Minutolo, F, Dähnke, K, Metzke, M, Holtappels, M and Neumann, A (2024) Sedimentary mud and phaeophytin-a are reliable predictors of oxygen consumption and nitrogen turnover in the southern North Sea. Continental Shelf Research, 272. 105161. doi:10.1016/j.csr.2023.105161
Zhou, Z, Waska, H, Henkel, S, Dittmar, T, Kasten, S and Holtappels, M (2024) Iron promotes the retention of terrigenous dissolved organic matter in subtidal permeable sediments. Environmental Science & Technology, 58(14). 6204-6214. doi:10.1021/acs.est.3c09531
Zhang, W, Porz, L, Yilmaz, R, Wallmann, K, Spiegel, T, Neumann, A, Holtappels, M, Kasten, S, Kuhlmann, J, Ziebarth, N, Taylor, B, Ho-Hagemann, HTM, Bockelmann, FD, Daewel, U, Bernhardt, L and Schrum, C (2024) Long-term carbon storage in shelf sea sediments reduced by intensive bottom trawling. Nature Geoscience. doi:10.1038/s41561-024-01581-4
Wei, B, Seidel, M, Mollenhauer, G, Lefebvre, A, Miramontes, E, Grotheer, H, Elvert, M, Wendt, J, Dittmar, T and Holtappels, M (2024) Rapid down‐slope transport of fresh dissolved organic matter to the deep ocean in the eastern North Atlantic. Geophysical Research Letters, 51(21). doi:10.1029/2024GL110349
Massmann, G, Abarike, G, Amoako, K, Auer, F, Badewien, TH, Berkenbrink, C, Böttcher, ME, Brick, S, Cordova, IVM, Cueto, J, Dittmar, T, Engelen, B, Freund, H, Greskowiak, J, Günther, T, Herbst, G, Holtappels, M, Marchant, HK, Meyer, R, Müller-Petke, M, Niggemann, J, Pahnke, K, Pommerin, D, Post, V, Reckhardt, A, Roberts, M, Schwalfenberg, K, Seibert, SL, Siebert, C, Skibbe, N, Waska, H, Winter, C and Zielinski, O (2023) The DynaDeep observatory – a unique approach to study high-energy subterranean estuaries. Frontiers in Marine Science, 10. doi:10.3389/fmars.2023.1189281
Baloza, M, Henkel, S, Kasten, S, Holtappels, M and Molari, M (2023) The impact of sea ice cover on microbial communities in Antarctic shelf sediments. Microorganisms, 11(6). 1572. doi:10.3390/microorganisms11061572
Zhou, Z, Henkel, S, Kasten, S and Holtappels, M (2023) The iron “redox battery” in sandy sediments: its impact on organic matter remineralization and phosphorus cycling. Science of The Total Environment, 865. 161168. doi:10.1016/j.scitotenv.2022.161168
Baloza, M, Henkel, S, Geibert, W, Kasten, S and Holtappels, M (2022) Benthic carbon remineralization and iron cycling in relation to sea ice cover along the eastern continental shelf of the Antarctic Peninsula. Journal of Geophysical Research: Oceans, 127(7). doi:10.1029/2021JC018401
Gomez-Saez, GV, Dittmar, T, Holtappels, M, Pohlabeln, AM, Lichtschlag, A, Schnetger, B, Boetius, A and Niggemann, J (2021) Sulfurization of dissolved organic matter in the anoxic water column of the Black Sea. Science Advances, 7(25). eabf6199. doi:10.1126/sciadv.abf6199
Pacherres, CO, Ahmerkamp, S, Schmidt-Grieb, GM, Holtappels, M and Richter, C (2020) Ciliary vortex flows and oxygen dynamics in the coral boundary layer. Scientific Reports, 10(1). doi:10.1038/s41598-020-64420-7
Koopmans, D, Holtappels, M, Chennu, A, Weber, M and de Beer, D (2020) High net primary production of Mediterranean seagrass (Posidonia oceanica) meadows determined with aquatic eddy covariance. Frontiers in Marine Science, 7. doi:10.3389/fmars.2020.00118
Hach, PF, Marchant, HK, Krupke, A, Riedel, T, Meier, DV, Lavik, G, Holtappels, M, Dittmar, T and Kuypers, MMM (2020) Rapid microbial diversification of dissolved organic matter in oceanic surface waters leads to carbon sequestration. Scientific Reports, 10(1). doi:10.1038/s41598-020-69930-y
Ahmerkamp, S, Marchant, HK, Peng, C, Probandt, D, Littmann, S, Kuypers, MMM and Holtappels, M (2020) The effect of sediment grain properties and porewater flow on microbial abundance and respiration in permeable sediments. Scientific Reports, 10(1). doi:10.1038/s41598-020-60557-7
