Kirsten Seestern Christoffersen

Kirsten Seestern Christoffersen

Professor

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    ORCID: 0000-0002-3324-1017

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    1. Published

      The BioBasis programme

      Hansen, J., Hansen, L. H., Boesgaard, K., Albert, K. R., Svendsen, S. H., Hansen, S. H., Michelsen, Anders, Kyhn, L. A., Christoffersen, Kirsten Seestern & Schmidt, N. M., 2010, Zackenberg Ecological Research Operations, 15th Annual Report, 2009. Jensen, L. M. & Rasch, M. (eds.). Aarhus : Aarhus Universitetsforlag, p. 46-81

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication

    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 journal › Journal article › Research › peer-review

    3. Published

      Lake depth rather than fish planktivory determines cladoceran community structure in Faroese lakes - evidence from contemporary data and sediments

      Amsinck, S. L., Strzelczak, A., Bjerring, R., Landkildehus, F., Lauridsen, T. L., Christoffersen, Kirsten Seestern & Jeppesen, E., 2006, In: Freshwater Biology. 51, 11, p. 2124-2142

      Research output: Contribution to journal › Journal article › Research › peer-review

    4. 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 journal › Journal article › Research

    5. Published

      Limnological and palaeolimnological studies of lakes in south-western Greenland

      Anderson, N. J., Bennike, O., Christoffersen, Kirsten Seestern, Jeppesen, E., Markager, S., Miller, G. & Renberg, I., 1999, In: Geology of Greenland, Survey Bulletin. 183, p. 68-74

      Research output: Contribution to journal › Journal article › Research

    6. 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 journal › Journal article › Research › peer-review

    7. 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 journal › Journal article › Research › peer-review

    8. Published

      MANA project

      Bonnet, Philippe, Christoffersen, Kirsten Seestern & Chang, M., 2011, Zackenberg Ecological Research Operations: 16th Annual Report 2010. Jensen, L. M. & Rasch, M. (eds.). Aarhus University, DCE – Danish Centre for Environment and Energy, p. 93 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    9. 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/Report › Compendium/lecture notes › Education

    10. Published

      Short-and long term niche segregation and individual specialization of brown trout (Salmo trutta) in species poor Faroese lakes

      Brodersen, J., Malmquist, H. J., Landkildehus, F., Lauridsen, T. L., Amsinck, S. L., Hansen, R. B., Søndergaard, M., Johansson, L. S., Christoffersen, Kirsten Seestern & Jeppesen, E., 2012, In: Environmental Biology of Fishes. 93, 3, p. 305-318 14 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    11. 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 journal › Journal article › Research › peer-review

    12. 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 journal › Journal article › Research › peer-review

    13. 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 journal › Journal article › Research › peer-review

    14. Published

      Picoplankton: biomasse, produktion og græsning af heterotrofe nanoflagellater

      Christoffersen, Kirsten Seestern, 1994, Struktur og funktion af kystnære marine økosystemer. p. 63-73

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    15. 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 journal › Journal article › Research › peer-review

    16. Published

      Toxic cyanobacteria in New Zealand lakes and toxicity to indigenous zooplankton

      Christoffersen, Kirsten Seestern & Burns, C. W., 2000, In: Verhandlungen / Internationale Vereinigung für Theoretische und Angewandte Limnologie. 27, 5, p. 3222-3225

      Research output: Contribution to journal › Journal article › Research › peer-review

    17. Published

      Qualitative importance of the microbial loop and plankton community structure in a eutropic lake during a bloom of Cyanobacteria

      Christoffersen, Kirsten Seestern, 1990, In: Microbial Ecology. 20, p. 253-272

      Research output: Contribution to journal › Journal article › Research › peer-review

    18. 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 proceeding › Report chapter › Research

    19. Published

      Previous Studies of Freshwater Biota in Faroese Lakes

      Christoffersen, Kirsten Seestern, 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. 7-13 (Annales Societatis Scientiarum Færoensis Supplementum).

