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Details of Dr. Jens Christian Nejstgaard   


Gender male
Job title LakeLab Scientific Coordinator
Leibniz-Institut für Gewässerökologie und Binnenfischerei ( IGB)
Alte Fischerhütte 2 Stechlin/OT Neuglobsow 16775
Leibniz-Institut für Gewässerökologie und Binnenfischerei Alte Fischerhütte 2
Stechlin/OT Neuglobsow
Tel [49]33082 69940
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Website http://www.igb-berlin.de/staff-igb/show/714.html, http://www.lake-lab.de/index.php/brief-profile-nejstgaard.html
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Degree PhD
Job type Research
Research Area(s) Biological Oceanography, Marine Ecology , Biological Oceanography, Marine Ecology
Research Activities Ecosystem studies, Large-scale Infrastructure, Mesocosm studies, Trophic interaction estimates, in situ - novel method development. HAB, Global warming and CO2 effects on plankton dynamics. Major species worked with: Phaeocystis, Emilliania, Prymnesium, Skeletonema, Diatoms, cilliates, copepods, Calanus, Acartia. 
Research Region 83, 18, 36
Skills/Expertise Zooplankton, Plankton Ecosystems, Trophic interactions, Molecular Ecology. Mesocosm and Enclosure studies.
PUBLICATIONS (as reported by Dr. Jens NEJSTGAARD)

Stoecker DK, Nejstgaard JC, Madhusoodhanan R, Pohnert G, Wolfram S, Jakobsen HH, ?ul?ius S, Simonelli P, Larsen A (online 2015) Under-estimation of microzooplankton grazing in dilution experiments due to inhibition of phytoplankton growth. Limnol Oceanogr
Larsen A, Egge JK, Nejstgaard JC, Di Capua I, Thyrhaug R, Bratbak G, Thingstad TF (2015) Contrasting response to nutrient manipulation in Arctic mesocosms are reproduced by a minimum microbial food web model. Limnol Oceanogr 60: 360-374
Leal MC, Ferrier-Pagès C, Calado R, Thompson ME, Frischer ME, Nejstgaard JC (2014) Coral feeding on microalgae assessed with molecular trophic markers. Mol Ecol 23:3870-3876
Leal MC, Berger SA, Ferrier-Pagès C, Calado R, Brandes JA, Frischer ME, Nejstgaard JC (2014) Temporal changes in the trophic ecology of the asymbiotic gorgonian Leptogorgia virgulata. Mar Biol 161: 2191-2197
Leal MC, Nejstgaard JC, Calado R, Thompson ME, Frischer ME (2014) Molecular assessment of heterotrophy and prey digestion in zooxanthellate cnidarians. Mol Ecol 23:3838-3848
Isari S, Zervoudaki S, Calbet A, Saiz E, Ptacnikova R, Nejstgaard JC, Sousoni D, Berger SA, Ptacnik R (2014) Light-induced changes on community composition, production, and feeding behaviour of marine copepods. J Plankton Res 36:1233-1246
Wolfram S, Nejstgaard JC, Pohnert G. (2014) Accumulation of polyunsaturated aldehydes in the gonads of the copepod Acartia tonsa revealed by tailored fluorescent probes. PLOS ONE 9: e112522
Calbet A, Sazhin AF, Nejstgaard JC, Berger SA, Tait ZS, Olmos L, Sousoni D, Isari S, Martínez RA, Bouquet J-M, Thompson EM, Jakobsen HH (2014) Future climate scenarios for a coastal productive planktonic food web resulting in microplankton phenology changes and decreased trophic transfer efficiency. PLOS One 9(4): e94388
Leal MC, Ferrier-Pagès C, Calado R, Brandes JA, Frischer ME, Nejstgaard JC (2014) Trophic ecology of the facultative symbiotic coral Oculina arbuscula. Mar Ecol Prog Ser 504:171-179