Waska, H, Greskowiak, J, Ahrens, J, Beck, M, Ahmerkamp, S, Böning, P, Brumsack, HJ, Degenhardt, J, Ehlert, C, Engelen, B, Grünenbaum, N, Holtappels, M, Pahnke, K, Marchant, HK, Massmann, G, Meier, D, Schnetger, B, Schwalfenberg, K, Simon, H, Vandieken, V, Zielinski, O and Dittmar, T (2019) Spatial and temporal patterns of pore water chemistry in the inter-tidal zone of a high energy beach. Frontiers in Marine Science, 6. doi:10.3389/fmars.2019.00154
Krämer, K, Holler, P, Herbst, G, Bratek, A, Ahmerkamp, S, Neumann, A, Bartholomä, A, van Beusekom, JEE, Holtappels, M and Winter, C (2017) Abrupt emergence of a large pockmark field in the German Bight, southeastern North Sea. Scientific Reports, 7(1). doi:10.1038/s41598-017-05536-1
Marchant, HK, Ahmerkamp, S, Lavik, G, Tegetmeyer, HE, Graf, J, Klatt, JM, Holtappels, M, Walpersdorf, E and Kuypers, MMM (2017) Denitrifying community in coastal sediments performs aerobic and anaerobic respiration simultaneously. The ISME Journal, 11(8). 1799-1812. doi:10.1038/ismej.2017.51
Sokoll, S, Ferdelman, TG, Holtappels, M, Goldhammer, T, Littmann, S, Iversen, MH and Kuypers, MMM (2017) Intense biological phosphate uptake onto particles in subeuphotic continental margin waters. Geophysical Research Letters, 44(6). 2825-2834. doi:10.1002/2016GL072183
Probandt, D, Knittel, K, Tegetmeyer, HE, Ahmerkamp, S, Holtappels, M and Amann, R (2017) Permeability shapes bacterial communities in sublittoral surface sediments. Environmental Microbiology, 19(4). 1584-1599. doi:10.1111/1462-2920.13676
Ahmerkamp, S, Winter, C, Krämer, K, de Beer, D, Janssen, F, Friedrich, J, Kuypers, MMM and Holtappels, M (2017) Regulation of benthic oxygen fluxes in permeable sediments of the coastal ocean. Limnology and Oceanography. doi:10.1002/lno.10544
Beck, M, Reckhardt, A, Amelsberg, J, Bartholomä, A, Brumsack, HJ, Cypionka, H, Dittmar, T, Engelen, B, Greskowiak, J, Hillebrand, H, Holtappels, M, Neuholz, R, Köster, J, Kuypers, MMM, Massmann, G, Meier, D, Niggemann, J, Paffrath, R, Pahnke, K, Rovo, S, Striebel, M, Vandieken, V, Wehrmann, A and Zielinski, O (2017) The drivers of biogeochemistry in beach ecosystems: A cross-shore transect from the dunes to the low-water line. Marine Chemistry, 190. 35-50. doi:10.1016/j.marchem.2017.01.001
Donis, D, McGinnis, DF, Holtappels, M, Felden, J and Wenzhöfer, F (2016) Assessing benthic oxygen fluxes in oligotrophic deep sea sediments (HAUSGARTEN observatory). Deep Sea Research Part I: Oceanographic Research Papers, 111. 1-10. doi:10.1016/j.dsr.2015.11.007
Marchant, HK, Holtappels, M, Lavik, G, Ahmerkamp, S, Winter, C and Kuypers, MMM (2016) Coupled nitrification-denitrification leads to extensive N loss in subtidal permeable sediments. Limnology and Oceanography, 61(3). 1033-1048. doi:10.1002/lno.10271
Sokoll, S, Lavik, G, Sommer, S, Goldhammer, T, Kuypers, MMM and Holtappels, M (2016) Extensive nitrogen loss from permeable sediments off North-West Africa. Journal of Geophysical Research: Biogeosciences, 121(4). 1144-1157. doi:10.1002/2015JG003298
Kalvelage, T, Lavik, G, Jensen, MM, Revsbech, NP, Löscher, CR, Schunck, H, Desai, DK, Hauss, H, Kiko, R, Holtappels, M, LaRoche, J, Schmitz, RA, Graco, MI and Kuypers, MMM (2015) Aerobic microbial respiration in oceanic oxygen minimum zones. PLOS ONE, 10(7). e0133526. doi:10.1371/journal.pone.0133526
Holtappels, M, Noss, C, Hancke, K, Cathalot, C, McGinnis, DF, Lorke, A and Glud, RN (2015) Aquatic eddy correlation: Quantifying the artificial flux caused by stirring-sensitive O2 sensors. PLOS ONE, 10(1). e0116564. doi:10.1371/journal.pone.0116564
Lichtschlag, A, Donis, D, Janssen, F, Jessen, GL, Holtappels, M, Wenzhöfer, F, Mazlumyan, S, Sergeeva, N, Waldmann, C and Boetius, A (2015) Effects of fluctuating hypoxia on benthic oxygen consumption in the Black Sea (Crimean shelf). Biogeosciences, 12(16). 5075-5092. doi:10.5194/bg-12-5075-2015
