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Cercarial behaviour alters the consumer functional response of three-spined sticklebacks

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F21%3A43904129" target="_blank" >RIV/60076658:12310/21:43904129 - isvavai.cz</a>

  • Alternative codes found

    RIV/60077344:_____/21:00552982

  • Result on the web

    <a href="https://besjournals.onlinelibrary.wiley.com/doi/epdf/10.1111/1365-2656.13427" target="_blank" >https://besjournals.onlinelibrary.wiley.com/doi/epdf/10.1111/1365-2656.13427</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/1365-2656.13427" target="_blank" >10.1111/1365-2656.13427</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Cercarial behaviour alters the consumer functional response of three-spined sticklebacks

  • Original language description

    Free-living parasite life stages may contribute substantially to ecosystem biomass and thus represent a significant source of energy flow when consumed by non-host organisms. However, ambient temperature and the predator&apos;s own infection status may modulate consumption rates towards parasite prey. We investigated the combined effects of temperature and predator infection status on the consumer functional response of three-spined sticklebacks towards the free-living cercariae stages of two common freshwater trematode parasites (Plagiorchis spp., Trichobilharzia franki). Our results revealed genera-specific functional responses and consumption rates towards each parasite prey: Type II for Plagiorchis spp. and Type III for T. franki, with an overall higher consumption rate on T. franki. Elevated temperature (13 degrees C) increased the consumption rate on Plagiorchis spp. prey for sticklebacks with mild cestode infections (&lt;5% fish body weight) only. High consumption of cercarial prey by sticklebacks may impact parasite population dynamics by severely reducing or even functionally eliminating free-living parasite life stages from the environment. This supports the potential role of fish as biocontrol agents for cercariae with similar dispersion strategies, in instances where functional response relationships have been established. Our study demonstrates how parasite consumption by non-host organisms may be shaped by traits inherent to parasite transmission and dispersal, and emphasises the need to consider free-living parasite life stages as integral energy resources in aquatic food webs.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10618 - Ecology

Result continuities

  • Project

    <a href="/en/project/GJ17-20936Y" target="_blank" >GJ17-20936Y: Neglected role of parasites: does biomass of trematode cercariae matter in subarctic freshwater ecosystems?</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Animal Ecology

  • ISSN

    0021-8790

  • e-ISSN

  • Volume of the periodical

    90

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

    978-988

  • UT code for WoS article

    000615955700001

  • EID of the result in the Scopus database

    2-s2.0-85100529198