Search Results - "Jessen, Gerdhard L."

Effect of tectonic processes on biosphere–geosphere feedbacks across a convergent margin by Fullerton, Katherine M., Schrenk, Matthew O., Yücel, Mustafa, Manini, Elena, Basili, Marco, Rogers, Timothy J., Fattorini, Daniele, Di Carlo, Marta, d’Errico, Giuseppe, Regoli, Francesco, Nakagawa, Mayuko, Vetriani, Costantino, Smedile, Francesco, Ramírez, Carlos, Miller, Heather, Morrison, Shaunna M., Buongiorno, Joy, Jessen, Gerdhard L., Steen, Andrew D., Martínez, María, de Moor, J. Maarten, Barry, Peter H., Giovannelli, Donato, Lloyd, Karen G.

“…The subsurface is among Earth’s largest biomes, but the extent to which microbial communities vary across tectonic plate boundaries or interact with…”
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Complex organic matter degradation by secondary consumers in chemolithoautotrophy-based subsurface geothermal ecosystems by Paul, Raegan, Rogers, Timothy J, Fullerton, Kate M, Selci, Matteo, Cascone, Martina, Stokes, Murray H, Steen, Andrew D, de Moor, J. Maarten, Chiodi, Agostina, Stefánsson, Andri, Halldórsson, Sæmundur A, Ramirez, Carlos J, Jessen, Gerdhard L, Barry, Peter H, Cordone, Angelina, Giovannelli, Donato, Lloyd, Karen G

“…Microbial communities in terrestrial geothermal systems often contain chemolithoautotrophs with well-characterized distributions and metabolic capabilities…”
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Hypoxia causes preservation of labile organic matter and changes seafloor microbial community composition (Black Sea) by Jessen, Gerdhard L, Lichtschlag, Anna, Ramette, Alban, Pantoja, Silvio, Rossel, Pamela E, Schubert, Carsten J, Struck, Ulrich, Boetius, Antje

“…Bottom-water oxygen supply is a key factor governing the biogeochemistry and community composition of marine sediments. Whether it also determines carbon…”
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Subsurface microbial community structure shifts along the geological features of the Central American Volcanic Arc by Basili, Marco, Rogers, Timothy J, Nakagawa, Mayuko, Yücel, Mustafa, de Moor, J. Maarten, Barry, Peter H, Schrenk, Matthew O, Jessen, Gerdhard L, Sánchez-Murillo, Ricardo, Zahirovic, Sabin, Bekaert, David V, Ramirez, Carlos J, Bastoni, Deborah, Cordone, Angelina, Lloyd, Karen G, Giovannelli, Donato

“…Subduction of the Cocos and Nazca oceanic plates beneath the Caribbean plate drives the upward movement of deep fluids enriched in carbon, nitrogen, sulfur,…”
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Putative Mixotrophic Nitrifying-Denitrifying Gammaproteobacteria Implicated in Nitrogen Cycling Within the Ammonia/Oxygen Transition Zone of an Oil Sands Pit Lake by Mori, Jiro F., Chen, Lin-Xing, Jessen, Gerdhard L., Rudderham, Sarah B., McBeth, Joyce M., Lindsay, Matthew B. J., Slater, Gregory F., Banfield, Jillian F., Warren, Lesley A.

“…Anthropogenically-impacted environments offer the opportunity to discover novel microbial species and metabolisms, which may be undetectable in natural…”
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Sampling across large-scale geological gradients to study geosphere-biosphere interactions by Giovannelli, Donato, Barry, Peter H, de Moor, J Maarten, Jessen, Gerdhard L, Schrenk, Matthew O, Lloyd, Karen G

“…Despite being one of the largest microbial ecosystems on Earth, many basic open questions remain about how life exists and thrives in the deep subsurface…”
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The Potential Role of Halothiobacillus spp. in Sulfur Oxidation and Acid Generation in Circum-Neutral Mine Tailings Reservoirs by Whaley-Martin, Kelly, Jessen, Gerdhard L, Nelson, Tara Colenbrander, Mori, Jiro F, Apte, Simon, Jarolimek, Chad, Warren, Lesley A

“…The biogeochemistry of acid mine drainage (AMD) derived from waste rock associated sulfide mineral oxidation is relatively well-characterized and linked to…”
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Alum Addition Triggers Hypoxia in an Engineered Pit Lake by Jessen, Gerdhard L, Chen, Lin-Xing, Mori, Jiro F, Nelson, Tara E Colenbrander, Slater, Gregory F, Lindsay, Matthew B J, Banfield, Jillian F, Warren, Lesley A

“…Here, we examine the geobiological response to a whole-lake alum (aluminum sulfate) treatment (2016) of Base Mine Lake (BML), the first pilot-scale pit lake…”
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Isotopic and Chemical Assessment of the Dynamics of Methane Sources and Microbial Cycling during Early Development of an Oil Sands Pit Lake by Slater, Greg F, Goad, Corey A, Lindsay, Matthew B J, Mumford, Kevin G, Colenbrander Nelson, Tara E, Brady, Allyson L, Jessen, Gerdhard L, Warren, Lesley A

“…Water-capped tailings technology (WCTT) is a key component of the reclamation strategies in the Athabasca oil sands region (AOSR) of northeastern Alberta,…”
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Wide Distribution of Phage That Infect Freshwater SAR11 Bacteria by Chen, Lin-Xing, Zhao, Yanlin, McMahon, Katherine D., Mori, Jiro F., Jessen, Gerdhard L., Nelson, Tara Colenbrander, Warren, Lesley A., Banfield, Jillian F.