Donis, D, Holtappels, M, Noss, C, Cathalot, C, Hancke, K, Polsenaere, P, Wenzhöfer, F, Lorke, A, Meysman, FJR, Glud, RN and McGinnis, DF (2015) An assessment of the precision and confidence of aquatic eddy correlation measurements. Journal of Atmospheric and Oceanic Technology, 32(3). 642-655. doi:10.1175/JTECH-D-14-00089.1
Ahmerkamp, S, Winter, C, Janssen, F, Kuypers, MMM and Holtappels, M (2015) The impact of bedform migration on benthic oxygen fluxes. Journal of Geophysical Research: Biogeosciences, 120(11). 2229-2242. doi:10.1002/2015JG003106
Holtappels, M, Tiano, L, Kalvelage, T, Lavik, G, Revsbech, NP and Kuypers, MMM (2014) Aquatic respiration rate measurements at low oxygen concentrations. PLoS ONE, 9(2). e89369. doi:10.1371/journal.pone.0089369
Friedrich, J, Janssen, F, Aleynik, D, Bange, HW, Boltacheva, N, Çagatay, MN, Dale, AW, Etiope, G, Erdem, Z, Geraga, M, Gilli, A, Gomoiu, MT, Hall, POJ, Hansson, D, He, Y, Holtappels, M, Kirf, MK, Kononets, M, Konovalov, S, Lichtschlag, A, Livingstone, DM, Marinaro, G, Mazlumyan, S, Naeher, S, North, RP, Papatheodorou, G, Pfannkuche, O, Prien, R, Rehder, G, Schubert, CJ, Soltwedel, T, Sommer, S, Stahl, H, Stanev, EV, Teaca, A, Tengberg, A, Waldmann, C, Wehrli, B and Wenzhöfer, F (2014) Investigating hypoxia in aquatic environments: diverse approaches to addressing a complex phenomenon. Biogeosciences, 11(4). 1215-1259. doi:10.5194/bg-11-1215-2014
Häusler, S, Weber, M, Siebert, C, Holtappels, M, Noriega-Ortega, BE, de Beer, D and Ionescu, D (2014) Sulfate reduction and sulfide oxidation in extremely steep salinity gradients formed by freshwater springs emerging into the Dead Sea. FEMS Microbiology Ecology, 90(3). 956-969. doi:10.1111/1574-6941.12449
Marchant, HK, Lavik, G, Holtappels, M and Kuypers, MMM (2014) The fate of nitrate in intertidal permeable sediments. PLoS ONE, 9(8). e104517. doi:10.1371/journal.pone.0104517
Holtappels, M, Glud, RN, Donis, D, Liu, B, Hume, A, Wenzhöfer, F and Kuypers, MMM (2013) Effects of transient bottom water currents and oxygen concentrations on benthic exchange rates as assessed by eddy correlation measurements. Journal of Geophysical Research: Oceans, 118(3). 1157-1169. doi:10.1002/jgrc.20112
Schunck, H, Lavik, G, Desai, DK, Großkopf, T, Kalvelage, T, Löscher, CR, Paulmier, A, Contreras, S, Siegel, H, Holtappels, M, Rosenstiel, P, Schilhabel, MB, Graco, M, Schmitz, RA, Kuypers, MMM and LaRoche, J (2013) Giant hydrogen sulfide plume in the oxygen minimum zone off Peru supports chemolithoautotrophy. PLoS ONE, 8(8). e68661. doi:10.1371/journal.pone.0068661
Gao, H, Matyka, M, Liu, B, Khalili, A, Kostka, JE, Collins, G, Jansen, S, Holtappels, M, Jensen, MM, Badewien, TH, Beck, M, Grunwald, M, de Beer, D, Lavik, G and Kuypers, MMM (2012) Intensive and extensive nitrogen loss from intertidal permeable sediments of the Wadden Sea. Limnology and Oceanography, 57(1). 185-198. doi:10.4319/lo.2012.57.1.0185
Füssel, J, Lavik, G, Jensen, MM, Holtappels, M, Günter, M and Kuypers, MMM (2012) Nitrite oxidation in the Namibian oxygen minimum zone. Isme Journal, 6(6). 1200-12090. doi:10.1038/ismej.2011.178
Holtappels, M and Lorke, A (2011) Estimating turbulent diffusion in a benthic boundary layer. Limnology and Oceanography-Methods, 9. 29-41. doi:10.4319/lom.2011.9.29
Holtappels, M, Kuypers, MMM, Schlüter, M and Brüchert, V (2011) Measurement and interpretation of solute concentration gradients in the benthic boundary layer. Limnology and Oceanography-Methods, 9. 1-13. doi:10.4319/lom.2011.9.1
Holtappels, M (2009) Exchange of Nutrients and Oxygen between Sediments and Water Column: the Role of the Benthic Boundary Layer. PhD thesis, Elektronische Dissertationen an der Staats- und Universitätsbibliothek Bremen, Germany. urn:nbn:de:gbv:46-diss000118400