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The Spinal Cord01:54

The Spinal Cord

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Related Experiment Video

Updated: Jun 19, 2026

Laboratory Protocol for Genetic Gut Content Analyses of Aquatic Macroinvertebrates Using Group-specific rDNA Primers
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Occurrence data for stream-dwelling macroinvertebrates from Central Europe.

Dorottya Hárságyi1, Balázs J Berta1, Bernadett Boóz1

  • 1Department of Hydrobiology, University of Pécs, Ifjúság útja 6, Pécs H7624, Hungary.

Data in Brief
|February 3, 2025
PubMed
Summary

This study surveyed freshwater macroinvertebrates across Central Europe, mapping species distribution in understudied river networks. The findings enhance ecological and biogeographical knowledge for conservation efforts.

Keywords:
DistributionFreshwater faunaGastropodaHirudineaInsectaStream

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Area of Science:

  • Ecology
  • Biogeography
  • Conservation Biology

Background:

  • Freshwater ecosystems harbor immense biodiversity, yet species distribution data is often incomplete.
  • Understanding species distribution is crucial for effective conservation and ecological studies.
  • Lesser-known freshwater habitats require focused surveys to fill knowledge gaps.

Purpose of the Study:

  • To expand knowledge of freshwater fauna in under-surveyed Central European river networks.
  • To generate comprehensive distribution maps for various macroinvertebrate taxa.
  • To provide foundational data for future ecological, biogeographical, and conservation research.

Main Methods:

  • A one-year multihabitat sampling approach was employed across 60 sites in Croatia, Czechia, and Hungary.
  • Stream-dwelling macroinvertebrates were collected and identified to the species level.
  • Data collection focused on Balcanic, Continental, and Pannonian ecoregions.

Main Results:

  • 1827 geo-referenced occurrence records were compiled for 164 taxa.
  • Data includes presence-absence information for Gastropoda, Hirudinea, and Insecta (Coleoptera, Hemiptera, Megaloptera, Odonata, Trichoptera).
  • Geographical and taxonomic details for each sampling site and species were documented.

Conclusions:

  • The generated dataset significantly contributes to the understanding of freshwater macroinvertebrate distribution in Central Europe.
  • This data serves as a valuable resource for ecological, biogeographical, and nature conservation studies.
  • The findings highlight the importance of surveying understudied regions to complete biodiversity inventories.