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Articles 1 - 13 of 13
Full-Text Articles in Other Ecology and Evolutionary Biology
Benthic Mapping For Habitat Classification In The Peconic Estuary: Phase I Groundtruth Studies, Robert M. Cerrato, Nicole P. Maher
Benthic Mapping For Habitat Classification In The Peconic Estuary: Phase I Groundtruth Studies, Robert M. Cerrato, Nicole P. Maher
School of Marine & Atmospheric Sciences Faculty Publications
Benthic habitat maps of the estuary seafloor will increase our knowledge of range and variability in benthic habitats, will assist managers in their efforts to protect and/or restore commercially and recreationally important finfish and shellfish, will link land usage (e.g. developed vs. undeveloped areas) and water quality data to benthic habitat quality, and will make it possible to utilize faunal data as a long-term indicator of the overall “health” of the estuary. We are developing benthic habitat maps by combining high-resolution remote sensing techniques with detailed study of the physical and faunal characteristics at point locations in different seafloor environments. …
Effect Of Wave Action On Movement In The Owl Limpet, Lottia Gigantea, In Santa Cruz, California, William G. Wright, James W. Nybakken
Effect Of Wave Action On Movement In The Owl Limpet, Lottia Gigantea, In Santa Cruz, California, William G. Wright, James W. Nybakken
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
The critical role of wave energy in the ecology of nearshore organisms is widely accepted, based primarily on biotic correlations over large scales of time and space. Much less is known about how large waves impact the behavioral ecology of individual organisms. Theoretical considerations and measurements of tenacity predict that intertidal gastropods should minimize the chances of dislodgement during periods of high waves by remaining stationary. We tested this prediction by observing a population of the owl limpet, Lottia gigantea G. B. Sowerby I, 1834, in a range of sea conditions. We found the proportion of the population moving during …
A Simple And Improved Pcr-Based Technique For White-Tailed Deer (Odocoileus Virginianus) Sex Identification, Alec R. Lindsay Ph. D., Jerrold L. Belant
A Simple And Improved Pcr-Based Technique For White-Tailed Deer (Odocoileus Virginianus) Sex Identification, Alec R. Lindsay Ph. D., Jerrold L. Belant
Faculty Works
We describe a simple single-reaction technique for identifying the sex of white-tailed deer (Odocoileus virginianus) based on the PCR amplification of a zinc-finger intron using one pair of primers. Although Sry-coamplification confirmed sex identities, use of the Sry marker was unnecessary due to dimorphic alleles on the X and Y chromosomes at the zinc-finger locus. Insertions in intron 7 of the Y-linked allele (417 bp) make it nearly twice as long as the X-linked allele (236 bp) and thus the amplification products are easily discernable by simple agarose gel electrophoresis. The relatively short size of these products makes them useful …
Homogenization Of Forest Plant Communities And Weakening Of Species-Environment Relationships Via Agricultural Land Use, Mark Vellend, Kris Verheyen, Kathryn M. Flinn, Hans Jacquemyn, Annette Kolb, Hans Van Calster, George Peterken, Bente Jessen Graae, Jesse Bellemare, Olivier Honnay, Jörg Brunet, Monika Wulf, Fritz Gerhardt, Martin Hermy
Homogenization Of Forest Plant Communities And Weakening Of Species-Environment Relationships Via Agricultural Land Use, Mark Vellend, Kris Verheyen, Kathryn M. Flinn, Hans Jacquemyn, Annette Kolb, Hans Van Calster, George Peterken, Bente Jessen Graae, Jesse Bellemare, Olivier Honnay, Jörg Brunet, Monika Wulf, Fritz Gerhardt, Martin Hermy
Biological Sciences: Faculty Publications
Disturbance may cause community composition across sites to become more or less homogenous, depending on the importance of different processes involved in community assembly. In north-eastern North America and Europe local (alpha) diversity of forest plants is lower in forests growing on former agricultural fields (recent forests) than in older (ancient) forests, but little is known about the influence of land-use history on the degree of compositional differentiation among sites (beta diversity). Here we analyse data from 1446 sites in ancient and recent forests across 11 different landscapes in north-eastern North America and Europe to demonstrate decreases in beta diversity …
Preserving The Chesapeake: Law, Ecology, And The Bay, Hon. Gerald L. Baliles
Preserving The Chesapeake: Law, Ecology, And The Bay, Hon. Gerald L. Baliles
University of Richmond Law Review
No abstract provided.
