Items where Author is "Iversen, Morten Hvitfeldt"

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Number of items: 60.

Article

Cael, BB, Bisson, K, Conte, M, Duret, MT, Follett, CL, Henson, SA, Honda, MC, Iversen, MH, Karl, DM, Lampitt, RS, Mouw, CB, Muller‐Karger, F, Pebody, CA, Smith, KL and Talmy, D (2021) Open ocean particle flux variability from surface to seafloor. Geophysical Research Letters, 48(9). doi:10.1029/2021GL092895

Böckmann, S, Koch, F, Meyer, B, Pausch, F, Iversen, MH, Driscoll, R, Laglera, LM, Hassler, C and Trimborn, S (2021) Salp fecal pellets release more bioavailable iron to Southern Ocean phytoplankton than krill fecal pellets. Current Biology, 31(13). 2737-2746.e3. doi:10.1016/j.cub.2021.02.033

Karthäuser, C, Ahmerkamp, S, Marchant, HK, Bristow, LA, Hauss, H, Iversen, MH, Kiko, R, Maerz, J, Lavik, G and Kuypers, MMM (2021) Small sinking particles control anammox rates in the Peruvian oxygen minimum zone. Nature Communications, 12(1). doi:10.1038/s41467-021-23340-4

Fadeev, E, Wietz, M, von Appen, WJ, Iversen, MH, Nöthig, EM, Engel, A, Grosse, J, Graeve, M and Boetius, A (2021) Submesoscale physicochemical dynamics directly shape bacterioplankton community structure in space and time. Limnology and Oceanography. doi:10.1002/lno.11799

Baker, CA, Estapa, ML, Iversen, MH, Lampitt, R and Buesseler, K (2020) Are all sediment traps created equal? An intercomparison study of carbon export methodologies at the PAP-SO site. Progress in Oceanography, 184. 102317. doi:10.1016/j.pocean.2020.102317

Zetsche, EM, Larsson, AI, Iversen, MH and Ploug, H (2020) Flow and diffusion around and within diatom aggregates: Effects of aggregate composition and shape. Limnology and Oceanography. doi:10.1002/lno.11420

von Appen, WJ, Strass, VH, Bracher, A, Xi, H, Hörstmann, C, Iversen, MH and Waite, AM (2020) High-resolution physical-biogeochemical structure of a filament and an eddy of upwelled water off northwest Africa. Ocean Science, 16(1). 253-270. doi:10.5194/os-16-253-2020

Becker, S, Tebben, J, Coffinet, S, Wiltshire, KH, Iversen, MH, Harder, T, Hinrichs, KU and Hehemann, JH (2020) Laminarin is a major molecule in the marine carbon cycle. Proceedings of the National Academy of Sciences, 117(12). 6599-6607. doi:10.1073/pnas.1917001117

Iversen, MH, Swoboda, S, Marchant, H, Ahmerkamp, S, Schwalfenberg, K, Hehemann, J, Buck-Wiese, H, Stock, L, Bolte, A and Bäger, J (2020) Report and preliminary results of R/V POSEIDON cruise POS531, Las Palmas (Canary Islands) – Mindelo (Cape Verde), 18.01.2019 – 01.02.2019. Berichte, MARUM – Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen, 323. 1-38. https://doi.org/10.26092/elib/112

Giering, SLC, Cavan, EL, Basedow, SL, Briggs, N, Burd, AB, Darroch, LJ, Guidi, L, Irisson, JO, Iversen, MH, Kiko, R, Lindsay, D, Marcolin, CR, McDonnell, AMP, Möller, KO, Passow, U, Thomalla, S, Trull, TW and Waite, AM (2020) Sinking organic particles in the ocean—flux estimates from in situ optical devices. Frontiers in Marine Science, 6. doi:10.3389/fmars.2019.00834

Markussen, TN, Konrad, C, Waldmann, C, Becker, M, Fischer, G and Iversen, MH (2020) Tracks in the snow – advantage of combining optical methods to characterize marine particles and aggregates. Frontiers in Marine Science, 7. doi:10.3389/fmars.2020.00476

Fischer, G, Romero, OE, Toby, E, Iversen, MH, Donner, B, Mollenhauer, G, Nowald, N, Ruhland, G, Klann, M, Hamady, B and Wefer, G (2019) Changes in the dust‐influenced biological carbon pump in the Canary Current System: implications from a coastal and an offshore sediment trap record off Cape Blanc, Mauritania. Global Biogeochemical Cycles, 33(8). 1100-1128. doi:10.1029/2019GB006194

