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</div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">John Alroy</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox biography vcard"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:125%;"><div class="fn">John Alroy</div></th></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data">1966<br /><div style="display:inline" class="birthplace">New York, United States</div></td></tr><tr><th scope="row" class="infobox-label">Alma mater</th><td class="infobox-data">BS <a href="/wiki/Reed_College" title="Reed College">Reed College</a><br />PhD <a href="/wiki/University_of_Chicago" title="University of Chicago">University of Chicago</a></td></tr><tr><th scope="row" class="infobox-label">Awards</th><td class="infobox-data"><span class="nowrap"><a href="/wiki/NAS_Award_for_Scientific_Reviewing" title="NAS Award for Scientific Reviewing">NAS Award for Scientific Reviewing</a> <span style="font-size:85%;">(2010)</span><br /> <a href="/wiki/Charles_Schuchert_Award" title="Charles Schuchert Award">Charles Schuchert Award</a> <span style="font-size:85%;">(2007)</span><br /> <a href="/wiki/Romer_Prize" class="mw-redirect" title="Romer Prize">Romer Prize</a> <span style="font-size:85%;">(1994)</span></span></td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><b>Scientific career</b></td></tr><tr><th scope="row" class="infobox-label">Fields</th><td class="infobox-data category"><a href="/wiki/Paleontology" title="Paleontology">Paleontology</a><br /><a href="/wiki/Paleobiology" title="Paleobiology">Paleobiology</a></td></tr><tr><th scope="row" class="infobox-label">Institutions</th><td class="infobox-data"><a href="/wiki/Macquarie_University" title="Macquarie University">Macquarie University</a><br /><a href="/wiki/National_Center_for_Ecological_Analysis_and_Synthesis" title="National Center for Ecological Analysis and Synthesis">NCEAS</a><br /><a href="/wiki/University_of_Arizona" title="University of Arizona">University of Arizona</a><br /><a href="/wiki/Smithsonian_National_Museum_of_Natural_History" class="mw-redirect" title="Smithsonian National Museum of Natural History">Smithsonian National Museum of Natural History</a></td></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <p><b>John Alroy</b> is a paleobiologist born in New York in 1966 and now residing in <a href="/wiki/Sydney" title="Sydney">Sydney</a>, Australia. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Area_of_expertise">Area of expertise</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Alroy&action=edit&section=1" title="Edit section: Area of expertise"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Alroy specializes in diversity curves, <a href="/wiki/Speciation" title="Speciation">speciation</a>, and <a href="/wiki/Extinction" title="Extinction">extinction</a> of North American fossil mammals and <a href="/wiki/Phanerozoic" title="Phanerozoic">Phanerozoic</a> marine <a href="/wiki/Invertebrate" title="Invertebrate">invertebrates</a>, connecting regional and local diversity, <a href="/wiki/Taxonomy_(biology)" title="Taxonomy (biology)">taxonomic composition</a>, body mass distributions, <a href="/wiki/Ecomorphology" title="Ecomorphology">ecomorphology</a>, and phylogenetic patterns to intrinsic diversity dynamics, evolutionary trends, <a href="/wiki/Mass_extinctions" class="mw-redirect" title="Mass extinctions">mass extinctions</a>, and the effects of global climate change. </p><p>In a 3 September 2010 online article by Hugh Collins, a contributor for AOL Online Science, Alroy was quoted in a newly released study paper from Sydney's Macquarie University that "It would be unwise to assume that any large number of species can be lost today without forever altering the basic biological character of Earth's oceans." </p> <div class="mw-heading mw-heading2"><h2 id="Education">Education</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Alroy&action=edit&section=2" title="Edit section: Education"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/University_of_Chicago" title="University of Chicago">University of Chicago</a>, Committee on Evolutionary Biology, PhD, 1994.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Reed_College" title="Reed College">Reed College</a>, Department of Biology, B.A., 1989.</li> <li><a href="/wiki/Hunter_College_High_School" title="Hunter College High School">Hunter College High School</a>, graduated 1984.