe unique...
In hibernating squirrels, the amount of energy stored as fat may influence several important demographic traits, but is difficult to quantify in living animals. Thus, non-destructive indices body condition are used, including simple that use mass and scaled correct for structural size. However, accuracy these squirrels poorly known. We used measurements total electrical conductivity (TOBEC) from adult female Golden-mantled Ground Squirrels (Callospermophilus lateralis) characterize...
Abstract For short‐lived species, selection for early reproduction should be strong, yet females often delay their first reproductive bout. Delay in age of due to developmental constraints, such as food availability, or social the inhibitory presence breeding adults, has been documented mammals, but effects on asocial species are less well known. We evaluated influence and factors a short‐lived, golden‐mantled ground squirrel ( Callospermophilus lateralis ). found that who reproduced...
Maternal characteristics, social dynamics, and environmental factors can all influence reproduction survival shape trade-offs that might arise between these components of fitness. Short-lived mammals like the golden-mantled ground squirrel (GMGS; Callospermophilus lateralis) tend to maximize effort toward current at expense but may be complicated by other aspects species' life history environment. Here, we use 25 years data (1995-2020) collected from a population GMGS Rocky Mountain...
Modern genetic parentage methods reveal that alternative reproductive strategies are common in both males and females. Under ideal conditions, accurately connect the parents to offspring produced by extra-pair matings or conspecific brood parasitism. However, some breeding systems sampling scenarios present significant complications for accurate assignment. We used simulated pedigrees assess reliability of assignment a series challenging regimes reflect realistic conditions many...