Xây dựng bộ tiêu chí và bước đầu đánh giá hiệu quả mô hình kè sinh thái kết hợp trồng cây chống sạt lở, bảo vệ bờ sông Ba, tỉnh Gia Lai

Abstract

The Ba river plays an important role in the life, culture and society of the indigenous inhabitants in Gia Lai province. However, at present, under the impact of climate change, human activities, the Ba river bank was been landslide, with many dangerous sites. Therefore, streambank soil bioengineering model to prevent erosion and landslide in the study area was necessary. The set of criteria to evaluate the effectiveness of the model was 6 criteria: (1) Plant survival rate. (2) Growth and renewal of plants. (3) Bank stability. (4) View. (5) The economic and environmental efficiency of the model. According to the set of criteria, the effectiveness of the model in NuB village, Ia Rsom commune, Krong Pa district was achieved a number of results such as living, growing of plants, bank stability, bettering view and the economic and environmental efficiency of the model about 9,177,739 VND/year.