Jens Kallmeyer
Reproducibility track record
2
assessed papers
68/100
mean reproducibility
1
reproduced (C1–C2)
0
flagged
16
total citations
flag rate:
0%
(0/2)
The share of this author’s assessed papers carrying a ⚑ flag. A concentration is a prompt for expert review — never, on its own, a determination about the person.
Frequent co-authors
Cynthia Henny 2Sizhong Yang 2Alexander Bartholomäus 2Aurèle Vuillemin 2Fátima Ruiz-Blas 2Dirk Wagner 1James M. Russell 1
Institutions
GFZ Helmholtz Centre for Geosciences 2National Research and Innovation Agency 2National Nuclear Energy Agency of Indonesia 1University of Potsdam 1Institute of Geosciences 1Planetary Science Institute 1
Geography (author institutions)
DE 2ID 2US 1
Co-author network
Collaborators, sized by shared output and coloured by their own reproducibility (green = high, red = low). Click a node to open their card. A pattern is a prompt for review, never a determination.
How this author’s assessed papers reproduced — the outcome of reproduction attempts, not a judgement of the person. Coverage is partial and grows over time.
Assessed papers (2)
Complete publication record (261)
Request a reproduction →2 assessed by us (1 reproduced) · 259 not yet assessed — every PubMed paper on record, linked below.
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Geochemical variability and microbial metabolic functions in oligotrophic sediments exposed to minor seepage ↗Frontiers in Microbiology · 2026 · PMID 41648007not yet assessed
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Imprint of minute hydrocarbon seepage on solid phase and pore water geochemistry in organic-poor subseafloor sediment ↗Biogeosciences · 2026not yet assessed
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Geochemistry of sediments from Fehmarn Belt area, southern Baltic Sea during cruise EMB238 ↗Open MIND · 2026not yet assessed
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Microbial sulfate reduction rates in sediments from Fehmarn Belt area, southern Baltic Sea during cruise EMB238 ↗Open MIND · 2026not yet assessed
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Geochemistry of pore waters and microbial sulfate reduction rates in sediments from Fehmarn Belt area, southern Baltic Sea during cruise EMB238 ↗Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research) · 2026not yet assessed
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Geochemistry of pore waters from Fehmarn Belt area, southern Baltic Sea during cruise EMB238 ↗Open MIND · 2026not yet assessed
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Microbial diversity and community shifts in a petroleum reservoir under production: effects of water breakthrough and anthropogenic alterations ↗Frontiers in Microbiology · 2026not yet assessed
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Deep Microbial Colonization in 2-Billion-Year-Old Ultramafic Rock from the Bushveld Complex ↗bioRxiv (Cold Spring Harbor Laboratory) · 2026not yet assessed
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The Deep Subsurface Biosphere and its Substrates Along a One-Million-Year Ferruginous Lake Archive ↗Microbial Ecology · 2025 · PMID 40461733not yet assessed
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Sulfate reduction rates in Peru Margin sediments: From 1 cm to 100 m below seafloor ↗Geochimica et Cosmochimica Acta · 2025not yet assessed
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Influence of minor hydrocarbon seepage on sulfur cycling in marine subsurface sediments ↗Biogeosciences · 2025not yet assessed
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Cryptic sulfur cycling in the deep biosphere of ferruginous Lake Towuti, Indonesia ↗Frontiers in Microbiology · 2025 · PMID 41459228not yet assessed
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Microbial Worlds Apart: Distinct Communities in Crude Oil and Production Waters ↗bioRxiv (Cold Spring Harbor Laboratory) · 2025not yet assessed
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Metagenomic analysis of pristine oil sheds new light on the global distribution of microbial genetic repertoire in hydrocarbon-associated ecosystems ↗microLife · 2025 · PMID 39877152not yet assessed
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Systematic evaluation of protein extraction for metaproteomic analysis of marine sediment with high clay content ↗ISME Communications · 2025 · PMID 40568302not yet assessed
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Microbial Diversity and Community Shifts in a Petroleum Reservoir under Production: Effects of Water Breakthrough and Anthropogenic Alterations ↗bioRxiv (Cold Spring Harbor Laboratory) · 2025 · PMID 41939710not yet assessed
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Reduction of carbon, alkalinity and nutrient fluxes in the southern Baltic Sea caused by dragging of otter trawl nets across the seafloor ↗Biogeosciences · 2025not yet assessed
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Multiple modes of methanogenesis in deep hydrothermally-influenced subsurface sediments ↗Research Square · 2025not yet assessed
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Reply on RC2 ↗2025not yet assessed
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Reply on CC1 ↗2025not yet assessed
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Reply on RC1 ↗2025not yet assessed
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Taxonomic and functional partitioning of Chloroflexota populations under ferruginous conditions at and below the sediment-water interfaceFEMS Microbiology Ecology · 2024 · PMID 39384533L1 85/100
