自然学家的数据表明,最近颠倒的水母Cassiopea最近向北扩张
Myles A Wagner1, Ziyu Wang1, Colin J Anthony2
1Department of Biology, Texas A&M University, College Station, TX 77840, United States of America.
The Science of the total environment
|June 29, 2025
概括
颠倒的水母 (Cassiopea) 由于水域变暖,在佛罗里达州向北扩展其范围. 这项研究表明,社区科学数据有效地追踪了海洋物种的变化,并确定了北方不同的人口特征.
科学领域:
- 海洋生物学 海洋生物学
- 生态生态学 生态生态学
- 气候变化研究 气候变化研究
背景情况:
- 热带化正在改变海洋生态系统,将物种转移到极地.
- 追踪海洋范围的变化具有挑战性,但对于预测生态系统变化至关重要.
- 颠倒的水母 (Cassiopea) 是研究范围扩张的模型物种.
研究的目的:
- 评估社区生成的数据,以监测海洋范围的变化.
- 为了记录佛罗里达州Cassiopea的北方范围扩张.
- 为了研究在不断扩大的木种群中的表型差异.
主要方法:
- 分析了1276个自然主义观察 (2003-2023) 的Cassiopea.
- 与11个沿海监测站的温度数据相关联的观测.
- 记录了种群的存在,表型特征和息地.
主要成果:
- 卡西奥佩亚在佛罗里达州向北扩张,自2021年以来,在27°N以上的地区有稳定的种群.
- 范围的扩大与寒冷事件减少和水域变暖 (北方每年增加0.12°C) 相关联.
- 北方种群表现出明显的特征:较高的棕色颜色 (85.3%) 和纤细的囊泡 (57.8-67.1%).
结论:
- 社区生成的数据,如iNaturalist,对于跟踪海洋范围的变化是有效的.
- 卡西奥佩亚表现出表型的可塑性,可能与其向北扩张有关.
- 公共数据库是监测生态系统对全球变化的反应的宝贵工具.
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