全球科学界关于哺乳动物的数据低估了小型和白天活动的物种
Lucas Rodriguez Forti1, Judit K Szabo2
1Departamento de Biociências, Universidade Federal Rural Do Semi-Árido, Av. Francisco Mota, 572 - Bairro Costa E Silva, Mossoró , 59625-900, Rio Grande do Norte, Brazil.
Environmental monitoring and assessment
|October 25, 2025
概括
公民科学数据收集揭示了哺乳动物代表性的偏见. 在全球生物多样性数据集中,大型,广泛分布的海洋哺乳动物的代表过多,而蝙蝠和动物的代表不足.
科学领域:
- 生物多样性研究的研究.
- 公民科学是公民科学.
- 哺乳动物学 哺乳动物学
背景情况:
- 社区 (公民) 科学显著提高了生物多样性数据的收集,但往往引入了偏见.
- 观察者的注意力经常被物种的美学和经济价值所倾斜,导致代表性不足或过多.
- 哺乳动物是显眼的,在公民科学中很受欢迎,但代表性因特征而异.
研究的目的:
- 评估公民科学观察对全球哺乳动物发生数据的贡献.
- 调查物种特征如何影响它们在这些数据集中的表现.
- 识别偏见并提出改善哺乳动物数据完整性的策略.
主要方法:
- 从 iNaturalist 平台分析了超过200万个全球哺乳动物观测结果.
- 检查时空模式和物种特征.
- 对不同哺乳动物群体 (例如,海洋与陆地动物,蝙蝠,动物) 的代表性进行比较.
主要成果:
- 大型,形和广泛分布的哺乳动物物种过度代表.
- 较小的,有狭窄分布的白天活动物种的代表性不足.
- 海洋哺乳动物的平均每种观测量高于陆地哺乳动物;蝙蝠和动物的数量不足,而大象和单体动物的数量过多.
结论:
- 公民科学数据集,如 iNaturalist,在哺乳动物表征中表现出与特征相关的偏见.
- 目前,大约有55%的哺乳动物物种被纳入iNaturalist数据集.
- 适应性采样策略可以提高全球生物多样性数据中代表性不足的哺乳动物物种的代表性.
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