Lombard, F, Boss, E, Waite, AM, Vogt, M, Uitz, J, Stemmann, L, Sosik, HM, Schulz, J, Romagnan, JB, Picheral, M, Pearlman, J, Ohman, MD, Niehoff, B, Möller, KO, Miloslavich, P, Lara-Lopez, A, Kudela, R, Lopes, RM, Kiko, R, Karp-Boss, L, Jaffe, JS, Iversen, MH, Irisson, JO, Fennel, K, Hauss, H, Guidi, L, Gorsky, G, Giering, SLC, Gaube, P, Gallager, S, Dubelaar, G, Cowen, RK, Carlotti, F, Briseño-Avena, C, Berline, L, Benoit-Bird, K, Bax, N, Batten, S, Ayata, SD, Artigas, LF and Appeltans, W (2019) Globally consistent quantitative observations of planktonic ecosystems. Frontiers in Marine Science, 6. doi:10.3389/fmars.2019.00196

Seifert, M, Hoppema, M, Burau, C, Elmer, C, Friedrichs, A, Geuer, JK, John, U, Kanzow, T, Koch, BP, Konrad, C, Van der Jagt, H, Zielinski, O and Iversen, MH (2019) Influence of glacial meltwater on summer biogeochemical cycles in Scoresby Sund, East Greenland. Frontiers in Marine Science, 6. doi:10.3389/fmars.2019.00412

Thiele, S, Basse, A, Becker, JW, Lipski, A, Iversen, MH and Mollenhauer, G (2019) Microbial communities in the nepheloid layers and hypoxic zones of the Canary Current upwelling system. MicrobiologyOpen, 8(5). e00705. doi:10.1002/mbo3.705

Laurenceau‐Cornec, EC, Le Moigne, FAC, Gallinari, M, Moriceau, B, Toullec, J, Iversen, MH, Engel, A and De La Rocha, CL (2019) New guidelines for the application of Stokes' models to the sinking velocity of marine aggregates. Limnology and Oceanography. doi:10.1002/lno.11388

Gillard, B, Purkiani, K, Chatzievangelou, D, Vink, A, Iversen, MH and Thomsen, L (2019) Physical and hydrodynamic properties of deep sea mining-generated, abyssal sediment plumes in the Clarion Clipperton Fracture Zone (eastern-central Pacific). Elem Sci Anth, 7(1). 5. doi:10.1525/elementa.343

Moriceau, B, Iversen, MH, Gallinari, M, Evertsen, AJO, Le Goff, M, Beker, B, Boutorh, J, Corvaisier, R, Coffineau, N, Donval, A, Giering, SLC, Koski, M, Lambert, C, Lampitt, RS, Le Mercier, A, Masson, A, Stibor, H, Stockenreiter, M and De La Rocha, CL (2018) Copepods boost the production but reduce the carbon export efficiency by diatoms. Frontiers in Marine Science, 5. doi:10.3389/fmars.2018.00082

Flintrop, CM, Rogge, A, Miksch, S, Thiele, S, Waite, AM and Iversen, MH (2018) Embedding and slicing of intact in situ collected marine snow. Limnology and Oceanography: Methods, 16(6). 339-355. doi:10.1002/lom3.10251

Bachmann, J, Heimbach, T, Hassenrück, C, Kopprio, GA, Iversen, MH, Grossart, HP and Gärdes, A (2018) Environmental drivers of free-living vs. particle-attached bacterial community composition in the Mauritania Upwelling System. Frontiers in Microbiology, 9. doi:10.3389/fmicb.2018.02836 PANGAEA Supplementary Data

Rogge, A, Flintrop, CM, Iversen, MH, Salter, I, Fong, AA, Vogts, A and Waite, AM (2018) Hard and soft plastic resin embedding for single-cell element uptake investigations of marine-snow-associated microorganisms using nano-scale secondary ion mass spectrometry. Limnology and Oceanography: Methods, 16(8). 484-503. doi:10.1002/lom3.10261

von Appen, WJ, Wekerle, C, Hehemann, L, Schourup-Kristensen, V, Konrad, C and Iversen, MH (2018) Observations of a submesoscale cclonic filament in the marginal ice zone. Geophysical Research Letters. doi:10.1029/2018GL077897

Wekerle, C, Krumpen, T, Dinter, T, von Appen, WJ, Iversen, MH and Salter, I (2018) Properties of sediment trap catchment areas in Fram Strait: results from Lagrangian modeling and remote sensing. Frontiers in Marine Science, 5. doi:10.3389/fmars.2018.00407

