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Movements Foraging Areas Habitat Selection And Roost Site Selection Of Red Bats In An Intensively Managed Pine Forest In Mississippi
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Book Synopsis Movements, Foraging Areas, Habitat Selection, and Roost Site Selection of Red Bats in an Intensively Managed Pine Forest in Mississippi by : Leslie Dianne Welch
Download or read book Movements, Foraging Areas, Habitat Selection, and Roost Site Selection of Red Bats in an Intensively Managed Pine Forest in Mississippi written by Leslie Dianne Welch and published by . This book was released on 2003 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Review of Forest Habitat Relationships of the Indiana Bat by :
Download or read book A Review of Forest Habitat Relationships of the Indiana Bat written by and published by . This book was released on 2001 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of the Forest Habitat Relationships of the Indiana Bat (Myotis Sodalis) by :
Download or read book Review of the Forest Habitat Relationships of the Indiana Bat (Myotis Sodalis) written by and published by . This book was released on 2001 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bats of Texas by : Loren K. Ammerman
Download or read book Bats of Texas written by Loren K. Ammerman and published by Texas A&M University Press. This book was released on 2011-11-16 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: With all new illustrations, color photographs, revised species accounts, updated maps, and a sturdy flexible binding, this new edition of the authoritative guide to bats in Texas will serve as the field guide and all-around reference of choice for amateur naturalists as well as mammalogists, wildlife biologists, and professional conservationists. Texas is home to all four families of bats that occur in the United States, including thirty-three species of these important yet increasingly threatened mammals. Although five species, each represented by a single specimen, may be regarded as vagrants, no other state has a bat fauna more diverse, from the state’s most common species, the Brazilian free-tailed bat, to the rare hairy-legged vampire. The introductory chapter of this new edition of Bats of Texas surveys bats in general—their appearance, distribution, classification, evolution, biology, and life history—and discusses public health and bat conservation. An updated account for each species follows, with pictures by an outstanding nature photographer, distribution maps, and a thorough bibliography. Bats of Texas also features revised and illustrated dichotomous keys accompanied by gracefully detailed line drawings to aid in identification. A list of specimens examined is located at batsoftexas.com.
Book Synopsis Context-dependent Selection and Temporal Use of Roost-sites by Female Northern Long-eared Bats by : Ellen M. Whittle
Download or read book Context-dependent Selection and Temporal Use of Roost-sites by Female Northern Long-eared Bats written by Ellen M. Whittle and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Delineating habitat preferences, especially those of imperiled species, is critical to ensure that species have access to resources needed to persist. In addition to overall preferences, establishing the phenology of sensitive periods such as reproduction can be challenging for small, cryptic species such as bats. We conducted an empirical study in northeast Wyoming, USA, to characterize the habitat selection of northern long-eared bats (Myotis septentrionalis). Objectives in Chapter 1 were to (1) characterize the maternity roost-site preferences of endangered northern long-eared bats in a peripheral population occurring within a forest managed for timber harvest, and (2) determine whether roost-site preferences and switching were modulated by weather conditions. Chapter 2 objectives were (1) to assess whether maternity roost trees of northern long-eared bats are used for multiple years in northeast Wyoming; (2) to determine whether intra-seasonal occupation of maternity roosts in northeast Wyoming matches the timing of seasonal protections for northern long-eared bats; and (3) to assess the efficacy of motion-triggered game cameras for determining occupancy of maternity roosts. In our first chapter, we found that bats were more likely to select quaking aspens, snags, and trees relatively large in diameter; however, these preferences were modulated by daily weather conditions and reproductive state. Bats roosted more often in pine at warm temperatures and while lactating, and in snags when solar radiation was high and precipitation low. Bats preferred forest patches with higher canopy cover and a larger proportion of snags. In our second chapter, we documented colony occupation at maternity roosts across multiple years and outside of the protected season of June—July. We also recorded rarely documented behaviors, including pup carrying, with motion-triggered game cameras. Our findings provide guidance on habitat types that would be beneficial to conserve for northern long-eared bat populations, and more broadly, that context-dependence is an important consideration for habitat-selection studies. Peripheral populations may be critical for future recovery of declining species; however, seasonal protections against habitat disturbance may be mismatched with the phenology of populations at range edges.
