The effect of a sharp pycnocline on plankton dynamics in a freshwater influenced Norwegian fjord

Ophelia

Volumn 56, Issue 3, 2002, Pages 135-160

  Andersen, Christian Marc ^a   Nielsen, Torkel Gissel ^a  

^a National Environmental Research Institute   (Denmark)

Author keywords

Fjord ecology; Freshwater influence; Salinity gradient; Sharp pycnocline; Vertical plankton distribution

Indexed keywords

COMMUNITY STRUCTURE; FJORD; PLANKTON; PRODUCTIVITY; PYCNOCLINE; SALINITY;

NORWAY;

COPEPODA;

EID: 0036905302     PISSN: 00785326     EISSN: None     Source Type: Journal    
DOI: 10.1080/00785236.2002.10409495     Document Type: Article

References (91)

1. Ackefors, H. 1971. Podon polyphemoides Leuckart and Bosmina coregoni maritima (P.E. Muller) in relation to temperature and salinity in field studies and laboratory experiments. J. Exp. Mar. Biol. Ecol. 7: 51-70.
2. Aksnes, D. L. & T. Magnesen 1983. Distribution, development, and production of Calanus finmarchiciis (Gunnerus) in Lindaspollene, western Norway, 1979. Sarsia 68: 195-208.
3. Aksnes, D. L. & T. Magnesen 1988. A population dynamics approach to the estimation of production of four copepods in Lindaspollene, western Norway. Mar. Ecol. Prog. Ser. 45: 57-68.
4. Albjerg, J. 1996. Et studie af zooplankton-dynamikken i danske farvande. M. Sc. Thesis, University of Copenhagen, Copenhagen, Denmark, 57 pp. (in Danish).
5. Andersen, C. M. & T. G. Nielsen 1997. Hatching rate of the egg-carrying estuarine copepod Eurytemorci affinis. -Mar. Ecol. Prog. Ser. 160: 283-289.
6. Archer, S. D., P. Verity & J. Stefels 2000. Impact of micro-zooplankton on the progression and fate of the spring bloom in fjords of northern Norway. Aquat. Microb. Ecol. 22: 27-41.
7. Banse, K 1964. On the vertical distribution of zooplankton in the sea. Prog. Oceanogr. 2: 53-125.
8. Barthel, K. G. 1995. Zooplankton dynamics in Bals-fjorden, northern Norway. In H. R. Skjoldal, C. Hopkins, K. E. Erikstas & H. P. Leinaas (eds) Ecology of fjords and coastal waters, pp 113-126, Elsevier Science BV, Amsterdam.
9. Berggreen, U., B. Hansen & T. Kiprboe 1988. Food size spectra, ingestion and growth of the copepod Acartia tonsa during development: implications for determinations of copepod production. Mar. Biol. 99: 341-352.
10. Bollens, S. & B. W. Frost 1989. Predator-induced diel vertical migration in a marine planktonic copepod. J. Plankton. Res. 11: 1047-1065.
11. Brand, G. W. & I. A. E. Bayly 1971. A comparative study of osmotic regulation in four species of calanoid copepod. Comp. Biochem. Physiol. 38B: 361-371.
12. Bucklin, A., S. Kaartvedt, M. Guarnieri & U. Goswami 2000. Population genetics of drifting (Calanus spp.) and resident (Acartia clausi) plankton in Norwegian fjords. J. Plankton. Res. 22: 1237-1251.
13. Burrell, D. C. 1988. Carbon flow in Fjords. Oceanogr. Mar. Biol. Annu. Rev. 26: 143-226.
14. Buskey, E. J. 1997. Behavioral components of feeding selectivity of the heterotrophic dinoflagellate Proto-peridinium pelluddum.-Mar. Ecol. Prog. Ser. 153: 77-89.
15. Buskey, E. J. & D. Stoecker 1988. Locomotory patterns of the planktonic ciliate Favella sp.: adaptations for remaining within food patches. Bull. Mar. Sd. 43: 783-796.