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    20. 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 proceeding › Book chapter › Research

    21. 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 proceeding › Book chapter › Research › peer-review

    22. Published

      Lakes

      Christoffersen, Kirsten Seestern & Jeppesen, E., 2005, Zackenberg Ecological Research Operations 10th Annual Report, 2004. 2005 ed. Danish Polar Center: Danish Polar Center, p. 56

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication

    23. Published

      Destructive impact of microcystin in aquatic ecosystems

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

      Research output: Contribution to journal › Journal article › Research › peer-review

    24. 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 journal › Comment/debate › Research › peer-review

    25. Published

      Lake monitoring

      Christoffersen, Kirsten Seestern & Jeppesen, E., 2001, Zackenberg Ecological Research Operations, 6th Annual Report, 2000. København: Miljø- og Energiministeriet, p. 45-47

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    26. Published

      Microbial activity and bacterial community structure during degradation of microcystins

      Christoffersen, Kirsten Seestern, Lyck, S. & Winding, A., 2002, In: Aquatic Microbial Ecology. 27, 2, p. 125-136

      Research output: Contribution to journal › Journal article › Research › peer-review

    27. Published

      Potential role of fish predation and natural populations of zooplankton in structuring a plankton community in eutrophic lake water

      Christoffersen, Kirsten Seestern, Riemann, B., Klysner, A. & Søndergaard, M., 1993, In: Limnology and Oceanography. 38, p. 561-573

      Research output: Contribution to journal › Journal article › Research › peer-review

    28. 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 journal › Journal article › Research › peer-review

    29. 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 journal › Journal article › Research › peer-review

    30. 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/Report › Report › Research

    31. Published

      Lakes

      Christoffersen, Kirsten Seestern & Jeppesen, E., 2006, Zackenberg Ecological Research Operations,11th Annual Report, 2006: Copenhagen, Danish Polar Center, Ministry of Science, Technology andInnovation, 2006.. Klitgaard, A. B., Rasch, M. & Caning, K. (eds.). Copenhagen: Danish Polar Center, p. 74-77

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    32. Published

      Variations of feeding activities of heterotrophic nanoflagellates on picoplankton

      Christoffersen, Kirsten Seestern, 1994, In: Mar Microb Food Web. 8, p. 11-123

      Research output: Contribution to journal › Journal article › Research › peer-review

    33. 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 proceeding › Book chapter › Research › peer-review

    34. Published

      Ferskvandsbiologisk Laboratorium

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

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    35. 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 proceeding › Report chapter › Research

    36. Published

      Measurement of bacterivory by heterotrophic nanoflagellates using immunofluorenscence labelling of ingested cells

      Christoffersen, Kirsten Seestern, Nybroe, O., Jürgens, K. & Hansen, M., 1997, In: Aquatic Microbial Ecology. vol. 13, p. 127-134 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    37. 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 journal › Journal article › Research › peer-review

    38. 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 proceeding › Book chapter › Research

    39. 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 proceeding › Book chapter › Research › peer-review

    40. 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 journal › Journal article › Research › peer-review

    41. 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 journal › Journal article › Research › peer-review

    42. Published

      Mikrobielle samfund og biologisk kaskade

      Christoffersen, Kirsten Seestern & Søndergaard, M., 1998, In: Vand og Jord. 6, p. 258-261

      Research output: Contribution to journal › Journal article › Research

    43. Published

      Lake monitoring

      Christoffersen, Kirsten Seestern & Jeppesen, E., 2000, Zackenberg Ecological Research Operations, 5th Annual Report, 1999.. København: Nyt Nordisk Forlag Arnold Busck, p. 44-46

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    44. Published

      Plankton investigations in lakes at southern Disko

      Christoffersen, Kirsten Seestern, Hansen, R. B. & Thomar, J., 2005, Arctic Biology Field Course, Qeqertarsuaq 2004. København, p. 124-129