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Microbial impact on initial soil formation in arid and semiarid environments under simulated climate change ↗Frontiers in Microbiology · 2024 · PMID 38298893not yet assessed
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Metabolic features that select for Bathyarchaeia in modern ferruginous lacustrine subsurface sedimentsISME Communications · 2024 · PMID 39660009L1 50/100
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Subsurface Microbial Colonization at Mineral-Filled Veins in 2-Billion-Year-Old Mafic Rock from the Bushveld Igneous Complex, South Africa ↗Microbial Ecology · 2024 · PMID 39354222not yet assessed
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Continental scientific drilling and microbiology: (extremely) low biomass in bedrock of central Sweden ↗Biogeosciences · 2024not yet assessed
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Hydrogeochemical and microbial characterization of a Middle Triassic carbonate aquifer (Muschelkalk) in Berlin and geochemical simulation of its use as a high-temperature aquifer thermal energy storage ↗Geothermal Energy · 2024not yet assessed
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Microbial diversity and biogeochemical interactions in the seismically active and CO2- rich Eger Rift ecosystem ↗Environmental Microbiome · 2024 · PMID 39722025not yet assessed
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Microbial anabolic and catabolic utilization of hydrocarbons in deep subseafloor sediments of Guaymas Basin ↗FEMS Microbiology Ecology · 2024 · PMID 38955392not yet assessed
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Microbial assemblages in Arctic coastal thermokarst lakes and lagoons ↗FEMS Microbiology Ecology · 2024 · PMID 38308515not yet assessed
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The role of anthropogenic influences on a tropical lake ecosystem and its surrounding catchment: a case study of Lake Sentani ↗FEMS Microbiology Ecology · 2024 · PMID 39689918not yet assessed
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Methane Cycling Communities in Arctic coastal and submarine permafrost environments  ↗2024not yet assessed
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Subsurface Microbial Colonization at Mineral-Filled Veins in 2-Billion-Year-Old Igneous Rock from the Bushveld Complex, South Africa ↗bioRxiv (Cold Spring Harbor Laboratory) · 2024not yet assessed
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Reply on RC1 ↗2024not yet assessed
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Reply on RC2 ↗2024not yet assessed
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MGF-Salinity: Assessing the impact of mobile bottom trawl fishing in marine protected areas (Natura 2000) of the western Baltic Sea, and investigations of bacterioplankton along the salinity gradient of the Baltic Sea, Cruise No. EMB320 / Legs 1+2+3, 16.06.2023 - 03.07.2023, Rostock (Germany) - Rostock (Germany) ↗Helmholtz-Zentrum für Polar-und Meeresforschung (Alfred-Wegener-Institut) · 2024not yet assessed
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Microbial methane cycling in sediments of Arctic thermokarst lagoons ↗Global Change Biology · 2023 · PMID 36811358not yet assessed
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Bottom-trawling signals lost in sediment: A combined biogeochemical and modeling approach to early diagenesis in a perturbed coastal area of the southern Baltic Sea ↗The Science of The Total Environment · 2023 · PMID 37802344not yet assessed
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Liquid scintillation counting at the limit of detection in biogeosciences ↗Frontiers in Microbiology · 2023 · PMID 37485520not yet assessed
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Enrichment of rare methanogenic Archaea shows their important ecological role in natural high-CO2 terrestrial subsurface environments ↗Frontiers in Microbiology · 2023 · PMID 37293225not yet assessed
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Clay‐associated microbial communities and their relevance for a nuclear waste repository in the Opalinus Clay rock formation ↗MicrobiologyOpen · 2023 · PMID 37642485not yet assessed
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Authigenic minerals reflect microbial control on pore waters in a ferruginous analogue ↗Geochemical Perspectives Letters · 2023not yet assessed
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A modified isooctane‐based DNA extraction method from crude oil ↗mLife · 2023 · PMID 38817811not yet assessed
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Bacterial and Archaeal DNA from Lake Sediments ↗Developments in paleoenvironmental research · 2023not yet assessed
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Workshop on drilling the Nicaraguan lakes: bridging continents and oceans (NICA-BRIDGE) ↗Scientific Drilling · 2023not yet assessed
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Brackish Water Rewetting of a Temperate Coastal Peatland: Effects on Biogeochemistry, Microorganisms and Greenhouse Gas Emissions ↗SSRN Electronic Journal · 2023not yet assessed
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Anabolic and Catabolic Microbial Activity in Hydrocarbon-rich Sediments of Guaymas Basin ↗ARPHA Conference Abstracts · 2023not yet assessed
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Isotope signatures of siderites spanning 1 Ma of depositional historyin ferruginous Lake Towuti. ↗2023not yet assessed
