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Articles 1 - 4 of 4
Full-Text Articles in Ecology and Evolutionary Biology
Genotyping Validates The Efficacy Of Photographic Identification In A Capture-Mark-Recapture Study Based On The Head Scale Patterns Of The Prairie Lizard (Sceloporus Consobrinus), Sarah A. Tomke, Chris J. Kellner
Genotyping Validates The Efficacy Of Photographic Identification In A Capture-Mark-Recapture Study Based On The Head Scale Patterns Of The Prairie Lizard (Sceloporus Consobrinus), Sarah A. Tomke, Chris J. Kellner
Forestry and Natural Resources Graduate Research
Population studies often incorporate capture‐mark‐recapture (CMR) techniques to gather information on long‐term biological and demographic characteristics. A fundamental requirement for CMR studies is that an individual must be uniquely and permanently marked to ensure reliable reidentification throughout its lifespan. Photographic identification involving automated photographic identification software has become a popular and efficient noninvasive method for identifying individuals based on natural markings. However, few studies have (a) robustly assessed the performance of automated programs by using a double‐marking system or (b) determined their efficacy for long‐term studies by incorporating multi‐year data. Here, we evaluated the performance of the program Interactive Individual …
Comparison Of Native And Non-Native Predator Consumption Rates And Prey Avoidance Behavior In North America And Europe, Ayse Gül Ünlü, John J. Obrycki, Roman Bucher
Comparison Of Native And Non-Native Predator Consumption Rates And Prey Avoidance Behavior In North America And Europe, Ayse Gül Ünlü, John J. Obrycki, Roman Bucher
Entomology Faculty Publications
Novel predator–prey interactions can contribute to the invasion success of non-native predators. For example, native prey can fail to recognize and avoid non-native predators due to a lack of co-evolutionary history and cue dissimilarity with native predators. This might result in a competitive advantage for non-native predators. Numerous lady beetle species were globally redistributed as biological control agents against aphids, resulting in novel predator–prey interactions. Here, we investigated the strength of avoidance behavior of the pea aphid (Acyrthosiphon pisum) toward chemical cues of native lady beetles and non-native Asian Harmonia axyridis and European Coccinella septempunctata and Hippodamia variegata …
Reproductive Compatibility Among Populations And Host‐Associated Lineages Of The Common Bed Bug (Cimex Lectularius L.), Zachary C. Devries, Richard G. Santangelo, Warren Booth, Christopher G. Lawrence, Ondřej Balvín, Tomáš Bartonička, Coby Schal
Reproductive Compatibility Among Populations And Host‐Associated Lineages Of The Common Bed Bug (Cimex Lectularius L.), Zachary C. Devries, Richard G. Santangelo, Warren Booth, Christopher G. Lawrence, Ondřej Balvín, Tomáš Bartonička, Coby Schal
Entomology Faculty Publications
As populations differentiate across geographic or host‐association barriers, interpopulation fertility is often a measure of the extent of incipient speciation. The bed bug, Cimex lectularius L., was recently found to form two host‐associated lineages within Europe: one found with humans (human‐associated, HA) and the other found with bats (bat‐associated, BA). No unequivocal evidence of contemporary gene flow between these lineages has been found; however, it is unclear whether this is due to an inability to produce viable “hybrid” offspring. To address this question and determine the extent of compatibility between host‐associated lineages, we set up mating crosses among populations of …
Genetic Analysis Of The Endangered Gray Bat Species (Myotis Grisescens), Emma Fitzgerald
Genetic Analysis Of The Endangered Gray Bat Species (Myotis Grisescens), Emma Fitzgerald
Lewis Honors College Capstone Collection
This study attempts to analyze the genetics using specific haplotype sequences of the endangered gray bat to determine genetic events that have happened in the past as well as determining how the species population has changed over time. We were able to conduct a Tajima’s D test to investigate whether a potential bottleneck has occurred. A linear regression of the genetic vs. geographical distance was produced to investigate the patterns of haplotype distribution. The species past distribution was compared to the current distribution using known collected specimens. A map of future predictions was constructed using present and future climate layers …