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    45. Published

      Zooplankton: growth, grazing and interactions with fish

      Christoffersen, Kirsten Seestern & Bosselmann, S., 1997, Freshwater biology - Priorities and Development in Danish Research. København: Gad, p. 162-182

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    46. 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 journal › Journal article › Research › peer-review

    47. 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 proceeding › Report chapter › Research

    48. 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 journal › Journal article › Research › peer-review

    49. 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 proceeding › Book chapter › Research

    50. 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 proceeding › Report chapter › Research

    51. 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 proceeding › Book chapter › Research › peer-review

    52. Published

      Lakes

      Christoffersen, Kirsten Seestern & Jeppesen, E., 2007, Zackenberg Ecological Research Operations 12th Annual Report, 2006: Copenhagen, Danish Polar Center, Danish Agency for Science, Technology and Innovation,Ministry of Science, Technology and Innovation, 2007.. Klitgaard, A. B., Rasch, M. & Canning, K. (eds.). Copenhagen: Danish Polar Center, p. 62-65

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    53. Published

      Vandremusling - en "ny" spiller i danske søer!

      Christoffersen, Kirsten Seestern, 2016, In: Vand & Jord. 23, 2, p. 55-58 4 p.

      Research output: Contribution to journal › Journal article › Communication

    54. Published

      Søernes plankton

      Christoffersen, Kirsten Seestern & Sand-Jensen, Kaj, 2013, Naturen i Danmark: De ferske vande. Sand-Jensen, K. (ed.). København: Gyldendal, Vol. 5. p. 273-299 27 p.

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication

    55. Published

      Lake Flora and Fauna in Relation to Ice-Melt, Water Temperature and Chemistry at Zackenberg

      Christoffersen, Kirsten Seestern, Amsinck, S. L., Landkildehus, F., Lauridsen, T. L. & Jeppesen, E., 2008, High-Arctic Ecosystem Dyunamics in a Changing Climate: Ten years of monitoring and research at Zackenberg Research Station, Northeast Greenland. Meltofte, H., Christensen, T. R., Elberling, B., Forchhammer, M. C. & Rasch, M. (eds.). Amsterdam: Elsevier, Vol. 40. p. 371-388 (Advances in Ecological Research, Vol. 40).

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    56. Published

      Winter ecology of lakes

      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. 90-92 3 p.

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    57. Published

      I den store (h)vide verden

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

      Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication

    58. Published

      Søerne

      Christoffersen, Kirsten Seestern, Lauridsen, T. L. & Jeppesen, E., 2009, Naturen og klimaændringerne i Nordøstgrønland. Forchhammer, M. C., Meltofte, H. & Rasch, M. (eds.). Aarhus Universitetsforlag, p. 69-80

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

    59. 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 journal › Journal article › Research

    60. Published

      Pesticider sætter dafnier i slowmotion

      Christoffersen, Kirsten Seestern, 2008, Bæredygtighed for fremtiden. Thostrup, L., Aabo, C., Bakke, M., Bjerno, G. L. & Lund, S. (eds.). Københavns Universitet: Museum Tusculanum, p. 10-12

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

    61. 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 proceeding › Report chapter › Research

    62. 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 proceeding › Book chapter › Research

    63. Published

      Predation on Daphnia pulex by Lepidurus arcticus

      Christoffersen, Kirsten Seestern, 2001, In: Hydrobiologia. 442, 1-3, p. 223-229

      Research output: Contribution to journal › Journal article › Research › peer-review

    64. 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 proceeding › Encyclopedia chapter › Research

    65. Published

      Indo-Danish network project 2019-2021: Arctic and alpine aquatic science – implication of climate change on proglacial freshwater ecosystem function and services. Report part I. Program and referendum for the Danish delegations visit to India 9th to 22nd October 2019

      Christoffersen, Kirsten Seestern & Perlt, Trine Warming, 2021, Department of Biology, Faculty of Science, University of Copenhagen. 25 p.