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Professional_life">Professional life</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Alroy&action=edit&section=3" title="Edit section: Professional life"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Macquarie_University" title="Macquarie University">Macquarie University</a>, Future Fellow, 2010–present.</li> <li><a href="/wiki/Marine_Science_Institute" title="Marine Science Institute">Marine Science Institute</a>, <a href="/wiki/University_of_California,_Santa_Barbara" title="University of California, Santa Barbara">University of California, Santa Barbara</a>, Assistant and later Associate Researcher, 2000–2010.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/National_Center_for_Ecological_Analysis_and_Synthesis" title="National Center for Ecological Analysis and Synthesis">National Center for Ecological Analysis and Synthesis</a>, Post-doctoral Fellow, 1998–2000, and Center Associate, 2000–2010.</li> <li><a href="/wiki/University_of_Arizona" title="University of Arizona">University of Arizona</a>, Research Training Group in the Analysis of Biodiversification, 1994–1996.</li> <li><a href="/wiki/Smithsonian_Institution" title="Smithsonian Institution">Smithsonian Institution</a>, Predoctoral internship, Department of Paleobiology and Evolution of Terrestrial Ecosystems consortium, 1989–1990.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Selected_publications">Selected publications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Alroy&action=edit&section=4" title="Edit section: Selected publications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>The shifting balance of diversity among major marine animal groups. <a href="/wiki/Science_(journal)" title="Science (journal)">Science</a> 329:1191–1194 (2010).</li> <li>Speciation and extinction in the fossil record of North American mammals. pp. 301–323 in R. Butlin, J. Bridle, and D. Schluter (eds.), Speciation and Patterns of Diversity. Cambridge University Press, Cambridge (2009).</li> <li>Dynamics of origination and extinction in the marine fossil record. PNAS 105:11536-11542 (2008).</li> <li>Phanerozoic trends in the global diversity of marine invertebrates. <a href="/wiki/Science_(journal)" title="Science (journal)">Science</a> 321:97–100 (with 34 others: 2008).</li> <li>Statistical independence of escalatory ecological trends in Phanerozoic marine invertebrates. <a href="/wiki/Science_(journal)" title="Science (journal)">Science</a> 312:897–900 (with Madin et al.: 2006).</li> <li>A multispecies overkill simulation of the end-Pleistocene megafaunal mass extinction. <a href="/wiki/Science_(journal)" title="Science (journal)">Science</a> 292:1893–1896 (2001).</li> <li>Global climate change and North American mammalian evolution by John Alroy, Paul L. Koch, and James C. Zachos; The Paleontological Society (2000).<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li> <li>Successive approximations of diversity curves: Ten more years in the library. <a href="/wiki/Geology_(journal)" title="Geology (journal)">Geology</a> 28:1023–1026 (2000).</li> <li>Equilibrial diversity dynamics in North American mammals. pp. 232–287 in M. L. McKinney and J. Drake (eds.), Biodiversity Dynamics: Turnover of Populations, Taxa and Communities. Columbia University Press, York (1998).</li> <li>Cope's rule and the dynamics of body mass evolution in North American mammals. <a href="/wiki/Science_(journal)" title="Science (journal)">Science</a> 280:731–734.</li> <li>Constant extinction, constrained diversification, and uncoordinated stasis in North American mammals. <a href="/wiki/Palaeogeography,_Palaeoclimatology,_Palaeoecology" title="Palaeogeography, Palaeoclimatology, Palaeoecology">Palaeogeography, Palaeoclimatology, Palaeoecology</a> 127:285–311 (1996).</li></ul> <div class="mw-heading mw-heading2"><h2 id="Honors">Honors</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Alroy&action=edit&section=5" title="Edit section: Honors"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>2010 <a href="/wiki/NAS_Award_for_Scientific_Reviewing" title="NAS Award for Scientific Reviewing">NAS Award for Scientific Reviewing</a> from the <a href="/wiki/National_Academy_of_Sciences" title="National Academy of Sciences">National Academy of Sciences</a>.<sup id="cite_ref-Reviewing_4-0" class="reference"><a href="#cite_note-Reviewing-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></li> <li>2007 Charles Schuchert Award of the <a href="/wiki/Paleontological_Society" title="Paleontological Society">Paleontological Society</a>.