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Number of items: 23.

Peer-reviewed, Web of Science / Scopus

Article
Freese, D. , Søreide, J. E. , Graeve, M. ORCID: https://orcid.org/0000-0002-2294-1915 and Niehoff, B. (2017)
A year-round study on metabolic enzymes and body composition of the Arctic copepod Calanus glacialis: implications for the timing and intensity of diapause. ,
Marine Biology, 164 (3), pp. 1-12 .
doi:10.1007/s00227-016-3036-2 , hdl:10013/epic.51148

Article
Freese, D. , Niehoff, B. and Soreide, J. (2016)
A year-round study on digestive enzymes in the Arctic copepod Calanus glacialis: implications for its capability to adjust to changing environmental conditions ,
Polar Biology, 39 (12), pp. 2241-2252 .
doi:10.1007/s00300-016-1891-4 , hdl:10013/epic.49627
[thumbnail of Freese2016EPIC.pdf]
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Article
Freese, D. , Schewe, I. ORCID: https://orcid.org/0000-0003-3372-3224, Kanzog, C. , Soltwedel, T. ORCID: https://orcid.org/0000-0002-8214-5937 and Klages, M. (2012)
Recolonisation of new habitats by meiobenthic organisms in the deep Arctic Ocean: an experimental approach ,
Polar Biology, 35 , pp. 1801-1813 .
doi:10.1007/s00300-012-1223-2 , hdl:10013/epic.39910
[thumbnail of POBI_Freese_2012.pdf]
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Article
Freese, D. and Kottmeier, C. (1998)
Radiation exchange between stratus clouds and polar marine surfaces ,
Boundary-layer meteorology, 87 , pp. 331-356 .
hdl:10013/epic.11436

Peer-reviewed

Article
Freese, D. , Niehoff, B. , Soreide, J. and Sartoris, F. J. (2015)
Seasonal patterns in extracellular ion concentrations and pH of the Arctic copepod Calanus glacialis ,
Limnology and Oceanography .
doi:10.1002/lno.10158 , hdl:10013/epic.46085

Article
Freese, D. , Kreibich, T. and Niehoff, B. (2012)
Characteristics of digestive enzymes of calanoid copepod species from different latitudes in relation to temperature, pH and food ,
Comparative Biochemistry and Physiology, Part B, 162 (4), pp. 66-72 .
doi:10.1016/j.cbpb.2012.04.007 , hdl:10013/epic.40641

Not peer-reviewed

Conference -Talk
Freese, D. , Soreide, J. , Sartoris, F. J. and Niehoff, B. (2015)
Indication for the timing of diapause – Seasonal development of metabolic activity in the Arctic copepod Calanus glacialis ,
ASLO Aquatic Science Meeting, Granada, Spain, 22 February 2015 - 27 February 2015 .
hdl:10013/epic.45325

Conference -Talk
Tonkes, H. , Niehoff, B. , Freese, D. and Sartoris, F. J. (2015)
Influence of pCO2, temperature, and feeding on the extracellular pH of Calanus glacialis during diapause ,
ASLO Aquatic Sciences Meeting 2015, Granada, Spain, 22 February 2015 - 27 February 2015 .
hdl:10013/epic.45246
[thumbnail of H_Tonkes_2015_ASLO_Granada_Spain.pdf]
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Conference -Poster
Niehoff, B. , Freese, D. , Graeve, M. ORCID: https://orcid.org/0000-0002-2294-1915 and Søreide, J. E. (2015)
Gonad development in juvenile Calanus glacialis during overwintering in a high Arctic fjord ,
ASLO Aquatic Science Meeting, Granada, Spain, 23 February 2015 - 28 February 2015 .
hdl:10013/epic.45248

Thesis -PhD
Freese, D. (2015)
Life history traits of copepods in a changing Arctic - Seasonal patterns in the physiology of Calanus glacialis
PhD thesis,
hdl:10013/epic.46116

Conference -Poster
Soreide, J. , Hatlebakk, M. , Daase, M. , Boissonnot, L. , Freese, D. , Graeve, M. ORCID: https://orcid.org/0000-0002-2294-1915 and Niehoff, B. (2015)
Fate of the key Arctic copepod Calanus glacialis in a changing Arctic ,
Arctic Frontiers 2015, 21 January 2015 - 23 January 2015 .
hdl:10013/epic.45250