      Research output: Book/Report › Report › Research

    66. 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 proceeding › Report chapter › Research

    67. Published

      Indo-Danish network project 2019-2021: Arctic and alpine aquatic science – implication of climate change on proglacial freshwater ecosystem function and services. Report part II. Knowledge sharing: Book of abstracts and presentation from workshop at Bahugana Garhwal University 11th to 13th October 2019

      Christoffersen, Kirsten Seestern & Perlt, Trine Warming, 2021, Department of Biology, Faculty of Science, University of Copenhagen. 151 p.

      Research output: Book/Report › Report › Research

    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 proceeding › Book chapter › Research › peer-review

    69. Published

      Technical Report 06-13: Temperature measurements in Copenhagen from 1767 to 1860

      Closter, A. M., Closter, R. M., Cappelen, J., Christensen, J. H., Christoffersen, Kirsten Seestern & Kern-Hansen, C., 2006, Denmark: Danmarks Meteorologiske Institut (DMI).

      Research output: Book/Report › Report › Communication

    70. Published

      The terrestrial and freshwater invertebrate biodiversity of the archipelagoes of the Barents Sea, Svalbard, Franz Josef Land and Novaya Zemlya

      Coulson, S. J., Convey, P., Aakra, K., Aarvik, L., Ávila-Jiménez, M. L., Babenko, A., Biersma, E. M., Boström, S., Brittain, J. E., Carlsson, A. M., Christoffersen, K. S., De Smet, W. H., Ekrem, T., Fjellberg, A., Fuereder, L., Gustafsson, D., Gwiazdowicz, D. J., Hansen, L. O., Holmstrup, M., Hulle, M. & 20 others, Kaczmarek, L., Kolicka, M., Kuklinr, V., Lakka, H. -., Lebedeva, N., Makarova, O., Maraldo, K., Melekhina, E., Odegaard, F., Pilskog, H. E., Simon, J. C., Sohlenius, B., Solhoy, T., Soli, G., Stur, E., Tanasevitch, A., Taskaeva, A., Velle, G., Zawierucha, K. & Zmudczynska-Skarbek, K., 2014, In: Soil Biology & Biochemistry. 68, p. 440-470 31 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    71. 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/Report › Report › Research › peer-review

    72. 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 journal › Journal article › Research › peer-review

    73. 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 journal › Journal article › Research › peer-review

    74. 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 journal › Journal article › Research › peer-review

    75. 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/Report › Report › Research

    76. 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 journal › Journal article › Research › peer-review

    77. Published

      Stratification strength and light climate explain variation in chlorophyll a at the continental scale in a European multilake survey in a heatwave summer

