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Related Experiment Video

Updated: Jul 11, 2025

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon
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Mapping landscape ecological patterns using numeric and categorical maps.

Kurt Riitters1, Peter Vogt2

  • 1United States Department of Agriculture, Forest Service, Research Triangle Park, North Carolina, United States of America.

Plos One
|November 15, 2023
PubMed
Summary
This summary is machine-generated.

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GraySpatCon is an open-source tool that calculates landscape pattern metrics from categorical or numeric maps. It supports both patch-corridor-matrix and landscape gradient models, offering an advantage in computational efficiency.

Area of Science:

  • Landscape Ecology
  • Spatial Analysis
  • Geographic Information Systems (GIS)

Background:

  • Landscape ecology traditionally uses categorical maps and the patch-corridor-matrix model.
  • Numeric landscape features and the landscape gradient model receive less attention.
  • A need exists for tools that integrate both models and data types.

Purpose of the Study:

  • Introduce GraySpatCon, an open-source tool for calculating landscape pattern metrics.
  • Enable analysis of both categorical and numeric raster maps.
  • Support both patch-corridor-matrix and landscape gradient conceptual models.

Main Methods:

  • GraySpatCon calculates 51 landscape pattern metrics from pixel value frequencies and adjacencies.
  • The tool supports moving window analysis for continuous maps and global analysis for single values.

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Last Updated: Jul 11, 2025

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  • Implementation in GuidosToolbox and R desktop environments is described.

    • Main Results:

    • GraySpatCon effectively calculates a variety of landscape pattern metrics from diverse map types.
    • Moving window analysis can identify scale domains, as demonstrated with percent tree cover data.
    • GraySpatCon shows a substantial computational efficiency advantage over related R software.

    Conclusions:

    • GraySpatCon provides a versatile and efficient solution for landscape pattern analysis.
    • The tool facilitates the integration of categorical and numeric data in landscape ecology.
    • GraySpatCon enhances the exploration of landscape patterns across different scales and models.