Helena Osterholz
Helena Osterholz
Verified email at uni-oldenburg.de
TitleCited byYear
Inefficient microbial production of refractory dissolved organic matter in the ocean
H Osterholz, J Niggemann, HA Giebel, M Simon, T Dittmar
Nature communications 6, 7422, 2015
722015
Deciphering associations between dissolved organic molecules and bacterial communities in a pelagic marine system
H Osterholz, G Singer, B Wemheuer, R Daniel, M Simon, J Niggemann, ...
The ISME journal 10 (7), 1717, 2016
442016
Molecular evidence for rapid dissolved organic matter turnover in Arctic fjords
H Osterholz, T Dittmar, J Niggemann
Marine Chemistry 160, 1-10, 2014
362014
Basin‐wide N2 fixation in the deep waters of the Mediterranean Sea
M Benavides, S Bonnet, N Hernández, AM Martínez‐Pérez, M Nieto‐Cid, ...
Global Biogeochemical Cycles 30 (6), 952-961, 2016
222016
Environmental drivers of dissolved organic matter molecular composition in the Delaware Estuary
H Osterholz, DL Kirchman, J Niggemann, T Dittmar
Frontiers in Earth Science 4, 95, 2016
192016
Microbial decomposition of marine dissolved organic matter in cool oceanic crust
SRS Walter, U Jaekel, H Osterholz, AT Fisher, JA Huber, A Pearson, ...
Nature Geoscience 11 (5), 334, 2018
122018
Molecular composition of dissolved organic matter in the Mediterranean Sea
AM Martínez‐Pérez, H Osterholz, M Nieto‐Cid, M Álvarez, T Dittmar, ...
Limnology and Oceanography 62 (6), 2699-2712, 2017
102017
Linking optical and molecular signatures of dissolved organic matter in the Mediterranean Sea
AM Martínez-Pérez, M Nieto-Cid, H Osterholz, TS Catalá, I Reche, ...
Scientific reports 7 (1), 3436, 2017
102017
Impact of diatom growth on trace metal dynamics (Mn, Mo, V, U)
H Osterholz, H Simon, M Beck, J Maerz, S Rackebrandt, HJ Brumsack, ...
Journal of sea research 87, 35-45, 2014
82014
Climate-driven shifts in sediment chemistry enhance methane production in northern lakes
EJS Emilson, MA Carson, KM Yakimovich, H Osterholz, T Dittmar, ...
Nature communications 9 (1), 1801, 2018
42018
Diversity of bacterial communities and dissolved organic matter in a temperate estuary
H Osterholz, DL Kirchman, J Niggemann, T Dittmar
FEMS microbiology ecology 94 (8), fiy119, 2018
22018
Riverine mixing at the molecular scale–An ultrahigh-resolution mass spectrometry study on dissolved organic matter and selected metals in the Amazon confluence zone (Manaus …
C Simon, H Osterholz, A Koschinsky, T Dittmar
Organic geochemistry 129, 45-62, 2019
12019
From freshly produced compounds to refractory molecules: tracing sources and fate of dissolved organic matter in the ocean
H Osterholz
Universität Oldenburg, 2014
12014
Microbial Preference for Dissolved Organic Matter that is 14C-enriched, 13C-enriched and Molecularly Distinct in the North Pond Subsurface
SR Shah Walter, H Osterholz, T Dittmar, PR Girguis
AGU Fall Meeting Abstracts, 2018
2018
Structuring of bacterial communities by phytoplankton and DOM in the Delaware estuary
D Kirchman, GR DiTullio, H Osterholz, J Niggemann, T Dittmar
American Geophysical Union, Ocean Sciences Meeting 2016, abstract# CT43A-01, 2016
2016
The molecular geography of dissolved organic matter in the Atlantic Ocean can largely be explained by a simple two-source mixing model.
M Seibt, J Niggemann, H Osterholz, T Dittmar
American Geophysical Union, Ocean Sciences Meeting 2016, abstract# CT44A-0212, 2016
2016
Seasonal and Interannual Variability of the Dissolved Organic Matter Composition in the Delaware Estuary
H Osterholz, D Kirchman, J Niggemann, T Dittmar
American Geophysical Union, Ocean Sciences Meeting 2016, abstract# EC41B-04, 2016
2016
Linking Optical and Molecular Properties of Dissolved Organic Matter in the Mediterranean Sea
AM Martinez Perez, H Osterholz, M Nieto-Cid, T Dittmar, ...
American Geophysical Union, Ocean Sciences Meeting 2016, abstract# CT52A-05, 2016
2016
Universal molecular features of refractory dissolved organic matter in fresh-and seawater
T Dittmar, B Blasius, C Steinbrink, C Feenders, M Stumm, J Christoffers, ...
EGU General Assembly Conference Abstracts 14, 5961, 2012
2012
Tracking the fate, reuse and transformation of photodegraded DOM through EEMS and PARAFAC
ML Miranda, H Osterholz, HA Giebel, P Bruhnke, T Dittmar, O Zielinski
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Articles 1–20