tailieunhanh - Bioclimatic map of Tay Nguyen at scale 1:250,000 for setting up sustainable ecological economic models

Study of bioclimatic classification has both a scientific and practical significance. Bioclimatic classification provides an important information for mapping ecological landscape of Tay Nguyen; A bioclimatic resource assessment of a specific territory is a necessary scientific basis for proposing the development orientation of economic sectors and establishment of sample sustainable economic models in Tay Nguyen territory. | Vietnam Journal of Earth Sciences 36 (2014) 504-514 Vietnam Academy of Science and Technology Vietnam Journal of Earth Sciences (VAST) Website: Bioclimatic map of Tay Nguyen at scale 1:250,000 for setting up sustainable ecological economic models Nguyen Khanh Van1 , Pham Thi Ly1, Nguyen Thi Hong2 1 Institute of Geography, Vietnam Academy of Science and Technology, Hanoi, Vietnam 2 College of Education, Thai Nguyen University Received 15 November 2014 ABSTRACT A study on development of a system for bioclimatic classification criteria and construction of a bioclimatic map of Tay Nguyen region at scale of 1/250,000 was conducted, based on statistical analysis of bioclimatic characteristics of Tay Nguyen, comparing with those of other regions of Vietnam. The system of classification criteria was developed based on 4 factors, namely: mean annual temperature (TN), total annual rainfall (RN), length of cold season (N) and length of dry season length (n). The thermal-humid indicators, featuring seasonal constraints (for tropical plants) as well as the thresholds for their division, were selected based on the ecological characteristics of vegetation and their role for the formulation, structure, appearance of the natural vegetation types of Tay Nguyen region. Results showed bioclimatic resources of Tay Nguyen territory is rich and diverse reflecting in 23 different bioclimatic units of a total of 57 separate polygons. That partly explains the diversity of vegetation types of Tay Nguyen. Study of bioclimatic classification has both a scientific and practical significance. Bioclimatic classification provides an important information for mapping ecological landscape of Tay Nguyen; A bioclimatic resource assessment of a specific territory is a necessary scientific basis for proposing the development orientation of economic sectors and establishment of sample sustainable economic models in Tay Nguyen territory. Keywords: Bioclimatic .

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