Iversen, MH, Flintrop, C, Grotheer, H, Hildebrandt, N, Kattein, L, Klann, M, Konrad, C, Meinecke, G, Ruhland, G and Van der Jagt, H (2018) Report and preliminary results of R/V POSEIDON cruise POS508, Las Palmas (Canary Islands) – Las Palmas (Canary Islands), 22.01.2017 – 06.02.2017. Berichte, MARUM – Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen, 319. 1-36. urn:nbn:de:gbv:46-00106572-12

Van der Jagt, H, Friese, C, Stuut, JBW, Fischer, G and Iversen, MH (2018) The ballasting effect of Saharan dust deposition on aggregate dynamics and carbon export: Aggregation, settling, and scavenging potential of marine snow. Limnology and Oceanography, 63(3). 1386-1394. doi:10.1002/lno.10779 PANGAEA Supplementary Data

Moradi, N, Liu, B, Iversen, MH, Kuypers, MMM, Ploug, H and Khalili, A (2018) A new mathematical model to explore microbial processes and their constraints in phytoplankton colonies and sinking marine aggregates. Science Advances, 4(10). eaat1991. doi:10.1126/sciadv.aat1991

Roca-Martí, M, Puigcorbé, V, Iversen, MH, van der Loeff, MR, Klaas, C, Cheah, W, Bracher, A and Masqué, P (2017) High particulate organic carbon export during the decline of a vast diatom bloom in the Atlantic sector of the Southern Ocean. Deep Sea Research Part II: Topical Studies in Oceanography, 138. 102-115. doi:10.1016/j.dsr2.2015.12.007 PANGAEA Supplementary Data

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 PANGAEA Supplementary Data

Laglera, LM, Tovar-Sánchez, A, Iversen, MH, González, HE, Naik, H, Mangesh, G, Assmy, P, Klaas, C, Mazzocchi, MG, Montresor, M, Naqvi, SWA, Smetacek, V and Wolf-Gladrow, DA (2017) Iron partitioning during LOHAFEX: Copepod grazing as a major driver for iron recycling in the Southern Ocean. Marine Chemistry, 196. 148-161. doi:10.1016/j.marchem.2017.08.011

Iversen, MH, Pakhomov, EA, Hunt, BPV, Van der Jagt, H, Wolf-Gladrow, D and Klaas, C (2017) Sinkers or floaters? Contribution from salp pellets to the export flux during a large bloom event in the Southern Ocean. Deep Sea Research Part II: Topical Studies in Oceanography, 138. 116-125. doi:10.1016/j.dsr2.2016.12.004

Fischer, G, Karstensen, J, Romero, OE, Baumann, KH, Donner, B, Hefter, J, Mollenhauer, G, Iversen, MH, Fiedler, B, Monteiro, I and Körtzinger, A (2016) Bathypelagic particle flux signatures from a suboxic eddy in the oligotrophic tropical North Atlantic: production, sedimentation and preservation. Biogeosciences, 13(11). 3203-3223. doi:10.5194/bg-13-3203-2016 PANGAEA Supplementary Data

Fischer, G, Romero, OE, Merkel, U, Donner, B, Iversen, MH, Nowald, N, Ratmeyer, V, Ruhland, G, Klann, M and Wefer, G (2016) Deep ocean mass fluxes in the coastal upwelling off Mauritania from 1988 to 2012: variability on seasonal to decadal timescales. Biogeosciences, 13(10). 3071-3090. doi:10.5194/bg-13-3071-2016

Belcher, A, Iversen, MH, Giering, S, Riou, V, Henson, SA, Berline, L, Guilloux, L and Sanders, R (2016) Depth-resolved particle-associated microbial respiration in the northeast Atlantic. Biogeosciences, 13(17). 4927-4943. doi:10.5194/bg-13-4927-2016

Friese, CA, van der Does, M, Merkel, U, Iversen, MH, Fischer, G and Stuut, JBW (2016) Environmental factors controlling the seasonal variability in particle size distribution of modern Saharan dust deposited off Cape Blanc. Aeolian Research, 22. 165-179. doi:10.1016/j.aeolia.2016.04.005 PANGAEA Supplementary Data

Wolf, C, Iversen, MH, Klaas, C and Metfies, K (2016) Limited sinking of Phaeocystis during a 12 days sediment trap study. Molecular Ecology, 25(14). 3428-3435. doi:10.1111/mec.13697

Fischer, G, Bouskri, G, Dia, A, Flintrop, C, Hüttich, D, Iversen, MH, Klann, M, Konrad, C, Park, E, Ruhland, G and Van der Jagt, H (2016) Report and preliminary results of R/V POSEIDON cruise POS495, Las Palmas (Canary Islands) - Las Palmas (Canary Islands), 18.02.2016 - 02.03.2016. Berichte, MARUM – Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen, 310. 1-29. urn:nbn:de:gbv:46-00105269-12

