Photo of Marja Koski
  • Kemitorvet, 202, 4136

    2800 Kgs. Lyngby

    Denmark

19952020

Research output per year

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Research Output

2020

The missing piece of the upper mesopelagic carbon budget? Biomass, vertical distribution and feeding of aggregate-associated copepods at the PAP site

Koski, M., Valencia, B., Newstead, R. & Thiele, C., 2020, In : Progress in Oceanography. 181, 102243.

Research output: Contribution to journalJournal articleResearchpeer-review

2019

Copepod carcasses in the subtropical convergence zone of the Sargasso Sea: implications for microbial community composition, system respiration and carbon flux

Tang, K. W., Backhaus, L. L. V., Riemann, L., Koski, M., Grossart, H-P., Munk, P. & Nielsen, T. G., 2019, In : JOURNAL OF PLANKTON RESEARCH. 41, 4, p. 549-560

Research output: Contribution to journalJournal articleResearchpeer-review

Risk assessment of harmful types of plastics in the marine environment

Fauser, P., Bach, L., Daugaard, A. E., Vollertsen, J., Murphy, F., Koski, M., Christensen, A., Joest Andersen, T., Scott-Fordsmand, J. J. & Strand, J., 2019, Aarhus: Aarhus University, DCE - Danish Centre for Environment and Energy. 76 p. (Scientific Report from DCE – Danish Centre for Environment and Energy; No. 329).

Research output: Book/ReportReport

Open Access
File
290 Downloads (Pure)
2018

Copepods boost the production but reduce the carbon export efficiency by diatoms

Moricea, B., Iversen, M. H., Gallinar, M., Evertsen, A-J. O., Le Goff, M., Beker, B., Boutorh, J., Corvaisier, R., Coffineau, N., Donval, A., Giering, S. L. C., Koski, M., Lambert, C., Lampit, R. S., Le Mercier, A., Masson, A., Stibor, H., Stockenreiter, M. & De La Rocha, C. L., 2018, In : Frontiers in Marine Science. 5, 15 p., 82.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
237 Downloads (Pure)

Metagenomic insights into zooplankton-associated bacterial communities

De Corte, D., Srivastava, A., Koski, M., Garcia, J. A. L., Takaki, Y., Yokokawa, T., Nunoura, T., Elisabeth, N. H., Sintes, E. & Herndl, G. J., 2018, In : Environmental Microbiology. 20, 2, p. 492-405

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
269 Downloads (Pure)

Towards control of unwanted cyst-forming dinoflagellates in aquaculture systems: Knockout and recovery of Pfiesteria sp. after peracetic acid exposure

Pinyol Gallemi, A., Pedersen, L-F. & Koski, M., 2018, In : Aquaculture Research. 49, 11, p. 3682-3685

Research output: Contribution to journalJournal articleResearchpeer-review

2017

Acute and semi-chronic toxicity of vanadium tested on copepods of the species Temora longicornis

Kristiansen, M. H., Iversen, N. H., Koski, M. & Trapp, S., 2017, Book of Abstracts Sustain 2017. Kgs. Lyngby, Denmark: Technical University of Denmark, 1 p. Sustain Abstract A-10

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access
File
623 Downloads (Pure)

Ecological effects of scrubber water discharge on coastal plankton: Potential synergistic effects of contaminants reduce survival and feeding of the copepod Acartia tonsa

Koski, M., Stedmon, C. & Trapp, S., 2017, Book of Abstracts Sustain 2017. 1 p. A-9

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access
File
387 Downloads (Pure)

Feeding on dispersed vs. aggregated particles: The effect of zooplankton feeding behavior on vertical flux

Koski, M., Boutorh, J. & De La Rocha, C. L., 2017, In : P L o S One. 12, 5, e0177958.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
406 Downloads (Pure)

Prevalence and risk factors associated with Theileria parva infection in cattle in three regions of Tanzania

Kerario, I. I., Simuunza, M. C., Chenyambuga, S. W., Koski, M., Hwang, S-G. & Muleya, W., 2017, In : Tropical Animal Health and Production. 49, 8, p. 1613-1621

Research output: Contribution to journalJournal articleResearchpeer-review

2015

A marine eutrophication impacts assessment method in LCIA coupling coastal ecosystems exposure to nitrogen and species sensitivity to hypoxia

Cosme, N. M. D., Koski, M. & Hauschild, M. Z., 2015.

