3.5 Socio-economic analysis 3.5.1 Population targets and sampling The population t a rg e t s i n BTN watershed was 7 villages with totally 1,432 households while, 3 villages in HS with totally 770 households; 96 households of BTN and HS watershed were sampled. Sampling methods were based on Yamane (1973). 3.5.2 Data collection Interviews of the heads of sampled households was conducted by using questionnaire divided into four parts: Part I: Population characteristics and sanitation, Part II: Utilization of natural resources and environment, Part III: Understanding of social forest law and conservation and Part IV: People participation in natural resource conservation. IV. Results and discussion 4.1 Land use change As shown in Fig.4 and Table 2, BTN watershed, land use mostly changes to villages and communities whereas forest and agricultural lands showed a slight decrease. For HS watershed, villages and communities also had significant increases while agricultural and miscellaneous areas recorded a dramatic decrease. Fig.4 Land use change of the study watersheds (for the years 2009 and 2015) 258 Proceedings of the International Conference on Climate Change, Biodiversity and Ecosystem Services for the Sustainable Development Goals (SDGs): Policy and Practice 27-29 June 2016, Cha-am, Phetchaburi, Thailand
Proceedings of International Conference on Climate Change, Biodiversity and Ecosystem Services for the Sustainable Development Goals : Policy and Practice 27-29 June 2016 at the Sirindhorn International Environmental Park, Cha-am, Phetchaburi, Thailand
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