  {"id":25521,"date":"2014-06-24T15:57:07","date_gmt":"2014-06-25T01:57:07","guid":{"rendered":"http:\/\/www.hawaii.edu\/news\/?p=25521"},"modified":"2021-10-29T12:18:37","modified_gmt":"2021-10-29T22:18:37","slug":"loihi-seamounts-iron-oxidizing-bacteria-focus-of-ocean-expedition","status":"publish","type":"post","link":"https:\/\/www.hawaii.edu\/news\/2014\/06\/24\/loihi-seamounts-iron-oxidizing-bacteria-focus-of-ocean-expedition\/","title":{"rendered":"<span aria-label=\"Loihi\">L\u014d\u02bbihi<\/span> Seamount\u2019s iron-oxidizing bacteria focus of ocean expedition"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading time: <\/span> <span class=\"rt-time\"> &lt; 1<\/span> <span class=\"rt-label rt-postfix\">minute<\/span><\/span><figure id=\"attachment_25553\" aria-describedby=\"caption-attachment-25553\" style=\"width: 400px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2014\/06\/soest-iron-oxidizing-microbes.jpg\" alt=\"\" width=\"400\" height=\"232\" class=\"size-full wp-image-25553\" srcset=\"https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2014\/06\/soest-iron-oxidizing-microbes.jpg 400w, https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2014\/06\/soest-iron-oxidizing-microbes-260x150.jpg 260w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><figcaption id=\"caption-attachment-25553\" class=\"wp-caption-text\">Sampling mats of iron-oxidizing microbes (photo credit: Brian Glazer, courtesy of <abbr title=\"Woods Hole Oceanographic Institution\">WHOI<\/abbr> <abbr title=Remotely Operated Vehicle\">ROV Jason <\/abbr><abbr title=\"two\">II<\/abbr>)<\/figcaption><\/figure>\n<p>Beginning on June 25, the University of <span aria-label=\"Hawaii\">Âé¶¹´«Ã½<\/span> at M&#257;noa&#8217;s <a href=\"http:\/\/www.soest.hawaii.edu\/\">School of Ocean and Earth Science and Technology<\/a> will lead an expedition to <span aria-label=\"Loihi\">L&#333;&#699;ihi<\/span> Seamount, southeast of the island of Âé¶¹´«Ã½, whose base remains largely unexplored. <strong>Brian Glazer<\/strong>, lead scientist and associate professor of oceanography, and his research team will map the Seamount&#8217;s deeper reaches aboard the <a href=\"http:\/\/www.schmidtocean.org\/\">Schmidt Ocean Institute&#8217;s<\/a> <abbr>R\/V<\/abbr> <em>Falkor<\/em> using the Woods Hole Oceanographic Institution&#8217;s <a href=\"http:\/\/www.whoi.edu\/main\/sentry\"><em>Sentry<\/em><\/a> autonomous underwater vehicle.<\/p>\n<p>The team, including researchers from <abbr>UH<\/abbr> M&#257;noa, <a href=\"http:\/\/www1.umn.edu\/twincities\/index.html\">University of Minnesota<\/a>, <abbr>IFREMER<\/abbr> Centre de Brest and <a href=\"http:\/\/www.whoi.edu\/\">Woods Hole Oceanographic Institution<\/a>, will also collect water column samples and explore <span aria-label=\"Loihi\">L&#333;&#699;ihi<\/span>&#8217;s extraordinary mats of iron-oxidizing bacteria&#038;#8212microbes that are able to use iron as an energy source, creating rust in the process.<\/p>\n<ul>\n<li>Schmidt Ocean Institute story: <a href=\"http:\/\/www.schmidtocean.org\/story\/show\/2225\">&ldquo;Iron eaters of <span aria-label=\"Loihi\">L&#333;&#699;ihi<\/span> Seamount&rdquo;<\/a><\/li>\n<\/ul>\n<p>Mats of iron-oxidizing bacteria are not uncommon in hydrothermal vent fields. However, the microbial mats at the base of <span aria-label=\"Loihi\">L&#333;&#699;ihi<\/span> are extensive and impressively thick&#8212;a meter or more deep at some sites.<\/p>\n<p>Processes at <span aria-label=\"Loihi\">L&#333;&#699;ihi<\/span> have the potential to provide iron to a large area of the Pacific Ocean. &ldquo;<span aria-label=\"Loihi\">L&#333;&#699;ihi<\/span> is a giant leaky iron mountain, providing plenty of energy for iron-eating bacteria near the vents, and pumping iron out into the ocean as the hydrothermal fluids disperse,&rdquo; said  Glazer.<\/p>\n<p>&ldquo;Iron-oxidizing microbial activity like what is occurring at <span aria-label=\"Loihi\">L&#333;&#699;ihi<\/span>  could be an important component in the ocean&#8217;s iron and carbon cycling&#8212;a critical driver in overall ocean balance&#8212;particularly if exploration proves the activity is more widespread than previously thought,&rdquo; adds Glazer.