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Igneous oceanic crust is one of the largest potential habitats for life on earth, and microbial activity supported by rock-water-microbe reactions in this environment can impact global biogeochemical cycles. However, our understanding of the microbiology of this system, especially the subsurface “deep biosphere” component of it, has traditionally been limited by sample availability and quality. Over the past decade, several major international programs (such as the Center for Dark Energy Biosphere Investigations, the current International Ocean Discovery Program and its predecessor Integrated Ocean Drilling Program, and the Deep Carbon Observatory) have focused on advancing our understanding of life in this cryptic, yet globally relevant, biosphere. Additionally, many field and laboratory research programs are examining hydrothermal vent systems –a seafloor expression of seawater that has been thermally and chemically altered in subseafloor crust – and the microbial communities supported by these mineral-rich fluids. The Frontiers in Microbiology 3 September 2017 | Recent Advances in Geomicrobiology of the Ocean Crust papers in this special issue bring together recent discoveries of microbial presence, diversity and activity in these dynamic ocean environments. Cumulatively, the articles in this special issue serve as a tribute to the late Dr. Katrina J. Edwards, who was a pioneer and profound champion of studying microbes that “rust the crust”. This special issue volume serves as a foundation for the continued exploration of the subsurface ocean crust deep biosphere.
IODP --- deep biosphere --- hydrothermal vents --- Geomicrobiology --- ocean crust --- iron oxidation --- sulfate reduction
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Exploring the Earth under the Sea brings to life the worlds largest and longest-lived geological research program, which has been drilling over many decades at many locations deep below the ocean floor to recover continuous cores of sediment and rock. Study of these materials has helped us understand how the Earth works now, how it has worked in the past and how it may work in the future. The cores are a wonderful source of information on the dynamic processes that form and reform the Earth, both beneath the ocean and on land. The results have revealed climate and oceanographic change on different time frames, the history of life in the sea and on land including global mass extinctions, the extraordinary story of the great masses of extremophile microbes that live beneath the sea bed, the nature of the giant earthquakes and tsunami generated at the trenches where tectonic plates collide, and the nature of submarine volcanoes and metalliferous deposits. This book outlines the technology and enduring international partnerships that underlie the scientific ocean drilling accomplished by the first phase of IODP, currently involving 23 countries. It highlights the important role of Australian and New Zealand scientists in the program, and the great scientific benefits we have derived from our partnership since joining IODP in 2008. As well as the scientific summaries, there are personal accounts by shipboard scientists of how they found life at sea on two month expeditions, working 12 hour shifts on a noisy drill ship.
Underwater exploration --- Exploration, Submarine --- Exploration, Underwater --- Ocean exploration --- Submarine exploration --- Under water exploration --- Undersea exploration --- Oceanography --- New Zealand --- Australia --- Ahitereiria --- Aostralia --- Ástralía --- ʻAukekulelia --- Austraalia --- Austraalia Ühendus --- Australian Government --- Australie --- Australien --- Australiese Gemenebes --- Aŭstralii͡ --- Australija --- Austrālijas Savienība --- Australijos Sandrauga --- Aŭstralio --- Australské společenstv --- Ausztrál Államszövetség --- Ausztrália --- Avstralii͡ --- Avstraliĭski sŭi͡uz --- Avstraliĭskiĭ Soi͡uz --- Avstraliĭskii͡at sŭi͡uz --- Avstralija --- Awstralia --- Awstralja --- Awstralya --- Aystralia --- Commonwealth of Australia --- Cymanwlad Awstralia --- Državna zaednica Avstralija --- Government of Australia --- Ḳehiliyat Osṭralyah --- Koinopoliteia tēs Aystralias --- Komanwel Australia --- Komonveltot na Avstralija --- Komonwelt sa Awstralya --- Komunaĵo de Aŭstralio --- Komunejo de Aŭstralio --- Kūmunwālth al-Usturāl --- Mancomunidad de Australia --- Mancomunitat d'Austràlia --- Negara Persemakmuran Australia --- New Holland --- Nova Hollandia --- Osṭralyah --- Ōsutoraria --- Persemakmuran Australia --- Samveldið Ástralía --- Usṭralyah --- Usturāliy --- Whakaminenga o Ahitereiria --- Aotearoa --- Nea Zēlandia --- Neu-Seeland --- Neuseeland --- Nieu-Seeland --- Niu-hsi-lan --- Nouvelle-Zélande --- Nov-Zelando --- Nova Zelanda --- Nova Zelandii͡ --- Novai͡a Zelandii͡ --- Novai͡a Zelandyi͡ --- Novi Zeland --- Nový Zéland --- Novzelando --- Nowa Zelandia --- Nu Ziland --- Nueva Zelanda --- Nueva Zelandia --- Nuova Zelanda --- Nya Zeeland --- Nýja-Sjáland --- Nýsæland --- Nyū Jīrando --- Nyu Ziland --- Nyūjīrando --- NZ --- Seland Newydd --- Uus-Meremaa --- Zeelanda Berria --- ocean drilling --- iodp --- Integrated Ocean Drilling Program --- International Ocean Discovery Program
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