Belcher, A, Iversen, MH, Manno, C, Henson, SA, Tarling, GA and Sanders, R (2016) The role of particle associated microbes in remineralization of fecal pellets in the upper mesopelagic of the Scotia Sea, Antarctica. Limnology and Oceanography, 61(3). 1049-1064. doi:10.1002/lno.10269

Schulz, J, Möller, KO, Bracher, A, Hieronymi, M, Cisewski, B, Zielinski, O, Voss, D, Gutzeit, E, Dolereit, T, Niedzwiedz, G, Kohlberg, G, Schories, D, Kiko, R, Körtzinger, A, Falldorf, C, Fischer, P, Nowald, N, Beisiegel, K, Martínez Arbizu, P, Rüssmeier, N, Röttgers, R, Büdenbender, J, Jordt-Sedlazeck, A, Koch, R, Riebesell, U, Iversen, MH, Köser, K, Kwasnitschka, T, Wellhausen, J, Thoma, C, Barz, K, Rhode, S, Nattkemper, TW, Schoening, T, Peeters, F, Hofmann, H, Busch, J, Hirche, HJ, Niehoff, B, Hildebrandt, N, Stohr, E, Winter, C, Herbst, G, Konrad, C, Schmidt, M, Linke, P, Brey, T, Bange, HW, Nolle, L, Krägefsky, S, Gröger, J, Sauter, E, Schulz, M, Müller, J, Rehder, G, Stepputtis, D, Beszteri, B, Kloster, M, Kauer, G, Göritz, A, Gege, P, Freiherr von Lukas, U and Bathmann, UV (2015) Aquatische optische Technologien in Deutschland. Marine Science Reports - Meereswissenschaftliche Berichte, 97. 1-83. doi:10.12754/msr-2015-97

Iversen, MH and Robert, ML (2015) Ballasting effects of smectite on aggregate formation and export from a natural plankton community. Marine Chemistry, 175. 18-27. doi:10.1016/j.marchem.2015.04.009

Nowald, N, Iversen, MH, Fischer, G, Ratmeyer, V and Wefer, G (2015) Time series of in-situ particle properties and sediment trap fluxes in the coastal upwelling filament off Cape Blanc, Mauritania. Progress in Oceanography, 137. 1-11. doi:10.1016/j.pocean.2014.12.015 PANGAEA Supplementary Data

Thiele, S, Fuchs, BM, Amann, R and Iversen, MH (2014) Colonization in the photic zone and subsequent changes during sinking determine bacterial community composition in marine snow. Applied and Environmental Microbiology, 81(4). 1463-1471. doi:10.1128/AEM.02570-14 PANGAEA Supplementary Data

Ruff, SE, Probandt, D, Zinkann, AC, Iversen, MH, Klaas, C, Würzberg, L, Krombholz, N, Wolf-Gladrow, D, Amann, R and Knittel, K (2014) Indications for algae-degrading benthic microbial communities in deep-sea sediments along the Antarctic Polar Front. Deep Sea Research Part II: Topical Studies in Oceanography, 108. 6-16. doi:10.1016/j.dsr2.2014.05.011

Iversen, MH (2014) Is microbial gardening a food gamble or a safe bet? (Comment on DOI 10.1002/bies.201400100). BioEssays, 36(12). 1126. doi:10.1002/bies.201400181

Neuer, S, Iversen, MH and Fischer, G (2014) The Ocean's Biological Carbon pump as part of the global Carbon Cycle. Limnology and Oceanography e-Lectures. doi:10.4319/lol.2014.sneuer.miversen.gfischer.9

Fischer, G, Dehning, K, Dia, A, Füssel, J, Hefter, J, Iversen, MH, Klann, M, Nowald, N, Olbrich, M and Ruhland, G (2014) Report and preliminary results of R/V POSEIDON cruise POS464, Las Palmas (Canary Islands) - Las Palmas (Canary Islands), 03.02.2014 - 18.02.2014. Berichte, MARUM – Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen, 304. urn:nbn:de:gbv:46-00103963-17

Fischer, G, Ba, M, Dehning, K, Hefter, J, Iversen, MH, Klann, M, Nowald, N, Ploug, H, Ruhland, G and Witte, Y (2013) Report and preliminary results of R/V POSEIDON cruise POS445. Las Palmas – Las Palmas, 19.01.2013 – 01.02.2013. Berichte, MARUM - Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen, 298. 1-30. urn:nbn:de:gbv:46-00103379-13

