Journal of Geographical Sciences

, Volume 29, Issue 7, pp 1193–1210 | Cite as

Integration of InVEST-habitat quality model with landscape pattern indexes to assess mountain plant biodiversity change: A case study of Bailongjiang watershed in Gansu Province

  • Jie Gong
  • Yuchu XieEmail author
  • Erjia Cao
  • Qiuyan Huang
  • Hongying Li


Mountains in western China, hosted rich biodiversity and millions of people and inhabitant with vital ecosystem services, had experienced the most serious biodiversity loss with fragile ecological problems. Even though increasing attentions had been paid to this issue, we still lacked efficient methods to assess the change of plant biodiversity at medium/large scale due to the poor data and co-existing multiple habitat types. This study proposed an integrated method combining InVEST-habitat quality model, NPP and landscape pattern indexes to analyze the spatial heterogeneity of plant biodiversity and its spatiotemporal change on raster cell scale. The results indicated that plant biodiversity service was high in Bailongjiang watershed with obvious spatial pattern variations. The land area containing higher plant biodiversity were 3161 km2, which mainly distributed in the National Nature Reserve and forestry area. While the areas with lower plant biodiversity accounted for 37.67% and mainly distributed in the valleys between Zhouqu-Wudu-Wenxian County, the valley of Minjiang in Tanchang County and alpine mountain snow-covered regions. During 1990–2010, plant biodiversity level tended to increase and the higher plant biodiversity area increased from 14.13% to 17.15% due to ecological restoration and afforestation, while plant biodiversity decreased in the area with intensive human activities, such as cultivated land, urban and rural land. The results showed that combining InVEST-habitat quality model, NPP and landscape pattern indexes can effective reveal mountain plant biodiversity change. The study was useful for plant biodiversity conservation policy-making and human activity management for the disaster-impacted mountainous areas in China.


spatial change habitat quality landscape pattern plant biodiversity conservation InVEST model Bailongjiang watershed in Gansu Province 


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We owe a great debt to Dr. Zehao Shen, an excellent researcher of biodiversity and landscape ecology of Peking University, Dr. Vanessa Hull, an assistant professor of University of Florida, USA with research interests on landscape ecology and natural conservation for assistance on the improvement of data analysis and English writing. Finally, we would like to thank the anonymous reviewers and the editors for their helpful comments that improved the manuscript substantially.


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Copyright information

© Science in China Press 2019

Authors and Affiliations

  • Jie Gong
    • 1
  • Yuchu Xie
    • 1
    • 2
    • 3
    Email author
  • Erjia Cao
    • 1
  • Qiuyan Huang
    • 2
  • Hongying Li
    • 1
  1. 1.Key Laboratory of Western China’s Environmental Systems (Ministry of Education), College of Earth and Environmental SciencesLanzhou UniversityLanzhouChina
  2. 2.Key Laboratory of Environment Change and Resources Use in Beibu Gulf (Ministry of Education)Nanning Normal UniversityNanningChina
  3. 3.Key laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical AgricultureCASChangshaChina

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