Search Results - "Witts, D."

Rapid ocean acidification and protracted Earth system recovery followed the end-Cretaceous Chicxulub impact by Henehan, Michael J., Ridgwell, Andy, Thomas, Ellen, Zhang, Shuang, Alegret, Laia, Schmidt, Daniela N., Rae, James W. B., Witts, James D., Landman, Neil H., Greene, Sarah E., Huber, Brian T., Super, James R., Planavsky, Noah J., Hull, Pincelli M.

“…Mass extinction at the Cretaceous–Paleogene (K-Pg) boundary coincides with the Chicxulub bolide impact and also falls within the broader time frame of Deccan…”
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Late Cretaceous ammonoids show that drivers of diversification are regionally heterogeneous by Flannery-Sutherland, Joseph T., Crossan, Cameron D., Myers, Corinne E., Hendy, Austin J. W., Landman, Neil H., Witts, James D.

“…Palaeontologists have long sought to explain the diversification of individual clades to whole biotas at global scales. Advances in our understanding of the…”
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Macrofossil evidence for a rapid and severe Cretaceous–Paleogene mass extinction in Antarctica by Witts, James D., Whittle, Rowan J., Wignall, Paul B., Crame, J. Alistair, Francis, Jane E., Newton, Robert J., Bowman, Vanessa C.

“…Debate continues about the nature of the Cretaceous–Paleogene (K–Pg) mass extinction event. An abrupt crisis triggered by a bolide impact contrasts with ideas…”
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Reviews and syntheses: The clam before the storm – a meta-analysis showing the effect of combined climate change stressors on bivalves by Kruft Welton, Rachel A, Hoppit, George, Schmidt, Daniela N, Witts, James D, Moon, Benjamin C

“…The impacts of climate change on marine organisms have been increasingly documented in laboratory and experimental studies. However, the use of different…”
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Late Cretaceous (Maastrichtian) shallow water hydrocarbon seeps from Snow Hill and Seymour Islands, James Ross Basin, Antarctica by Little, Crispin T.S., Birgel, Daniel, Boyce, Adrian J., Crame, J. Alistair, Francis, Jane E., Kiel, Steffen, Peckmann, Jörn, Pirrie, Duncan, Rollinson, Gavyn K., Witts, James D.

“…Fossil hydrocarbon seeps are present in latest Cretaceous (Maastrichtian) volcaniclastic shallow shelf sediments exposed on Snow Hill and Seymour Islands,…”
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How predictable are mass extinction events? by Foster, William J, Allen, Bethany J, Kitzmann, Niklas H, Münchmeyer, Jannes, Rettelbach, Tabea, Witts, James D, Whittle, Rowan J, Larina, Ekaterina, Clapham, Matthew E, Dunhill, Alexander M

“…Many modern extinction drivers are shared with past mass extinction events, such as rapid climate warming, habitat loss, pollution and invasive species. This…”
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Antibiotic Stewardship: The Nurses Role in Making a Difference by Witts, Kamee D., RN, BSN, VA-BC, Patterson, Peter P., MD, MBA FCAP

“…Antibiotic resistance is now considered one of the most urgent national and global public health threats. New requirements of CMS and State Health Departments…”
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Continental flood basalts do not drive later Phanerozoic extinctions by Henehan, Michael J, Witts, James D

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Massive perturbations to atmospheric sulfur in the aftermath of the Chicxulub impact by Junium, Christopher K, Zerkle, Aubrey L, Witts, James D, Ivany, Linda C, Yancey, Thomas E, Liu, Chengjie, Claire, Mark W

“…SignificanceSulfur isotopes confirm a key role for atmospheric sulfur gases in climatic cooling, mass extinction, and the demise of dinosaurs and other global…”
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Evolutionary stasis, ecophenotypy and environmental controls on ammonite morphology in the Late Cretaceous (Maastrichtian) Western Interior Seaway, USA by Witts, James D., Landman, Neil H., Hopkins, Melanie J., Myers, Corinne E., Brayard, Arnaud