Gerecht A, Carotenuto Y, Ianora A, Romano G, Fontana A, d'Ippolito G, Jakobsen HH, Nejstgaard JC (2013) Oxylipin production during a mesocosm bloom of Skeletonema marinoi. J Exp Mar Biol Ecol 446:159-165
Amin RM, Båmstedt U, Nejstgaard JC, Di Capua I (2012) Partition of planktonic respiratory carbon requirements during a phytoplankton spring bloom. Mar Ecol Prog Ser 451:15-29
Koski M, Yebra L, Dutz J, Jónasdóttir S, Vidoudez C, Jakobsen HH, Pohnert G, Nejstgaard JC (2012) The effect of egg vs. seston quality on hatching success, naupliar metabolism and survival of Calanus finmarchicus in mesocosms dominated by Phaeocystis and diatoms. Mar Biol 159:643-660
Calbet A, Martínez RA, Isari S, Zervoudaki S, Nejstgaard JC, Pitta P, Sazhin AF, Sousoni D, Gomes A, Berger SA, Tsagaraki TM, Ptacnik R (2012) Effects of light availability on mixotrophy and microzooplankton grazing in an oligotrophic plankton food web: Evidences from a mesocosm study in Eastern Mediterranean waters. J Exp Mar Biol Ecol 424?425:66-77
Troedsson C, Bouquet JM, Lobon CM, Novac A, Nejstgaard JC, Dupont S, Bosak S, Jakobsen HH, Romanova N, Isla A, Dutz J, Sazhin AF, Thompson EM (2012-online) Effects of ocean acidification, temperature and nutrient regimes on the appendicularian Oikopleura dioica: A mesocosm study. Mar Biol SPECIAL ISSUE DOI 10.1007/s00227-012-2137-9
Jónasdóttir SH, Dutz J, Koski M, Yebra L, Jakobsen HH, Vidoudez C, Pohnert G, Nejstgaard JC (2011) Extensive cross-disciplinary analysis of biological and chemical control of Calanus finmarchicus reproduction during an aldehyde forming diatom bloom in mesocosms. Mar Biol 158:1943-1963
Vidoudez, C., J.C. Nejstgaard, H.H. Jakobsen, G. Pohnert. 2011. Dynamics of dissolved and particulate polyunsaturated aldehydes in mesocosms inoculated with different densities of the diatom.Skeletonema marinoi. Marine Drugs 9: 345-358
Durbin EG, Bucklin A, Nejstgaard JC, Frischer ME (2010) Box 6.1 Molecular techniques to establish trophic links. In: Barange M, Field JG, Harris RP, Hofmann EE, Perry RI, Werner F (eds) Marine Ecosystems and Global Change. Oxford University Press, Oxford, UK, p 131-133
Riebesell U, Lee K, Nejstgaard JC (2010) Pelagic mesocosms. In: Riebesell U, Fabry V, Hansson L, Gattuso J-P (eds) Guide to best practices for ocean acidification research and data reporting. Publications Office of the European Union, Luxembourg, p 260
Bradley PB, Sanderson MP, Nejstgaard JC, Frischer ME, Sazhin AF, Killberg-Thoreson LM, Verity PG, Campbell L, Bronk DA (2010) Nitrogen uptake by phytoplankton and bacteria during an induced Phaeocystis pouchetii bloom, measured using size fractionation and flow cytometric sorting approaches. Aquat Microb Ecol 61:89-104
Barofsky, A., P. Simonelli, C. Vidoudez, C. Troedsson, J.C. Nejstgaard, H.H. Jakobsen, G. Pohnert. 2010. Growth phase of the diatom Skeletonema marinoi influences the metabolic profile of the cells and the selective feeding of the copepod Calanus spp. Journal of Plankton Research 32: 263-272.
Troedsson C, Simonelli P, Nägele V, Nejstgaard JC, Frischer ME (2009) Quantification of copepod gut content by differential length amplification quantitative PCR (dla-qPCR). Mar Biol 156:253-259
Simonelli, P., C. Troedsson, J.C. Nejstgaard, K. Zech, J.B. Larsen, and M.E. Frischer. 2009. Evaluation of DNA extraction and handling procedures for PCR-based copepod feeding studies. Journal of Plankton Research 31: 1465-1474.
