Natural Vegetation Changes and Their Driving Mechanism in the Northeast of the Qinghai–Tibet Plateau Between 1726 and 1934

DOI

10.2991/978-94-6463-910-0_30How to use a DOI?

Keywords

Natural vegetation changes; Human activities; Driving mechanism; Qinghai–Tibet Plateau

Abstract

The reconstruction of past land use and land cover changes in the Qinghai–Tibet Plateau has been based mainly on pattern reconstruction, and there have been few studies of organically combining the effects of human activity with land-cover changes. Based on the reconstructed historical LULCC data of cropland, forest, shrub, and grassland, this study is combined with the changes of cropland representing human activities during the corresponding period, an analysis of how human activities have impacted on the natural vegetation and a description of the land cover changes resulting from human activities at the regional scale. Our major conclusions are as follows: (1) To better depict the land cover changes resulting from human activities in the historical period at typical region of the Qinghai-Tibet Plateau, we designed three intensity index of human activities affecting natural vegetation. (2) Combing with using the three intensity index and the leading human factors, the natural vegetation changes in the Hehuang Valley in corresponding period can be divided into five main periods. (3) The different types of natural vegetation reclaimed by humans were not only affected by the natural environment and policy factors but also by the degree of human understanding of the ecological environment.(4) In the Hehuang Valley, the range and intensity of human reclaimed different natural vegetation types may had threshold throughout the history. Within this threshold, the agriculture could normally develop, otherwise the ecological environment will be damaged.

Copyright

© 2025 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Zhiqiang Hu
AU  - Zhilei Wu
PY  - 2025
DA  - 2025/12/15
TI  - Natural Vegetation Changes and Their Driving Mechanism in the Northeast of the Qinghai–Tibet Plateau Between 1726 and 1934
BT  - Proceedings of the 2025 2nd International Symposium on Agricultural Engineering and Biology (ISAEB 2025)
PB  - Atlantis Press
SP  - 280
EP  - 295
SN  - 2468-5747
UR  - https://doi.org/10.2991/978-94-6463-910-0_30
DO  - 10.2991/978-94-6463-910-0_30
ID  - Hu2025
ER  -