Research output: Contribution to conferenceConference abstract for conferenceResearch

Coupling ecosystems exposure to nitrogen and species sensitivity to hypoxia: modelling marine eutrophication in LCIA

Cosme, N. M. D., Koski, M. & Hauschild, M. Z., 2015. 2 p.

Research output: Contribution to conferenceConference abstract for conferenceResearch

Open Access
File
202 Downloads (Pure)

Exposure factors for marine eutrophication impacts assessment based on a mechanistic biological model

Cosme, N. M. D., Koski, M. & Hauschild, M. Z., 2015, In : Ecological Modelling. 317, p. 50-63

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
417 Downloads (Pure)

From nitrogen enrichment to oxygen depletion: a mechanistic model of coastal marine ecosystems response

Cosme, N. M. D., Koski, M. & Hauschild, M. Z., 2015. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearch

Open Access
File
168 Downloads (Pure)

Teaching sustainability in Aquatic Science and Technology - collaborations between DTU-Aqua, UCPH-BIO and UCPH-PLEN

Ellegaard, M., Koski, M. & Middelboe, M., 2015, Book of Abstracts. DTU's Sustain Conference 2015. Lyngby: Technical University of Denmark, 1 p. J-7

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access
File
58 Downloads (Pure)

The effect of zooplankton on the efficiency of the biological carbon pump

Koski, M. & Pankoke, L. M., 2015.

Research output: Contribution to conferenceConference abstract for conferenceResearch

2014

Does copepod size determine food consumption of particulate feeding fish?

Deurs, M. V., Koski, M. & Rindorf, A., 2014, In : ICES Journal of Marine Science. 71, 1, p. 35-43

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
139 Downloads (Pure)

The Biological carbon pump in the North Atlantic

Sanders, R., Henson, S. A., Koski, M., De La Rocha, C. L., Painter, S. C., Poulton, A. J., Riley, J., Salihoglu, B., Visser, A., Yool, A., Bellerby, R. & Martin, A. P., 2014, In : Progress in Oceanography. 129 B, p. 200-218

Research output: Contribution to journalJournal articleResearchpeer-review

The Mystery of Microsetella – Combination of egg- and broadcast spawning in an Arctic fjord?

Koski, M., Swalethorp, R., Kjellerup, S. & Nielsen, T. G., 2014, In : Journal of Plankton Research. 36, 1, p. 259-264

Research output: Contribution to journalJournal articleResearchpeer-review

2013

Copepods use chemical trails to find sinking marine snow aggregates

Lombard, F., Koski, M. & Kiørboe, T., 2013, In : Limnology and Oceanography. 58, 1, p. 185-192

Research output: Contribution to journalJournal articleResearchpeer-review

File
341 Downloads (Pure)
2012

The effect of egg versus seston quality on hatching success, naupliar metabolism and survival of Calanus finmarchicus in mesocosms dominated by Phaeocystis and diatoms

Koski, M., Yebra, L., Dutz, J., Jonasdottir, S., Vidoudez, C., Jakobsen, H. H., Pohnert, G. & Nejstgaard, J., 2012, In : Marine Biology. 159, 3, p. 643-660

Research output: Contribution to journalJournal articleResearchpeer-review

2011

Biological processes in the North Sea: vertical distribution and reproduction of neritic copepods in relation to environmental factors

Koski, M., Jonasdottir, S. & Bagøien, E., 2011, In : Journal of Plankton Research. 33, 1, p. 85-103

Research output: Contribution to journalJournal articleResearchpeer-review

Copepods and the biological pump: The potential effects of large vs. small copepods on vertical flux

Koski, M., Arendt, K. E., Lombard, F., Jonasdottir, S., Dutz, J. & Kjellerup, S., 2011, Book of Abstracts. 143 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Extensive cross-disciplinary analysis of biological and chemical control of Calanus finmarchicus reproduction during an aldehyde forming diatom bloom in mesocosms