16. Cervetto, G., R. Gaudy & M. Pagano 1999. Influence of salinity on the distribution of Acartia tonsa (Cope-poda, Calanoida). J. Exp. Mar. Biol. Ecol. 239: 33-45.
17. Clarke, K R. & R. M. Warwick 1994. Change in marine communities: An approach to statistical analysis and interpretation. Natural Environment Research Council, UK
18. Collins, N. R. & R Williams 1981. Zooplankton of the Bristol Channel and Severn Estuary. The Distribution of Four Copepods in Relation to Salinity. Mar. Biol. 64: 273-283.
19. Corkett, C. J. & I. A. McLaren 1970. Relationships between development rate of eggs and older stages of copepods. J. Mar. Biol. Ass. UK 50: 161-168.
20. Dale, T. 1987. Diel vertical distribution of planktonic ciliates in Lindaspollene, western Norway. Mar. Microb. Food. Webs. 2: 15-28.
21. Dodge, J. D. 1985. Marine dinoflagellates of the British Isles.- Her Majesty's Stationary Office, London.
22. Edler, L. 1979. Recommendations for marine biological studies in the Baltic Sea. Baltic Mar. Biol. Publ. 5: 1-38.
23. Egloff, D. A., P. W. Fotonoff & T. Onbe 1997. Reproductive biology of marine cladocerans. Adv. Mar. Biol. 31 pp. 80-167.
24. Falkenhaug, T. 1996. Distributional and seasonal patterns of ctenophores in Malangen, Northern Norway. Mar. Ecol. Prog. Ser. 140: 59-70.
25. Falkenhaug, T., K. S. Tande & T. Semenova T 1997. Diel, seasonal and ontogenetic variations in the vertical distributions of four marine copepods. Mar. Ecol. Prog. Ser. 149: 105-119.
26. Farmer, D. M. & H. J. Freeland 1983. The Physical Oceanography of Fjords. Prog. Oceanogr. 12: 147-219.
27. Farmer, L. 1980. Evidence for hyporegulation in the calanoid copepod Acartia tonsa. Comp. Biochem. Physiol. 65A: 359-362.
28. Fenchel, T. & N. Blackburn 1999. Motile chemosensory behaviour of phagotrophic protists: mechanisms for and efficiency in congregating at food patches. Protist 150: 325-336.
29. Foissner, W. & H. Berger 1996. A user-friendly guide to the ciliates (Protozoa, Ciliophora) commonly used by hydrobiologists as bioindicators in rivers, lakes, and waste waters, with notes on their ecology. Freshwater Biology 35: 375-482.
30. Gonzales, H. E. & V. Smetacek 1994. The possible role of the cyclopoid copepod Oithonain retarding vertical flux of zooplankton faecal material. Mar. Ecol. Prog. Ser. 113: 233-246.
31. Grasshof, K. 1976. Methods for seawater analysis.-Verlag Chemie, Weinheim, New York.
32. Green, E. P. & M. J. Dagg 1997. Mesozooplankton associations with medium to large marine snow aggregates in the northern Gulf of Mexico. J. Plankton Res. 19: 435-447.
33. Gyllenberg, G. & G. Lundqvist 1979. The effects of temperature and salinity on the oxygen consumption of Eurytemora hirundoides (Crustacea, Copepoda). Ann. Zool. Fennici 16: 205-208.
34. Hansen, P. J., P. K. Bjørnsen & B. W. Hansen 1997. Zooplankton grazing and growth: Scaling within the 22,000 pm body size range. Limnol. Oceanogr. 42: 687-704.
35. Hansen, P. J. & A. J. Calado 1999. Phagotrophic mechanisms and prey selection in free-living dinoflagellates.-/Euk. Microbiol. 46: 382-389.
36. Havskum, H. & A. S. Hansen 1997. Importance of pigmented and colourless nano-sized protists as grazers on nanoplankton in a phosphate-depleted Norwegianord and in enclosures. Aquat. Microb. Ecol. 12: 139-151.
