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<p>Effective conservation relies on robust assessments; however, the lack of waterbird data in the Yellow River Basin (YRB) has led to an underestimation of key habitat significance. This study addressed this gap by evaluating YRB wetland conservation importance using waterbirds as indicators and applying Ramsar, Important Bird Areas (IBA), and East Asian-Australasian Flyway (EAAF) criteria. We integrated coordinated surveys with citizen science data, creating a framework that tackles data deficiencies along the under-monitored Central Asian Flyway (CAF). Our analysis identified 75 priority wetlands, supporting 15 threatened species and 49 exceeding global/flyway 1% thresholds, highlighting the basin’s biodiversity. We observed strong seasonal habitat use, with high-altitude wetlands vital for breeding and migration, and the Yellow River Delta providing year-round refuge. This research also provided data to refine Baer’s Pochard population estimates. Alarmingly, one-third of the identified priority areas, primarily rivers and lakes, remain unprotected. To address this, we recommend systematic surveys, enhanced protected areas, OECMs, and targeted wetland restoration. This study underscores the YRB’s role in regional conservation and provides essential data for adaptive management, particularly emphasizing the CAF’s importance.</p>

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Seasonal waterbird utilization highlights wetland conservation significance in the Yellow River Basin and its role in the Central Asian Flyway

  • 期刊论文

  • 发表日期：

    2026年1月28日

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  • Shaoxia Xia,
  • Chunxiao Wang,
  • Xiubo Yu,
  • Zhengwang Zhang,
  • Jianbin Shi

摘要

Effective conservation relies on robust assessments; however, the lack of waterbird data in the Yellow River Basin (YRB) has led to an underestimation of key habitat significance. This study addressed this gap by evaluating YRB wetland conservation importance using waterbirds as indicators and applying Ramsar, Important Bird Areas (IBA), and East Asian-Australasian Flyway (EAAF) criteria. We integrated coordinated surveys with citizen science data, creating a framework that tackles data deficiencies along the under-monitored Central Asian Flyway (CAF). Our analysis identified 75 priority wetlands, supporting 15 threatened species and 49 exceeding global/flyway 1% thresholds, highlighting the basin’s biodiversity. We observed strong seasonal habitat use, with high-altitude wetlands vital for breeding and migration, and the Yellow River Delta providing year-round refuge. This research also provided data to refine Baer’s Pochard population estimates. Alarmingly, one-third of the identified priority areas, primarily rivers and lakes, remain unprotected. To address this, we recommend systematic surveys, enhanced protected areas, OECMs, and targeted wetland restoration. This study underscores the YRB’s role in regional conservation and provides essential data for adaptive management, particularly emphasizing the CAF’s importance.