评估丰富度-适合性模型,以优先考虑南美洲矮鱼的保护区
Andrés L Rodriguez-Cordero1, Sergio A Balaguera-Reina2, Brandon A Gross1
1Department of Biological Sciences Texas Tech University Lubbock Texas USA.
Ecology and evolution
|September 2, 2024
概括
整合物种分布模型 (SDM) 和物种丰度模型 (SAM) 对于有效的生物多样性保护至关重要. 这项研究将SDM和SAM结合起来,优先考虑矮鱼的保护,揭示了需要保护的关键区域,其中许多目前没有得到保护.
科学领域:
- 生态生态学 生态生态学
- 保护生物学 保护生物学
- 生物多样性科学 生物多样性科学
背景情况:
- 物种分布模型 (SDM) 和物种丰度模型 (SAM) 对于理解空间生态和生物多样性保护中的人口动态至关重要.
- 然而,息地适应性和物种丰度模式在物种范围内可能会有所不同,这使得独立的SDM或SAM在保护计划中可能不完整.
研究的目的:
- 评估南美矮海门 (Paleosuchus palpebrosus和P. trigonatus) 的丰度和环境适应性之间的关系.
- 整合SDM和SAM以优先考虑保护这些鱼物种的地区.
主要方法:
- 开发了使用7个环境预测集,通用线性模型 (GLM) 和通用添加模型 (GAM) 的分布和丰度模型,具有各种分布 (二项式,Poisson,负二项式,Gamma).
- 利用最好的预测模型将地区分类为保护优先级 (低,中,高,非常高).
- 通过将最佳SDM和SAM信息结合起来,创建了一个共识模型.
主要成果:
- 发现环境适合预测丰富性的不一致和低解释力,与之前的SDM-SAM关系研究一致.
- 共识模型覆盖了2,790,583平方公里,其中2.8%被指定为非常高的保护优先级.
- 确定了279,338平方公里需要关键的保护优先级,目前只有29%处于保护之下.
结论:
- 来自集成SDM和SAM的最佳相关模型可以为保护优先级提供一个系统的方案.
- 这种方法为量化生态模式提供了有价值的见解,并指导了矮鱼的生物多样性保护工作.
- 对于高度优先考虑的地区,迫切需要采取保护行动,其中许多地区缺乏现有保护.
关键词:
它们中的一个是Paleosuchus palpebrosus.它们中的一个是Paleosuchus trigonatus.一般化的增材模型.一般化的线性模型.空间生态学 空间生态学种类丰度模型 种类丰度模型种类分布模型,物种分布模型.更多相关视频
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