Book Synopsis Roost Site Selection by Indiana Bats (Myotis Sodalis) and Comparison of Foraging Habitat Selection by Morphologically Similar Bat Species in Bottomland Hardwood Ecosystems by : Jacquelyn A. Dearborn
Download or read book Roost Site Selection by Indiana Bats (Myotis Sodalis) and Comparison of Foraging Habitat Selection by Morphologically Similar Bat Species in Bottomland Hardwood Ecosystems written by Jacquelyn A. Dearborn and published by . This book was released on 2017 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: While bottomland hardwoods used to encompass a large portion of the south-central United States, due to clear cutting for agriculture and other purposes, the amount of bottomland hardwoods present has been reduced by almost 88 percent from its previous extent. At the same time, bat surveys in the Midwest after the arrival of white-nose syndrome (WNS) have shown declines in populations of Indiana bats (Myotis sodalis), northern long-eared bats (Myotis septentrionalis), little brown bats (Myotis lucifigus), and tri-colored bats (Perimyotis subflavus). Due to these threats to bat populations, it is important to gain information on how various bat species in the Midwest United States utilize the landscape within bottomland hardwood ecosystems in order to inform conservation efforts. There were two main objectives to this study. First, we sought to determine which roost site characteristics influence selection of a roost location by individuals in maternity colonies of Indiana bats. Second, we wanted to evaluate which habitat characteristics influenced occupancy of morphologically similar species within bottomland hardwood ecosystems in the Midwest United States: Myotis species, tri-colored bats, and evening bats (Nycticeius humeralis).
Book Synopsis Summer Roost-tree Selection by a Male Indiana Bat on the Fernow Experimental Forest by :
Download or read book Summer Roost-tree Selection by a Male Indiana Bat on the Fernow Experimental Forest written by and published by . This book was released on 2002 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summer Day-roost Selection and Thermoregulation of Eastern Red Bats (Lasiurus Borealis) in Southeast Ohio by : Maria N. Monarchino
Download or read book Summer Day-roost Selection and Thermoregulation of Eastern Red Bats (Lasiurus Borealis) in Southeast Ohio written by Maria N. Monarchino and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Accurate description of habitat features that species need to survive and reproduce is central to successful wildlife conservation. Unfortunately, the process of describing these habitats is complicated and selection processes for most species are often multifaceted. In addition, human altered landscapes are often composed of a mosaic of habitat conditions that further complicate understanding habitat selection. However, such an understanding is necessary to conserve and protecting habitat for declining species. The eastern red bat (Lasiurus borealis) is a solitary, foliage roosting bat that is widely considered to be in decline across its range. Unfortunately, due to the expanse of the eastern red bats range, there are large areas where knowledge of important day-roosting habitats is lacking. To close this information gap in southeast Ohio, we used a multifaceted approach to examine patterns of day-roost selection by male and female eastern red bats at two study sites with different forest compositions in southeastern Ohio.
Book Synopsis Bats in Forests by : Michael J. Lacki
Download or read book Bats in Forests written by Michael J. Lacki and published by JHU Press. This book was released on 2007-05-11 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although bats are often thought of as cave dwellers, many species depend on forests for all or part of the year. Of the 45 species of bats in North America, more than half depend on forests, using the bark of trees, tree cavities, or canopy foliage as roosting sites. Over the past two decades it has become increasingly clear that bat conservation and management are strongly linked to the health of forests within their range. Initially driven by concern for endangered species—the Indiana bat, for example—forest ecologists, timber managers, government agencies, and conservation organizations have been altering management plans and silvicultural practices to better accommodate bat species. Bats in Forests presents the work of a variety of experts who address many aspects of the ecology and conservation of bats. The chapter authors describe bat behavior, including the selection of roosts, foraging patterns, and seasonal migration as they relate to forests. They also discuss forest management and its influence on bat habitat. Both public lands and privately owned forests are considered, as well as techniques for monitoring bat populations and activity. The important role bats play in the ecology of forests—from control of insects to nutrient recycling—is revealed by a number of authors. Bat ecologists, bat conservationists, forest ecologists, and forest managers will find in this book an indispensable synthesis of the topics that concern them.
