Data requirement of SNA and ENRA at the ground of basic data and estimated data in accounting framework is suggestion expressed in Annex 2. Since economic and social factors has effects on environment, it is very important to construct those data or indicators as shown in (Annex 3 & 4) and quality of life and social development indicators in Annex 5 as well. Data from sets of social statistics can be combined with economic and ecological data when figures generated by natural resources accounting are being used as materials for research, analysis, forecasting or modeling.
According to policies and measures in development plans, environmental impacts assessment (EIA), activities/industries requesting for licences whose listed for EIA has to prepare EIA by regulation. Many standard levels for environmental control were set as criteria for regulation. Conduct EIA including feasibility study for those projects, details in study and valuation of costs and benefits can be of use in methodology and data required for ENRA. Valuation in such manner mainly made by research institutes and universities.
For ENRA particularly, is just at early stage of pilot studies made by NESDB. Forest sector was taken up for accounting of the year 1990 with jointed study with IDE of Japan. Accounting framework, classification, estimation methods are made in the form of sector/commodity and mass balancing system as compiled in Nordic countries (see Annex 8). Another project supported by IDE is energy account of the year 1995 using input-output approach .
V. Conclusion and Recommendation
To carry out ENRA in Thailand in practical way we needed (1) Establish official unit responsible for ENRA in NESDB (2) Execution should be formed like research project with clear objectives and work plan under steering committee (chaired by NESDB executive) comprises representatives of most related official / private organizations.(3) Policy and budgets supported at high priority. (4) ENRA approach should follow 1993 SNA and SEEA wherever deserved and practical as policy required.