<\/p>\n<p>The work aboard the <abbr>R\/V<\/abbr> <em>Falkor<\/em> could also have implications for the search for life elsewhere in the solar system.<\/p>\n<p>&ldquo;At various times in Earth history, much of the world ocean was dominated by processes that are occurring at <span aria-label=\"Loihi\">L&#333;&#699;ihi<\/span> today. In accessing <span aria-label=\"Loihi\">L&#333;&#699;ihi<\/span>, we have a window to the ancient Earth that also provides clues about the potential for life &lsquo;out there&rsquo; in habitats that could exist on places like Mars or Europa,&rdquo; said Glazer.<\/p>\n<p>For more information, read the <a href=\"http:\/\/www.hawaii.edu\/news\/article.php?aId=6590\">School of Ocean and Earth Science and Technology news release<\/a>.<\/p>\n<h2>Schmidt Ocean Institute and <abbr>UH<\/abbr> cruises<\/h2>\n<p>Including the current expedition, <abbr>UH<\/abbr> M&#257;noa <a href=\"http:\/\/www.soest.hawaii.edu\/\">School of Ocean and Earth Science and Technology<\/a> scientists were awarded nearly 100 days at sea aboard <a href=\"http:\/\/www.schmidtocean.org\/story\/show\/47\"><abbr>R\/V<\/abbr> <em>Falkor<\/em><\/a>.<\/p>\n<p>This opportunity, along with the past <abbr>UH<\/abbr> research cruises on the <abbr>R\/V<\/abbr> <em>Falkor<\/em>, has supported ocean research in Âé¶¹´«Ã½, contributing to enhanced understanding of these important marine ecosystems.<\/p>\n<ul>\n<li><abbr>UH<\/abbr> News story: <a href=\"http:\/\/www.hawaii.edu\/news\/2014\/04\/23\/scientists-chart-seafloor-of-one-of-earths-largest-marine-protected-areas\/\">&ldquo;Scientists chart seafloor of one of Earth&#8217;s largest marine protected areas&rdquo;<\/a><\/li>\n<li>Schmidt Ocean Institute story: <a href=\"http:\/\/www.schmidtocean.org\/story\/show\/2216\">Reavealing the hiddent Papah&#257;naumoku&#257;kea Marine Monument<\/a><\/li>\n<li><abbr>UH<\/abbr> News story: <a href=\"http:\/\/www.hawaii.edu\/news\/2014\/02\/14\/graduate-students-lead-research-effort-aboard-the-rv-falkor\/\">&ldquo;Graduate students lead research effort aboard the <abbr>R\/V<\/abbr> <em>Falkor<\/em>&rdquo;<\/a><\/li>\n<li>Schmidt Ocean Institute story: <a href=\"http:\/\/www.schmidtocean.org\/story\/show\/2245\">Student cruise one: The secret lives of whales<\/a><\/li>\n<li>Schmidt Ocean Institute story: <a href=\"http:\/\/www.schmidtocean.org\/story\/show\/2452\">Student cruise two: Deeper views<\/a><\/li>\n<li><abbr>UH<\/abbr> News story: <a href=\"http:\/\/www.hawaii.edu\/news\/2014\/06\/19\/uh-students-return-from-final-schmidt-ocean-institute-expedition\/\">&ldquo;<abbr>UH<\/abbr> students return from final Schmidt Ocean Institute expedition&rdquo;<\/a><\/li>\n<li>Schmidt Ocean Institute story: <a href=\"http:\/\/www.schmidtocean.org\/story\/show\/2689\">Student cruise three: Net gains at Station ALOHA<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><abbr>UH<\/abbr> M&#257;noa&#8217;s School of Ocean and Earth Science and Technology leads an expedition to the <span aria-label=\"Loihi\">L&#333;&#699;ihi<\/span> Seamount.<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[107,92,9],"class_list":["post-25521","post","type-post","status-publish","format-standard","hentry","category-research","tag-oceanography","tag-school-of-ocean-and-earth-science-and-technology","tag-uh-manoa","entry","no-media"],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts\/25521","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/comments?post=25521"}],"version-history":[{"count":24,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts\/25521\/revisions"}],"predecessor-version":[{"id":150869,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts\/25521\/revisions\/150869"}],"wp:attachment":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/media?parent=25521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/categories?post=25521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/tags?post=25521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}