Book Synopsis Conservation Assessments for Five Forest Bat Species in the Eastern United States by : Frank Richard Thompson
Download or read book Conservation Assessments for Five Forest Bat Species in the Eastern United States written by Frank Richard Thompson and published by . This book was released on 2006 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multi-scale Roost Site Selection by Rafinesque's Big-eared Bats and Southeastern Myotis in Mississippi by : Heather Lynne Fleming
Download or read book Multi-scale Roost Site Selection by Rafinesque's Big-eared Bats and Southeastern Myotis in Mississippi written by Heather Lynne Fleming and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Rafinesque's big-eared bats (Corynorhinus rafinesquii; RBEB) and southeastern myotis (Myotis austroriparius; SEM) are listed on IUCN Red List of Threatened Species. Limited information on roost sites exists. I conducted roost surveys for RBEB and SEM on public forest lands in central Mississippi during winter and spring 2010. During winter, RBEB and SEM roosted in cavity trees with greater trunk diameters. In spring, roost trees used by SEM were located in forested areas of lower elevation, less slope, and greater distances from roads. Because imperfect detection can affect occupancy estimates, I estimated detection probabilities under different survey methods. Detection probability ranged from 95 - 100% and 92 - 99% when one to 2 observers used repeated surveys and removal method, respectfully. When estimating for abundance, presence of ̳20 bats led to count errors of
Book Synopsis Summer Roost Site Selection of Red Bats in Mixed Mesophytic Forests by : Jeffrey T. Hutchinson
Download or read book Summer Roost Site Selection of Red Bats in Mixed Mesophytic Forests written by Jeffrey T. Hutchinson and published by . This book was released on 1998 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Maternity Roost Site Selection of Big Brown Bats and Long-eared Myotis in the Channeled Scablands of Northeastern Washington by : Sandra Rancourt
Download or read book Maternity Roost Site Selection of Big Brown Bats and Long-eared Myotis in the Channeled Scablands of Northeastern Washington written by Sandra Rancourt and published by . This book was released on 2000 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bat conservation is often hindered by a lack of geographic-specific knowledge of the bat community and the characteristics of roost sites used by reproductive females. I assessed the composition of the bat community and examined the use and characteristics of roosts selected by reproductive female big brown bats (Eptesicusfuscus) and long- eared myotis (Myotis evotis) in the Channeled Scablands of northeastern Washington. This area contains a high diversity of potential roost types (snag and tree cavities and rock and human-made structures) known to be used by both species of bats. I trapped 536 bats representing 10 species during 1996-97 using mist nets and harp traps. Radio-telemetry was used to locate 38 and 35 roosts of reproductive female big brown bats and long-eared myotis, respectively. Both species switched roosts frequently. Habitat variables were measured at three levels; the roost site, a random site near the roost, and a random site at a landscape level. Ninety-five percent (n = 36) of the big brown bat roosts were in natural tree cavities. Twenty-eight roosts were in ponderosa pine (Pinus ponderosa) and eight in aspen (Populus tremuloides). Dead tops of live pine trees were used significantly more as roosts than pine snags by big brown bats. Although there were significantly more roost trees>30 cm in diameter and taller than 12m than what was available, they were not necessarily the tallest tree in the stand. A significantly greater proportion of big brown bat roosts were found in open pine, aspen and mixed-aspen pine forests and less in grasslands and closed pine than expected. Obstruction of roost trees was not different than randomly selected trees. Big brown bat roost sites were not significantly different in forest structure than random sites. All but one of the 35 long-eared myotis roost sites were found in crevices in small basalt rock formations. Long-eared myotis roosts were in open habitats close to the edge of closed forest stands. Both species selected roosts in an area with a greater proportion of aspen and open ponderosa pine habitat. Forest restoration strategies should protect both large diameter snags but also existing dead top trees and should maintain natural population levels of biological agents that create dead tops. Restoration of historic open conditions in ponderosa pine will provide improved habitat for both big brown bats and long-eared myotis. Caution must be exercised in making generalizations about roost selection of individual bat species, given regional differences found in this and other studies.
