Institution
Georgia College & State University
Education•Milledgeville, Georgia, United States•
About: Georgia College & State University is a education organization based out in Milledgeville, Georgia, United States. It is known for research contribution in the topics: Population & Context (language use). The organization has 950 authors who have published 1591 publications receiving 37027 citations.
Papers published on a yearly basis
Papers
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TL;DR: Molecular quantification of bifidobacteria may be a more accurate method of determining immediate health risks associated with fecal pollution in estuarine water than traditional and contemporary assessments of enterococci.
52 citations
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TL;DR: It is concluded that population differentiation is accelerated in more sexually dimorphic species, and that comparative phylogeography may provide a more powerful approach to detecting processes, such as an influence of sexual selection on differentiation, than broad‐scale comparative studies.
Abstract: Genetic differentiation arises due to the interaction between natural and sexual selection, migration and genetic drift. A potential role of sexual selection in speciation has received much interest, although comparative studies are inconsistent in finding supporting evidence. A poorly tested prediction is that species subject to a higher intensity of sexual selection should show greater genetic differentiation amongst populations because females from these populations should be more choosy in mate choice. The Goodeinae is a group of endemic Mexican fishes in which female choice has driven some species to be morphologically sexually dimorphic, whereas others are relatively monomorphic. Here, we measured population divergence, using microsatellite loci, within four goodeid species which show contrasting levels of sexual dimorphism. We found higher levels of differentiation between populations of the more dimorphic species, implying less gene flow between populations. We also found evidence of higher levels of genetic differences between the sexes within populations of the dimorphic species, consistent with greater dispersal in males. Adjusted for geographic distance, the mean FST for the dimorphic species is 0.25 compared with 0.16 for the less dimorphic species. We conclude that population differentiation is accelerated in more sexually dimorphic species, and that comparative phylogeography may provide a more powerful approach to detecting processes, such as an influence of sexual selection on differentiation, than broad-scale comparative studies.
52 citations
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TL;DR: In this paper, the authors studied the X-ray properties of the stellar wind in the hard state of Cyg X-1 as determined with data from the Chandra High Energy Transmission Gratings.
Abstract: The accretion onto the black hole in the system HDE 226868/Cygnus X-1 is powered by the strong line driven stellar wind of the O-type donor star. We study the X-ray properties of the stellar wind in the hard state of Cyg X-1 as determined with data from the Chandra High Energy Transmission Gratings. Large density and temperature inhomogeneities are present in the wind, with a fraction of the wind consisting of clumps of matter with higher density and lower temperature embedded in a photoionized gas. Absorption dips observed in the light curve are believed to be caused by these clumps. This work concentrates on the non-dip spectra as a function of orbital phase. The spectra show lines of H-like and He-like ions of S, Si, Na, Mg, Al and highly ionized Fe (Fe xvii-Fe xxiv). We measure velocity shifts, column densities, and thermal broadening of the line series. The excellent quality of these five observations allows us to investigate the orbital phase dependence of these parameters. We show that the absorber is located close to the black hole. Doppler shifted lines point at a complex wind structure in this region, while emission lines seen in some observations are from a denser medium than the absorber. The observed line profiles are phase dependent. Their shapes vary from pure, symmetric absorption at the superior conjunction to P Cygni profiles at the inferior conjunction of the black hole.
52 citations
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TL;DR: The findings of this study demonstrated altered activation pattern of the lumbo-pelvic muscles during PHE in the women with chronic LBP, important for investigators using PHE as either an evaluation tool or a rehabilitation exercise.
Abstract: Background
Altered movement pattern has been associated with the development of low back pain (LBP) The purpose of this study was to investigate the activity pattern of the ipsilateral erector spinae (IES) and contralateral erectorspinae (CES), gluteus maximus (GM) and hamstring (HAM) muscles during prone hip extension (PHE) test in women with and without LBP A cross-sectional non-experimental design was used
52 citations
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TL;DR: It is found that ankle support devices may influence postural control on the BESS, but not on the NeuroCom SOT, and Clinicians using the Bess as a balance assessment device at multiple time points should be consistent in the application of anklesupport devices.
52 citations
Authors
Showing all 957 results
Name | H-index | Papers | Citations |
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Gene H. Brody | 93 | 418 | 27515 |
Mark D. Hunter | 56 | 173 | 10921 |
James E. Payne | 52 | 201 | 12824 |
Arash Bodaghee | 30 | 122 | 2729 |
Derek H. Alderman | 29 | 121 | 3281 |
Christian Kuehn | 25 | 206 | 3233 |
Ashok N. Hegde | 25 | 48 | 2907 |
Stephen Olejnik | 25 | 67 | 4677 |
Timothy A. Brusseau | 23 | 139 | 1734 |
Arne Dietrich | 21 | 44 | 3510 |
Douglas M. Walker | 21 | 76 | 2389 |
Agnès Bischoff-Kim | 21 | 46 | 885 |
Uma M. Singh | 20 | 40 | 1829 |
David Weese | 20 | 46 | 1920 |
Angeline G. Close | 20 | 35 | 1718 |