Jonasdottir, S., Dutz, J., Koski, M., Yebra, L., Jakobsen, H. H., Vidoudez, C., Pohnert, G. & Nejstgaard, J. C., 2011, In : Marine Biology. 158, 9, p. 1943-1963

Research output: Contribution to journalJournal articleResearchpeer-review

File
377 Downloads (Pure)

Strain-related physiological and behavioral effects of Skeletonema marinoi on three common planktonic copepods

Md Amin, R., Koski, M., Båmstedt, U. & Vidoudez, C., 2011, In : Marine Biology. 158, 9, p. 1965-1980

Research output: Contribution to journalJournal articleResearchpeer-review

2010

Seasonal changes in food quantity and quality of the common North Sea copepods Temora longicornis and Pseudocalanus elongatus: a bioassay approach

Koski, M., Dutz, J., Klein Breteler, W., Rampen, S. & Noordeloos, A., 2010, In : Marine Ecology - Progress Series. 399, p. 141-155

Research output: Contribution to journalJournal articleResearchpeer-review

2009

Effects of carbon-dioxide-induced acidification on algal quality for copepod reproduction

Dutz, J., Jakobsen, H. H., Tang, K. & Koski, M., 2009.

Research output: Contribution to conferenceConference abstract for conferenceResearch

Glutathione transferase activity and oocyte development in copepods exposed to toxic phytoplankton

Kozlowsky-Suzuki, B., Koski, M., Hallberg, E., Wallén, R. & Carlsson, P., 2009, In : Harmful Algae. 8, 3, p. 395-406

Research output: Contribution to journalJournal articleResearchpeer-review

2008

Copepod reproduction is unaffected by diatom aldehydes or lipid composition

Dutz, J., Koski, M. & Jonasdottir, S., 2008, In : Limnology and Oceanography. 53, 1, p. 225-235

Research output: Contribution to journalJournal articleResearchpeer-review

"Good" and "bad" diatoms: development, growth and juvenile mortality of the copepod Temora longicornis on diatom diets

Koski, M., Wichard, T. & Jonasdottir, S., 2008, In : Marine Biology. 154, 4, p. 719-734

Research output: Contribution to journalJournal articleResearchpeer-review

Production, oxygen respiration rates, and sinking velocity of copepod fecal pellets: Direct measurements of ballasting by opal and calcite

Ploug, H., Iversen, M. H., Koski, M. & Buitenhuis, E. T., 2008, In : Limnology and Oceanography. 53, 2, p. 469-476

Research output: Contribution to journalJournal articleResearchpeer-review

Prymnesium parvum exotoxins affect the grazing and viability of the calanoid copepod Eurytemora affinis

Sopanen, S., Koski, M., Uronen, P., Kuupo, P., Lehtinen, S., Legrand, C. & Tamminen, T., 2008, In : Marine Ecology - Progress Series. 361, p. 191-202

Research output: Contribution to journalJournal articleResearchpeer-review

2007

Disruption of microbial food web and inhibition of metazooplankton development in the presence of iron and DOM-stimulated Baltic Sea cyanobacteria

Kozlowsky-Suzuki, B., Karjalainen, M., Koski, M., Carlsson, P., Stolte, W., Balode, M. & Granéli, E., 2007, In : Marine Ecology - Progress Series. 337, p. 15-26

Research output: Contribution to journalJournal articleResearchpeer-review

High reproduction of Calanus finmarchicus during a diatom-dominated spring bloom

Koski, M., 2007, In : Marine Biology. 151, 5, p. 1785-1798

Research output: Contribution to journalJournal articleResearchpeer-review

Supplemental effects of diet mixing on absorption of ingested organic carbon in the marine copepod Acartia tonsa

Thor, P., Koski, M., Tang, K. W. & Jonasdottir, S., 2007, In : Marine Ecology - Progress Series. 331, p. 131-138

Research output: Contribution to journalJournal articleResearchpeer-review

The fate of discarded appendicularian houses: degradation by the copepod, Microsetella norvegica , and other agents