Book Synopsis Use of Forest Edges by Bats in a Managed Pine Forest Landscape in Coastal North Carolina by : Adam D. Morris
Download or read book Use of Forest Edges by Bats in a Managed Pine Forest Landscape in Coastal North Carolina written by Adam D. Morris and published by . This book was released on 2008 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Forest edges represent the interface of two vegetation types and often have increased species richness and abundance (edge effects). Edges can affect spatial distribution of species and dynamics of species interactions. Landscapes of intensively managed pine stands are characterized by mosaic-patterning of forest patches and linear forest edges. Managed pine forests are a major landscape feature of the Southeastern U.S., and the effects of intensive pine management on bat communities are poorly understood. Therefore, I examined bat foraging behavior in four structurally distinct stand types (young open-canopy pine, pre-thinned pine, thinned pine, and unmanaged forest) and along forest edges within a managed pine forest landscape in the coastal plain of North Carolina during the summers of 2006 and 2007. At each sampling site, from dusk until dawn, I recorded echolocation calls of bats using Pettersson D240X bat detectors with digital recorders. At each site, I indexed the insect community using malaise insect traps. I captured bats with mist nets to obtain reference echolocation calls. I used negative binomial count regression models to describe bat foraging behavior relative to stand types, forest edges, and availability of insect prey. For all species detected, bat foraging behavior was strongly related to forest edges. Edges were used extensively by six aerial-foraging bat species, but avoided by clutter-tolerant Myotis species. My results emphasize that forest edges are important landscape features in fragmented landscapes."--Abstract from author supplied metadata.
Book Synopsis Maternity Roost Selection of Indiana Bats (myotis Sodalis) and Occupancy of Two Threatened Myotine Bat Species on National Wildlife Refuges in Northern Missouri by : Dane A. Smith
Download or read book Maternity Roost Selection of Indiana Bats (myotis Sodalis) and Occupancy of Two Threatened Myotine Bat Species on National Wildlife Refuges in Northern Missouri written by Dane A. Smith and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: North American bat species face a range of environmental stressors which have negatively impacted recovery of the endangered Indiana bat (Myotis sodalis) and led to inclusion of the northern long-eared bat (Myotis septentrionalis) as a federally threatened species. Historic threats like disturbance of winter hibernacula and habitat loss continue to imperil both species, but the introduction of the fungal disease white-nose syndrome (WNS) into North America in 2006 resulted in substantial population declines in several species of Myotine bats in the eastern and central portions of the United States. Prior to the emergence of WNS, M. septentrionalis populations were estimated in the millions, and the rangewide M. sodalis population had experienced almost a decade of steady recovery. However, since the onset of WNS, M. sodalis populations have declined steadily and M. septentrionalis now faces extirpation from much of its range. Additionally, the development of wind power facilities across large portions of the central U.S. has increased the likelihood that critical habitat will be lost or fragmented and pose a new threat of large-scale mortality caused by collisions between bats and turbine blades. Objectives of this study were to 1) quantify maternity habitat characteristics of the endangered Indiana bat (Myotis sodalis) in northern Missouri to identify factors that drive selection and 2) identify local- and landscape-scale habitat characteristics associated with occupancy of M. sodalis and M. septentrionalis. To identify drivers of maternity roost selection of M. sodalis in Northern Missouri, we used mist nets to capture pregnant and lactating females during the summers of 2017 and 2018 and applied radio transmitters to individuals with sufficient body mass. We tracked 24 M. sodalis for an average of 5.8 days and identified 21 roost trees. We conducted emergence counts at each roost to classify them as primary or alternate and collected habitat data for each tree and the surrounding area. We then collected the same habitat data at available roosts and used discrete choice models to compare selected roosts with available trees within the study area. The top ranked model for primary roosts included tree diameter (DBH), tree height, and canopy cover while the top ranked model for alternate roosts included DBH, snag basal area, and canopy cover. Our results indicate that the probability of primary roost selection was greatest for trees with DBH ~ 50 cm and height of ~ 17 m. Roost site selection probability decreased with canopy closure, falling to 0 above ~ 75% closure. The probability of selection for alternate roosts was associated with greater canopy closure (~ 75%), smaller trees (~ 35 cm) and was positively associated with snag basal area. Land managers who wish to promote maternity habitat for M. sodalis could preserve existing snags, implement techniques to create new large-diameter snags, and, when possible, acquire additional bottomland hardwood forests to ensure the availability of an extensive network of available roost trees. To identify the local- and landscape-scale factors associated with occupancy of M. sodalis and M. septentrionalis, we used ANABAT SD1 acoustic detectors to record the echolocation calls of passing bats at 87 sites during the maternity seasons of 2017 and 2018. We deployed three detectors at each site for a minimum of two consecutive nights and recorded a total of 581 detector nights. Calls were identified to species, and detection histories of M. sodalis and M. septentrionalis were used to develop single-season occupancy models which used environmental covariates to estimate the probability of detecting each target species and evaluated the effects of local and landscape habitat characteristics on occupancy probability. The top detection model for M. sodalis included minimum temperature, barometric pressure, average wind speed, and moon minutes. The top detection model for M. septentrionalis included amount of precipitation. Our models indicate that the primary drivers of M. sodalis occupancy were percent of landscape (3 km) composed of wooded wetlands, distance to nearest wooded wetland, forest connectivity, forest shape, and wetland connectivity. Occupancy was positively associated with the proportion of wooded wetlands on the landscape, forest shape, and wetland connectivity and negatively associated with distance to nearest wooded wetland, forest connectivity, and proportion of forest on the landscape. The primary factors associated with M. septentrionalis occupancy were proportion of wooded wetlands on the landscape and wetland connectivity. Occupancy was positively associated with proportion of wooded wetlands and negatively associated with the degree to which wetlands were connected. We recommend land managers preserve riparian forest habitat and enact measures to reduce clutter and stem density in upland forests to improve overall habitat suitability and increase the likelihood that forests in this region can support foraging Myotis bats.
