The Creation of Bioclimatic Vegetation Map to Develop Sustainable Agro Forestry in Ba and Kone River Basin, Vietnam

Abstract

Bioclimate and natural vegetation have a long - term relationship that identify the potential vegetation distribution at different areas. For that reason, bioclimatic classification system was applied to the territory of Ba and Kone river basin, Vietnam. The precipitation and temperature dataset of Ba and Kone river basin was collected from 17 climate, hydrology, rain gauge stations which allowed to create a bioclimatic map at a scale of 1:250.000. Three bioclimatic factors of thermal-moisture basic conditions such as annual temperature (TN), annual rainfall (RN), length of dry season (n) are selected as criteria system of Ba and Kone river basin’s bioclimate. In order to describe the relationships between bioclimatic variables and zonal vegetation units, the resulting map presented 12 bioclimatic units corresponding distribution of vegetation from low to high altitudes. By building bioclimatology map in Ba and Kone river basin, the government can develop sustainable agro forestry in Central Highlands and South Central Coast of Vietnam.

Diversity of Bacterial Communities in Sediment in Inland Water Bodies in Relation to Environmental Factors and Human Impacts: A Case Study on Typical Regions in Vietnam

“…14-33 • C and from 1400 mm to 2000 mm, respectively) and clearly with seasons [28], and with diverse vegetation and soil types changing with height and along the river length [29]; (ii) the Ba river region has a more typical tropical climate of central Vietnam with less monsoon effects, less fluctuating temperature (from ca. 21-27 • C), but precipitation changing with the seasons (1200-2600 mm, the most during rainy season from June to September) [30], and thus with typical tropical and sub-tropical vegetation and soil types (being also diverse, although less than those of the Red river region) [31]; (iii) the Mekong delta flood zone is a typical inland water body of southern Vietnam, having a monsoon subequatorial tropical climate, with moderate temperatures (26-27 • C on average) that vary among months only by 3 • C, with precipitation ranging from 1200 mm up to 2500 mm (solely in rainy season from May to November) [32], and thus with typical wetland vegetation [33]. The river sediment samples were taken both in the dry season (those having their labels ending with "K") and the rainy season (those having their labels ending with "M").…”