Mist Netting Bias, Species Accumulation Curves, And The Rediscovery Of Two Bats On Montserrat (Lesser Antilles), Roxanne Larsen, Karen A. Boegler, Hugh H. Genoways, Will P. Masefield, Ronan A. Kirsch, Scott C. Pedersen
Mist Netting Bias, Species Accumulation Curves, And The Rediscovery Of Two Bats On Montserrat (Lesser Antilles), Roxanne Larsen, Karen A. Boegler, Hugh H. Genoways, Will P. Masefield, Ronan A. Kirsch, Scott C. Pedersen
University of Nebraska State Museum: Mammalogy Papers
Mist nets are commonly used to survey bat populations and to estimate bat biodiversity, but several studies have found that mist net capture data and methods are biased due to a number of factors, including size and placement of nets, and the frequency at which investigators check their nets. Despite the wealth of literature and anecdotal reports, few investigators have quantified the interactions of bats with mist nets directly. We employed night vision camcorders to monitor bat behavior when bats encountered a mist net and then utilized these data to reevaluate years of survey data collected on Montserrat, Lesser Antilles. …
Ecological Correlates Of Buggy Creek Virus Infection In Oeciacus Vicarius, Southwestern Nebraska, 2004, Amy T. Moore, Eric A. Edwards, Mary Bomberger Brown, Nicholas Komar, Charles R. Brown
Ecological Correlates Of Buggy Creek Virus Infection In Oeciacus Vicarius, Southwestern Nebraska, 2004, Amy T. Moore, Eric A. Edwards, Mary Bomberger Brown, Nicholas Komar, Charles R. Brown
School of Natural Resources: Faculty Publications
Buggy Creek virus (family Togaviridae, genus Alphavirus, BCRV) is an alphavirus within the western equine encephalitis virus complex whose primary vector is the swallow bug, Oeciacus vicarius Horvath (Hemiptera: Cimicidae), an ectoparasite of the colonially nesting cliff swallow, Petrochelidon pyrrhonota, that is also a frequent host for the virus.We investigated ecological correlates of BCRV infection in 100-bug pools at 14 different swallow colony sites in southwestern Nebraska from summer 2004, by using plaque assay on Vero cells to identify cytopathic virus and reverse transcription-polymerase chain reaction to identify noncytopathic viral RNA. We found 26.7% of swallow bug pools …
Stable Isotopic Niche Predicts Fitness Of Prey In A Wolf–Deer System, C. T. Darimont, P. C. Paquet, T. E. Reimchen
Stable Isotopic Niche Predicts Fitness Of Prey In A Wolf–Deer System, C. T. Darimont, P. C. Paquet, T. E. Reimchen
Evolutionary Biology Collection
Interindividual variation in niche presents a potentially central object on which natural selection can act. This may have important evolutionary implications because habitat use governs a suite of selective forces encountered by foragers. In a free‐living native black‐tailed deer, Odocoileus hemionus, population from coastal British Columbia, we used stable isotope analysis to identify individual variation in foraging niche and investigated its relationship to fitness. Using an intragenerational comparison of surviving and nonsurviving O. hemionus over 2 years of predation by wolves, Canis lupus, we detected resource‐specific fitness. Individuals with isotopic signatures that suggested they foraged primarily in cedar ( …
Pathways Of Anaerobic Carbon Cycling Across An Ombrotrophic–Minerotrophic Peatland Gradient, Jason K. Keller, Scott D. Bridgham
Pathways Of Anaerobic Carbon Cycling Across An Ombrotrophic–Minerotrophic Peatland Gradient, Jason K. Keller, Scott D. Bridgham
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Peatland soils represent globally significant stores of carbon, and understanding carbon cycling pathways in these ecosystems has important implications for global climate change. We measured aceticlastic and autotrophic methanogenesis, sulfate reduction, denitrification, and iron reduction in a bog, an intermediate fen, and a rich fen in the Upper Peninsula of Michigan for one growing season. In 3-d anaerobic incubations of slurried peat, denitrification and iron reduction were minor components of anaerobic carbon mineralization. Experiments using 14C-labeled methanogenic substrates showed that methanogenesis in these peatlands was primarily through the aceticlastic pathway, except early in the growing season in more ombrotrophic peatlands, …