Antia AN, Suffrian K, Holste L, Müller MN, Nejstgaard JC, Simonelli P, Carotenuto Y, Putzeys S (2008) Dissolution of coccolithophorid calcite by microzooplankton and copepod grazing. Biogeosciences Discuss 5:1-23
Nejstgaard JC, Frischer ME, Simonelli P, Troedsson C, Brakel M, Adiyaman F, Sazhin AF, Artigas LF (2008) Quantitative PCR to estimate copepod feeding. Mar Biol 153:565-577
Schulz KG, Riebesell U, Bellerby RGJ, Biswas H, Meyerhöfer M, Müller MN, Egge JK, Nejstgaard JC, Neill C, Wohlers J, Zöllner E (2008) Built-up and decline of organic matter during PeECE III. Biogeosciences 5: 707-718
Suffrian K, Simonelli P, Nejstgaard JC, Putzeys S, Carotenuto Y, Antia AN (2008) Microzooplankton grazing and phytoplankton growth in marine mesocosms with increased CO2 levels. Biogeosciences 5:1145-1156
Sanderson MP, Bronk DA, Nejstgaard JC, Verity PG, Sazhin AF, Frischer ME (2008) Phytoplankton and bacterial uptake of inorganic and organic nitrogen during an induced bloom of Phaeocystis pouchetii. Aquat Microb Ecol 51:153-168
Thingstad TF, Bellerby RGJ, Bratbak G, Børsheim KY, Egge JK, Heldal M, Larsen A, Neill C, Nejstgaard J, Norland S, Sandaa RA, Skjoldal EF, Tanaka T, Thyrhaug R, Töpper B (2008) Counterintuitive carbon-to-nutrient coupling in an Arctic pelagic ecosystem. Nature 455:387-390
van Rijssel M, Alderkamp A-C, Nejstgaard J, Sazhin A, Verity P (2007) Haemolytic activity of live Phaeocystis pouchetii during mesocosm blooms. Biogeochemistry 83:189-200
Troedsson CG, Frischer ME, Nejstgaard JC, Thompson EM (2007) Molecular quantification of differential ingestion and particle trapping rates by the Appendicularian Oikopleura dioica as a function of prey size and shape. Limnnology and Oceanography 52:416-42
Nejstgaard JC, Tang KW, Steinke M, Dutz J, Koski M, Antajan E, Long JD (2007) Zooplankton grazing on Phaeocystis: a quantitative review and future challenges. Biogeochemistry 83:147-172
Whipple SJ, Patten BC, Verity PG, Frischer ME, Long JD, Nejstgaard JC, Anderson JT, Jacobsen A, Larsen A, Martinez-Martinez J, Borrett SR (2007) Gaining integrated understanding of Phaeocystis spp. (Prymnesiophyceae) through model-driven laboratory and mesocosm studies. Biogeochemistry 83:293-309
Verity PG, Brussaard CP, Nejstgaard JC, van Leeuwe MA, Lancelot C, Medlin LK (2007) Current understanding of Phaeocystis ecology and biogeochemistry, and perspectives for future research. Biogeochemistry 83:311-330
Verity PG, Whipple SJ, Nejstgaard JC, Alderkamp A-C (2007) Colony size, cell number, carbon and nitrogen contents of Phaeocystis pouchetii from western Norway. J Plankton Res:fbm021
Carotenuto Y, Putzeys S, Simonelli P, Paulino A, Meyerhöfer M, Suffrian K, Antia A, Nejstgaard JC (2007) Copepod feeding and reproduction in relation to phytoplankton development during the PeECE III mesocosm experiment. Biogeosciences Discuss 4:3913-3936
Nejstgaard JC, Tang KW, Steinke M, Dutz J, Koski M, Antajan E, Long JD (2007) Zooplankton grazing on Phaeocystis: a quantitative review and future challenges. Biogeochemistry 83:147-172
Verity PG, Zirbel MJ, Nejstgaard JC (2007) Formation of very young colonies by Phaeocystis pouchetii from western Norway. Aquat Microb Ecol 47:267-274
Alderkamp A-C, Nejstgaard JC, Verity PG, Zirbel MJ, Sazhin AF, van Rijssel M (2006) Dynamics in carbohydrate composition of Phaeocystis pouchetii colonies during spring blooms in mesocosms. J Sea Res 55:169-181
Nejstgaard JC, Frischer ME, Verity PG, Anderson JT, Jacobsen A, Zirbel MJ, Larsen A, Martínez-Martínez J, Sazhin AF, Walters T, Bronk DA, Whipple SJ, Borett SR, Patten BC, Long JD (2006) Temporal patterns in planktonic food web development in mesocosms with added nutrients and Phaeocystis. Mar Ecol Prog Ser 321:99-121
Paffenhöfer GA, Ianora A, Miralto A, Turner JT, Kleppel GS, d?Alcalà MR, Casotti R, Caldwell GS, Pohnert G, Fontana A, Müller-Navarra D, Jónasdóttir S, Armbrust V, Båmstedt U, Ban S, Bentley MG, Boersma M, Bundy M, Buttino I, Calbet A, Carlotti F, Carotenuto Y, d?Ippolito G, Frost B, Guisande C, Lampert W, Lee RF, Mazza S, Mazzocchi MG, Nejstgaard JC, Poulet SA, Romano G, Smetacek V, Uye S, Wakeham S, Watson S, Wichard T (2005) Colloquium on diatom-copepod interactions. Mar Ecol Prog Ser 286:293-305
Engel A, Zondervan I, Aerts K, Beaufort L, Benthien A, Chou L, Delille B, Gattuso J-P, Harlay J, Heemann C, Hoffmann L, Jacquet S, Nejstgaard J, Pizay M-D, Rochelle-Newall E, U.Schneider, Terbrueggen A, Riebesell U (2005) Testing the direct effect of CO2 concentration on a bloom of the coccolithophorid Emiliania huxleyi in mesocosm experiments. Limnol Oceanogr 50:493-507
Aksnes DL, Nejstgaard JC, Sædberg E, Sørnes T (2004) Optical control of fish and zooplankton populations. Limnology and Oceanography 49:233-238
Helland S, Nejstgaard JC, Fyhn HJ, Egge JK, Båmstedt U (2003) Effects of starvation, season, and diet on the free amino acid and protein content of Calanus finmarchicus females. Marine Biology 143:297 - 306
Svensen C, Nejstgaard JC (2003) Sedimentation of copepod faecal pellets determined by cyclopoids? Evidence from enclosed ecosystems. J Plankton Res 25(8):917-926
Nejstgaard JC, Frischer ME, Raule CL, Gruebel R, Kohlberg KE, Verity PG (2003) Molecular detection of algal prey in copepod guts and faecal pellets. Limnology and Oceanography: Methods 1:29-38
Helland S, Nejstgaard JC, Humlen R, Fyhn HJ, Båmstedt U (2003) Effects of season and maternal food on Calanus finmarchicus reproduction, with emphasis on free amino acids. Marine Biology 142:1141-1151
Svensen C, Nejstgaard JC, Egge JK, Wassmann P (2002) Pulsing versus constant supply of nutrients (N, P and Si): effect on phytoplankton, mesozooplankton and vertical flux of biogenic matter. Sci Mar 66(3):189-203
Nejstgaard JC, Naustvoll L-J, Sazhin A (2001) Correcting for underestimation of microzooplankton grazing in bottle incubation experiments with mesozooplankton. Mar Ecol Prog Ser 221:59-75
Båmstedt U, Nejstgaard JC, Solberg PT (1999) Utilisation of small-sized food algae by Calanus finmarchicus (Copepoda: Calanoida) and adaptation responses in its life-cycle. Sarsia 84:19-38
Nejstgaard JC, Gismervik I, Solberg PT [1997] Feeding and reproduction by Calanus finmarchicus, and microzooplankton grazing during mesocosm blooms of diatoms and the coccolithophore Emiliania huxleyi. Mar.Ecol.Prog.Ser, Vol 147:197-217
Nejstgaard JC, Solberg PT [1996] Repression of copepod feeding and fecundity by the toxic haptophyte Prymnesium patelliferum. Sarsia, Vol 81, pp 339-344
Levasseur M, Michaud S, Egge J, Cantin G, Nejstgaard JC, Sanders R, Fernándes E, Solberg PT, Heimdal BR, Gosselin M (1996) Production of DMSP and DMS during a mesocosm study of an Emiliania huxleyi bloom: influence of bacteria and Calanus finmarchicus grazing. Mar Biol 126:609-618
Nejstgaard JC, Båmstedt U, Bagøien E, Solberg PT (1995) Algal constraints on copepod grazing. Growth state, toxicity, cell size and season as regulating factors. ICES J Mar Sci 57:347-357
Nejstgaard JC, Witte HJ, Wal P van der, Jacobsen A [1994] Copepod grazing during a mesocosm study of an Emiliania huxleyi (Prymnesiophyceae) bloom. Sarsia, Vol 79, pp 369-377
Estep KW, Nejstgaard JC, Skjoldal HR, Rey F [1990] Predation by copepods upon natural populations of Phaeocystis pouchetii as a function of the physiological state of the prey. Mar.Ecol.Prog.Ser, Vol 67, pp 235-249

Group(s): NORDIR
Created: 1997-03-12 Last Updated: 2016-06-18 by Jens NEJSTGAARD