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Rapid metabolism fosters microbial survival in the deep, hot subseafloor biosphere ↗Nature Communications · 2022 · PMID 35078973not yet assessed
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Expanding the phylogenetic distribution of cytochrome <i>b</i>-containing methanogenic archaea sheds light on the evolution of methanogenesis ↗The ISME Journal · 2022 · PMID 35810262not yet assessed
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A one-million-year isotope record from siderites formed in modern ferruginous sediments ↗Geological Society of America Bulletin · 2022not yet assessed
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ICDP drilling of the Eger Rift observatory: magmatic fluids driving the earthquake swarms and deep biosphere ↗Scientific Drilling · 2022not yet assessed
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Effects of brackish water inflow on methane-cycling microbial communities in a freshwater rewetted coastal fen ↗Biogeosciences · 2022not yet assessed
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Biological Sulfate Reduction in Deep Subseafloor Sediment of Guaymas Basin ↗Frontiers in Microbiology · 2022 · PMID 35308366not yet assessed
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NEW APPROACH TO SEPARATE AND DATE SMALL SPORES AND POLLEN FROM LAKE SEDIMENTS IN SEMI-ARID CLIMATES ↗Radiocarbon · 2022not yet assessed
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COSC-2 – drilling the basal décollement and underlying margin of palaeocontinent Baltica in the Paleozoic Caledonide Orogen of Scandinavia ↗Scientific Drilling · 2022not yet assessed
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Surface sediment composition and depositional environments in tropical Lake Sentani, Papua Province, Indonesia ↗Journal of Paleolimnology · 2022not yet assessed
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Circular Metagenome-Assembled Genome of <i>Methanobacterium</i> sp. Strain ERen5, a Putative Methanogenic, H <sub>2</sub> -Utilizing Terrestrial Subsurface Archaeon ↗Microbiology Resource Announcements · 2022 · PMID 36066261not yet assessed
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Anaerobic methane oxidizing archaea offset sediment methane concentrations in Arctic thermokarst lagoons ↗bioRxiv (Cold Spring Harbor Laboratory) · 2022not yet assessed
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Microbial diversity and community dynamics in an active, high CO <sub>2</sub> subsurface rift ecosystem ↗bioRxiv (Cold Spring Harbor Laboratory) · 2022not yet assessed
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Metagenome-Assembled Genome of a Putative Methanogenic <i>Methanosarcina</i> sp. Strain Enriched from Terrestrial High-CO <sub>2</sub> Subsurface Sediments ↗Microbiology Resource Announcements · 2022 · PMID 36321905not yet assessed
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Enabling large-scale hydrogen storage in porous media – the scientific challenges ↗Energy & Environmental Science · 2021not yet assessed
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Organic matter mineralization in modern and ancient ferruginous sediments ↗Nature Communications · 2021 · PMID 33850127not yet assessed
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From exploration to remediation: A microbial perspective for innovation in mining ↗Earth-Science Reviews · 2021not yet assessed
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Congruent changes in microbial community dynamics and ecosystem methane fluxes following natural drought in two restored fens ↗Soil Biology and Biochemistry · 2021not yet assessed
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Geochemical Characteristics of Sediment in Tropical Lake Sentani, Indonesia, Are Influenced by Spatial Differences in Catchment Geology and Water Column Stratification ↗Frontiers in Earth Science · 2021not yet assessed
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Microbial controls on the fate of methane along a thermokarst lake tolagoon transition2021not yet assessed
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Impact of bottom contact trawling on benthic biogeochemical cycling in the Southern Baltic Sea ↗Goldschmidt2021 abstracts · 2021not yet assessed
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Biogeochemical controls of carbon transformation in a drained coastal peatland of the southern Baltic Sea: An isotope and trace element perspective ↗Goldschmidt2021 abstracts · 2021not yet assessed
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IODP Expedition 329, Hole U1368F - Well Logging Data ↗Figshare · 2021not yet assessed
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IODP Expedition 329, Hole U1368F - Well Logging Data ↗Zenodo (CERN European Organization for Nuclear Research) · 2021not yet assessed
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Temperature limits to deep subseafloor life in the Nankai Trough subduction zone ↗Science · 2020 · PMID 33273103not yet assessed
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Vivianite formation in ferruginous sediments from Lake Towuti, Indonesia ↗Biogeosciences · 2020not yet assessed
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Magnetite biomineralization in ferruginous waters and early Earth evolution ↗Earth and Planetary Science Letters · 2020not yet assessed
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Mapping metabolic activity at single cell resolution in intact volcanic fumarole sediment ↗FEMS Microbiology Letters · 2020 · PMID 32055819not yet assessed
