InVEST-MCR model-based identification and optimization of ecological corridors for birds in Fengxian New City

HE Kun; TANG Yunze; MAO Xiang; ZHANG Deshun; LI Jie

doi:10.13300/j.cnki.hnlkxb.2026.01.005

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InVEST-MCR model-based identification and optimization of ecological corridors for birds in Fengxian New City

High-quality development of urban-rural with green integration | 更新时间：2026-11-05

- InVEST-MCR model-based identification and optimization of ecological corridors for birds in Fengxian New City
- Journal of Huazhong Agricultural University Vol. 45, Issue 1, Pages: 52-63(2026)
- 作者机构：
  
  1.上海应用技术大学城市建设与生态技术学部，上海 201400
  2.同济大学建筑与城市规划学院，上海 200092
- 作者简介：
- 基金信息：
- DOI：10.13300/j.cnki.hnlkxb.2026.01.005
  CLC： X171.1;Q958
- Received：14 September 2025，
  
  Published：15 January 2026
- 稿件说明：
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贺坤，唐运泽，卯响，等.基于InVEST-MCR模型的奉贤新城鸟类生态廊道识别与优化［J］.华中农业大学学报，2026，45（1）：52‐63.

HE Kun,TANG Yunze,MAO Xiang,et al.InVEST-MCR model-based identification and optimization of ecological corridors for birds in Fengxian New City[J].Journal of Huazhong Agricultural University,2026,45(01):52-63.
贺坤，唐运泽，卯响，等.基于InVEST-MCR模型的奉贤新城鸟类生态廊道识别与优化［J］.华中农业大学学报，2026，45（1）：52‐63. DOI： 10.13300/j.cnki.hnlkxb.2026.01.005.

HE Kun,TANG Yunze,MAO Xiang,et al.InVEST-MCR model-based identification and optimization of ecological corridors for birds in Fengxian New City[J].Journal of Huazhong Agricultural University,2026,45(01):52-63. DOI： 10.13300/j.cnki.hnlkxb.2026.01.005.

摘要

生态廊道识别与构建是维系生态系统完整性与促进物种迁移的重要手段，为了构建科学、可实施的鸟类生态廊道识别与优化框架，以快速城市化的上海市奉贤新城为研究区域，选取麻雀（

Passer montanus

）、乌鸫（

Turdus merula

）、黑水鸡（

Gallinula chloropus

）、牛背鹭（

Bubulcus coromandus

）4种常见鸟类为焦点物种，综合运用生态系统服务和权衡的综合评估模型（InVEST）与最小累积阻力（MCR）模型模拟区域生态廊道格局，并结合实地调查数据建立评价指标体系进行验证。结果显示：4种鸟类的符合高质量生境标准的斑块面积总和（即生态源地面积）分别为18.2、19.3、10.4和13.5 km²，主要分布于林地、

灌草地、耕地及河塘；共识别出66条生态廊道，奉贤新城核心区廊道数量较少，断裂风险高、连接度弱，而外围水域、农田与林地密集区形成了相对完整的廊道网络；优化后4种鸟类廊道控制点偏离度分别降低0.25、0.15、0.16和0.27，生态连通性显著提升。

Abstract

The identification and construction of ecological corridors for birds are important means to maintain the integrity of ecosystem and promote the migration of species.A scientific and feasible framework for identifying and optimizing ecological corridors for birds was constructed in Fengxian New City， a rapidly urbanizing area in Shanghai.4 common bird species including eurasian tree sparrow （

Passer montanus

）， common blackbird （

Turdus merula

）， common moorhen （

Gallinula chloropus

）， and eastern cattle egret （

Bubulcus coromandus

） were selected as focal species to simulate the pattern of regional ecological corridors with InVEST model and MCR model and establish an evaluation index system based on the data of field survey for verification.The results showed that the total area of patches （i.e.the area of ecological source） meeting the standards of high-quality habitat for the 4 bird species was 18.2 km²， 19.3 km²， 10.4 km²， and 13.5 km²， respectively， mainly distributed in woodlands， shrub grasslands， farmlands， and ponds.66 ecological corridors were identified， with fewer corridors in the core area of Fengxian New City， with a high risk of fragmentation and weak connectivity， while a relatively complete network of corridor was formed in the peripheral water bodies， farmlands， and densely forested areas.The deviation of control-points after optimization for the 4 bird species decreased by 0.25， 0.15， 0.16， and 0.27， respectively， and the ecological connectivity was significantly improved.It will provide a scientific basis for the construction and ecological restoration of corridors for birds in Fengxian New City， and offer a technical reference for the planning of the ecological corridors in similar rapidly urbanizing regions， which helps to promote the int

egration of urban–rural green and high-quality development of ecological spaces in cities.

关键词

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references

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