The functional biology and trophic role of krill (Thysanoessa raschii) in a Greenlandic fjord

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

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The functional biology and trophic role of krill (Thysanoessa raschii) in a Greenlandic fjord. / Agersted, Mette Dalgaard; Nielsen, Torkel Gissel; Munk, Peter; Vismann, B.; Arendt, K.E.

In: Marine Biology, Vol. 158, No. 6, 06.2011, p. 1387-1402.

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

Harvard

Agersted, MD, Nielsen, TG, Munk, P, Vismann, B & Arendt, KE 2011, 'The functional biology and trophic role of krill (Thysanoessa raschii) in a Greenlandic fjord', Marine Biology, vol. 158, no. 6, pp. 1387-1402. https://doi.org/10.1007/s00227-011-1657-z

APA

Agersted, M. D., Nielsen, T. G., Munk, P., Vismann, B., & Arendt, K. E. (2011). The functional biology and trophic role of krill (Thysanoessa raschii) in a Greenlandic fjord. Marine Biology, 158(6), 1387-1402. https://doi.org/10.1007/s00227-011-1657-z

Vancouver

Agersted MD, Nielsen TG, Munk P, Vismann B, Arendt KE. The functional biology and trophic role of krill (Thysanoessa raschii) in a Greenlandic fjord. Marine Biology. 2011 Jun;158(6):1387-1402. https://doi.org/10.1007/s00227-011-1657-z

Author

Agersted, Mette Dalgaard ; Nielsen, Torkel Gissel ; Munk, Peter ; Vismann, B. ; Arendt, K.E. / The functional biology and trophic role of krill (Thysanoessa raschii) in a Greenlandic fjord. In: Marine Biology. 2011 ; Vol. 158, No. 6. pp. 1387-1402.

Bibtex

@article{6c447af03a0d47ccb26eceef45f705c4,
title = "The functional biology and trophic role of krill (Thysanoessa raschii) in a Greenlandic fjord",
abstract = "Despite being a key zooplankton group, knowledge on krill biology from the Arctic is inadequate. The present study examine the functional biology and evaluate the trophic role of krill in the GodthAyenbsfjord (64 degrees N, 51 degrees W) SW Greenland, through a combination of fieldwork and laboratory experiments. Krill biomass was highest in the middle fjord and inner fjord, whereas no krill was found offshore. The dominating species Thysanoessa raschii revealed a type III functional response when fed with the diatom Thalassiosira weissflogii. At food saturation, T. raschii exhibited a daily ration of 1% body C d(-1). Furthermore, T. raschii was capable of exploiting plankton cells from 5 to 400 mu m, covering several trophic levels of the pelagic food web. The calculated grazing impact by T. raschii on the fjord plankton community was negligible. However, the schooling and migratory behaviour of krill will concentrate and elevate the grazing in specific areas of the euphotic zone",
keywords = "EUPHAUSIA-SUPERBA DANA, MARGINAL ICE-ZONE, COPEPOD ACARTIA-TONSA, ANTARCTIC KRILL, FEEDING-BEHAVIOR, BODY-SIZE, MEGANYCTIPHANES-NORVEGICA, VERTICAL-DISTRIBUTION, COASTAL WATERS, FECAL MATERIAL",
author = "Agersted, {Mette Dalgaard} and Nielsen, {Torkel Gissel} and Peter Munk and B. Vismann and K.E. Arendt",
year = "2011",
month = jun,
doi = "10.1007/s00227-011-1657-z",
language = "English",
volume = "158",
pages = "1387--1402",
journal = "Marine Biology",
issn = "0025-3162",
publisher = "Springer",
number = "6",

}

RIS

TY - JOUR

T1 - The functional biology and trophic role of krill (Thysanoessa raschii) in a Greenlandic fjord

AU - Agersted, Mette Dalgaard

AU - Nielsen, Torkel Gissel

AU - Munk, Peter

AU - Vismann, B.

AU - Arendt, K.E.

PY - 2011/6

Y1 - 2011/6

N2 - Despite being a key zooplankton group, knowledge on krill biology from the Arctic is inadequate. The present study examine the functional biology and evaluate the trophic role of krill in the GodthAyenbsfjord (64 degrees N, 51 degrees W) SW Greenland, through a combination of fieldwork and laboratory experiments. Krill biomass was highest in the middle fjord and inner fjord, whereas no krill was found offshore. The dominating species Thysanoessa raschii revealed a type III functional response when fed with the diatom Thalassiosira weissflogii. At food saturation, T. raschii exhibited a daily ration of 1% body C d(-1). Furthermore, T. raschii was capable of exploiting plankton cells from 5 to 400 mu m, covering several trophic levels of the pelagic food web. The calculated grazing impact by T. raschii on the fjord plankton community was negligible. However, the schooling and migratory behaviour of krill will concentrate and elevate the grazing in specific areas of the euphotic zone

AB - Despite being a key zooplankton group, knowledge on krill biology from the Arctic is inadequate. The present study examine the functional biology and evaluate the trophic role of krill in the GodthAyenbsfjord (64 degrees N, 51 degrees W) SW Greenland, through a combination of fieldwork and laboratory experiments. Krill biomass was highest in the middle fjord and inner fjord, whereas no krill was found offshore. The dominating species Thysanoessa raschii revealed a type III functional response when fed with the diatom Thalassiosira weissflogii. At food saturation, T. raschii exhibited a daily ration of 1% body C d(-1). Furthermore, T. raschii was capable of exploiting plankton cells from 5 to 400 mu m, covering several trophic levels of the pelagic food web. The calculated grazing impact by T. raschii on the fjord plankton community was negligible. However, the schooling and migratory behaviour of krill will concentrate and elevate the grazing in specific areas of the euphotic zone

KW - EUPHAUSIA-SUPERBA DANA

KW - MARGINAL ICE-ZONE

KW - COPEPOD ACARTIA-TONSA

KW - ANTARCTIC KRILL

KW - FEEDING-BEHAVIOR

KW - BODY-SIZE

KW - MEGANYCTIPHANES-NORVEGICA

KW - VERTICAL-DISTRIBUTION

KW - COASTAL WATERS

KW - FECAL MATERIAL

U2 - 10.1007/s00227-011-1657-z

DO - 10.1007/s00227-011-1657-z

M3 - Journal article

VL - 158

SP - 1387

EP - 1402

JO - Marine Biology

JF - Marine Biology

SN - 0025-3162

IS - 6

ER -

ID: 37368024