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Grenzen des Lebens kennen. Das größte Ökosystem der Erde: die Tiefe Biosphäre ↗Publication Database GFZ (GFZ German Research Centre for Geosciences) · 2020not yet assessed
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含鉄水における磁鉄鉱生物鉱化作用と初期地球進化【JST・京大機械翻訳】Earth and Planetary Science Letters · 2020not yet assessed
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Endospore concentrations of IODP Hole 370-C0023A ↗Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research) · 2020not yet assessed
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The High Pressure Temperature Gradient Block - A Novel Tool for Rapid Exploration of Pressure and Temperature Responses in Geomicrobiological SamplesAGU Fall Meeting Abstracts · 2020not yet assessed
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Empowering conventional Rock-Eval pyrolysis for organic matter characterization of the siderite-rich sediments of Lake Towuti (Indonesia) using End-Member Analysis ↗Organic Geochemistry · 2019not yet assessed
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Microbial community composition and abundance after millennia of submarine permafrost warming ↗Biogeosciences · 2019not yet assessed
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Pore water geochemistry and bulk sediment measurements of downcore profiles from site TDP-1A of the ICDP Towuti Drilling Project, Lake Towuti, Indonesia ↗Publication Database GFZ (GFZ German Research Centre for Geosciences) · 2019not yet assessed
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Microbial community composition and abundance after millennia of submarine permafrost warming ↗2019not yet assessed
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Methanogenesis dominates organic matter mineralization in ferruginous sedimentsAGU Fall Meeting Abstracts · 2019not yet assessed
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Genomic explorations into the subsurface ecosystem of an active rift system highlight unique microbial processesAGU Fall Meeting Abstracts · 2019not yet assessed
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Paleoclimate, Paleoenvironment, and Paleoecology of Neogene Central America: Bridging Continents and Oceans (NICA-BRIDGE)AGU Fall Meeting Abstracts · 2019not yet assessed
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Microbial Carbon Degradation Processes in Thermokarst Lake Sediments from Bykovsky Peninsula, Northern SiberiaAGU Fall Meeting Abstracts · 2019not yet assessed
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Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex ↗Science Advances · 2018 · PMID 29928689not yet assessed
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Microbial community composition along a 50 000-year lacustrine sediment sequence ↗FEMS Microbiology Ecology · 2018 · PMID 29471361not yet assessed
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Metabolic potential of microbial communities from ferruginous sediments ↗Environmental Microbiology · 2018 · PMID 29968357not yet assessed
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High Microbial Diversity Despite Extremely Low Biomass in a Deep Karst Aquifer ↗Frontiers in Microbiology · 2018 · PMID 30534116not yet assessed
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Solute Reservoirs Reflect Variability of Early Diagenetic Processes in Temperate Brackish Surface Sediments ↗Frontiers in Marine Science · 2018not yet assessed
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A Practical Guide to Studying the Microbiology of Karst Aquifers ↗The handbook of environmental chemistry · 2018not yet assessed
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Methanogenesis predominates organic matter mineralization in a ferruginous, non-sulfidic sedimentary environmentEGU General Assembly Conference Abstracts · 2018not yet assessed
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Biogeochemical characteristics of Lakes in Western Papua, IndonesiaEGU General Assembly Conference Abstracts · 2018not yet assessed
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Exploring microbial sulphate reduction under high temperature and pressure - Results of a pilot study on samples from IODP Exp. 370EGUGA · 2018not yet assessed
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Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex ↗Institutional Repositories DataBase (IRDB) · 2018not yet assessed
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Diagenetic siderites and vivianites in ferruginous sediment from Lake Towuti, Indonesia.EGU General Assembly Conference Abstracts · 2018not yet assessed
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Exploration of the sedimentary biosphere in Bengal Fan (IODP Exp. 354)AGU Fall Meeting Abstracts · 2018not yet assessed
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Pore water chemistry, grain sizes and sediment temperature of sediment core COAST_C-2 ↗Figshare · 2018not yet assessed
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Pore water chemistry, grain sizes and sediment temperature of sediment core COAST_C-1 ↗Figshare · 2018not yet assessed
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Preservation and Significance of Extracellular DNA in Ferruginous Sediments from Lake Towuti, Indonesia ↗Frontiers in Microbiology · 2017 · PMID 28798742not yet assessed
