连接时空分布以提供更具信息性的人口状况和管理建议
Qingpeng Han1, Xiujuan Shan2,3,4,5, Harry Gorfine6
1Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China.
Scientific reports
|July 9, 2025
概括
这项研究将物种分布与剩余生产模型相结合,以更好地评估渔业种群. 新的框架显示,黄海的Trichiurus lepturus种群正在恢复,有助于有针对性的保护工作.
科学领域:
- 渔业 科学 渔业 科学
- 海洋生态海洋生态学
- 人口动态 人口动态
背景情况:
- 有效的渔业管理依赖于准确的库存评估.
- 剩余生产模型 (SPM) 被广泛使用,但缺乏空间数据.
- 整合空间信息可以改善库存状况的理解和管理.
研究的目的:
- 将物种的时空分布 (STD) 与剩余生产模型 (SPM) 结合起来,以提高库存评估.
- 为渔业管理提供准确的生物质指数和关键息地评估.
- 为了证明框架对在黄海大型海洋生态系统 (YSLME) 中管理Trichiurus lepturus的实用性.
主要方法:
- 开发了一个结合STD-SA框架,整合了物种分布和剩余生产模型.
- 利用该框架评估在YSLME的Trichiurus lepturus种群状况.
- 分析了人口趋势,生物质指数和息地适宜性.
主要成果:
- 自2017年以来,YSLME的Trichiurus lepturus种群已经恢复到健康状态 (98.2%的概率).
- 波海需要在YSLME范围内特别关注保护.
- 该种群显示出进一步开发的潜力,需要针对本地化息地波动进行有针对性的干预.
结论:
- 结合STD-SA框架提供准确的生物质指数和息地评估,用于精细的渔业管理.
- 该框架成功确定了Trichiurus lepturus的恢复情况,并突出了保护和管理的领域.
- 这种方法促进了针对性的干预,以应对局部库存波动,并确保可持续的渔业.
相关概念视频
Analysis of Population Pharmacokinetic Data
394
Analysis of population pharmacokinetic data involves studying the behavior of drugs within diverse populations to understand their pharmacokinetic parameters. Traditional pharmacokinetic methods typically involve collecting samples from a few individuals and estimating these parameters. While these methods are commonly used, they have limitations in capturing the variability in drug response among individuals or heterogeneous populations. Population pharmacokinetics is employed to address these...
394
Conservation of Declining Populations
9.8K
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
9.8K
Distribution and Dispersion
22.4K
To understand intra-specific interactions in populations, scientists measure the spatial arrangement of species individuals. This geographic arrangement is known as the species distribution or dispersion. Highly territorial species exhibit a uniform distribution pattern, in which individuals are spaced at relatively equal distances from one another. Species that are highly tied to particular resources, such as food or shelter, tend to concentrate around those resources, and thus exhibit a...
22.4K
What are Populations and Communities?
34.9K
Overview
34.9K
Conservation of Small Populations
13.7K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
13.7K
Distributions to Estimate Population Parameter
4.3K
The accurate values of population parameters such as population proportion, population mean, and population standard deviation (or variance) are usually unknown. These are fixed values that can only be estimated from the data collected from the samples. The estimates of each of these parameters are sample proportion, the sample mean, and sample standard deviation (or variance). To obtain the values of these sample statistics, data are required that have particular distribution and central...
4.3K


