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Peer-reviewedCC BY-NC-ND 4.0Scientific Data

Network-aware environmental trait database for global freshwater crayfish

  • Olga N. Petko1
  • Kristian Miok1,2
  • Vanessa Bremerich3
  • Mihaela C. Ion4
  • Yusdiel Torres-Cambas3
  • Merret Buurman3
  • World of Crayfish® Contributors
  • Sami Domisch3
  • Lucian Pârvulescu1,5
5 affiliations
  1. 1Crayfish Research Centre, Institute for Advanced Environmental Research, West University of Timisoara, 300086 Timisoara, Romania
  2. 2Faculty of Computer and Information Science, University of Ljubljana, 1000 Ljubljana, Slovenia
  3. 3Leibniz Institute of Freshwater Ecology and Inland Fisheries, 12587 Berlin, Germany
  4. 4Institute of Biology Bucharest, Romanian Academy, 060031 Bucharest, Romania
  5. 5Department of Biology, Faculty of Chemistry, Biology, Geography, West University of Timisoara, 300115 Timisoara, Romania
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Abstract

We present a global environmental trait database for freshwater crayfish (Decapoda: Astacidea), integrating 115,191 georeferenced occurrence records from the World of Crayfish® platform with 398 environmental variables extracted through the Environment90m and GeoFRESH framework at 90 m resolution. Unlike conventional approaches that rely on terrestrial climate grids, our extraction addresses the dendritic structure of river networks such that each occurrence corresponds to a stream segment of the Hydrography90m stream network, thus providing variables at both local (segment-level) and upstream (catchment-aggregated) scales. Following a series of data quality checks, we retained 65,957 records across 273 taxa from all four extant families, namely Astacidae, Cambaridae, Cambaroididae, and Parastacidae. We summarized species-level environmental statistics using 20 descriptors of central tendency, dispersion, distributional shape, and niche breadth. The database is openly accessible through Mendeley Data1 and the World of Crayfish® platform without registration, providing an analysis-ready resource for species distribution modelling, invasion risk assessment, and conservation planning.

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Cite

BibTeXRIS
BibTeX
@article{petko2026networkaware,
  title = {{Network-aware environmental trait database for global freshwater crayfish}},
  author = {Olga N. Petko and Kristian Miok and Vanessa Bremerich and Mihaela C. Ion and Yusdiel Torres-Cambas and Merret Buurman and World of Crayfish® Contributors and Sami Domisch and Lucian Pârvulescu},
  journal = {Scientific Data},
  year = {2026},
  month = jul,
  doi = {10.1038/s41597-026-07845-5},
  url = {https://doi.org/10.1038/s41597-026-07845-5},
  note = {CC BY-NC-ND 4.0},
}
RIS
TY  - JOUR
TI  - Network-aware environmental trait database for global freshwater crayfish
AU  - Olga N. Petko
AU  - Kristian Miok
AU  - Vanessa Bremerich
AU  - Mihaela C. Ion
AU  - Yusdiel Torres-Cambas
AU  - Merret Buurman
AU  - World of Crayfish® Contributors
AU  - Sami Domisch
AU  - Lucian Pârvulescu
PY  - 2026
DA  - 2026/07/10
JO  - Scientific Data
DO  - 10.1038/s41597-026-07845-5
UR  - https://doi.org/10.1038/s41597-026-07845-5
AB  - We present a global environmental trait database for freshwater crayfish (Decapoda: Astacidea), integrating 115,191 georeferenced occurrence records from the World of Crayfish® platform with 398 environmental variables extracted through the Environment90m and GeoFRESH framework at 90 m resolution. Unlike conventional approaches that rely on terrestrial climate grids, our extraction addresses the dendritic structure of river networks such that each occurrence corresponds to a stream segment of the Hydrography90m stream network, thus providing variables at both local (segment-level) and upstream (catchment-aggregated) scales. Following a series of data quality checks, we retained 65,957 records across 273 taxa from all four extant families, namely Astacidae, Cambaridae, Cambaroididae, and Parastacidae. We summarized species-level environmental statistics using 20 descriptors of central tendency, dispersion, distributional shape, and niche breadth. The database is openly accessible through Mendeley Data1 and the World of Crayfish® platform without registration, providing an analysis-ready resource for species distribution modelling, invasion risk assessment, and conservation planning.
SN  - 2052-4463
ER  -