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A simple and inexpensive technique for assessing contamination during drilling operations ↗Limnology and Oceanography Methods · 2017not yet assessed
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Chromium isotope fractionation in ferruginous sediments ↗Geochimica et Cosmochimica Acta · 2017not yet assessed
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Present and past microbial life in continental pan sediments and its response to climate variability in the southern Kalahari ↗Organic Geochemistry · 2017not yet assessed
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Distribution of microbial methanogenesis, methane oxidation, and sulfate reduction in a high-temperature subduction system of the Nankai Trough off Cape Muroto (IODP Expedition 370 T-Limit, Site C0023)AGU Fall Meeting Abstracts · 2017not yet assessed
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Deep subsurface life in Bengal Fan sediments (IODP Exp. 354)AGU Fall Meeting Abstracts · 2017not yet assessed
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The Towuti Drilling Project: paleoenvironments, biological evolution, and geomicrobiology of a tropical Pacific lake ↗Scientific Drilling · 2016not yet assessed
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Geomicrobiological Features of Ferruginous Sediments from Lake Towuti, Indonesia ↗Frontiers in Microbiology · 2016 · PMID 27446046not yet assessed
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Contamination Control for Scientific Drilling Operations ↗Advances in applied microbiology · 2016 · PMID 28189155not yet assessed
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Hydrogen Utilization Potential in Subsurface Sediments ↗Frontiers in Microbiology · 2016 · PMID 26858697not yet assessed
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Microbial abundance and activity at IODP Site C0023, Nankai Trough subduction zone ↗Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research) · 2016not yet assessed
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ICDP MexiDrill the Basin of Mexico Drilling Project, Preliminary ReportGeotemas ( Madrid ) · 2016not yet assessed
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Biogeochemistry of Lakes in Western Papua, Indonesia - First Results of a Pilot Study.AGUFM · 2016not yet assessed
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A Simple and Inexpensive Technique for Assessing Microbial Contamination during Drilling OperationsEGUGA · 2016not yet assessed
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Geochemistry and geomicrobiology profiles of ferruginous sediment, Lake Towuti, Indonesia ↗Figshare · 2016not yet assessed
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Characterization of diagenetic siderites formed in recent and ancient ferruginous sediments of Lake Towuti, Indonesia.EGU General Assembly Conference Abstracts · 2016not yet assessed
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Microbial life in continental salt pan sediments and their response to climate variability in Northern South AfricaEGU General Assembly Conference Abstracts · 2016not yet assessed
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Microbial Control on Siderite Formation in Ferruginous Sediments of Lake Towuti, Indonesia.AGU Fall Meeting Abstracts · 2016not yet assessed
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Methane isotopic composition of IODP Hole 370-C0023A ↗Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research) · 2016not yet assessed
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Acetate concentration and δ13C acetate values of IODP Hole 370-C0023A ↗Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research) · 2016not yet assessed
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Microbial cell abundance of IODP Hole 370-C0023A ↗Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research) · 2016not yet assessed
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Gibbs free energy yields of IODP Hole 370-C0023A ↗Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research) · 2016not yet assessed
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Presence of oxygen and aerobic communities from sea floor to basement in deep-sea sediments ↗Nature Geoscience · 2015not yet assessed
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Microbial abundance in lacustrine sediments: a case study from Lake Van, Turkey ↗International Journal of Earth Sciences · 2015not yet assessed
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Workshop to develop deep-life continental scientific drilling projects ↗Scientific Drilling · 2015not yet assessed
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Advancing subsurface biosphere and paleoclimate research: ECORD–ICDP–DCO–J-DESC–MagellanPlus Workshop Series Program Report ↗Scientific Drilling · 2015not yet assessed
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Oxic and Anoxic Regions of Subseafloor SedimentAGU Fall Meeting Abstracts · 2015not yet assessed
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Microbial abundance in lacustrine sediments: a case study from Lake Van, TurkeyPublication Database GFZ (GFZ German Research Centre for Geosciences) · 2015not yet assessed
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The Lake Towuti Drilling Project: A New, 1-Million Year Record of Indo-Pacific Hydroclimate2015not yet assessed
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Relationships between sedimentary subseafloor microbial abundance and sedimentation rateAGU Fall Meeting Abstracts · 2015not yet assessed