37. Halliday, N. C., S. H. Coombs & C Smith 2001. A comparison of LHPR and OPC data from vertical distribution sampling of zooplankton in a Norwegian fjord. Sarsia 86: 87-99.
38. Halvorsen, E. & K S. Tande 1999. Physical and biological factors influencing the seasonal variation in distribution of zooplankton across the shelf at Nordvest-banken, northern Norway, 1994. Sarsia 84: 279-292.
39. Heckman, C. W. 1986. The anadromous migration of a calanoid copepod, Eurytemora affmis (Poppe 1880) in the Elbe estuary. Crustaceana 50: 176-181.
40. Hedal, S. & L. R. Hansen 2001. Overvdgning af Roskilde Fjord 2000. Vandmiljøovervdgning nr. 78.- Roskilde Amt, Teknisk Forvaltning og Frederiksborg Amt, Teknik og Miljø. (in Danish).
41. Hopper, A. F. 1960. The resistance of marine zooplankton of the Carribean and South Atlantic to changes in salinity. Limnol. Oceanogr. 5: 43-47.
42. Huntley, M. & M. D. G. Lopez 1992. Temperature-dependent production of marine copepods: A global synthesis. Am. Nat. 140: 201-242.
43. Jaffe, J. S., P. J. S. Franks & A. W. Leising 1998. Simultaneous imaging of phytoplankton and zooplankton distributions. Oceanography 11: 1-5.
44. Jeffries, H. P. 1962. Copepod indicator species in estuaries. Ecology 43: 730-733.
45. Jespersen, A. M. & K. Christoffersen 1987. Measurements of chlorophyll a from phytoplankton using ethanol as extraction solvent. Arch. Hydrobiol. 109: 445-454.
46. Jonsson, P. R. 1989. Vertical distribution of planktonic ciliates-an experimental analysis of swiming behaviour. Mar. Ecol. Prog. Ser. 52: 39-53.
47. Kaartvedt, S. & D. L. Aksnes 1992. Does Freshwater Discharge Cause Mortality of Fjord-Living Zooplankton? Estuar. Coast. Shelf Sd. 34: 305-313.
48. Kaartvedt, S. & H. Svendsen 1995. Effect of freshwater discharge, intrusions of coastal water, and bathymetry on zooplankton distribution in a Norwegian fjord system. f. Plankton Res. 17: 493-511.
49. Katona, S. K. 1970. Growth charateristics of the copepods Eurytemora affmis and E. herdinani in laboratory culture. Helgolander Wiss. Meeresunters. 20: 375-384.
50. Kivi, K., H. Kuosa & S. Tanskanen 1996. An experimental study on the role of crustacean and microprotozoan grazers in the planktonic food web. Mar. Ecol. Prog. Ser. 136: 59-68.
51. Kiørboe, T. 1993. Turbulence, phytoplankton cell size, and the structure of pelagic food webs. Adv. Mar. Biol. 29 pp. 1-72.
52. Kiørboe, T., F. Møhlenberg & H. U. Riisgaard 1985. In situ feeding rates on planktonic copepods: a comparison of methods. J. Exp. Mar. Biol. Ecol. 88: 67-81.
53. Kiørboe, T. & T. G. Nielsen 1994. Regulation of zooplankton biomass and production in a temperate, coastal ecosystem. 1. Copepods. Limnol. Oceanogr. 39: 493-507.
54. Kristiansen, S., T. F. Thingstad, P. Van der Wal, T. Farbrot & E. F. Skjoldal 1994. An Emiliania huxleyi-dominated subsurface bloom in Samnangerfjord, western Norway. Importance of hydrography and nutrients. Sarsia 79: 357-368.
55. Lance, J. 1963. The salinity tolerance of some estuarine plankton copepods. Limnol. Oceanogr. 8: 440-449.
56. Levinsen, H., T. G. Nielsen & B. W. Hansen 1999. Plankton community structure and carbon cycling on the western coast of Greenland during the stratified summer situation. II. Ciliates and heterotrophic dinoflagellates. Aquat. Microb. Ecol. 16: 217-232.