Eastward Ho: Phylogeographical Perspectives On Colonization Of Hosts And Parasites Across The Beringian Nexus [Guest Editorial], Eric Waltari, Eric P. Hoberg, Enrique P. Lessa, Joseph A. Cook
Eastward Ho: Phylogeographical Perspectives On Colonization Of Hosts And Parasites Across The Beringian Nexus [Guest Editorial], Eric Waltari, Eric P. Hoberg, Enrique P. Lessa, Joseph A. Cook
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
The response of Arctic organisms and their parasites to dramatic fluctuations in climate during the Pleistocene has direct implications for predicting the impact of current climate change in the North. An increasing number of phylogeographical studies in the Arctic have laid a framework for testing hypotheses concerning the impact of shifting environmental conditions on transcontinental movement. We review 35 phylogeographical studies of trans-Beringian terrestrial and freshwater taxa, both hosts and parasites, to identify generalized patterns regarding the number, direction and timing of trans-continental colonizations. We found that colonization across Beringia was primarily from Asia to North America, with many events …
Geographic Distribution: Ramphotyphlops Braminus (Brahminy Blindsnake). Usa: Florida: Volusia Co, Louis A. Somma, Paul E. Skelley
Geographic Distribution: Ramphotyphlops Braminus (Brahminy Blindsnake). Usa: Florida: Volusia Co, Louis A. Somma, Paul E. Skelley
Papers in Herpetology
RAMPHOTYPHLOPS BRAMINUS (Brahminy Blindsnake). USA: FLORIDA: VOLUSIA Co.: New Smyrna Beach. 23Septernber 2006. Collected by Stacy Simmons. Verified by Kenneth L. Krysko, Florida Museum ofN atural History, University of Florida. One individual found on floor of residence. UF 151313. First county record. Originally turned in to Division of Plant Industry (DPI) , Florida Department of Agriculture and Consumer Services, Gainesville, Florida, as a "worm for ID" on 27 September 2006; Entomology Log No. 6879. It is not clear if this single specimen indicates an established breeding colony in this county. However, this invasive, parthenogenic exotic is established in other Florida …
Geographic Distribution: Ramphotyphlops Braminus (Brahminy Blindsnake). Usa: Florida: Alachua Co., Louis A. Somma
Geographic Distribution: Ramphotyphlops Braminus (Brahminy Blindsnake). Usa: Florida: Alachua Co., Louis A. Somma
Papers in Herpetology
One adult within a temiite colony, beneath rock. UF 151211; additional specimens (UF 151212-14) were also found. All specimens were collected between 1200-1240 h at the Division of Plant Industry (DPI), Florida Department of Agriculture and Consumer Services. In 2006, another adult R. braminus was collected by an employee at this site,.near a greenhouse, and . was kept in captivity until it escaped. Rhamphotyphlops is occasionally encountered by employees of DPI and it may be expanding its range, as there is one specimen (UF 147001) collected from the University of Florida campus (Powell Hall) adjacent to the DPI site (29°38'7.9080"N, …
In The Heat Of The Law, It's Not Just Steam: Geothermal Resources And The Impact On Thermophile Biodiversity, Donald J. Kochan, Tiffany Grant
In The Heat Of The Law, It's Not Just Steam: Geothermal Resources And The Impact On Thermophile Biodiversity, Donald J. Kochan, Tiffany Grant
Donald J. Kochan
Significant research has been conducted into the utilization of geothermal resources as a ‘green’ energy source. However, minimal research has been conducted into geothermal resource utilization and depletion impacts on thermophile biodiversity. Thermophiles are organisms which have adapted over millions of year to extreme temperature and chemical compositions and exist in hot springs and other geothermal resources. Their ability to withstand high temperatures makes them invaluable to scientific and medical research. Current federal and California case law classify geothermal resources as a mineral, not a water resource. Acquisition of rights to develop a geothermal resource owned or reserved by the …