Data in Brief (Aug 2023)

A dataset on the geographical distribution, bounds, and reed cover of Hungarian fishponds

  • Priya Sharma,
  • Mónika Varga,
  • György Kerezsi,
  • Balázs Kajári,
  • Béla Halasi-Kovács,
  • Emese Békefi,
  • Márta Gaál,
  • Gergő Gyalog

Journal volume & issue
Vol. 49
p. 109354

Abstract

Read online

This paper presents geospatial datasets, figures, and tables illustrating i) the location and total area of fish farms under cultivation; and ii) the spatiotemporal dynamics of reed cover in Hungarian fishponds generated from the published study of Sharma et al., [1]. Preliminary data for fish farm locations were obtained from the Institute of Agricultural Economics (AKI), followed by significant refinement based on high-resolution Google Earth Pro-imagery. The fishpond area dataset was validated against the values reported in annual statistical reports on aquaculture. In order to map reed vegetation freely available Sentinel-2 imagery (between 2017 and 2021) was accessed from the Copernicus Open Access Hub [2] and emergent macrophyte cover was classified using the NDVI-based threshold values [1]. Scientists, policymakers, and fish farmers can all benefit from such geospatial datasets. It could be used to monitor the extent of fishponds in Hungary and to design farm-level reed management plans to optimize the provision of ecological and production services.

Keywords