“…We test for the presence of evolutionary stasis in a species of Late Cretaceous ammonoid cephalopod, Hoploscaphites nicolletii, from the North American Western…”
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LATE CRETACEOUS METHANE SEEPS AS HABITATS FOR NEWLY HATCHED AMMONITES by Rowe, Alison J, Landman, Neil H, Cochran, J. Kirk, Witts, James D, Garb, Matthew P

“…Cold methane seeps were common in the Late Cretaceous Western Interior Seaway of North America. They provided a habitat for a diverse array of fauna including…”
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Nature and timing of biotic recovery in Antarctic benthic marine ecosystems following the Cretaceous–Palaeogene mass extinction by Whittle, Rowan J., Witts, James D., Bowman, Vanessa C., Crame, J. Alistair, Francis, Jane E., Ineson, Jon, Jagt, John

“…Taxonomic and ecological recovery from the Cretaceous–Palaeogene (K–Pg) mass extinction 66 million years ago shaped the composition and structure of modern…”
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Evolution and extinction of Maastrichtian (Late Cretaceous) cephalopods from the López de Bertodano Formation, Seymour Island, Antarctica by Witts, James D., Bowman, Vanessa C., Wignall, Paul B., Alistair Crame, J., Francis, Jane E., Newton, Robert J.

“…One of the most expanded records to contain the final fortunes of ammonoid cephalopods is within the López de Bertodano Formation of Seymour Island, James Ross…”
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Intense Changes in the Main Source of Organic Carbon to the Gulf Coastal Plain Following the Cretaceous‐Paleogene Boundary by Sosa‐Montes de Oca, C., Witts, J. D., Lowery, C. M., Kearns, L. E., Garb, M. P., Naujokaityte, J., Myers, C. E., Landman, N. H., Pancost, R. D.

“…To explore both environmental change and the response of non‐fossilizing phytoplankton across the Cretaceous‐Paleogene (K‐Pg) boundary mass extinction event,…”
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High gradient magnetic separation of a biologically produced FeS adsorbent using sulphate reducing bacteria by Coe, B.T., Gerber, R., Witts, D.

“…A High Gradient Magnetic Separation (HGMS) technique has been used to selectively recover biologically produced iron sulphide (FeS) particles with adsorbed…”
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The levitation of the SIXEP pump shaft using active magnetic bearings by Zhou, F.B., Gerber, R., Whitley, S., Twardowski, T., Witts, D.J.

“…The design of electromagnetic bearings for use in a radioactive environment is presented specifically from a control point of view and supported by…”
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Continental flood basalts do not drive later Phanerozoic extinctions / Reply by Henehan, Michael J, Witts, James D, Green, Theodore, Renne, Paul R, Keller, C Brenhin

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Topical 5-fluorouracil solution in the treatment of warts--clinical experience and percutaneous absorption by Senff, H, Reinel, D, Matthies, C, Witts, D

“…Disseminated warts in six patients were pre-treated with topical 5-fluorouracil solution three times daily for 5 consecutive days. Curettage was then carried…”
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Faunal and stratigraphic analysis of the basal Cretaceous-Paleogene (K-Pg) boundary event deposits, Brazos River, Texas, USA by Irizarry, Kayla M., Witts, James D., Garb, Matthew P., Rashkova, Anastasia, Landman, Neil H., Patzkowsky, Mark E.

“…A bolide impact ∼66 million years ago near Chicxulub, Yucatan Peninsula, Mexico triggered environmental perturbations on a global scale, leading to a mass…”
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Intermittent euxinia in the high-latitude James Ross Basin during the latest Cretaceous and earliest Paleocene by Schoepfer, Shane D., Tobin, Thomas S., Witts, James D., Newton, Robert J.

“…Seymour Island, in the James Ross Basin, Antarctica, contains a continuous succession of latest Cretaceous sediments deposited in a shallow marine environment…”
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