Each of these Level 1 regions or states is divided
into a number of Level 2 provinces/districts (e.g. the Chiang Rai
region contains 21 districts). Detailed aquaculture data are available
in FAO's National Aquaculture Sector Overview (NASO)maps collection
Web site a at the district level and include information such
as farm types, species, cultivation areas, and production for 2008
(FAO, 2014). These data form the basis for overall upscaling of
model results