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Context <p>The spatial competitive relationship between wetland restoration and productive land expansion represents a core challenge in regional land use sustainability.</p> Objectives <p>This study aims to develop a deep learning framework capable of jointly capturing the spatiotemporal characteristics of land competition. It further seeks to understand changes in the competitive relationship between wetlands and productive land by combining predicted probability distributions with differences in feature contributions.</p> Methods <p>Using multi-source spatial data for the Yellow River Delta during 2001–2020, this study developed a CNN-LSTM spatiotemporal deep learning framework coupled with a CA-based neighborhood mechanism. Gini impurity and Integrated Gradients (IG) were introduced to analyze potential competition zones and differences in feature contributions to prediction results.</p> Results <p>The CNN-LSTM model achieved the best overall performance, with an FoM of 0.1534. The case results showed an overall trade-off pattern between wetlands and productive land. Higher Gini impurity values tended to occur in areas with more interspersed land use and more complex spatial patterns. IG results indicated different patterns of feature dependence in model discrimination. Wetlands were related to natural conditions and historical states, whereas productive land depended more on neighborhood structure and spatial agglomeration, with temporal variation in feature contributions.</p> Conclusions <p>Competition between wetlands and productive land is neither spatially uniform nor temporally static. It is more concentrated in complex transitional zones and shows different characteristics across stages. The framework developed in this study provides a methodological pathway for research on complex land systems in landscape ecology.</p>

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Revealing the competing mechanisms between land use development and restoration in wetland evolution: an interpretable deep learning approach

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月3日

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  • Zixia Zhang,
  • Shenbei Zhou,
  • Yeqing Duan,
  • Jiaping Hou,
  • Jing Ning

摘要

Context

The spatial competitive relationship between wetland restoration and productive land expansion represents a core challenge in regional land use sustainability.

Objectives

This study aims to develop a deep learning framework capable of jointly capturing the spatiotemporal characteristics of land competition. It further seeks to understand changes in the competitive relationship between wetlands and productive land by combining predicted probability distributions with differences in feature contributions.

Methods

Using multi-source spatial data for the Yellow River Delta during 2001–2020, this study developed a CNN-LSTM spatiotemporal deep learning framework coupled with a CA-based neighborhood mechanism. Gini impurity and Integrated Gradients (IG) were introduced to analyze potential competition zones and differences in feature contributions to prediction results.

Results

The CNN-LSTM model achieved the best overall performance, with an FoM of 0.1534. The case results showed an overall trade-off pattern between wetlands and productive land. Higher Gini impurity values tended to occur in areas with more interspersed land use and more complex spatial patterns. IG results indicated different patterns of feature dependence in model discrimination. Wetlands were related to natural conditions and historical states, whereas productive land depended more on neighborhood structure and spatial agglomeration, with temporal variation in feature contributions.

Conclusions

Competition between wetlands and productive land is neither spatially uniform nor temporally static. It is more concentrated in complex transitional zones and shows different characteristics across stages. The framework developed in this study provides a methodological pathway for research on complex land systems in landscape ecology.