The application of geostatistics in mapping and assessment of demersal resources. Nephrops norvegicus (L.) in the northwestern Mediterranean: a case study

• Autores: Francesc Maynou Hernández
• Localización: Scientia Marina, ISSN 0214-8358, Vol. 62, Nº. Extra 1, 1998, págs. 117-133
• Idioma: varios idiomas
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• Resumen

  • The application of geostatistics in mapping and assessing demersal resources is reviewed. The basic summary of the methodology is illustrated with a case study on data for Nephrops norvegicus off Barcelona (NE Spain) over commercial fishing grounds. The geostatistical analysis revealed that N. norvegicus is distributed over the continental slope in high-density patches of ~ 7 km, alternating with areas of low density. Mapping by disjunctive kriging helped visualize the spatial distribution of the resource and identified areas where the resource abundance was of commercial level.