Journal of Geographical Sciences ›› 2018, Vol. 28 ›› Issue (4): 415-428.doi: 10.1007/s11442-018-1481-1

• Research Articles • Previous Articles     Next Articles

Ecosystem assessment and protection effectiveness of a tropical rainforest region in Hainan Island, China

Jun ZHAI1(), Peng Hou1(), Wei CAO2, Min YANG1, Mingyong CAI1, Jing LI1   

  1. 1. Satellite Environment Center, Ministry of Environmental Protection of the People’s Republic of China, Beijing 100094, China
    2. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
  • Received:2017-10-13 Accepted:2017-11-30 Online:2018-03-30 Published:2018-03-30
  • About author:

    Author: Zhai Jun (1985-), Associate Professor, specialized in ecological remote sensing. E-mail: zhaij@lreis.ac.cn

    *Corresponding author: Hou Peng (1978-), Professor, specialized in ecological assessment. E-mail: houpcy@163.com

  • Supported by:
    National Key R&D Program of China, No.2017YFC0506506, No.2016YFC0500206;National Natural Science Foundation of China, No.41501484

Abstract:

Ecosystem services have become one of the core elements of ecosystem management and evaluation. As a key area of ecosystem services and for maintaining national ecological security, ecosystem changes and implementation effect evaluation are important in national key ecological function zones, for promoting the main function zone strategy and for improving the construction of an ecological civilization. This article studies the ecological zone of a tropical rainforest region in the central mountain area of Hainan Island, China. Multi-source satellite data and ground observation statistics are analyzed with geo-statistics method and ecological assessment model. The core analysis of this paper includes ecosystem patterns, quality and services. By means of spatial and temporal scale expansion and multidimensional space-time correlation analysis, the trends and stability characteristics of ecosystem changes are analyzed, and implementation effect evaluation is discussed. The analysis shows a variety of results. The proportion of forest area inside the ecological zone was significantly higher than the average level in Hainan Island. During 1990-2013, settlement gradually increased inside the ecological zone. After implementation of the zone in 2010, human activity intensity increased, with the main land use being urban construction and land reclamation. Water conservation in the ecological function zone was higher than that outside the zone. In general, it increased slightly, but had obvious fluctuations. Soil conservation inside the zone was also better than that outside. However, it demonstrated dramatic fluctuations and relatively poor stability during 1990-2013. The human disturbance index inside the zone was significantly lower than that outside, and had a lower biodiversity threat level. Especially in 2010-2013, the increased range of the human disturbance index inside the zone was significantly less than that outside.

Key words: ecological function zone, ecosystem, ecosystem service, protection effect