About: Effects of turbulence on the feeding rate of a pelagic predator: The planktonic hydroid Clytia gracilis     Goto   Sponge   NotDistinct   Permalink

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Description
  • Práce pojednává o významu turbulence v potravní ekologii planktonního nezmaře Clytia gracilis (cs)
  • Relatively little is known about the role of turbulence in a predator-prey system where the predator is a passive, pelagic forager. The Campanulariid hydroid Clytia gracilis (Cnidaria, Hydrozoa) is unusual because it occurs as planktonic colonies and is reported to forage passively in the water column on Georges Bank, Massachusetts, USA. in this study, we investigated the role of various turbulence conditions on the feeding rate of C. gracilis colonies in laboratory experiments. We found a positive relationship between turbulence velocities and feeding rates up to a turbulent energy dissipation rate of ca. 1 cm(2) s(-3). Beyond this threshold feeding rate decreased slightly, indicating a dome-shaped relationship. Additionally, a negative relationship was found between feeding efficiency and hydroid colony size under lower turbulent velocities, but this trend was not significant under higher turbulence regimes
  • Relatively little is known about the role of turbulence in a predator-prey system where the predator is a passive, pelagic forager. The Campanulariid hydroid Clytia gracilis (Cnidaria, Hydrozoa) is unusual because it occurs as planktonic colonies and is reported to forage passively in the water column on Georges Bank, Massachusetts, USA. in this study, we investigated the role of various turbulence conditions on the feeding rate of C. gracilis colonies in laboratory experiments. We found a positive relationship between turbulence velocities and feeding rates up to a turbulent energy dissipation rate of ca. 1 cm(2) s(-3). Beyond this threshold feeding rate decreased slightly, indicating a dome-shaped relationship. Additionally, a negative relationship was found between feeding efficiency and hydroid colony size under lower turbulent velocities, but this trend was not significant under higher turbulence regimes (en)
Title
  • Effects of turbulence on the feeding rate of a pelagic predator: The planktonic hydroid Clytia gracilis
  • Vliv turbulence na míru krmení pelagického predatora: planktonický nezmař Clytia gracilis. (cs)
  • Effects of turbulence on the feeding rate of a pelagic predator: The planktonic hydroid Clytia gracilis (en)
skos:prefLabel
  • Effects of turbulence on the feeding rate of a pelagic predator: The planktonic hydroid Clytia gracilis
  • Vliv turbulence na míru krmení pelagického predatora: planktonický nezmař Clytia gracilis. (cs)
  • Effects of turbulence on the feeding rate of a pelagic predator: The planktonic hydroid Clytia gracilis (en)
skos:notation
  • RIV/61989592:15310/06:00003307!RIV07-MSM-15310___
http://linked.open.../vavai/riv/strany
  • 159-165
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 153100012), Z(MSM6198959212)
http://linked.open...iv/cisloPeriodika
  • 2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 473390
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/06:00003307
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Functional response; Hydrozoa; Small-scale turbulence; Turbulent mixing (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [E33D05067A9F]
http://linked.open...i/riv/nazevZdroje
  • Journal of Experimental Marine Biology and Ecology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 33
http://linked.open...iv/tvurceVysledku
  • Adamík, Peter
  • Alatalo, Phil
  • Gallager, Scott
  • Govindarajan, Annette
  • Horgan, Erich
  • Madin, Laurence
  • Mcgillis, Wade
http://linked.open...n/vavai/riv/zamer
issn
  • 0022-0981
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
is http://linked.open...avai/riv/vysledek of
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