Assessing ecological suitability and proposing planning solutions for development of Tarrietia javanica Blume in Quang Binh province

Abstract

The study is aimed to identification of land suitabilty for Tarrietia javanica to provide a scientific basis for the sustainable development of this species in Quang Binh province. The objective of the study was to integrate the influenced ecological factors by applying the weighted linear combination (WLC) model in GIS to establish a land suitability map for Tarrietia javanica in Quang Binh province. The study determined the weights of ecological factors by using the Fuzzy Analytic Hierarchy Process (FAHP) combined with the classification of the Landsat 8 OLI images taken in February 2021, and field survey data. The results showed that the land suitabilty area of Tarrietia javanica is 134,690.3 ha (accounted for 16.7% of the total natural area); The potential area for restoration of Tarrietia javanica in Quang Binh according to priority levels: lever 1 (accessibility to road network ≤ 2,000 m) level 2 (accessibility to road network from > 2,000 m to 4,000 m), and level 3 (accessibility to road network from > 4,000 m to 6,000m) was 58,955.1 ha (accounted for 7.31%); 47,352 ha (accounted for 5.87%) and 28,383.2 ha (accounted for 3.52%), respectively