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7 results for “Lasiurus borealis”
Lasiurus borealis day-roost habitat
<p>The eastern red bat (<em>Lasiurus borealis</em>) is widely considered to be in decline, inspiring interest in identifying important habitats for conservation in the eastern United States. Unfortunately, knowledge of important day-roosting habitats is lacking for much of the species' range. We examined patterns of day-roost selection by male and female eastern red bats at two study sites in southeastern Ohio, U. S. A, to help fill this information gap. We radio-tagged 28 male and 25 female bats during the summers of 2016–2019 and located 53 male and 74 female roosts. Day-roost selection differed between sexes and study areas. In a mostly even-aged forest with significant historical disturbance, we found males and females roosting in trees located at higher elevations, with no clear selection based on tree or stand characteristics. Specifically, males selected trees with larger diameters located at lower, cooler elevations than females, which selected smaller diameter trees found at higher, warmer elevations. However, in a forest with less historical disturbance and more structural diversity, we found sexes differed in how they selected from available habitats. These data show that heterogeneity in environmental conditions can lead to different patterns in selection, even between sites located within a small geographic area. They also show that eastern red bats sexually segregate on the local landscape in the presence of diverse forest conditions but may not do so in the absence of such diversity. We recommend managing forests to maintain structural diversity across an elevational gradient to provide male and female eastern red bats with suitable day-roosting habitat in southeast Ohio.</p>
Lasiurus borealis day-roost habitat
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Data from: High frequency of multiple paternity in Eastern red bats, Lasiurus borealis, based on microsatellite analysis
Most species of bats give birth to only one pup each year, although Eastern red bats (Lasiurus borealis) can produce up to five pups per litter. Offspring in a single litter have been documented to be at different stages of development, suggesting that multiple paternity occurs. We tested the null hypothesis of genetic monogamy in red bats using six autosomal microsatellites and one X-linked microsatellite from 31 parent/offspring groups for a total of 128 bats. We sampled both pregnant females and mothers with pups that were obtained from bats submitted to departments of health in Oklahoma and Texas for rabies testing. Multiple paternity was assessed using a maximum-likelihood approach, hypothesis testing, and X-linked locus exclusion. The mean polymorphic information content of our markers was high (0.8819) and combined non-exclusion probability was low (0.00027). Results from the maximum-likelihood approach showed that 22 out of 31 (71%) parent/offspring groups consisted of half siblings, hypothesis testing rejected full sibship in 61% of parent/offspring groups, and X-linked locus exclusion suggested multiple paternity in at least 12 parent/offspring groups, rejecting our hypothesis of genetic monogamy. This frequency of multiple paternity is the highest reported thus far for any bat species. High levels of multiple paternity have the potential to impact interpretations of genetic estimates of effective population size in this species. Further, multiple paternity might be an adaptive strategy to allow for increased genetic variation and large litter size, which would be beneficial to a species threatened by population declines from wind turbines.
Data from: "Genome-wide microsatellite marker development from next-generation sequencing of two non-model bat species impacted by wind turbine mortality: Lasiurus borealis and L. cinereus (Vespertilionidae)" in Genomic Resources Notes accepted 1 October 2013 to 30 November 2013
Tree-roosting bats in the genus Lasiurus are widespread, migratory species that have not been well characterized for population genetic diversity and structure due to a lack of genetic resources. Generating genetic resources in Lasiurus is made pressing by the need for conservation genetic assessments of demographic trends in this genus, which comprise a large percentage of bat mortalities at wind turbine sites across North America. We report on marker development from whole-genome Illumina sequencing of the red bat (Lasirus borealis) and the hoary bat (L. cinereus). We generated paired-end libraries for a single individual of each species, sequenced on the Illumina HiSeq platform. We mapped a total of 46.6 million reads to the Myotis lucifigus reference genome, and used bioinformatics searches to identify tends of thousands of simple sequence repeats (SSRs) distributed across the bat genome. We selected 48 candidate microsatellite loci to develop cross-species primer sequences for Lasiurus, assembled these into multiplex combinations, and tested for amplification and polymorphism levels in a sample of 23 individuals from each of L. borealis and L. cinereus. In total, we identified 42 highly polymorphic loci that could be robustly amplified and scored, the majority of which (39) were also combinable into highly multiplexed assays of 4-8 loci each. The combination of new genomic sequence assemblies, a large set of highly polymorphic microsatellite loci, and the ability to efficiently multiplex represents a significant contribution to the genetic resources available for population and comparative genetic studies of bats.
On following pages: 252. Northern Hoary Bat (Lasiurus cinereus); 253. Hawaiian Hoary Bat (Lasiurus semotus); 254. Eastern Red Bat (Lasiurus borealis); 255. Pfeiffer's Red Bat (Lasiurus pfeiffer); 256. Seminole Bat (Lasiurus seminolus); 257. Greater Red Bat (Lasiurus atratus); 258. Southern Red Bat (Lasiurus blossevilil); 259. Desert Red Bat (Lasiurus frantzi); 260. Cinnamon Red Bat (Lasiurus varius); 261. Minor Red Bat (Lasiurus minon; 262. Tacarcunan Bat (Lasiurus castaneus); 263. Hairy-tailed Bat (Lasiurus ebenus); 264. Jamaican Red Bat (Lasiurus degelidus); 265. Western Yellow Bat (Lasiurus xanthinus); 266. Northern Yellow Bat (Lasiurus intermedius); 267. Cuban Yellow Bat (Lasiurus insularis); 268. Southern Yellow Bat (Lasiurus egal). in Vespertilionidae
On following pages: 252. Northern Hoary Bat (Lasiurus cinereus); 253. Hawaiian Hoary Bat (Lasiurus semotus); 254. Eastern Red Bat (Lasiurus borealis); 255. Pfeiffer's Red Bat (Lasiurus pfeiffer); 256. Seminole Bat (Lasiurus seminolus); 257. Greater Red Bat (Lasiurus atratus); 258. Southern Red Bat (Lasiurus blossevilil); 259. Desert Red Bat (Lasiurus frantzi); 260. Cinnamon Red Bat (Lasiurus varius); 261. Minor Red Bat (Lasiurus minon; 262. Tacarcunan Bat (Lasiurus castaneus); 263. Hairy-tailed Bat (Lasiurus ebenus); 264. Jamaican Red Bat (Lasiurus degelidus); 265. Western Yellow Bat (Lasiurus xanthinus); 266. Northern Yellow Bat (Lasiurus intermedius); 267. Cuban Yellow Bat (Lasiurus insularis); 268. Southern Yellow Bat (Lasiurus egal).
Data from: "Genome-wide microsatellite marker development from next-generation sequencing of two non-model bat species impacted by wind turbine mortality: Lasiurus borealis and L. cinereus (Vespertilionidae)" in Genomic Resources Notes accepted 1 October 2013 to 30 November 2013
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Data from: High frequency of multiple paternity in Eastern red bats, Lasiurus borealis, based on microsatellite analysis
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