      Donis, D., Mantzouki, E., McGinnis, D. F., Vachon, D., Gallego, I., Grossart, H-P., Domis, L. N. D. S., Teurlincx, S., Seelen, L., Lurling, M., Verstijnen, Y., Maliaka, V., Fonvielle, J., Visser, P. M., Verspagen, J., van Herk, M., Antoniou, M. G., Tsiarta, N., McCarthy, V., Perello, V. C. & 178 others, Machado-Vieira, D., de Oliveira, A. G., Maronić, D. Š., Stević, F., Pfeiffer, T. Ž., Vucelić, I. B., Žutinić, P., Udovič, M. G., Plenković-Moraj, A., Bláha, L., Geriš, R., Fránková, M., Christoffersen, Kirsten Seestern, Perlt, Trine Warming, Feldmann, T., Laas, A., Panksep, K., Tuvikene, L., Kangro, K., Koreivienė, J., Karosienė, J., Kasperovičienė, J., Savadova-Ratkus, K., Vitonytė, I., Häggqvist, K., Salmi, P., Arvola, L., Rothhaupt, K., Avagianos, C., Kaloudis, T., Gkelis, S., Panou, M., Triantis, T., Zervou, S., Hiskia, A., Obertegger, U., Boscaini, A., Flaim, G., Salmaso, N., Cerasino, L., 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-Borowska, I., Mankiewicz-Boczek, J., Toporowska, M., Pawlik-Skowronska, B., Niedzwiecki, M., Pęczuła, W., Napiorkowska-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-Witkowska, B., Kostrzewska-Szlakowska, I., Frąk, M., Bańkowska-Sobczak, A., Wasilewicz, M., Ochocka, A., Pasztaleniec, A., Jasser, I., Antao-Geraldes, A. M., Leira, M., Vasconcelos, V., Morais, J., Vale, M., Raposeiro, P. M., Gonçalves, V., Aleksovski, B., Krstić, S., Nemova, H., Drastichova, I., Chomova, L., Remec-Rekar, S., Elersek, T., Hansson, L., Urrutia-Cordero, P., Bravo, A. G., Buck, M., Colom-Montero, W., Mustonen, K., Pierson, D., Yang, Y., Richardson, J., Edwards, C., Cromie, H., Delgado-Martin, J., Garcia, D., Cereijo, J. L., Goma, J., Carmen Trapote, M., Vegas-Vilarrubia, T., Obrador, B., Garcia-Murcia, A., Real, M., Romans, E., Noguero-Ribes, J., Duque, D. P., Fernandez-Moran, E., Ubeda, B., Gálvez, J. Á., 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., Hernandez, A., Carballeira, R., Camacho, A., Picazo, A., Rochera, C., Santamans, A. C., Ferriol, C., Romo, S., Miguel Soria, J., Özen, A., Karan, T., Demir, N., Beklioglu, M., Filiz, N., Levi, E., Iskin, U., Bezirci, G., Tavşanoğlu, Ü. N., Celik, K., Ozhan, K., Karakaya, N., Kocer, M. A. T., Yilmaz, M., Maraslioglu, F., Fakioglu, Ö., Soylu, E. N., Yagci, M. A., Cinar, S., Capkin, K., Yagci, A., Cesur, M., Bilgin, F., Bulut, C., Uysal, R., Latife, K., Akcaalan, R., Albay, M., Alp, M. T., Özkan, K., Sevindik, T. O., Tunca, H., Önem, B., Paerl, H., Carey, C. C. & Ibelings, B. W., 2021, In: Limnology and Oceanography. 66, 12, p. 4314-4333 20 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    78. 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 journal › Journal article › Research › peer-review

    79. 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 journal › Journal article › Research › peer-review

    80. 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 journal › Journal article › Research › peer-review

    81. Published

      Short comment on chironomid assemblages and stratigraphy of high altitude lakes from Tibet

      Hamerlik, L., Brodersen, K. P. & Christoffersen, Kirsten Seestern, 2010, In: Newsletter on Chironomidae Reserch. 23, p. 20-24

      Research output: Contribution to journal › Journal article › Research › peer-review

    82. Published

      Specific growth rates of heterotrophic plankton organisms in a eutrphic lake during a spring bloom

      Hansen, B. & Christoffersen, Kirsten Seestern, 1995, In: J. Plankton Research. 17, 2, p. 423-430

      Research output: Contribution to journal › Journal article › Research › peer-review

    83. Published

      Specific growth rates of heterotrophic plankton organisms in a eutrophic lake during a spring bloom

      Hansen, B. & Christoffersen, Kirsten Seestern, Feb 1995, In: Journal of Plankton Research. 17, 2, p. 413-430 18 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    84. Published

      Zackenberg Basic: The BioBasic programme

      Hansen, J., Hansen, Lars Hestbjerg, Tamstrof, M., Christoffersen, Kirsten Seestern, Jeppesen, E. & Schmidt, N. M., 2008, Zackenberg Ecological Research Operations, 13th Annual Report 2007: Danish Polar Center 2008, Danish Agency for Science, Technology and Innovation, Ministry of Science, Technology and Innovation. Klitgaard, A. B. & Rasch, M. (eds.). Copenhagen: Danish Polar Center, p. 57-69

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication

    85. Published

      Zackenberg Basic: The BioBasis programme

      Hansen, J., Hansen, L. H., Christoffersen, Kirsten Seestern, Albert, K. R., Skovgaard, M. S., Bay, C., Kristensen, D. K., Berg, T. B., Lund, M., Boulanger-Lapointe, N., Sørensen, P. L., Christensen, M. U. & Schmidt, N. M., 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. 43-66 24 p.