Conference -Talk
Niehoff, B. , Freese, D. and Søreide, J. E. (2015)
Digestive enzyme activities during the ontogenetic vertical migration of Calanus glacialis ,
Arctic Frontiers, Troms, January 2015 - unspecified .
hdl:10013/epic.2b0734d2-e48f-4115-880f-22888981c76f
[thumbnail of Niehoff2015EPIC.pdf]
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Conference -Poster
Soreide, J. , Daase, M. , Freese, D. , Niehoff, B. , Boissonnot, L. , Hatlebakk, M. and Graeve, M. ORCID: https://orcid.org/0000-0002-2294-1915 (2014)
Maline Daase: How much for the night? - Energetic costs of overwintering for the Arctic copepod Calanus glacialis ,
Arctic Change 2014, Ottawa, Canada, 8 December 2014 - 12 December 2014 .
hdl:10013/epic.44996

Conference -Talk
Søreide, J. E. , Daase, M. , Hattlebak, M. , Boissonnot, L. , Freese, D. , Niehoff, B. and Graeve, M. ORCID: https://orcid.org/0000-0002-2294-1915 (2014)
Energetic costs for the Arctic copepod Calanus glacialis during overwintering ,
IMBER open science conference, IMBER open science conference, 23 June 2014 - 27 June 2014 .
hdl:10013/epic.43847

Conference -Talk
Freese, D. , Niehoff, B. and Søreide, J. E. (2013)
Effects of food and light on the physiology of Calanus glacialis during different seasons in the Arctic ,
Arctic Frontiers, Tromsø, Norway, 20 January 2013 - 25 January 2013 .
hdl:10013/epic.41541

Conference -Talk
Schewe, I. ORCID: https://orcid.org/0000-0003-3372-3224, Freese, D. , Soltwedel, T. ORCID: https://orcid.org/0000-0002-8214-5937 and Klages, M. (2010)
Recolonization of experimental deployed sediments by meiobenthos organisms in an arctic deep-sea environment ,
12th Deep-Sea Biology Symposium, Reykjavik, Island.-11.06.2010. .
hdl:10013/epic.35379

Thesis -Master
Freese, D. (2010)
Enzyme activity in calanoid copepods: relation to pH and environmental conditions ,
Master thesis, University Bremen.
hdl:10013/epic.36671

Thesis -PhD
Freese, D. (1999)
Solare und terrestrische Strahlungswechselwirkung zwischen arktischen Eisflächen und Wolken ,
PhD thesis,
hdl:10013/epic.11435
[thumbnail of BzP_0312_1999.pdf]
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Conference -Conference paper
Hartmann, J. , Reuter, A. , Albers, F. , Augstein, E. , Freese, D. , Lüpkes, C. ORCID: https://orcid.org/0000-0001-6518-0717 and Raschke, E. (1999)
First Results of the Airborne Measurements during ARTIST ,
Fifth Conference on Polar Meteorology and Oceanography, Dallas, TX .
hdl:10013/epic.14226

Conference -Conference paper
Freese, D. and Hartmann, J. (1999)
Radiation-induced Dynamics in Arctic Stratus Clouds ,
Fifth Conference on Polar Meteorology and Oceanography, Dallas, TX .
hdl:10013/epic.14227

Conference -Conference paper
Freese, D. and Reuter, A. (1998)
Strahlungsinduzierte Dynamik stratiformer Bewölkung in der Arktis ,
Ann Meteorol .
hdl:10013/epic.11434

"Berichte zur Polar- und Meeresforschung" Miscellaneous
Hartmann, J. N. , Bochert, A. and Freese, D. (1997)
Radiation and Eddy Flux Experiment 1995 (REFLEX III) ,
Berichte zur Polarforschung (Reports on Polar Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 218 , 74 p. .
doi:10.2312/BzP_0218_1997 , hdl:10013/epic.10219
[thumbnail of Fulltext]
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Article
Kottmeier, C. , Hartmann, J. , Wamser, C. , Bochert, A. , Lüpkes, C. ORCID: https://orcid.org/0000-0001-6518-0717, Freese, D. and Cohrs, W. (1994)
Radiation and Eddy Flux Experiment 1993 (REFLEX II) ,
Reports on Polar Research, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, 133 .
hdl:10013/epic.12315

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