什么是安第斯哥伦比亚的anuran? 经验性的区域化建议vs. 观察到的组成不相似性的模式
Jorge Mario Herrera-Lopera1,2, Viviana Andrea Ramírez Castaño2,3, Carlos A Cultid-Medina4,5
1Laboratório de Herpetologia Tropical, Programa de Pós-Graduação em Ecologia e Conservação da Biodiversidade, Universidade Estadual de Santa Cruz, Ilhéus, Bahia, