Kirsten Seestern Christoffersen

Kirsten Seestern Christoffersen

Professor

Member of:


    1. Published

      A European Multi Lake Survey dataset of environmental variables, phytoplankton pigments and cyanotoxins

      Mantzouki, E., Campbell, J., Loon, E. V., Visser, P., Konstantinou, I., Antoniou, M., Giuliani, G., Machado-Vieira, D., Oliveira, A. G. D., Maronić, D. Š., Stević, F., Pfeiffer, T. Ž., Vucelić, I. B., Žutinić, P., Udovič, M. G., Plenković-Moraj, A., Tsiarta, N., Bláha, L., Geriš, R., Fránková, M. & 186 others, Christoffersen, Kirsten Seestern, Perlt, Trine Warming, Feldmann, T., Laas, A., Panksep, K., Tuvikene, L., Kangro, K., Häggqvist, K., Salmi, P., Arvola, L., Fastner, J., Straile, D., Rothhaupt, K. O., Fonvielle, J., Grossart, H. P., Avagianos, C., Kaloudis, T., Triantis, T., Zervou, S. K., Hiskia, A., Gkelis, S., Panou, M., McCarthy, V., Perello, V. C., Obertegger, U., Boscaini, A., Flaim, G., Salmaso, N., Cerasino, L., Koreivienė, J., Karosienė, J., Kasperovičienė, J., Savadova, K., Vitonytė, I., Haande, S., Skjelbred, B., Grabowska, M., Karpowicz, M., Chmura, D., Nawrocka, L., Kobos, J., Mazur-Marzec, H., Alcaraz-Párraga, P., Wilk-Woźniak, E., Krztoń, W., Walusiak, E., Gagala, I., Mankiewicz-Boczek, J., Toporowska, M., Pawlik-Skowronska, B., Niedźwieck, M., Pęczuła, W., Napiórkowska-Krzebietke, A., Dunalska, J., Sieńska, J., Szymański, D., Kruk, M., Budzyńska, A., Goldyn, R., Kozak, A., Rosińska, J., Szeląg-Wasielewska, E., Domek, P., Jakubowska-Krepska, N., Kwasizur, K., Messyasz, B., Pełechata, A., Pełechaty, M., Kokocinski, M., Madrecka, B., Kostrzewska-Szlakowska, I., Frąk, M., Bańkowska-Sobczak, A., Wasilewicz, M., Ochocka, A., Pasztalenie, A., Jasser, I., Antão-Geraldes, A. M., Leira, M., Hernández, A., Vasconcelos, V., Morais, J., Vale, M., Raposeiro, P. M., Gonçalves, V., Aleksovski, B., Krstić, S., Nemova, H., Drastichova, I., Chomova, L., Remec-Rekar, S., Elerse, T., Delgado-Martín, J., García, D., Cereijo, J. L., Gomà, J., Trapote, M. C., Vegas-Vilarrúbia, T., Obrador, B., García-Murcia, A., Real, M., Romans, E., Noguero-Ribes, J., Duque, D. P., Fernández-Morán, E., Úbeda, B., Gálvez, J. Á., Marcé, R., Catalán, N., Pérez-Martínez, C., Ramos-Rodríguez, E., Cillero-Castro, C., Moreno-Ostos, E., Blanco, J. M., Rodríguez, V., Montes-Pérez, J. J., Palomino, R. L., Rodríguez-Pérez, E., Carballeira, R., Camacho, A., Picazo, A., Rochera, C., Santamans, A. C., Ferriol, C., Romo, S., Soria, J. M., Hansson, L., Urrutia-Cordero, P., Özen, A., Bravo, A. G., Buck, M., Colom-Montero, W., Mustonen, K., Pierson, D., Yang, Y., Verspagen, J. M. H., De Senerpont Domis, L. N., Seelen, L., Teurlincx, S., Verstijnen, Y., Lürling, M., Maliaka, V., Faassen, E. J., Latour, D., Carey, C. C., Paerl, H. W., Torokne, A., Karan, T., Demir, N., Beklioğlu, M., Filiz, N., Levi, E. E., Iskin, U., Bezirci, G., Tavşanoğlu, Ü. N., Çelik, K., Özhan, K., Karakaya, N., Koçer, M. A. T., Yilmaz, M., Maraşlıoğlu, F., Fakioglu, Ö., Soylu, E. N., Yağcı, M. A., Çınar, Ş., Çapkın, K., Yağcı, A., Cesur, M., Bilgin, F., Bulut, C., Uysal, R., Köker, L., Akçaalan, R., Albay, M., Alp, M. T., Özkan, K., Sevindik, T. O., Tunca, H., Önem, B., Richardson, J., Edwards, C., Bergkemper, V., O'leary, S., Beirne, E., Cromie, H. & Ibelings, B. W., 2018, In: Scientific Data. 5, p. 1-13 180226.

      Research output: Contribution to journalJournal articleResearchpeer-review

    2. Published

      A combined microcosm and mesocosm approach to examine factors affecting survival and mortality of Pseudomonas fluorescens Ag1 in seawater

      Ahl, T., Christoffersen, Kirsten Seestern, Riemann, B. & Nybroe, O., 1995, In: FEMS Microbiology Ecology. 17, 2, p. 107-116

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. Published

      A spontaneous mutant of microcystin biosynthesis: genetic characterization and effect on Daphnia

      Kabernick, M., Rohrlack, T., Christoffersen, Kirsten Seestern & Neilan, B. A., 2001, In: Environmental Microbiology. 3, 11, p. 669-679

      Research output: Contribution to journalJournal articleResearchpeer-review

    4. Published

      Abundance and Biomass of Microbial Communities in Relation to Phyto- and Bactaerioplankton Production in Five Faroese Lakes

      Christoffersen, Kirsten Seestern, Pålsson, C., Kritzberg, E. & Granéli, W., 2002, Five Faroese Lakes: Physico-Chemical and Biological Aspects. Christoffersen, K., Jeppesen, E., Enckell, P. H. & Bloch, D. (eds.). Tórshavn: Føroya Fródskaparfelag, Vol. XXXVI. p. 59-69 (Annales Societatis Scientiarum Færoensis Supplementum).

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    5. Published

      Abundance, size, and growth of heterotrophic nanoflagellates in eutrophic lakes with contrasting Daphnia and macrophyte densities

      Christoffersen, Kirsten Seestern, 1998, The Structuring Role of Subnerged Macrophytes in Lakes. New York: Springer, p. 274-281

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    6. Published

      Accumulation of microcystin in Daphnia magna feeding on toxic Microcystis

      Thostrup, L. & Christoffersen, Kirsten Seestern, 1999, In: Archiv fur Hydrobiologie. 145, 4, p. 447-467 21 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    7. Published

      An approach to measure ciliate grazing on living heterotrophic nanoflagellates

      Christoffersen, Kirsten Seestern & González, J. M., 2003, In: Hydrobiologia. 491, 1-3, p. 159-166

      Research output: Contribution to journalJournal articleResearchpeer-review

    8. Published

      Aquatic Organisms

      Christoffersen, Kirsten Seestern, 1 Jan 2008, Encyclopedia of Ecology, Five-Volume Set. Elsevier Science Inc., p. 232-236 5 p.

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    9. Published

      Aquatic Organisms

      Christoffersen, Kirsten Seestern, 2008, Population Dynamics. Jørgensen, S. E. & Fath, B. D. (eds.). Oxford: Elsevier, Vol. 1. p. 232-236 (Encyclopedia of Ecology, Vol. 1).

      Research output: Chapter in Book/Report/Conference proceedingEncyclopedia chapterResearch

    10. Published

      Arctic Freshwater Monitoring Plan Annual Report 2014: annual report on the implementation of the Circumpolar Biodiversity Monitoring Program´ s Arctic Freshwater Biodiversity Monitoring Plan

      Lento, J., Culp, J., Goedkoop, W., Christoffersen, Kirsten Seestern, Gudbergsson, G., Liljaniemi, P., Sandøy, S., Whitman, M. & Zimmerman, C., 2014, Akureyri, Iceland: CAFF. 16 p. (CAFF Monitoring Series Report; No. 10).

      Research output: Book/ReportReportCommunication

    11. Published

      Arctic char in Zackenberg – growth and climate response

      Nielsen, A. B. & Christoffersen, Kirsten Seestern, 2011, Zackenberg Ecological Research Operations: 16th Annual Report 2010. Jensen, L. M. & Rasch, M. (eds.). Aarhus: Aarhus University, DCE – Danish Centre for Environment and Energy, p. 91-92 2 p.

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    12. Published

      Arctic freshwater biodiversity: Establishing baselines, trends, and drivers of ecological change

      Culp, J. M., Goedkoop, W., Christensen, T., Christoffersen, Kirsten Seestern, Fefilova, E., Liljaniemi, P., Novichkova, A. A., Ólafsson, J. S., Sandøy, S., Zimmerman, C. E. & Lento, J., 2022, In: Freshwater Biology. 67, 1, p. 1-13 13 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    13. Published

      Arctic freshwater biodiversity monitoring plan

      Culp, J. M., Goedkoop, W., Lento, J., Christoffersen, K. S., Frenzel, S., Guðbergsson, G., Liljaniemi, P., Sandøy, S., Svoboda, M., Brittain, J., Hammar, J., Jacobsen, D., Jones, B., Juilet, C., Kahlert, M., Kidd, K., Luiker, E., Olafsson, J., Power, M., Rautio, M. & 5 others, Ritcey, A., Striegl, R., Svenning, M., Sweetman, J. & Whitman, M., 2012, 151 p. (CAFF Monitoring Series Report; No. 7).

      Research output: Book/ReportReportResearchpeer-review

    14. Published

      Bacterioplankton and Carbon Turnover in a Dense Macrophyte Canopy

      Søndergaard, M., Theil-Nielsen, J., Christoffersen, Kirsten Seestern, Schlüter, L., Jeppesen, E. & Søndergaard, M., 1998, Ecological Studies 131: The Structuring Role of Submerged Macrophytes in Lakes. New York: Springer, p. 250-261

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    15. Published

      Benthic and pelagic primary production of microalgae in shallow lakes around Zackenberg

      Christoffersen, Kirsten Seestern & Vadeboncoeur, Y., 2000, Zackenberg Ecological Research Operations, 5th Annual Report, 1999.. Caning, K. & Rasch, M. (eds.). København: Miljø- og Energiministeriet, p. 53-54

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    16. Published

      Benthic resources are the key to Daphnia middendorffiana survival in a high arctic pond

      Cazzanelli, M., Forsström, L., Rautio, M., Michelsen, Anders & Christoffersen, Kirsten Seestern, 2012, In: Freshwater Biology. 57, 3, p. 541-551 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    17. Published

      Biodiversity patterns of Arctic diatom assemblages in lakes and streams: Current reference conditions and historical context for biomonitoring

      Kahlert, M., Rühland, K. M., Lavoie, I., Keck, F., Saulnier-Talbot, E., Bogan, D., Brua, R. B., Campeau, S., Christoffersen, Kirsten Seestern, Culp, J. M., Karjalainen, S. M., Lento, J., Schneider, S. C., Shaftel, R. & Smol, J. P., 2022, In: Freshwater Biology. 67, 1, p. 116-140 25 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    18. Published

      Break-up of lake ice in the Arctic: strong linkage to mean summer temperature

      Christoffersen, Kirsten Seestern, Raundrup, K. & Lauridsen, T. L., 2021, Greenland Ecosystem Monitoring Annual Report Cards 2020. Christensen, T. R., Arndal, M. F. & Topp-Jørgensen, E. (eds.). Aarhus University, DCE - Danish Centre for Environment and Energy, p. 14-15

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

    19. Published

      Cascading trophic interactions in the littoral zone: an enclosure experiment in shallow Lake Stigsholm, Denmark

      Jeppesen, E., Søndergaard, M., Søndergaard, M., Christoffersen, Kirsten Seestern, Theil-Nielsen, J. & Jürgens, K., 2002, In: Fundamental and Applied Limnology. 153, 4, p. 533-555

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. Published

      Changes in food web dynamics of low Arctic ponds with varying content of dissolved organic carbon

      Mariash, H. L., Cazzanelli, M., Rautio, M., Hamerlik, L., Wooller, M. J. & Christoffersen, Kirsten Seestern, 2018, In: Arctic, Antarctic, and Alpine Research. 50, 1, 14 p., e1414472.

      Research output: Contribution to journalJournal articleResearchpeer-review

    21. Published

      Changes in trophic state and aquatic communities in high Arctic ponds in response to increasing goose populations

      Jensen, T. C., Walseng, B., Hessen, D. O., Dimante-Deimantovica, I., Novichkova, A. A., Chertoprud, E. S., Chertoprud, M. V., Sakharova, E. G., Krylov, A. V., Frisch, D. & Christoffersen, Kirsten Seestern, 2019, In: Freshwater Biology. 64, 7, p. 1241-1254

      Research output: Contribution to journalJournal articleResearchpeer-review

    22. Published

      Circumpolar patterns of Arctic freshwater fish biodiversity: A baseline for monitoring

      Laske, S. M., Amundsen, P., Christoffersen, Kirsten Seestern, Erkinaro, J., Guðbergsson, G., Hayden, B., Heino, J., Holmgren, K., Kahilainen, K. K., Lento, J., Orell, P., Östergren, J., Power, M., Rafikov, R., Romakkaniemi, A., Svenning, M., Swanson, H., Whitman, M. & Zimmerman, C. E., 2022, In: Freshwater Biology. 67, 1, p. 176-193 18 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    23. Published

      Clonal variation in physiological responses of Daphnia magna to the strobilurin fungicide Azoxystrobin

      Perlt, Trine Warming, Mulderij, G. & Christoffersen, Kirsten Seestern, 2009, In: Environmental Toxicology and Chemistry. 2, p. 374-380 16 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    24. Published

      Comparing Sensitivity of Ecotoxicological Effect Endpoints between Laboratory and Field

      Selck, H., Riemann, B., Christoffersen, Kirsten Seestern, Forbes, V. E., Gustavson, K., Hansen, B. W., Jacobsen, J. A., Kusk, O. K. & Petersen, S., 2002, In: Ecotoxicology and Environmental Safety. 52, 2, p. 97-112

      Research output: Contribution to journalJournal articleResearchpeer-review

    25. Published

      Controls on stream hydrochemistry dynamics in a high Arctic snow-covered watershed

      Docherty, C. L., Riis, T., Milner, A. M., Christoffersen, Kirsten Seestern & Hannah, D. M., 2018, In: Hydrological Processes. 32, 22, p. 3327-3340

      Research output: Contribution to journalJournal articleResearchpeer-review

    26. Published

      Data Descriptor: A European Multi Lake Survey dataset of environmental variables, phytoplankton pigments and cyanotoxins

      Mantzouki, E., Campbell, J., van Loon, E., Visser, P., Konstantinou, I., Antoniou, M., Giuliani, G., Machado-Vieira, D., de Oliveira, A. G., Maronic, D. S., Stevic, F., Pfeiffer, T. Z., Vucelic, I. B., Zutinic, P., Udovic, M. G., Plenkovic-Moraj, A., Tsiarta, N., Blaha, L., Geris, R., Frankova, M. & 186 others, Christoffersen, Kirsten Seestern, Warming, T. P., Feldmann, T., Laas, A., Panksep, K., Tuvikene, L., Kangro, K., Haggqvist, K., Salmi, P., Arvola, L., Fastner, J., Straile, D., Rothhaupt, K., Fonvielle, J., Grossart, H., Avagianos, C., Kaloudis, T., Triantis, T., Zervou, S., Hiskia, A., Gkelis, S., Panou, M., McCarthy, V., Perello, V. C., Obertegger, U., Boscaini, A., Flaim, G., Salmaso, N., Cerasino, L., Koreiviene, J., Karosiene, J., Kasperoviciene, J., Savadova, K., Vitonyte, I., Haande, S., Skjelbred, B., Grabowska, M., Karpowicz, M., Chmura, D., Nawrocka, L., Kobos, J., Mazur-Marzec, H., Alcaraz-Parraga, P., Wilk-Wozniak, E., Krzton, W., Walusiak, E., Gagala, I., Mankiewicz-Boczek, J., Toporowska, M., Pawlik-Skowronska, B., Niedzwiecki, M., Peczula, W., Napiorkowska-Krzebietke, A., Dunalska, J., Sienska, J., Szymanski, D., Kruk, M., Budzynska, A., Goldyn, R., Kozak, A., Rosinska, J., Szelag-Wasielewska, E., Domek, P., Jakubowska-Krepska, N., Kwasizur, K., Messyasz, B., Pelechata, A., Pelechaty, M., Kokocinski, M., Madrecka, B., Kostrzewska-Szlakowska, I., Frak, M., Bankowska-Sobczak, A., Wasilewicz, M., Ochocka, A., Pasztaleniec, A., Jasser, I., Antao-Geraldes, A. M., Leira, M., Hernandez, A., Vasconcelos, V., Morais, J., Vale, M., Raposeiro, P. M., Goncalves, V., Aleksovski, B., Krstic, S., Nemova, H., Drastichova, I., Chomova, L., Remec-Rekar, S., Elersek, T., Delgado-Martin, J., Garcia, D., Luis Cereijo, J., Goma, J., Carmen Trapote, M., Vegas-Vilarrubia, T., Obrador, B., Garcia-Murcia, A., Real, M., Romans, E., Noguero-Ribes, J., Parreno Duque, D., Fernandez-Moran, E., Ubeda, B., Angel Galvez, J., Marce, R., Catalan, N., Perez-Martinez, C., Ramos-Rodriguez, E., Cillero-Castro, C., Moreno-Ostos, E., Maria Blanco, J., Rodriguez, V., Juan Montes-Perez, J., Palomino, R. L., Rodriguez-Perez, E., Carballeira, R., Camacho, A., Picazo, A., Rochera, C., Santamans, A. C., Ferriol, C., Romo, S., Soria, J. M., Hansson, L., Urrutia-Cordero, P., Ozen, A., Bravo, A. G., Buck, M., Colom-Montero, W., Mustonen, K., Pierson, D., Yang, Y., Verspagen, J. M. H., Domis, L. N. D. S., Seelen, L., Teurlincx, S., Verstijnen, Y., Lurling, M., Maliaka, V., Faassen, E. J., Latour, D., Carey, C. C., Paerl, H. W., Torokne, A., Karan, T., Demir, N., Beklioglu, M., Filiz, N., Levi, E. E., Iskin, U., Bezirci, G., Tavsanoglu, U. N., Celik, K., Ozhan, K., Karakaya, N., Kocer, M. A. T., Yilmaz, M., Maraslioglu, F., Fakioglu, O., Soylu, E. N., Yagci, M. A., Cinar, S., Capkin, K., Yagci, A., Cesur, M., Bilgin, F., Bulut, C., Uysal, R., Koker, L., Akcaalan, R., Albay, M., Alp, M. T., Ozkan, K., Sevindik, T. O., Tunca, H., Onem, B., Richardson, J., Edwards, C., Bergkemper, V., O'Leary, S., Beirne, E., Cromie, H. & Ibelings, B. W., 2018, In: Scientific Data. 5, 13 p., 180226.

      Research output: Contribution to journalJournal articleResearchpeer-review

    27. Published

      De ferske vandes økologi

      Christoffersen, Kirsten Seestern, 2006, Arktisk Station 1906 - 2006. København: Projekt EDB I Undervisningen, p. 298-304

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

    28. Published

      Denmark: Occurence, Monitoring, and Management of Cyanobacteria and their Toxins in Danish Water Bodies

      Christoffersen, Kirsten Seestern & Perlt, Trine Warming, 2012, Current approaches to Cyanotoxin risk assessment, risk management and regulations in different countries. Chorus, I. (ed.). Federal Environment Agency (Umweltbundesamt), p. 49-53 5 p. (Texte; No. 63/2012).

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    29. Published

      Denmark: Occurrence, monitoring and management of toxic cyanobacteria

      Christoffersen, Kirsten Seestern, 2005, Current approaches to cyanotoxin risk assessment, risk management etc.. Chorus, I. (ed.). Berlin: Federal Environmental Agency, p. 41-46

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    30. Published

      Destructive impact of microcystin in aquatic ecosystems

      Christoffersen, Kirsten Seestern, 2005, In: Gekkan Kaiyo. 5, p. 335-343

      Research output: Contribution to journalJournal articleResearchpeer-review

    31. Published

      Developing a circumpolar monitoring framework for Arctic freshwater biodiversity

      Culp, J. M., Lento, J., Goedkoop, W., Power, M., Rautio, M., Christoffersen, Kirsten Seestern, Guðbergsson, G., Lau, D., Liljaniemi, P., Sandøy, S. & Svoboda, M., 2012, In: Biodiversity. 13, 3-4, p. 215-227 13 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    32. Published

      Diet and food selection by fish larvae in turbid and clear water shallow temperate lakes

      Trochine, C., Risholt, C., Schou, M. O., Lauridsen, T. L., Jacobsen, L., Skov, C., Søndergaard, M., Berg, S., Christoffersen, Kirsten Seestern & Jeppesen, E., 2022, In: Science of the Total Environment. 804, 12 p., 150050.

      Research output: Contribution to journalJournal articleResearchpeer-review

    33. Published

      Direct toxic effects of microcystion on survival, growth and fecundicity of Daphnia magna

      Thostrup, L. & Christoffersen, Kirsten Seestern, 1999, In: Fundamental and Applied Limnology. 145, p. 447-467 20 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    34. Published

      DiskoBasis Monitoring

      Sigsgaard, Charlotte, Jørgensen, C. J., Lund, M., Christoffersen, Kirsten Seestern, Stecher, O., Mølgaard, K. A., Hansen, Birger, Madsen, M. & Elberling, Bo, 2014, Arctic Station / Annual Report 2014. Faculty of Science, University of Copenhagen, p. 7-12 6 p.

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    35. Published

      DiskoBasis monitering

      Sigsgaard, Charlotte, Jørgensen, C. J., Christiansen, C. T., Hansen, Per Juel, Christoffersen, Kirsten Seestern, McConnell, A., Mølgaard, K. A., Kroon, Aart, Friborg, Thomas, Hansen, Birger & Elberling, Bo, 2017, Arctic Station Annual Report 2015. Kroon, A. & Sigsgaard, C. (eds.). København: Københavns Universitet, p. 7-13 7 p. (Annual Report).

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearchpeer-review

    36. Published

      Dispersal of invertebrates and plants by vertebrates in Zackenbergdalen

      Christoffersen, Kirsten Seestern, Philipp, M., Bruun, H. H. & Lundgreen, R., 2004, København: Danish Polar Center.

      Research output: Book/ReportReportResearch

    37. Published

      Distribution and density of Lepidurus arcticus in ponds and shallow lakes around Zackenberg

      Christoffersen, Kirsten Seestern, 2000, Zackenberg Ecological Research Operations, 5th Annual Report, 1999.. København: Danish Polar Center, p. 55 1 p.

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    38. Published

      Diversity and composition of macroinvertebrate assemblages in high-altitude Tibetan streams

      Laursen, S. K., Hamerlik, L., Moltesen, K., Christoffersen, Kirsten Seestern & Jacobsen, Dean, 2015, In: Inland Waters. 5, 3, p. 263-274 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    39. Published

      Early signs of lethal effects in Daphnia magna (Branchiopoda, Cladocera) exposed to the insecticide cypermethrin and the fungicide azoxystrobin

      Friberg-Jensen, U., Nachman, Gøsta Støger & Christoffersen, Kirsten Seestern, 2010, In: Environmental Toxicology and Chemistry. 29, 10, p. 2371-2378 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    40. Published

      Ecological consequences of a manual reduction of roach and bream in a eutrophic, temperate lake

      Riemann, B., Christoffersen, Kirsten Seestern, Jensen, H. J., Müller, J. P., Lindegaard, C. & Bosselmann, S., Aug 1990, In: Hydrobiologia. 200-201, 1, p. 241-250 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    41. Published

      Ecological consequences of food partitioning for the fish population structure in a eutrophic lake

      Michelsen, K., Pedersen, J., Christoffersen, Kirsten Seestern & Jensen, F., 1994, In: Hydrobiologia. 291, p. 35-45

      Research output: Contribution to journalJournal articleResearchpeer-review

    42. Published

      Ecological effects of introduced rainbow trout (Oncorhynchus mykiss) in pristine Ecuadorian high Andean lakes

      Mouillet, C., Barta, B., Espinosa, R., Andino, P., Christoffersen, Kirsten Seestern & Jacobsen, Dean, 2018, In: Fundamental and Applied Limnology. 191, 4, p. 323-337 15 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    43. Published

      Ecological function of aquatic mosses in Arctic lakes

      Riis, T., Tagesen, B. K. & Christoffersen, Kirsten Seestern, 2012, Zackenberg Ecological Research Operations: 17th Annual Report 2011. Jensen, L. M. (ed.). Aarhus: Aarhus University, DCE – Danish Centre for Environment and Energy, p. 89-90 2 p.

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    44. Published

      Ecological function of aquatic mosses in Arctic lakes

      Riis, T., Tagesen, B. K. & Christoffersen, Kirsten Seestern, 2013, Zackenberg Ecological Research Operations: 18th Annual Report 2012. Jensen, L. M., Rasch, M. & Schmidt, N. M. (eds.). Aarhus University, DCE – Danish Centre for Environment and Energy, p. 98-99 2 p.

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    45. Published

      Ecological implications of cyanobacterial toxins in aquatic food webs

      Christoffersen, Kirsten Seestern, Nov 1996, In: Phycologia. 35, SUPPL., p. 42-50 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    46. Published

      Ecology of Arctic Lakes and Ponds

      Jeppesen, E., Christoffersen, Kirsten Seestern, Rautio, M. & Lauridsen, T. L., 2021, Arctic Ecology. Thomas, D. N. (ed.). Wiley-Blackwell, p. 159-180 22 p.

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    47. Published

      Ecology of Arctic lakes

      Christoffersen, Kirsten Seestern, 2014, Zackenberg Ecological Research Operations: 19th Annual Report 2013. Jensen, L. M., Christensen, T. R. & Schmidt, N. M. (eds.). Aarhus University, DCE – Danish Centre for Environment and Energy, p. 102-104 3 p.

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    48. Published

      Ecology of Five Faroese Lakes: Summary and Synthesis

      Jeppesen, E., Christoffersen, Kirsten Seestern, Malmquist, H., Faafeng, B. & Hansson, L., 2002, Five Faroese Lakes: Physico-Chemical and Biological Aspects. Christoffersen, K., Jeppesen, E., Enckell, P. H. & Bloch, D. (eds.). Tórshavn: Føroya Fródskaparfelag, Vol. XXXVI. p. 126-139 (Annales Societatis Scientiarum Færoensis Supplmentum).

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    49. Published

      Effect of microcystin on growth of single species and on mixed natural populations of heterotrophic nanoflagellates

      Christoffersen, Kirsten Seestern, 1996, In: Natural Toxins. 4, 5, p. 215-220 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    50. Published

      Effects of cell-bound microcystins on survival and feeding of Daphnia spp

      Rohrlack, T., Dittmann, E., Börner, T. & Christoffersen, Kirsten Seestern, 1 Aug 2001, In: Applied and Environmental Microbiology. 67, 8, p. 3523-9 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    51. Published

      Effects of the pyrethroid insecticide cypermethrin on a freshwater community studied under field conditions. II. Direct and indirect effects on the species composition

      Wendt-Rasch, L., Friberg-Jensen, U., Woin, P. & Christoffersen, Kirsten Seestern, 29 May 2003, In: Aquatic Toxicology. 63, 4, p. 373-89 17 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    52. Published

      Effects of warming on annual production and nutrient-use efficiency of aquatic mosses in a high Arctic lake

      Riis, T., Christoffersen, Kirsten Seestern & Baattrup-Pedersen, A., 2014, In: Freshwater Biology. 59, 8, p. 1622-1632 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    53. Published

      Effekter af cypermethrin, azoxystrobin og bentazon på limniske invertebrater

      Lauridsen, T. L., Friberg-Jensen, U. & Christoffersen, Kirsten Seestern, 2003, In: Bekaempelsesmiddelforskning fra Miljoestyrelsen. 76, p. 96

      Research output: Contribution to journalJournal articleResearchpeer-review

    54. Published

      Emergent and floating-leaved macrophytes as refuge for zooplankton in a eutrophic temperate lake without submerged vegetation

      Cazzanelli, M., Perlt, Trine Warming & Christoffersen, Kirsten Seestern, 2008, In: Hydrobiologia. 605, 1, p. 113-122

      Research output: Contribution to journalJournal articleResearchpeer-review

    55. Published

      Er blågrønalger et problem i danske søer?

      Christoffersen, Kirsten Seestern, 2000, In: Vand og Jord. 3, p. 104-109 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    56. Published

      Evaluation of Chaoborus predation on natural populations of herbivorous zooplankton in a eutrophic lake

      Christoffersen, Kirsten Seestern, Aug 1990, In: Hydrobiologia. 200-201, 1, p. 459-466 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    57. Published

      FREMONEC: Effect of climate change and related stressors on fresh and brackish water ecosystems in Svalbard. A Norwegian and Russian joint scientific project

      Dimante-Deimantovica, I., Chertoprud, M., Chertoprud, E., Christoffersen, Kirsten Seestern, Novichkova, A. & Walseng, B., 2016, Oslo: Norwegian Institute for Nature Research. 44 p. ( NINA Report; No. 1218).

      Research output: Book/ReportReportResearch

    58. Published

      Fate and effects of esfenvalerate in agricultural ponds

      Samsøe-Petersen, L., Gutavson, K., Madsen, T., Mogensen, B. B., Lassen, P., Skjernov, K., Christoffersen, Kirsten Seestern & Jørgensen, E., 2001, In: Environmental Toxicology and Chemistry. 20, 7, p. 1570-1578

      Research output: Contribution to journalJournal articleResearchpeer-review

    59. Published

      Feeding characteristics of a golden alga (Poterioochromonas sp.) grazing on toxic cyanobacterium Microcystis aeruginosa

      Zhang, X., Hu, H., Men, Y., Yang, J. & Christoffersen, Kirsten Seestern, 2009, In: Water Research. 43, 12, p. 2953-60 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    60. Published

      Ferskvandsbiologisk Laboratorium

      Christoffersen, Kirsten Seestern, 2006, Hillerød Kommune 1945-2006. p. 238-242

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    61. Published

      Filtration rates of Daphnia cucullata on Alcaligenes eutrophus JMP 134 estimated by a fluorescent antibody method

      Kandel, A., Christoffersen, Kirsten Seestern & Nybroe, O., 1993, In: FEMS Microbiology Ecology. 12, p. 1-8

      Research output: Contribution to journalJournal articleResearchpeer-review

    62. Published

      Filtration rates of Daphnia cucullata on Alcaligenes eutrophus JMP134 estimated by a fluorescent antibody method

      Kandel, A., Christoffersen, Kirsten Seestern & Nybroe, O., May 1993, In: FEMS Microbiology Ecology. 12, 1, p. 1-8 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    63. Published

      First circumpolar assessment of Arctic freshwater phytoplankton and zooplankton diversity: Spatial patterns and environmental factors

      Schartau, A. K., Mariash, H. L., Christoffersen, Kirsten Seestern, Bogan, D., Dubovskaya, O. P., Fefilova, E. B., Hayden, B., Ingvason, H. R., Ivanova, E. A., Kononova, O. N., Kravchuk, E. S., Lento, J., Majaneva, M., Novichkova, A. A., Rautio, M., Rühland, K. M., Shaftel, R., Smol, J. P., Vrede, T. & Kahilainen, K. K., 2022, In: Freshwater Biology. 67, 1, p. 141-158 18 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    64. Published

      Fish and crustaceans in northeast Greenland lakes with special emphasis on interactions between Arctic charr (Salvelinus alpinus), Lepidurus arcticus and benthic chydorids

      Jeppesen, E., Christoffersen, Kirsten Seestern, Landkildehus, F., Lauridsen, T., Amsinck, S. L., Riget, F. & Søndergaard, M., 2001, In: Hydrobiologia. 442, p. 329-337

      Research output: Contribution to journalJournal articleResearchpeer-review

    65. Published

      Fish manipulation as a lake restoration tool in shallow, eutrophic temperate lakes 1: cross-analysis of three Danish case-studies

      Jeppesen, E., Søndergaard, M., Mortensen, E., Kristensen, P., Riemann, B., Jensen, H. J., Müller, J. P., Sortkjær, O., Jensen, J. P., Christoffersen, Kirsten Seestern, Bosselmann, S. & Dall, E., Aug 1990, In: Hydrobiologia. 200-201, 1, p. 205-218 14 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    66. Published

      Fish on the roof of the world: densities, habitats and trophic position of stone loaches (Triplophysa) in Tibetan streams

      Jacobsen, Dean, Laursen, S. K., Hamerlik, L., Moltesen, K., Michelsen, Anders & Christoffersen, Kirsten Seestern, 2017, In: Marine and Freshwater Research. 68, 1, p. 53-64 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    67. Published

      Food Webs and Fish Size Patterns in Insular Lakes Partially Support Climate-Related Features in Continental Lakes

      Vidal, N., Amsinck, S. L., Gonçalves, V., Neto Azevedo, J. M., Johansson, L. S., Christoffersen, Kirsten Seestern, Lauridsen, T. L., Søndergaard, M., Bjerring, R., Landkildehus, F., Brodersen, K. P., Meerhoff, M. & Jeppesen, E., 2021, In: Water (Switzerland). 13, 10, 20 p., 1380.

      Research output: Contribution to journalJournal articleResearchpeer-review

    68. Published

      Food-web relationships and community structures in high-latitude lakes

      Christoffersen, Kirsten Seestern, Jeppesen, E., Moorhead, D. L. & Tranvik, L. J., 2008, Polar Lakes and Rivers: Limnology of Arctic and Antarctic Aquatic Ecosystems. Vincent, W. F. & Laybourn-Parry, J. (eds.). New York: Oxford University Press, p. 269-290

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    69. Published

      Food-web relationships and community structures in high-latitude lakes

      Christoffersen, Kirsten Seestern, Jeppesen, E., Moorhead, D. L. & Tranvik, L. J., 1 Jan 2009, Polar Lakes and Rivers: Limnology of Arctic and Antarctic Aquatic Ecosystems. Oxford University Press Australia

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    70. Published

      Frederiksborg Slotssø

      Christoffersen, Kirsten Seestern, Riemann, B., Jensen, H. J. & Bosselmann, S., 1998, Sørestaurering i Danmark, Miljønyt nr. 28. København: Miljøstyrelsen, p. 159-173

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

    71. Published

      Frederiksborg Slotssø - en søsyg sø

      Christoffersen, Kirsten Seestern, 2006, Hillerød 1945-2006. Hillerød Kommune, p. 16-20

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

    72. Published

      Frequency of inhibitors of daphnid trypsin in the widely distributed cyanobacterial genus Planktothrix

      Rohrlack, T., Christoffersen, Kirsten Seestern & Friberg-Jensen, U., 2005, In: Environmental Microbiology. 7, 10, p. 1667-1669

      Research output: Contribution to journalJournal articleResearchpeer-review

    73. Published

      Freshwater Ecosystems

      Wrona, F. J., Reist, J. D., Amundsen, P-A., Chambers, P. A., Christoffersen, K. S., Culp, J. M., Cenzo, P. D. D., Forsström, L., Hammar, J., Heino, J., Heikkinen, R. K., Kahilainen, K. K., Lesack, L., Lehtonen, H., Lento, J., Luoto, M., Marsh, P., Marcogliese, D. J., Moquin, P. A., Mustonen, T. & 9 others, Prowse, T. D., Power, M., Rautio, M., Swanson, H., Thompson, M., Toivonen, H., Vasiliev, V., Virkkala, R. & Zavalko, S., 2013, Arctic Biodiversity Assessment: status and trends in Arctic biodiversity. Meltofte, H. (ed.). Conservation of Arctic Flora and Fauna (CAFF), p. 335-377 43 p.

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearchpeer-review

    74. Published

      Freshwater diversity in Svalbard: providing baseline data for ecosystems in change

      Walseng, B., Jensen, T., Dimante-Deimantovica, I., Christoffersen, Kirsten Seestern, Chertoprud, M., Chertoprud, E., Novichkova, A. & Hessen, D. O., 2018, In: Polar Biology. 41, 10, p. 1995-2005

      Research output: Contribution to journalJournal articleResearchpeer-review

    75. Published

      From Greenland to green lakes: Cultural eutrophication and the loss of benthic pathways in lakes

      Vadeboncoeur, Y., Jeppesen, E., Zanden, M. J. V., Schierup, H., Christoffersen, Kirsten Seestern & Lodge, D. M., 2003, In: Limnology and Oceanography. 48(4), p. 1408-1418

      Research output: Contribution to journalJournal articleResearchpeer-review

    76. Published

      Galathea-3: "Søers Biologi" - status og tilbageblik

      Amsinck, S. L., Jeppesen, E., Landkildehus, F., Christoffersen, Kirsten Seestern, Brodersen, K. P., Johansson, L. S., Estany, T. B., Ventura, M. & Skov, T., 2007, In: Vand og Jord. 14, 3, p. 95-98 4 p.

      Research output: Contribution to journalJournal articleResearch

    77. Published

      Geomorphology and vegetation drive hydrochemistry changes in two Northeast Greenland streams

      Pastor, A., Skovsholt, L. J., Christoffersen, Kirsten Seestern, Wu, N. & Riis, T., 2021, In: Hydrological Processes. 35, 10, 14 p., e14369.

      Research output: Contribution to journalJournal articleResearchpeer-review

    78. Published

      Glacial-fed and páramo lake ecosystems in the tropical high Andes

      Barta, B., Mouillet, C., Espinosa, R., Andino, P., Jacobsen, Dean & Christoffersen, Kirsten Seestern, 1 May 2018, In: Hydrobiologia. 813, 1, p. 19-32 14 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    79. Published

      Global warming: Design of a flow-through shallow lake mesocosm climate experiment

      Liboriussen, L., Landkildehus, F., Meerhoff, M., Bramm, M. E., Søndergaard, M., Christoffersen, Kirsten Seestern, Richardson, Katherine, Søndergaard, M., Lauridsen, T. L. & Jeppesen, E., 2005, In: Limnology and Oceanography: Methods. 3, p. 1-9

      Research output: Contribution to journalJournal articleResearchpeer-review

    80. Published

      Grazing of non-indigenous bacteria by nano-sized protozoa in a natural coastal system

      Christoffersen, Kirsten Seestern, Ahl, T. & Nybroe, O., 1995, In: Microbial Ecology. 30, p. 67-78

      Research output: Contribution to journalJournal articleResearchpeer-review

    81. Published

      Growth of an aquatic bryophyte (Warnstorfia fluitans (Hedw.) Loeske) from a High Arctic lake: effect of nutrient concentration

      Riis, T., Olesen, B., Katborg, C. K. & Christoffersen, Kirsten Seestern, 2010, In: Arctic. 63, 1, p. 100-106 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    82. Published

      Gut evacuation rates and ingestion rates of Eudiaptomus graciloides measured by means of the gut fluorescence method

      Christoffersen, Kirsten Seestern & Jespersen, A. M., 1987, In: Journal of Plankton Research. 9, 2, p. 395 1 p.

      Research output: Contribution to journalComment/debateResearchpeer-review

    83. Published

      Gut evacuation rates and ingestion rates of Eudiaptomus graciloides measured by means of the gut fluorescence method

      Christoffersen, Kirsten Seestern & Jespersen, Anne, 1986, In: Journal of Plankton Research. 8, 5, p. 973-983 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    84. Published

      I den store (h)vide verden

      Christoffersen, Kirsten Seestern, 2008, In: Frederiksborg Amts Avis. p. 8 1 p.

      Research output: Contribution to journalContribution to newspaper - Newspaper articleCommunication

    85. Published

      Implications of Climate-enforced Temperature Increases on Freshwater Pico- and Nanoplankton Populations Studied in Artificial Ponds During 16 Months

      Christoffersen, Kirsten Seestern, Andersen, N., Søndergaard, M., Liboriussen, L. & Jeppesen, E., 2006, In: Hydrobiologia. 569, 1, p. 259-266

      Research output: Contribution to journalJournal articleResearchpeer-review

    86. Published

      Improving the framework for assessment of ecological change in the Arctic: A circumpolar synthesis of freshwater biodiversity

      Goedkoop, W., Culp, J. M., Christensen, T., Christoffersen, Kirsten Seestern, Fefilova, E., Guðbergsson, G., Lárusson, K. F., Liljaniemi, P., Novichkova, A. A., Ólafsson, J. S., Sandøy, S. & Lento, J., 2022, In: Freshwater Biology. 67, 1, p. 210-223 14 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    87. Published

      Increasing dominance of terrigenous organic matter in circumpolar freshwaters due to permafrost thaw

      Wauthy, M., Rautio, M., Christoffersen, Kirsten Seestern, Forsström, L., Laurion, I., Mariash, H. L., Peura, S. & Vincent, W. F., 2018, In: Limnology and Oceanography Letters. 3, 3, p. 186-198

      Research output: Contribution to journalJournal articleResearchpeer-review

    88. Published
    89. Published
    90. Published

      Inferring a single variable from an assemblage with multiple controls: getting into deep water with cladoceran lake-depth transfer functions

      Davidson, T. A., Amsinck, S. L., Bennike, O., Christoffersen, Kirsten Seestern, Landkildehus, F., Lauridsen, T. L. & Jeppesen, E., 2011, In: Hydrobiologia. 676, 1, p. 129-142 14 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    91. Published

      Influence of LAS on marine calanoid copepod population dynamics and potential reproduction

      Christoffersen, Kirsten Seestern, Hansen, B. W., Johansson, L. S. & Krog, E., 29 May 2003, In: Aquatic Toxicology. 63, 4, p. 405-16 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    92. Published

      Influence of filtration and glucose amendment on bacterial growth rate at different tidal conditions in the Minho Estuary River (NW Portugal)

      Anne, I., Fidalgo, M. L., Thosthrup, L. & Christoffersen, Kirsten Seestern, 2006, In: Limnetica. 25, 3, p. 637-646

      Research output: Contribution to journalJournal articleResearchpeer-review

    93. Published

      Ingestion of microcystins by Daphnia: Intestinal uptake and toxic effects

      Rohrlack, T., Christoffersen, Kirsten Seestern, Dittmann, E., Nogueira, I., Vasconcelos, V. & Börner, T., 2005, In: Limnology and Oceanography. 50, 2, p. 440-448

      Research output: Contribution to journalJournal articleResearchpeer-review

    94. Published

      Insekticid påvirkning af planktonsamfund

      Friberg-Jensen, U. R. & Christoffersen, Kirsten Seestern, 2002, In: Vand og Jord. 9, 2, p. 51-55 ill.

      Research output: Contribution to journalJournal articleResearchpeer-review

    95. Published

      Interaction between non-native predatory fishes and native galaxiids (Pisces: Galaxiidae) shapes food web structure in Tasmanian lakes

      Vidal, N., Trochine, C., Amsinck, S. L., Barmuta, L. A., Christoffersen, Kirsten Seestern, Ventura, M., Buchaca, T., Landkildehus, F., Hardie, S. A., Meerhoff, M. & Jeppesen, E., 2020, In: Inland Waters. 10, 2, p. 212-226

      Research output: Contribution to journalJournal articleResearchpeer-review

    96. Published

      Isdækkets varighed har stor indflydelse på livet i søerne

      Christoffersen, Kirsten Seestern & Jeppesen, E., 2002, Sne, is og 35 graders kulde. Hvad er effekterne af klimaændringer i Nordøstgrønland?. København: National Environmental Research Institute, p. 79-85

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

    97. Published

      Klimaforandringers betydning for søer

      Jeppesen, E., Boll, T., Christoffersen, Kirsten Seestern, Nielsen, Lars Kamp, Landkildehus, F., Liberiussen, L., Meerhoff, M., Pedersen, A. R. & Søndergaard, M., 2006, Vand og Vejr om 100 år. Søndergaard, M., Kronvang, B., Pejrup, M. & Sand-Jensen, K. (eds.). 1. ed. Hovedland, p. 74-89

      Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

    98. Published

      Laboratorie- og Feltprocedurer Limnisk semesterkursus (biologi 1)

      Borum, Jens, Bosselmann, S., Christoffersen, Kirsten Seestern, Lindegård, P. C., Pedersen, Ole & Sand-Jensen, Kaj, 1997, 3 ed. København: Museum Tusculanum. 32 p.

      Research output: Book/ReportCompendium/lecture notesEducation

    99. Published

      Laboratory studies of dissolved radiolabelled microcystin-LR in lake water

      Hyenstrand, P., Rohrlack, T., Beattie, K. A., Metcalf, J. S., Codd, G. A. & Christoffersen, Kirsten Seestern, 1 Aug 2003, In: Water Research. 37, 14, p. 3299-306 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    100. Published

      Lake Ecology and Monitoring at the Very North: Year-Round Measurements of Life Conditions in Lakes

      Christoffersen, Kirsten Seestern, 2018, In: Annual Report. 2017, p. 12-13

      Research output: Contribution to journalJournal articleResearch

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