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Present and past microbial life in continental salt pan sediments in Southern AfricaEGU General Assembly Conference Abstracts · 2015not yet assessed
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High virus-to-cell ratios indicate ongoing production of viruses in deep subsurface sediments ↗The ISME Journal · 2014 · PMID 24430483not yet assessed
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A procedure for separate recovery of extra- and intracellular DNA from a single marine sediment sample ↗Journal of Microbiological Methods · 2014 · PMID 24955890not yet assessed
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Tracing biogeochemical and microbial variability over a complete oil sand mining and recultivation process ↗The Science of The Total Environment · 2014 · PMID 25201817not yet assessed
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Biomass, Diversity, and Metabolic Functions of Subseafloor Life ↗Developments in marine geology · 2014not yet assessed
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A Cell Extraction Method for Oily Sediments ↗Springer protocols handbooks/Springer protocols · 2014not yet assessed
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:: Advancing Sub-Surface Biosphere and Paleoclimate Research MagellanPlus Workshop - 21- 23 August 2014, Seoul (South Korea)Flanders Marine Institute (Flanders Marine Institute) · 2014not yet assessed
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Insights into the activity, formation and origin of seep systems on the seafloor in the SW Barents SeaEGUGA · 2014not yet assessed
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Preface ↗2014not yet assessed
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An improved cell separation technique for marine subsurface sediments: applications for high‐throughput analysis using flow cytometry and cell sorting ↗Environmental Microbiology · 2013 · PMID 23731283not yet assessed
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Sulfate reduction controlled by organic matter availability in deep sediment cores from the saline, alkaline Lake Van (Eastern Anatolia, Turkey) ↗Frontiers in Microbiology · 2013 · PMID 23908647not yet assessed
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Tracing the origin of thermogenic hydrocarbon signals in pockmarks from the southwestern Barents Sea ↗Organic Geochemistry · 2013not yet assessed
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Data report: microbial abundance in subseafloor sediments of the equatorial Pacific Ocean, Expedition 320/321 ↗Proceedings of the Integrated Ocean Drilling Program. Expedition reports/Proceedings of the Integrated Ocean Drilling Program · 2013not yet assessed
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Biogeochemistry of Kenyan Rift Valley Lake SedimentsEGU General Assembly Conference Abstracts · 2013not yet assessed
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Distribution and activity of hydrogenase enzymes in subsurface sediments2013not yet assessed
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Putting age into the equation: A new look at microbial distribution in subseafloor sedimentsAGUFM · 2013not yet assessed
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Microbial turnover and incorporation of organic compounds in oil sand mining reclamation sitesAGU Fall Meeting Abstracts · 2013not yet assessed
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Global distribution of microbial abundance and biomass in subseafloor sediment ↗Proceedings of the National Academy of Sciences · 2012 · PMID 22927371not yet assessed
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Aerobic Microbial Respiration in 86-Million-Year-Old Deep-Sea Red Clay ↗Science · 2012 · PMID 22605778not yet assessed
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Characterization of microbial activity in pockmark fields of the SW-Barents Sea ↗Marine Geology · 2012not yet assessed
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Active sulfur cycling by diverse mesophilic and thermophilic microorganisms in terrestrial mud volcanoes of <scp>A</scp> zerbaijan ↗Environmental Microbiology · 2012 · PMID 23116231not yet assessed
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Impact Disruption and Recovery of the Deep Subsurface Biosphere ↗Astrobiology · 2012 · PMID 22468887not yet assessed
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A System for Incubations at High Gas Partial Pressure ↗Frontiers in Microbiology · 2012 · PMID 22347218not yet assessed
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Sedimentological imprint on subseafloor microbial communities in Western Mediterranean Sea Quaternary sediments ↗Biogeosciences · 2012not yet assessed
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Cell abundance and microbial community composition along a complete oil sand mining and reclamation processAGU Fall Meeting Abstracts · 2012not yet assessed
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Quantification of microbial activity in subsurface environments using a hydrogenase enzyme assayEGUGA · 2012not yet assessed
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Sulfate reduction and microbial abundance in saline, alkaline Lake Van (Eastern Anatolia, Turkey) - ICDP Expedition 5034EGUGA · 2012not yet assessed
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Quantifying microbial activity in deep subsurface sediments using a tritium based hydrognease enzyme assayAGUFM · 2012not yet assessed
