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使用公民科学来确定两只沿海猛禽之间的猎物分区

Leo Biggs¹, Greg S Baxter¹, Stephen J S Debus²

¹School of Agriculture and Environmental Science University of Southern Queensland Queensland Australia.

Ecology and evolution

|December 29, 2025

概括

公民科学通过社交媒体揭示了东部鱼和白腹海 (WBSE) 如何分割猎物. 尽管饮食重叠,但由于丰富的共同猎物和独特的狩猎风格,竞争很低.

科学领域:

生态生态学生态生态学
鸟类学鸟类学是一门学科.
保护生物学保护生物学

背景情况:

了解物种的生态和资源需求对于有效的保护至关重要.
捕食者通过竞争或资源分割来获得食物;掠食者利用这两种策略.
传统的饮食研究是耗时且有偏见的,需要创新的方法.

研究的目的:

调查澳大利亚东部羊和白腹海 (WBSE) 的饮食重叠,多样性和竞争.
测试假设,这些猛禽划分鱼类资源,以最大限度地减少直接竞争.
探索社交媒体数据对研究猛禽饮食和资源分区的有用性.

主要方法:

利用来自社交媒体的公民科学数据 (图像,视频) 来分析猛禽的饮食.
使用莫里斯塔索引评估了饮食的广度,多样性和重叠.
与资源可用性和猛禽狩猎策略相关的猎物分区.

主要成果:

两只猛禽都食用了适度广泛和多样化的鱼类饮食,WBSE显示了更大的饮食均性.
观察到适度的饮食重叠 (莫里西塔指数:0.590.61).
由于丰富的共同猎物和其他猎物项目的有限重叠,推断出竞争较低.

结论:

猎物分区受资源可用性的影响,大量的猎物被共享.
独特的狩猎风格 (水面捕捞WBSE与潜水东部) 促进了较少的猎物的分割.
社交媒体数据为研究复杂的猛禽饮食关系和资源分区提供了一种可行的方法.

关键词:

公民科学是公民科学.跨物种的竞争跨物种的竞争利基领域的重叠.猎物分区是为了分离猎物.猛禽的饮食猛禽的饮食社交媒体社交媒体

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