Iversen, MH and Ploug, H (2013) Temperature effects on carbon-specific respiration rate and sinking velocity of diatom aggregates - potential implications for deep ocean export processes. Biogeosciences, 10(6). 4073-4085. doi:10.5194/bg-10-4073-2013 PANGAEA Supplementary Data

Yilmaz, P, Iversen, MH, Hankeln, W, Kottmann, R, Quast, C and Glöckner, FO (2012) Ecological structuring of bacterial and archaeal taxa in surface ocean waters. FEMS Microbiology Ecology, 81(2). 373-385. doi:10.1111/j.1574-6941.2012.01357.x PANGAEA Supplementary Data

Gärdes, A, Iversen, MH, Grossart, HP, Passow, U and Ullrich, MS (2011) Diatom-associated bacteria are required for aggregation of Thalassiosira weissflogii. Isme Journal, 5(3). 436-445. doi:10.1038/ismej.2010.145 PANGAEA Supplementary Data

Iversen, MH and Ploug, H (2010) Ballast minerals and the sinking carbon flux in the ocean: carbon-specific respiration rates and sinking velocity of marine snow aggregates. Biogeosciences, 7(9). 2613-2624. doi:10.5194/bg-7-2613-2010

Iversen, MH, Nowald, N, Ploug, H, Jackson, GA and Fischer, G (2010) High resolution profiles of vertical particulate organic matter export off Cape Blanc, Mauritania: Degradation processes and ballasting effects. Deep Sea Research Part I: Oceanographic Research Papers, 57(6). 771-784. doi:10.1016/j.dsr.2010.03.007 PANGAEA Supplementary Data

Wohlrab, S, Iversen, MH and John, U (2010) A molecular and co-evolutionary context for grazer induced toxin production in Alexandrium tamarense. PLoS ONE, 5(11). e15039. doi:10.1371/journal.pone.0015039

Karakas, G, Nowald, N, Schäfer-Neth, C, Iversen, MH, Barkmann, W, Fischer, G, Marchesiello, P and Schlitzer, R (2009) Impact of particle aggregation on fluxes of organic matter. Progress in Oceanography, 83. 331-341. doi:10.1016/j.pocean.2009.07.047

Nowald, N, Fischer, G, Ratmeyer, V, Iversen, MH, Reuter, C and Wefer, G (2009) In-situ sinking speed measurements of marine snow aggregates aquired with a settling chamber mounted to the Cherokee ROV. OCEANS 2009 - EUROPE (OCEANS-IEEE Series). 1-6. doi:10.1109/OCEANSE.2009.5278186

Ploug, H, Iversen, MH and Fischer, G (2008) Ballast, sinking velocity, and apparent diffusivity within marine snow and fecal pellets: Implications for substrate turnover by attached bacteria. Limnology and Oceanography, 53(5). 1878-1886. doi:10.4319/lo.2008.53.5.1878 PANGAEA Supplementary Data

Poulsen, LK and Iversen, MH (2008) Degradation of copepod fecal pellets: key role of protozooplankton. Marine Ecology Progress Series, 367. 1-13. doi:10.3354/meps07611 PANGAEA Supplementary Data

Ploug, H, Iversen, MH, Koski, M and Buitenhuis, ET (2008) Production, oxygen respiration rates, and sinking velocity of copepod fecal pellets: direct measurements of ballasting by opal and calcite. Limnology and Oceanography, 53(2). 469-476. doi:10.4319/lo.2008.53.2.0469 PANGAEA Supplementary Data

Iversen, MH and Poulsen, LK (2007) Coprorhexy, coprophagy, and coprochaly in the copepods Calanus helgolandicus, Pseudocalanus elongatus, and Oithona similis. Marine Ecology Progress Series, 350. 79-89. doi:10.3354/meps07095 PANGAEA Supplementary Data

Drillet, G, Iversen, MH, Sørensen, TF, Ramløv, H, Lund, T and Hansen, BW (2006) Effect of cold storage upon eggs of the calaniod copepod Acartia tonsa (Dana) and their offspring. Aquaculture, 254. 714-729. doi:10.1016/j.aquaculture.2005.11.018

Book Section

Wefer, G, Fischer, G and Iversen, MH (2015) Export Production. In: Harff, J, Meschede, M, Petersen, S and Thiede, J (eds.) Encyclopedia of Marine Geosciences. Springer Netherlands, 1-2. doi:10.1007/978-94-007-6644-0_59-1

This list was generated on Sat Sep 18 03:00:45 2021 CEST.