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li> <li>1994 <a href="/wiki/Romer_Prize" class="mw-redirect" title="Romer Prize">Romer Prize</a> of the <a href="/wiki/Society_of_Vertebrate_Paleontology" title="Society of Vertebrate Paleontology">Society of Vertebrate Paleontology</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Appearance_event_ordination">Appearance event ordination</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Alroy&action=edit&section=6" title="Edit section: Appearance event ordination"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Appearance_Event_Ordination" class="mw-redirect" title="Appearance Event Ordination">Appearance Event Ordination</a> (AEO) is a superior form of dating fossil collections, according to Alroy. Age assignments to North American land mammals are provided for comparison and may disagree with the <b>AEO</b> estimates because they are taken straight from published sources. Therefore, the assignments reflect the subjective opinions of the authors who described the fossils. They are not based on <a href="/wiki/Quantitative_analysis_(chemistry)" title="Quantitative analysis (chemistry)">quantitative analyses</a> of faunal and <a href="/wiki/Biostratigraphic" class="mw-redirect" title="Biostratigraphic">biostratigraphic</a> data. </p><p>"AEO age estimates are preferable because they are objective, repeatable, and quantitative. That's because AEO uses explicitly recorded and clearly defined numerical data, and because it uses algorithmic search and optimization criteria instead of verbal argumentation." </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Alroy&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external free" href="http://chronicle.uchicago.edu/081023/paleontology.shtml">http://chronicle.uchicago.edu/081023/paleontology.shtml</a> University of Chicago Chronicle, Paleontology flourishes in 'Chicago-zoic' era by Steve Koppes</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.msi.ucsb.edu/">Marine Science Institute: Researchers at MSI</a></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://es.ucsc.edu/~jzachos/pubs/Alroy_etal_2000.pdf">Global climate change and North American mammalian evolution by John Alroy, Paul L. Koch, and James C. Zachos; The Paleontological Society (2000)</a></span> </li> <li id="cite_note-Reviewing-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-Reviewing_4-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110318130922/http://www.nasonline.org/site/PageServer?pagename=AWARDS_scirev">"NAS Award for Scientific Reviewing"</a>. National Academy of Sciences. Archived from <a rel="nofollow" class="external text" href="http://www.nasonline.org/site/PageServer?pagename=AWARDS_scirev">the original</a> on 18 March 2011<span class="reference-accessdate">. Retrieved <span class="nowrap">27 February</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=NAS+Award+for+Scientific+Reviewing&rft.pub=National+Academy+of+Sciences&rft_id=http%3A%2F%2Fwww.nasonline.org%2Fsite%2FPageServer%3Fpagename%3DAWARDS_scirev&rfr_id=info%3Asid%2Fen.wikipedia.org%3AJohn+Alroy" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120223073509/http://www.nceas.ucsb.edu/files/news/pressrelalroyaward.pdf">"John Alroy Honored: Paleontological Society Announces 2007 Charles Schuchert Award, UCSB"</a> <span class="cs1-format">(PDF)</span>. Archived from <a rel="nofollow" class="external text" href="http://www.nceas.ucsb.edu/files/news/pressrelalroyaward.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 23 February 2012<span class="reference-accessdate">. Retrieved <span class="nowrap">17 January</span> 2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=John+Alroy+Honored%3A+Paleontological+Society+Announces+2007+Charles+Schuchert+Award%2C+UCSB.&rft_id=http%3A%2F%2Fwww.nceas.ucsb.edu%2Ffiles%2Fnews%2Fpressrelalroyaward.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AJohn+Alroy" class="Z3988"></span></span> </li> </ol></div></div> <ul><li><small><a rel="nofollow" class="external free" href="http://www.nceas.ucsb.edu/~alroy/">http://www.nceas.ucsb.edu/~alroy/</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190130020331/https://www.nceas.ucsb.edu/~alroy/">Archived</a> 30 January 2019 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> University of California, Santa Barbara.</small></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist 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