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Residual pools and dry streambed as refugia for macroinvertebrates of intermittent streams

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F21%3A00119122" target="_blank" >RIV/00216224:14310/21:00119122 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Residual pools and dry streambed as refugia for macroinvertebrates of intermittent streams

  • Original language description

    Since stream intermittency is becoming more frequent, species need to either survive stranded in moist stream bed sediment, or retreat into remnant pools and hope for the best. We assessed the role of these two refuge types by comparing their community composition with spring and autumn communities on 6 different streams. Results indicate, that taxonomic composition of summer dry streambed and residual pool samples are much more diversified than spring or autumn samples. Probably in reaction to diverse and changing environmental conditions. Mean number of species surviving from all taxa of each stream in remnant pools was around 10 % and similarly 10 % in dry streambed. Around 15 % of species were found during flowing phase and in one or both of our refuge type samples. As we see, the role of residual pools and dry streambed as refuges for macroinvertabrates in intermittent streams should not be overlooked in river management and can serve to argue for their protection, even during dry phase. This research was supported by INTER-EXCELLENCE COST project INTERSTREAM (LTC17017), Czech Science Foundation (P505-20-17305S) and university specific research MUNI/A/1581/2020.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

  • OECD FORD branch

    10617 - Marine biology, freshwater biology, limnology

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2021

  • Confidentiality

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