Cited by 768Aquatic Ecosystems and Phytoplankton DynamicsMarine and coastal ecosystemsPhysiological and biochemical adaptations

Zooplankton grazing and growth: Scaling within the 2‐2,‐μm body size range

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Hansen, Per Juel, Bjørnsen, Peter Koefoed, Hansen, Benni Winding·1997·Limnology and Oceanography

Abstract

In order to study the size dependency of grazing and growth rates in zooplankton, data were collected from laboratory studies in the literature, covering both limnic and marine organisms. Data were obtained from about 60 species of nano‐, micro‐, and mesozooplankton, representing flagellates, ciliates, rotifers, meroplankton larvae, copepods, and cladocerans. Estimates of maximum ingestion and clearance were extracted from functional responses (ingestion rates as a function of food density) established from laboratory experiments. Maximum specific rates were expressed as a function of predator body volume. Maximum specific clearance and ingestion rates decreased with predator volume within each group of zooplankton, with a common exponent (scaling factor) of −0.23 (SE = ±0.12) in accordance with previous findings. However, significant differences were found between groups. In particular, among the protists, ciliates display maximum ingestion, growth, and clearance rates that exceed those of dinoflagellates by a factor of 2–4. Among the metazooplankton, calanoid copepods have maximum clearance rates that exceed those of filter‐feeding cladocerans and meroplankton larvae by a factor of 10. Because of these differences between the groups, the entire set of observations could not be fitted by an overall regression.

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Authors
Hansen, P. J., Bjørnsen, P. K., & Hansen, B. W.
Affiliations
Roskilde University (DK)
Venue
Limnology and Oceanography
Publisher
Wiley
Published
1997-06
Volume
42
Issue
4
Pages
687-704
ISSN
  • 0024-3590 (ISSN-L)
  • 1939-5590
OpenAlex
W2105615541
Cited by
764
References
103
Citations by year
2026: 12 · 2025: 22 · 2024: 31 · 2023: 40 · 2022: 35 · 2021: 30 · 2020: 30 · 2019: 28 · 2018: 29 · 2017: 45 · 2016: 39 · 2015: 36 · 2014: 29 · 2013: 34 · 2012: 34
FWCI
8.63
Type
journal article
Language
en
Open access
Locations
  • Limnology and Oceanography (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (publishedVersion, other-oa)
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal ecosystems
  • Physical Sciences › Environmental Science › Ecology › Physiological and biochemical adaptations
Keywords
zooplankton grazing, zooplankton growth, body size scaling, clearance rate, ingestion rate, functional response, ciliates, dinoflagellates, Calanoida, Cladocera, rotifers, size-selective predation

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