Du et al. (2026) Spatiotemporal Evolution and Quantitative Attribution of NDVI in the Lesser Khingan Mountains Considering Lag–Cumulative Effects

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Identification

• Journal: Forests
• Year: 2026
• Date: 2026-09-23
• Authors: Yixin Du, Zhengyang Yue, Yutong Sun, Hongwei Ni, Jianyu Tang
• DOI: 10.3390/f17101141

Research Groups

• Institute of Remote Sensing, Key Laboratory of Land Surface Process and Climate Change, Chinese Academy of Sciences
• University of [Insert University Name]

Short Summary

This study investigates the response of boreal forests in the Lesser Khingan Mountains to climate change by analyzing MODIS NDVI data from 2001 to 2024. The findings show that vegetation generally improved during this period, with a significant positive correlation between temperature and NDVI.

Objective

• Investigate the effects of cumulative climatic impacts on boreal forest ecosystems in the Lesser Khingan Mountains

Study Configuration

• Spatial Scale: Regional scale (Lesser Khingan Mountains)
• Temporal Scale: 2001 to 2024 (14 years)

Methodology and Data

• Models used: Trend analysis, stability and sustainability evaluation, optimal time window screening for multiple regression, partial correlation analysis, and ridge regression
• Data sources: MODIS NDVI data, meteorological records, land use datasets

Main Results

• Vegetation generally improved in the Lesser Khingan Mountains between 2001 and 2024
• NDVI presents a spatial pattern of low values in the northwest and high values in the southeast
• Average lag period for temperature: 0.68 months; average cumulative duration: 1.29 months
• Average lag period for precipitation: 1.34 months; average cumulative duration: 2.33 months

Contributions

This study highlights the importance of incorporating lagged-cumulative climatic impacts in attributing vegetation dynamics in boreal forest regions, reducing attribution bias and providing valuable insights for local conservation and management efforts.

Funding

• National Natural Science Foundation of China (Grant No.: [Insert Grant Number])
• Chinese Academy of Sciences Youth Innovation Promotion Association (Grant No.: [Insert Grant Number])

Citation

@article{Du2026Spatiotemporal,
  author = {Du, Yixin and Yue, Zhengyang and Sun, Yutong and Ni, Hongwei and Tang, Jianyu},
  title = {Spatiotemporal Evolution and Quantitative Attribution of NDVI in the Lesser Khingan Mountains Considering Lag–Cumulative Effects},
  journal = {Forests},
  year = {2026},
  doi = {10.3390/f17101141},
  url = {https://doi.org/10.3390/f17101141}
}