Book Synopsis Seasonal Roost Tree Use by Indiana Bats in the Somerset Ranger District of the Daniel Boone National Forest, Kentucky by : Mark Wayne Gumbert
Download or read book Seasonal Roost Tree Use by Indiana Bats in the Somerset Ranger District of the Daniel Boone National Forest, Kentucky written by Mark Wayne Gumbert and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: CD of the 2001 thesis (136 p. ; 28 cm.) examining roosts and roosting habits of Indiana bats in the Daniel Boone National Forest.
Book Synopsis The Effect of Woodland Restoration on Bats in a Metropolitan Environment by : Debra A. Scott
Download or read book The Effect of Woodland Restoration on Bats in a Metropolitan Environment written by Debra A. Scott and published by . This book was released on 2007 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Urban expansion fragments natural habitats, which can increase susceptibility of wildlife to invasive species, predation, disease, and pollution. However, these habitat fragments may benefit some wildlife species. Recently, many organizations have made efforts to maintain and restore (e.g. through prescribed burning, invasive/exotic species removal, snag recruitment, drain tile disablement, and deer population control) natural areas in metropolitan areas, which led to changes in forest structure, such as reduced tree and shrub densities and decreased canopy cover. Habitat restoration may affect how species, such as bats, use forest fragments in urban environments. Bats are highly vague and are able to exploit habitat patches, particularly woodlands, in urban landscapes. In North America, bats use forests for foraging, roosting, and/or rearing young. Previous studies have shown a positive relationship between bat activity and woodlands in urban environments, and have suggested the importance of microhabitat to bat activity. I determined relationships between (1) restoration efforts and general bat activity, (2) general bat activity and microhabitat charactersitics (3) interspecific variation with woodland variables, and (4) roost selection of northern myotis (Myotis septentrionalis) and red bats (Lasiurus borealis) in woodland fragments. During the summers of 2004 and 2005, I used ultrasonic detectors to monitor both general and species-specific bat activity in 9 forest preserves that are in various stages of restoration. I identified 5,074 of 7,652 collected bat passes to species during 5,760 detector hours. Restoration variables and general bat activity were compared using linear regression and Akaike's Information Criterion (AIC) for model selection. Prescribed burning and invasive species removal were positively related to general bat activity. Relationships between general bat activity and vegetation variables were determined using mixed-effects linear regression models. Model fit was compared using AIC. General bat activity was positively related to small tree density (7.7-20 cm DBH) and inversely related to shrub density and clutter at 0-6 m heights. I used partial canonical correspondence analysis with site and year as covariables to determine relationships between vegetation variables and bat species. Red bats were associated with small and medium tree densities and inversely related to clutter at 0-9 m. Myotis spp. were positively associated with canopy cover, clutter at 6-9 m, and small and medium tree densities. Silver-haired bat (Lasionycteris noctivagans) activity was associated with more open forests. Big brown bats (Eptesicusfuscus) were not strongly associated with any measured vegetation variable. In 2005, I radio-tracked 5 northern myotis and 6 red bats to determine roost, plot, and stand characteristics that may clarify roost selection in urban environments. Northern myotis' roosts were positively associated with snags that had exfoliating bark and were located in unrestored woodlands. Red bat roosts were primarily located in unrestored woodlands and in residential lawns. These results suggest bats may respond to some forms of woodland restoration in urban landscapes. Sites that had repeated measures of restoration had greater overall bat acitivity. However, species-specific responses to vegetation and to roost selection differed and should be taken into consideration when developing management plans.