57. Levinsen, H., J. T. Turner, T. G. Nielsen & B. W. Hansen 2000. On the trophic coupling between protists and copepods in arcdc marine ecosystems. Mar. Ecol. Prog. Ser. 204: 65-77.
58. Lie, U., H. Svendsen, S. Kaartvedt, S. Mikki, T. M. Johnsen, D. L. Aksnes, R. P. Aswall & L. Golmen 1992. Vannkrafi og fjorder. Fysiske og biologiske konsenkvenser av Ulla-F&rre utbyggingen. Rapp. 4/92, Center for Resources and Developmental Studies, University of Bergen, Bergen, Norway, 89 pp. (in Norwegian)
59. Longhurst, A. R. 1995. Seasonal cycles of pelagic production and consumption. -Prog. Oceanogr. 36:77-167.
60. Magnesen, T., D. L. Aksnes & H. R. Skjoldal 1989. Fine-scale vertical structure of a summer zooplankton community in Lindàspollene, western Norway. Sarsia 74:115-126.
61. Mauchline, J. 1999. The biology of calanoid copepods. Adv. Mar. Biol. 33 pp. 1-701.
62. Montagnes, D. J. S. & D. H. Lynn 1991. Taxonomy of choreotrichs, the major marine planktonic ciliates, with emphasis on the aloricate forms. Mar. Microb. Food. Webs. 5:59-74.
63. Nejstgaard, J. C., I. Gismervik & R T. Solberg 1997. Feeding and reproduction by Calanus fintnarchicus, and microzooplankton grazing during mesocosm blooms of diatoms and the coccolithophore Emiliania huxleyi.-Mar. Ecol. Prog. Ser. 147:197-217.
64. Nielsen, T. G. 1991. Contribution of zooplankton grazing to the decline of a Ceratium bloom. Limnol. Oceanogr. 36:1092-1106.
65. Nielsen, T. G. & C. M. Andersen CM 2002. Plankton community structure and production along a freshwater influenced Norwegian §ord system. Mar. Biol. 141:707-724.
66. Nielsen, T. G., E. F. Møller, S. Satapoomin, M. Ringuette & R. R. Hopcroft. Egg hatching rate of the cyclopoid copepod Oithona similis in arctic and temperate waters. Mar. Ecol. Prog. Ser. 236:3011-306.
67. Norrbin, M. F. 1991. Gonad maturation as an indication of seasonal cycles for several species of small cope-pods in the Barents Sea. Polar Res. 10:421-432.
68. Onbé, T & T. Ikeda 1995. Marine cladocerans in Toyama Bay, southern Japan Sea: seasonal occurence and day-night vertical distributions. J. Plankton Res. 17:595-609.
69. Pagano, M., R. Gaudy, D. Thibault & F. Lochet 1993. Vertical migrations and feeding rhythms of mesozoo-planktonic organisms in the Rhone River plume area (North-west Mediterranean Sea). Estuar. Coast. Shelf. Sci. 37:251-269.
70. Pasternak, A., E. Arashkevich, C. W. Riser, T. Ratkova & P. Wassmann 2000. Seasonal variations in zooplankton and suspended faecal pellets in the subarctic Norwegian Balsfjorden, in 1996. Sarsia 85:439-452.
71. Roddie, B. D., R. J. G. Leakey & A. J. Berry 1984. Salinity-temperature tolerance and osmoregulation in Eurytemora affinis (Poppe) (Copepoda: Calanoida) in relation to its distribution in the zooplankton of the upper reaches of the forth estuary. J. Exp. Mar. Biol. Ecol. 79:191-211.
72. Runge, J.A. & R G. Ingram 1991. Under-ice feeding and diel migration by the planktonic copepods Calanus glacialis and Pseudocalanus minutus in relation to the ice algal production cycle in southeastern Hudson Bay, Canada. Mar. Biol. 108:217-225.
