Temporal annual and seasonal NDVI variation of Sagarmatha national park, Nepal and its relationship with precipitation and soil moisture
Authors/Creators
- 1. Key Laboratory of Alpine Ecology, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 100101, China
- 2. Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences (CAS), Beijing 100101, China
- 3. Key Laboratory of Tibetan Environment Changes and Land Surface Processes, Institute of Tibetan Plateau Research, Chinese Academy of Science, Beijing, 100101, China
Description
The researches related to the national parks are important for detecting changes, managing and protecting resources in them. The vegetation change study is more vital as vegetation is the part of every ecosystems and functioning of the park. There had been limited study regarding vegetation changes and impact of climatic and environmental factor on greenery in Nepal. To fill this gap, our study applied satellite based NDVI, precipitation and soil moisture data to inspect changes in vegetation and their relation with climatic variables in Sagarmatha National Park (SNP). Our study revealed that the greenery contributors, forests, shrubs, grasslands and agricultural lands had increased during period of 2000-2018. These changes was due to reverse effect of both precipitation and soil moisture. In light of these findings, we assured that the greenery of the park was well preserved during these 18 years. Our research provided ecological and social implication for the SNP region as plan and polices regarding wellbeing of both vegetation and local dwellers could be formulated based on vegetation condition of park.