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PiSCES: Pi(scine) stream community estimation system.

Mike Cyterski1, Craig Barber1, Mike Galvin1

  • 1United States Environmental Protection Agency, National Exposure Research Laboratory, Athens, GA, USA.

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Summary
This summary is machine-generated.

The Piscine Stream Community Estimation System (PiSCES) offers a hypothesized fish community for U.S. streams. This tool aids in understanding freshwater fish species distribution and characteristics.

Keywords:
Community size spectraCommunity structureFish distributions

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Area of Science:

  • Ecology
  • Ichthyology
  • Environmental Science

Background:

  • Accurate fish community data is crucial for stream ecosystem assessment and management.
  • Existing data sources are fragmented, requiring integration for comprehensive analysis.

Purpose of the Study:

  • To introduce the Piscine Stream Community Estimation System (PiSCES), a tool for estimating fish communities in U.S. streams.
  • To provide a centralized platform for accessing and analyzing freshwater fish species data.

Main Methods:

  • Integrated data from Nature Serve, USGS, StreamCat, and Peterson Field Guide.
  • Developed species-specific occurrence models for filtering fish assemblages.
  • Calculated community abundance/biomass distribution using relative abundance and mean body weight.

Main Results:

  • PiSCES hypothesizes fish communities for stream reaches across the conterminous U.S.
  • The system supports over 1000 native and non-native freshwater fish species.
  • Users can query for species-specific data, including habitat preferences and maximum size.

Conclusions:

  • PiSCES enhances the ability to estimate and understand freshwater fish communities in streams.
  • Future work will focus on improving species distribution accuracy and occurrence models.
  • The PiSCES tool is publicly accessible via the EPA's Quantitative Environmental Domain (QED) website.