73. Schlüter, L. & H. Havskum 1997. Phytoplankton pigments in relation to carbon content in phytoplankton communities. Mar. Ecol. Prog. Ser. 155:55-65.
74. Skreslet, S. 1986 (ed).The role of Freshwater Outflow in Coastal Marine Ecosystems. NATO ASI Series. Series G, Ecological Sciences; Vol. 7. Springer Verlag Berlin Heidelberg.
75. Soetaert, K & P. M. J. Herman 1994. One foot in the grave: zooplankton drift into the Westerschelde estuary (The Netherlands). Mar. Ecol. Prog. Ser. 105:1929.
76. Svendsen, H. 1995. Physical oceanography of coupled fjord-coast systems in northern Norway with special focus on frontal dynamics and tides. In H. R. Skjoldal, C. Hopkins, K. E. Erikstad & H. P. Leinaas (eds): Ecology of fjords and coastal waters pp. 149-164.
77. Svensen, C. & T. Kiørboe 2000. Remote prey detection in Oithona similis. hydromechanical vs. chemical cues. J. Plankton. Res. 22:1155-1166.
78. Tande, K S. 1991. Calanus in North Norwegian fjords and in the Barents Sea. Polar Res. 10:389-407.
79. Thingstad, T. F., H. Havskum, H Kaas, T. G. Nielsen, B. Riemann, D. Lefevre & P. J. L. Williams 1999. Bacteria-protist interactions and organic matter degradation under P-limited conditions: Analysis of an enclosure experiment using a simple model. Limnol. Oceanogr. 44:62-79.
80. Thingstad, T. F., E. F. Skjoldal & R. A. Bohne 1993. Phosphorus cycling and algal-bacterial competition in Sandsfjord, western Norway. Mar Ecol. Prog. Ser. 99:239-259.
81. Thomsen, H. A. (ed) 1992. Plankton i de indre danske far-vande.-Miljpstyrelsen. (in Danish)
82. Tiseiius, P. 1992. Behavior of Acartia tonsa in patchy food environments. Limnol. Oceanogr. 37:1640-1651.
83. Tiseiius, P. & P. R. Jonsson 1990. Foraging behavior of six calanoid copepods: observations and hydrodynamic analysis. Mar. Ecol. Prog. Ser. 66:23-33.
84. Turner, J. T. & Graneli E 1992. Zooplankton feeding ecology: grazing during enclosure studies of phytoplankton blooms from the west coast of Sweden. J. Exp. Mar. Biol. Ecol. 157:19-31.
85. Uitto, A., A.-S. Heiskanen, R. Lignell, R. Autio & R. Pajuniemi 1997. Summer dynamics of the coastal planktonic food web in the northern Baltic Sea. Mar. Ecol. Prog. Ser. 151:27-41.
86. Uye, S. & S. Ichino 1995. Seasonal variations in abundance, size composition, biomass and production rate of Oikopleura dioica (Fol) (Tunicata: Appendicularia) in a temperate eutrophic inlet. J. Exp. Mar. Biol. Ecol. 189:1-11.
87. Utermolil, H 1958. Zur vervollkommung der quantitativen phytoplankton methodik. Mitt. Int. Ver. Theor. Angew. Limnol 9:1-38.
88. Vaupel-Klein, J. C. & R. E. Weber 1975. Distribution of Eurytemora affinis in relation to salinity: field and laboratory observations. Neth.J. Sea Res. 9:297-310.
89. Verity, P. G. & M. Vernet 1992. Microzooplankton grazing, pigments and composition of plankton communities during late spring in two Norwegian fjords. Sarsia 77:263-274.
90. Wellershaus, S. & A. Soltanpour-Gargari 1991. Planktonic copepods in the very low salinity region in estuaries. -Bull. Plankton Soc. Japan, Special Volume:133-142.
91. Williams, R. 1985. Vertical distribution of Calanus fin-marchicus and Calanus helgolandicus in relation to the development of the seasonal thermocline in the Celtic Sea. Mar. Biol 86:145-149.