Using GIS to check co-ordinates of genebank accessions

R.J. Hijmans, M. Schreuder, J. de la Cruz, L. Guarino

Research output: Contribution to journalArticleAcademicpeer-review

70 Citations (Scopus)


The geographic co-ordinates of the locations where germplasm accessions have been collected are usually documented in genebank databases. However, the co-ordinate data are often incomplete and may contain errors. This paper describes procedures to check for errors, to determine the cause of these errors and to assign new co-ordinates, using Geographical Information Systems (GIS). These procedures can assist in improving the quality of genebank databases, and with that, increase the capability for analysis and use of crop genetic diversity.
Original languageEnglish
Pages (from-to)291-296
JournalGenetic Resources and Crop Evolution
Publication statusPublished - 1999


  • Biological collections
  • Database
  • Documentation
  • Genebank
  • Geographic co-ordinates
  • GIS
  • Maps


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