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    86. Published

      Zackenberg Basic: The BioBasis programme

      Hansen, L. H., Hansen, J., Nielsen, P. S., Humaidan, J., Christoffersen, Kirsten Seestern & Schmidt, N. M., 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. 39-65 27 p.

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    87. Published

      Zackenberg Basic: The BioBasis programme

      Hansen, L. H., Hansen, J., Christoffersen, Kirsten Seestern, Lund, M., Smedegaard Nielsen, P., Ulrik Christensen, M. & Schmidt, N. M., 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. 38-63 26 p.

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    88. Published

      Zackenberg Basis: The BioBasis programme

      Hansen, L. H., Hansen, J., Nielsen, P. S., Christoffersen, Kirsten Seestern, Mosbacher, J. B. & Schmidt, N. M., 2016, Zackenberg Ecological Research Operations: 20th annual report 2014. Jensen, L. M., Topp-Jørgensen, E. & Christensen, T. R. (eds.). Aarhus University, p. 38-64 27 p. (Zackenberg Annual Report, Vol. 20).

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    89. Published

      Zackenberg Basic: The BioBasis programme

      Hansen, L. H., Hansen, J., Christoffersen, Kirsten Seestern, Albert, K., Lund, M., Boulanger-Lapointe, N., Mortensen, L. O., Kyhn, L. A., Hansen, Eric Steen & Schmidt, N. M., 2012, Zackenberg Ecological Research Operations: 17th Annual Report 2011. Jensen, L. M. (ed.). Aarhus: Aarhus University, DCE – Danish Centre for Environment and Energy, p. 39-64 26 p.

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

    90. Published

      Temperature effects on body size of freshwater crustacean zooplankton from Greenland to the tropics

      Havens, K., Pinto-Coelho, R., Beklioglu, M., Christoffersen, Kirsten Seestern, Jeppesen, E., Lauridsen, T. L., Mazumder, A., Méthot, G., Alloul, B. P., Tavsanoglu, U. N., Erdogan, S. & Vijverberg, J., 2015, In: Hydrobiologia. 743, 1, p. 27-35 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    91. 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 journal › Journal article › Research › peer-review

    92. 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 journal › Journal article › Research › peer-review

    93. Published

      Water Chemistry of Five Faroese Lakes

      Jensen, J. P., Christoffersen, Kirsten Seestern, Landkildehus, F., Søndergaard, M., Jeppesen, E. & Bagger, J., 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. 34-38 (Annales Societatis Scientiarum Færoensis Supplementum).

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    94. 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 journal › Journal article › Research › peer-review

    95. 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 journal › Journal article › Research › peer-review

    96. 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 proceeding › Book chapter › Communication

    97. 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 proceeding › Book chapter › Research › peer-review

    98. Published

      The Impact of Nutrient State and Lake Depth on Top-down Control in the Pelagic Zone of Lakes: A Study of 466 Lakes from the Temperate Zone to the Arctic

      Jeppesen, E., Jensen, J. P., Jensen, C., Faafeng, B., Hessen, O., Søndergaard, M., Lauridsen, T., Brettum, P. & Christoffersen, Kirsten Seestern, 2003, In: Ecosystems. 6, p. 313-325

      Research output: Contribution to journal › Journal article › Research › peer-review

    99. 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 journal › Journal article › Research › peer-review

    100. 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 journal › Journal article › Research › peer-review

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