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Liberation of microbial substrates from macromolecular organic matter by non-supercritical CO22012not yet assessed
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New procedure for recovering extra- and intracellular DNA from marine sediment samplesAGUFM · 2012not yet assessed
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Tiefe Biosphäre: Leben im Untergrund ↗Publication Database GFZ (GFZ German Research Centre for Geosciences) · 2012not yet assessed
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Leaching of organic acids from macromolecular organic matter by non-supercritical CO22012not yet assessed
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Global Distribution of Microbial Abundance and Biomass in Subseafloor SedimentJournal of Media Literacy Education · 2012not yet assessed
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Microbial activity and abundance in sediments of Lake Van (Eastern Analtolia, Turkey) - ICDP Expedition 50342012not yet assessed
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Detection and Quantification of Microbial Cells in Subsurface Sediments ↗Advances in applied microbiology · 2011 · PMID 21924972not yet assessed
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KNOX-02RR: drilling site surveylife in subseafloor sediments of the South Pacific Gyre ↗Proceedings of the Integrated Ocean Drilling Program. Expedition reports/Proceedings of the Integrated Ocean Drilling Program · 2011not yet assessed
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Preliminary experiment for cell count using flow cytometry ↗Proceedings of the Integrated Ocean Drilling Program. Expedition reports/Proceedings of the Integrated Ocean Drilling Program · 2011not yet assessed
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103p-7 フローサイトメトリーによる海底下堆積物試料中の選択的微生物カウント法(103p 物質循環/界面/バイオフィルム/方法論,口頭発表)日本微生物生態学会講演要旨集 · 2011not yet assessed
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An Improved Method for High-throughput Discrimination and Enumeration of Sedimentary Cells Using Flow CytometryAGU Fall Meeting Abstracts · 2011not yet assessed
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Effects of non-supercritical CO2 on leaching of potential microbial substrates from macromolecular organic matterPublication Database GFZ (GFZ German Research Centre for Geosciences) · 2011not yet assessed
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Microbial communities associated to deep subsurface coal layers: A review of the DEBITS projectPublication Database GFZ (GFZ German Research Centre for Geosciences) · 2011not yet assessed
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Microbial activity and abundance in sediments of Lake Van (Turkey), first results from ICDP Project PALEOVAN2011not yet assessed
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Sulfate reduction and microbial abundance in saline, alkaline Lake Van (Turkey)2011not yet assessed
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IODP Expedition 329 Rig instrumentation ↗Open MIND · 2011not yet assessed
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IODP Expedition 329 Rig instrumentation ↗Zenodo (CERN European Organization for Nuclear Research) · 2011not yet assessed
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IODP Expedition 329 Towed magnetometer ↗Zenodo (CERN European Organization for Nuclear Research) · 2011not yet assessed
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IODP Expedition 329 Towed magnetometer ↗Zenodo (CERN European Organization for Nuclear Research) · 2011not yet assessed
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IODP Expedition 329 Navigation ↗Zenodo (CERN European Organization for Nuclear Research) · 2011not yet assessed
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IODP Expedition 329 Navigation ↗Zenodo (CERN European Organization for Nuclear Research) · 2011not yet assessed
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Detection and quantification of microbial activity in the subsurface ↗Geochemistry · 2010not yet assessed
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Integration of Deep Biosphere Research into the International Continental Scientific Drilling Program ↗Scientific Drilling · 2010not yet assessed
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Integration of Deep Biosphere Research into the International Continental Scientific Drilling Program ↗Scientific Drilling · 2010not yet assessed
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Integration of Deep Biosphere Research into the International Continental Scientific Drilling Program ↗Scientific Drilling · 2010not yet assessed
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Subseafloor sedimentary life in the South Pacific Gyre ↗Proceedings of the National Academy of Sciences · 2009 · PMID 19561304not yet assessed
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Discovery of the first Quaternary maar in the Bohemian Massif, Central Europe, based on combined geophysical and geological surveys ↗Journal of Volcanology and Geothermal Research · 2009not yet assessed
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An improved electroelution method for separation of DNA from humic substances in marine sediment DNA extracts ↗FEMS Microbiology Ecology · 2009 · PMID 19453740not yet assessed
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Quantifying global subseafloor microbial abundance: Method and implications ↗Publication Database GFZ (GFZ German Research Centre for Geosciences) · 2009not yet assessed
