M. Lester results 123
· Newest (Page 1/5, per page 25)
Author: M. Lester ×Clear All Filters
Search Results
Invasive social wasps are a growing concern in New Zealand, posing both ecological and economic threats. However, gathering large datasets on their phenology and seasonal dynamics can be challenging. In this study, the caste-specific seasonal activity and spatial distribution of three invasive social wasp species ( Polistes dominula , Vespula germanica , and Vespula vulgaris ) in New Zealand were investigated using online citi...
Perinatal exposure to delta-9-tetrahydrocannabinol (THC) alters goal-directed behavior and dopamine functioning in wistar ratsNARA Subscribed
Rationale Cannabis use during 2021pregnancy is common as many pregnant women consider cannabis as a safe way to alleviate symptoms associated with pregnancy because it is “natural”. However, clinical evidence links perinatal cannabis exposure to externalizing behavior in offspring. In preclinical research, most studies focus on exposure to the psychoactive constituent of cannabis, delta-9-tetrahydrocannabinol (THC). THC is lip...
The proportion of individuals that are found to have empty stomachs during a survey of a predator population's diet has been used as an indicator of the average individual's state of energy balance and of the degree to which its feeding rate (i.e., its functional response) is saturated with respect to prey availability. As such, the proportion of empty stomachs provides insights into the effects of prey on predators and vice v...
Streptococcus dysgalactiae From Farm‐Raised Channel Catfish in Mississippi, USA, With Notes on Fish‐Associated Group C S. dysgalactiaeNARA Subscribed
Lancefield serological group C Streptococcus dysgalactiae (GCSD) is an emerging cause of fish disease worldwide, largely associated with mariculture in Asia. In the United States (US), GCSD had been a pathogen of minimal concern for fish, but recent cases indicate a putative emergence in wild and cultured freshwater fish populations in the Americas. The current study discusses three novel cases of GCSD‐associated streptococcos...
Mapping landscape values alongside climate risk perceptions can show how collective values of the local community and their relationship to the landscape interacts spatially with their risk perception. Such geospatial social data could provide critical insight into local socioecological processes and inform successful place-based climate adaptation planning and risk management outcomes. This study builds on existing landscape...
Mariculture Narratives in Climate Change Research and Policy: Alignment, Mismatch, and Opportunities for a Climate‐Resilient IndustryNARA Subscribed
Like other sectors of our global food system, marine aquaculture (mariculture) is threatened by a myriad of stressors resulting from a changing climate. Increasing attention has been given to the impact of these stressors on mariculture across a variety of taxonomies and geographies. Alongside this perspective of mariculture as vulnerable to climate change impacts, another narrative has also emerged framing mariculture as a po...
Studying the efficacy of control methods is paramount to successful management of invasive pests and understanding why some colonies survive is important to improve management practices. Here, the bait Vespex® was used to control invasive wasps across 64 ha of forest in an invaded range near Hanmer Springs, New Zealand. Bait was applied across a standard 50 m by 300 m arrangement and made available for 3 days. Nest mortality r...
Ictalurid herpesvirus 1 (IcHV1) is the most significant viral agent in U.S. catfish aquaculture. Little is known regarding the genetic stability and antigenic variability of IcHV1. Herein, the genetic and antigenic diversity of IcHV1 field isolates was assessed by restriction fragment length polymorphism (RFLP) analysis and serum neutralization assays. RFLP analysis identified two distinct genotypes (IcHV1A and IcHV1B), both d...
Purpose of Review Environmental chemical exposures may disrupt child development, with long-lasting health impacts. To date, U.S. studies of early environmental exposures have been limited in size and diversity, hindering power and generalizability. With harmonized data from over 60,000 participants representing 69 pregnancy cohorts, the National Institutes of Health’s Environmental influences on Child Health Outcomes (ECHO) P...
Ultrasound imaging can be used as an effective tool to measure the reproductive status and condition of sharks. This usually requires restraint of the subject, which is not feasible in the wild when the target species is of conservation concern and very large, as is the case for whale sharks. Our study invoked a behavioral response in free-swimming whale sharks that allowed snorkelers to image internal organs and structures us...