全球菌根菌富热点受到保护不足
Michael E Van Nuland1, Colin Averill2,3, Justin D Stewart4,5
1Society for the Protection of Underground Networks (SPUN), Dover, DE, USA. michael@spun.earth.
Nature
|July 23, 2025
概括
菌根真菌是重要的生态系统工程师, 但它们的全球分布是未知的. 这项研究绘制了真菌多样性的地图,
科学领域:
- 生态学
- 菌群学
- 生物多样性科学
背景情况:
- 菌根真菌对植物生命和生态化学循环至关重要.
- 菌根真菌生物多样性的全球分布在很大程度上是未知的,阻碍了保护工作.
- 与植物和动物相比, 地下生态系统仍未得到充分研究.
研究的目的:
- 预测和绘制全球丰富性和稀有性的树状菌根和生菌菌根真菌.
- 确定多样化和特有菌根菌群的关键储存库.
- 评估菌根菌热点的保护状况.
主要方法:
- 机器学习算法使用全球25,000个地理位置的土壤样本进行训练.
- 分析了超过28亿个真菌DNA序列.
- 产生了高分辨率的真菌多样性的全球范围地图.
主要成果:
- 全球地图预测了树状菌的丰富性和稀有性.
- 确定了高度多样化和特有菌根群体的关键储存库.
- 目前预计菌根丰富的热点中只有不到10%位于保护区内.
结论:
- 这项研究揭示了地球地下生态系统的隐藏组成部分.
- 这些发现为确定菌根真菌的保护优先级提供了关键数据.
- 结果可以为监测基准,恢复计划和土地管理策略提供信息.
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