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A New Estimate of Total Microbial Subseafloor BiomassPublication Database GFZ (GFZ German Research Centre for Geosciences) · 2009not yet assessed
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The Global Distribution of Organic-Fueled Respiration in Subseafloor SedimentAGUFM · 2009not yet assessed
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New cell extraction procedure applied to deep subsurface sediments ↗Limnology and Oceanography Methods · 2008not yet assessed
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Quantifying Global Subseafloor Microbial Abundance: Method and ImplicationsAGUFM · 2008not yet assessed
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Patterns of Respiration and Sources of Electron Donors in Subseafloor SedimentAGU Fall Meeting Abstracts · 2008not yet assessed
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Life in Subseafloor Sediments of the South Pacific GyreAGU Fall Meeting Abstracts · 2007not yet assessed
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Living microbial ecosystems within the active zone of catagenesis: Implications for feeding the deep biosphere ↗Earth and Planetary Science Letters · 2006not yet assessed
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How depositional conditions control input, composition, and degradation of organic matter in sediments from the Chilean coastal upwelling region ↗Geochimica et Cosmochimica Acta · 2006not yet assessed
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Techniques for Contamination Assessment During Drilling for Terrestrial Subsurface Sediments ↗Geomicrobiology Journal · 2006not yet assessed
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Rapid Holocene Climate Changes in the Eastern Mediterranean ↗Kluwer Academic Publishers eBooks · 2006not yet assessed
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(Table 2) Organic geochemical screenin analysis of samples from ODP Hole 190-1173A ↗Figshare · 2006not yet assessed
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Organic geochemistry of deep sea sediments from the Nankai Trough and the Southwest Japan forearc region ↗Figshare · 2006not yet assessed
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Prokaryotic cells of the deep sub-seafloor biosphere identified as living bacteria ↗Nature · 2005 · PMID 15729341not yet assessed
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Deep sub-seafloor prokaryotes stimulated at interfaces over geological time ↗Nature · 2005 · PMID 16034418not yet assessed
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Anaerobic oxidation of methane and sulfate reduction along the Chilean continental margin ↗Geochimica et Cosmochimica Acta · 2005not yet assessed
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Geochemistry of Peruvian near-surface sediments ↗Geochimica et Cosmochimica Acta · 2004not yet assessed
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A cold chromium distillation procedure for radiolabeled sulfide applied to sulfate reduction measurements ↗Limnology and Oceanography Methods · 2004not yet assessed
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Effects of Temperature and Pressure on Sulfate Reduction and Anaerobic Oxidation of Methane in Hydrothermal Sediments of Guaymas Basin ↗Applied and Environmental Microbiology · 2004 · PMID 14766611not yet assessed
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S and O isotope fractionation in the western Black SeaMax Planck Institute for Plasma Physics · 2004not yet assessed
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The effects of temperature and pressure on rates of sulfate reduction and anaerobic oxidation of methane in hydrothermal deep-sea sediments of Guaymas Basin.Helmholtz-Zentrum für Polar-und Meeresforschung (Alfred-Wegener-Institut) · 2004not yet assessed
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Sulfate reduction and anaerobic oxidation of methane in hydrothermal sediments of Guaymas BasinMax Planck Digital Library · 2004not yet assessed
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A high-pressure thermal gradient block for investigating microbial activity in multiple deep-sea samples ↗Journal of Microbiological Methods · 2003 · PMID 14500008not yet assessed
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Sulfate reduction in the deep biosphere.Max Planck Digital Library · 2003not yet assessed
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Organic carbon turnover due to sulfate reduction in Peru margin sedimentsMax Planck Digital Library · 2003not yet assessed
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Sulfate reduction rates in deeply, buried marine sedimentsMax Planck Institute for Plasma Physics · 2002not yet assessed
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Sediments in the Peruvian upwelling region: Organic matter composition and sulfate reduction ratesMax Planck Institute for Plasma Physics · 2002not yet assessed
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Yttrium Localization in the Desert Pocket Mouse Perognathus penicillatus. ↗Experimental Biology and Medicine · 1961 · PMID 13913814not yet assessed
Full bibliography from OpenAlex; reproducibility verdicts matched by PMID.
Author attribution follows OpenAlex disambiguation, which is imperfect — a researcher's papers can be split across profiles or mixed with a namesake.
Merged across profiles sharing this ORCID where present. See every “Kallmeyer J” paper on PubMed ↗