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使用血统重建来估计野生动物丰富性的进展

Elias Rosenblatt¹, Scott Creel², Katherina Gieder³

¹Vermont Cooperative Fish and Wildlife Research Unit, Rubenstein School of Environment and Natural Resources University of Vermont Burlington Vermont USA.

Ecology and evolution

|October 23, 2023

概括

血统重建提供了一种精确的,非侵入性的方法来估计野生动物种群规模和趋势. 这种技术对危物种特别有效,即使在较小,低密度的地区,也可以准确评估丰度.

科学领域:

野生动物生态学和保护
人口遗传学和基因组学
生态建模和仿真生态建模和仿真

背景情况:

准确的野生动物种群指标 (丰富度,生长率,密度) 对于保护至关重要,特别是对于受威胁和危物种.
传统的丰富度估计方法涉及努力和精度之间的权衡.
血统重建是一种新兴的,使用遗传数据推断人口特征的非侵入性技术.

研究的目的:

评估血统重建对野生动物种群估计的有用性.
评估抽样工作,空间规模和人口密度对谱系重建准确性的影响.
开发方法来量化血统重建估计的精度.

主要方法:

采用了一种随机的,空间显式的模拟,对一群已建立关系的鹿 (Alces americanus) 进行模拟.
应用了血统重建,从模拟的遗传采样数据中推断出人口规模,趋势和密度.
开发并测试了新的启动置信区间,以获得估计精度.

主要成果:

血统重建准确估计了成年鹿种群规模和趋势.
人口估计反映了现存的总人口,而不仅仅是采样面积.
增加的抽样工作和更高的动物密度需要更大的抽样工作,以获得不偏见的估计.

结论:

血统重建是一种可行的,准确的方法来估计野生动物的丰富性和趋势.
该方法对测量较小区域和人口密度较低的人群特别有希望.
进一步的研究可以完善精度测量,并优化血统重建的采样策略.

关键词:

丰富的丰富的丰富的它们的密度是密度密度.血统重建的重建血统的重建人口监测,人口监测.模拟模拟是指一个模拟模拟.

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