对昆明-蒙特利尔全球生物多样性框架的遗传多样性指标的多国评估
Alicia Mastretta-Yanes1,2,3, Jessica M da Silva4,5, Catherine E Grueber6
1Consejo Nacional de Humanidades Ciencias y Tecnología (CONAHCYT), Ciudad de México, Mexico.
Ecology letters
|July 2, 2024
概括
新的遗传多样性指标有助于追踪昆明-蒙特利尔全球生物多样性框架下的物种保护. 许多物种的种群太小,无法维持遗传多样性,这表明目前的保护工作可能不足.
科学领域:
- 生态与保护生物学 生态与保护生物学
- 人口遗传学 人口遗传学
- 生物多样性监测 生物多样性监测
背景情况:
- 昆明 - 蒙特利尔全球生物多样性框架要求报告所有物种的遗传多样性.
- 两个关键指标侧重于保持基因上不同的种群,并确保足够的种群大小,以保护遗传多样性.
- 这些指标提供灵活性,允许用DNA数据或不使用DNA数据进行估计.
研究的目的:
- 评估新开发的基因多样性指标在不同种类和国家中的可行性和应用.
- 通过使用这些指标,在9个国家的919个种类中评估遗传多样性的状态.
- 突出当前保护评估在解决遗传状态方面的局限性.
主要方法:
- 利用了来自9个国家的5271个人口的数据,包括巨型多样化和发展中经济体.
- 计算了919种种类的遗传多样性指标,评估了各种来源和分类组的数据可用性.
- 将指标结果与现有保护评估进行比较,例如IUCN红色名单.
主要成果:
- 至少有一项指标的数据可用于83%的评估分类.
- 虽然大多数物种保持基因上不同的种群,58%的种群太小,无法维持遗传多样性.
- 遗传指标结果显示,目前的保护状况评估中存在差距.
结论:
- 开发的遗传指标可用于评估全球物种遗传多样性状况.
- 很大一部分物种面临着由于种群规模较小而造成的风险,威胁到遗传多样性.
- 必须将这些遗传指标纳入保护战略和报告框架.
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