“…Fonsibacter represents a significant microbial group of freshwater ecosystems. Although the genomic and metabolic features of these bacteria have been well…”
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Chemolithoautotroph distributions across the subsurface of a convergent margin by Rogers, Timothy J., Buongiorno, Joy, Jessen, Gerdhard L., Schrenk, Matthew O., Fordyce, James A., de Moor, J. Maarten, Ramírez, Carlos J., Barry, Peter H., Yücel, Mustafa, Selci, Matteo, Cordone, Angela, Giovannelli, Donato, Lloyd, Karen G.

“…Subducting oceanic crusts release fluids rich in biologically relevant compounds into the overriding plate, fueling subsurface chemolithoautotrophic…”
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Distribution and Composition of Thiotrophic Mats in the Hypoxic Zone of the Black Sea (150-170 m Water Depth, Crimea Margin) by Jessen, Gerdhard L, Lichtschlag, Anna, Struck, Ulrich, Boetius, Antje

“…At the Black Sea chemocline, oxygen- and sulfide-rich waters meet and form a niche for thiotrophic pelagic bacteria. Here we investigated an area of the…”
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Chemosynthetic trophic support for the benthic community at an intertidal cold seep site at Mocha Island off central Chile by Sellanes, Javier, Zapata-Hernández, Germán, Pantoja, Silvio, Jessen, Gerdhard L.

“…We analyzed C and N stable isotope ratios of benthic fauna and their potential food sources at an intertidal methane seep site and a control site without…”
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Microbial Succession Signals the Initiation of Acidification in Mining Wastewaters by Camacho, David, Jessen, Gerdhard L., Mori, Jiro F., Apte, Simon C., Jarolimek, Chad V., Warren, Lesley A.

“…We characterized the sulfur geochemistry and microbial community structure of seven circumneutral wastewaters from two Canadian nickel mines collected in…”
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Methane in shallow cold seeps at Mocha Island off central Chile by Jessen, Gerdhard L., Pantoja, Silvio, Gutiérrez, Marcelo A., Quiñones, Renato A., González, Rodrigo R., Sellanes, Javier, Kellermann, Matthias Y., Hinrichs, Kai-Uwe

“…We studied for the first time the intertidal and subtidal gas seepage system in Mocha Island off Central Chile. Four main seepage sites were investigated (of…”
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Tracing the orogenic sulfur cycle in the Andes using stable isotope composition of dissolved sulfate in thermal springs by Grambling, Tyler A., Newell, Dennis L., Lloyd, Karen G., Hiett, Coleman D., Upin, Heather, Barry, Peter H., Giovannelli, Donato, de Moor, J. Maarten, Chiodi, Agostina, Jessen, Gerdhard L., Blamey, Jenny M., Szynkiewicz, Anna

“…The cycling of sulfur (S) to the upper crust and surface via thermal springs at convergent margins has not been explored outside areas with active arc…”
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Effect of tectonic processes on biosphere–geosphere feedbacks across a convergent margin by Fullerton, Katherine M., Schrenk, Matthew O., Yücel, Mustafa, Manini, Elena, Basili, Marco, Rogers, Timothy J., Fattorini, Daniele, Di Carlo, Marta, d’Errico, Giuseppe, Regoli, Francesco, Nakagawa, Mayuko, Vetriani, Costantino, Smedile, Francesco, Ramírez, Carlos, Miller, Heather, Morrison, Shaunna M., Buongiorno, Joy, Jessen, Gerdhard L., Steen, Andrew D., Martínez, María, de Moor, J. Maarten, Barry, Peter H., Giovannelli, Donato, Lloyd, Karen G.

“…The subsurface is among Earth’s largest biomes, but the extent to which microbial communities vary across tectonic plate boundaries or interact with…”
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Targeting deeply-sourced seeps along the Central Volcanic Zone by Bastoni, Deborah, Aguilera, Mauricio, Aguilera, Felipe, Blamey, Jenny M., Buongiorno, Joy, Chiodi, Agostina, Cordone, Angelina, Esquivel, Alfredo, Giardina, Marco, Gonzalez, Cristobal, Gutierrez, Joaquin, Irarrazabal, Nahun, Krukenberg, Viola, Layana, Susana, Pasotti, Jacopo, Ramirez, Carlos J., Rodriguez, Alejandro, Rogers, Timothy J., Rojas, Claudia, Sánchez-SanMartín, Jorge, Schrenk, Matt O., Vallejos, Hector, Jessen, Gerdhard L., Barry, Peter H., de Moor, J. Maarten, Lloyd, Karen G., Giovannelli, Donato

“…At convergent margins, plates collide producing a subduction process. When an oceanic plate collides with a continental plate, the denser (i.e., oceanic) plate…”
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Ultrahigh-precision noble gas isotope analyses reveal pervasive subsurface fractionation in hydrothermal systems by Bekaert, David V, Barry, Peter H, Broadley, Michael W, Byrne, David J, Marty, Bernard, Ramírez, Carlos J, de Moor, J Maarten, Rodriguez, Alejandro, Hudak, Michael R, Subhas, Adam V, Halldórsson, Saemundur A, Stefánsson, Andri, Caracausi, Antonio, Lloyd, Karen G, Giovannelli, Donato, Seltzer, Alan M

“…Mantle-derived noble gases in volcanic gases are powerful tracers of terrestrial volatile evolution, as they contain mixtures of both primordial (from Earth's…”
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