Koski, M., Møller, E. F., Maar, M. & Visser, A., 2007, In : Journal of Plankton Research. 29, 7, p. 641-654

Research output: Contribution to journalJournal articleResearchpeer-review

Zooplankton grazing on Phaeocystis : a quantitative review and future challenges

Nejstgaard, J. C., Tang, K. W., Steinke, M., Dutz, J., Koski, M., Antajan, E. & Long, J. L., 2007, In : Biogeochemistry. 83, 1/3, p. 147-172

Research output: Contribution to journalJournal articleResearchpeer-review

2006

Life-stage-specific differences in exploitation of food mixtures: diet mixing enhances copepod egg production but not juvenile development

Koski, M., Breteler, W. K., Schogt, N., Gonzalez, S. & Jakobsen, H. H., 2006, In : Journal of Plankton Research. 28, 10, p. 919-936

Research output: Contribution to journalJournal articleResearchpeer-review

Post-bloom feeding of Calanus finmarchicus copepodites: Selection for autotrophic versus heterotrophic prey

Koski, M. & Riser, C. W., 2006, In : Marine Biology Research. 2, 2, p. 109-119

Research output: Contribution to journalJournal articleResearchpeer-review

Toxic haptophyte Prymnesium parvum affects grazing, survival, egestion and egg production of the calanoid copepods Eurytemora affinis and Acartia bifilosa

Sopanen, S., Koski, M., Kuupo, P., Uronen, P., Legrand, C. & Tamminen, T., 2006, In : Marine Ecology - Progress Series. 327, p. 223-232

Research output: Contribution to journalJournal articleResearchpeer-review

Trophic significance of solitary cells of the prymnesiophyte Phaeocystis globosa depends on cell type

Dutz, J. & Koski, M., 2006, In : Limnology and Oceanography. 51, 3, p. 1230-1238

Research output: Contribution to journalJournal articleResearchpeer-review

2005

Benthic life in the pelagic: Aggregate encounter and degradation rates by pelagic harpacticoid copepods

Koski, M., Kiørboe, T. & Takahashi, K., 2005, In : Limnology and Oceanography. 50, 4, p. 1254-1263

Research output: Contribution to journalJournal articleResearchpeer-review

Selective grazing of Temora longicornis in different stages of a Phaeocystis globosa bloom - a mesocosm study

Koski, M., Dutz, J. & Breteler, W. C. M. K., 2005, In : Harmful Algae. 4, 5, p. 915-927

Research output: Contribution to journalJournal articleResearchpeer-review

2004

Role of essential lipids in copepod nutrition: no evidence for trophic upgrading of food quality by a marine ciliate

Klein Breteler, W., Koski, M. & Rampen, S., 2004, In : Marine Ecology - Progress Series. 274, p. 199-208

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
352 Downloads (Pure)
2003

Development and grazing of Temora longicornis (Copepoda, Calanoida) nauplii during nutrient limited Phaeocystis globosa blooms in mesocosms

Klein Breteler, W. & Koski, M., 2003, In : Hydrobiologia. 491, 1-3, p. 185-192

Research output: Contribution to journalJournal articleResearchpeer-review

Feeding, reproduction and toxin accumulation by the copepods Acartia bifilosa and Eurytemora affinis in the presence of the toxic cyanobacterium Nodularia spumigena

Kozlowsky-Suzuki, B., Karjalainen, M., Lehtiniemi, M., Engström-Öst, J., Koski, M. & Carlsson, P., 2003, In : Marine Ecology Progress Series. 249, p. 237-249

Research output: Contribution to journalJournal articleResearchpeer-review

Influence of diet on copepod survival in the laboratory

Koski, M. & Klein Breteler, W., 2003, In : Marine Ecology Progress Series. 264, p. 73-82

Research output: Contribution to journalJournal articleResearchpeer-review

Selective feeding of Temora longicornis adults vs. nauplii in a Phaeocystis dominated mesocosm

Koski, M., Dutz, J. & Breteler, W. K., 2003.

Research output: Contribution to conferencePosterResearch