波罗的海海,鱼类,人类和寄生虫:生态,进化和历史
1Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg C., Denmark.
Folia parasitologica
|June 2, 2023
概括
随着海种群的增加,波罗的海中的寄生虫感染增加,影响了鱼类的健康,并可能导致鱼类数量减少. 这些动物传染性寄生虫对人类健康构成风险,如果鱼类没有得到适当的准备.
科学领域:
- 海洋生态海洋生态学
- 寄生虫学的寄生虫学
- 进化生物学是进化的生物学.
背景情况:
- 波罗的海的动态生态系统影响了宿主-寄生虫的相互作用.
- 鱼类寄生动物群受到波动的环境因素的影响.
- 波罗的海鱼 (Gadus morhua) 种群面临着由虫线虫,Pseudoterranova decipiens和Contracaecum osculatum引起的感染的增加.
研究的目的:
- 研究波罗的海灰海 (Halichoerus grypus) 种群增加与波罗的海鱼寄生虫感染增加之间的联系.
- 了解这些宿主-寄生虫关系的生态和进化动态.
- 评估寄生虫对鱼生理学,鱼群健康以及潜在的动物感染风险的影响.
主要方法:
- 波罗的海宿主寄生虫动态的生态分析.
- 对鱼类和海种群的监测.
- 评估寄生虫对鱼生理和肌肉质量的影响.
- 对动物传染病潜力和人类健康风险的评估.
主要成果:
- 波罗的海灰海种群的增加与波罗的海鱼感染P. decipiens和C. osculatum的增加有关.
- 鱼作为寄生宿主,促进寄生虫传播到海 (最终宿主).
- 严重的C. osculatum感染导致鱼的肌肉质量显著减少 (高达50%),可能会损害捕食者逃避,并导致鱼群耗尽.
结论:
- 该研究强调了海种群动态对海洋食物网和鱼类健康的重大影响.
- 波罗的海鱼的寄生虫感染对鱼群构成威胁,对消费者来说也构成动物感染风险.
- 减轻这些风险的管理策略应考虑波罗的海生态系统中的进化背景和生态相互作用.
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