A laboratory study of functional response of <I>Leptodora kindtii</I> to some cladoceran species and copepod nauplii.

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077387%3A_____%2F01%3A62013054" target="_blank" >RIV/60077387:_____/01:62013054 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

A laboratory study of functional response of <I>Leptodora kindtii</I> to some cladoceran species and copepod nauplii.

Popis výsledku v původním jazyce

Feeding of the predatory cladoceran <I>Leptodora kindtii</I> was studied under laboratory conditions. Functional responses for two size classes of the predator to five prey taxa (<I>Daphnia galeata, Diaphanosoma brachyurum, Ceriodaphnia pulchella, Bossmina coregoni</I> and copepod nauplii) in five prey concentrations were determined and further analysed. Small juvenile <I>Leptodora</I> showed a Hollings' type I functional response in all five experiments, whereas large adult <I>Leptodora</I> showed in 3out of 5 cases a Hollings' type II functional response. The possible significance of these differences is discussed. For all prey categories, the ratio of the basket length of <I>Leptodora</I> to the prey body length considerably influenced maximum predation rates. Prey taxa show different vulnerabilities for predation by <I>Leptodora</I>, hence, during periods of abundance this predator may have a significant structuring effect on the zooplankton community.

Název v anglickém jazyce

A laboratory study of functional response of <I>Leptodora kindtii</I> to some cladoceran species and copepod nauplii.

Popis výsledku anglicky

Feeding of the predatory cladoceran <I>Leptodora kindtii</I> was studied under laboratory conditions. Functional responses for two size classes of the predator to five prey taxa (<I>Daphnia galeata, Diaphanosoma brachyurum, Ceriodaphnia pulchella, Bossmina coregoni</I> and copepod nauplii) in five prey concentrations were determined and further analysed. Small juvenile <I>Leptodora</I> showed a Hollings' type I functional response in all five experiments, whereas large adult <I>Leptodora</I> showed in 3out of 5 cases a Hollings' type II functional response. The possible significance of these differences is discussed. For all prey categories, the ratio of the basket length of <I>Leptodora</I> to the prey body length considerably influenced maximum predation rates. Prey taxa show different vulnerabilities for predation by <I>Leptodora</I>, hence, during periods of abundance this predator may have a significant structuring effect on the zooplankton community.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DA - Hydrologie a limnologie

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2001

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Archiv für Hydrobiologie

ISSN

0003-9136

e-ISSN

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Svazek periodika

150

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

16

Strana od-do

529-544

Kód UT WoS článku

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EID výsledku v databázi Scopus

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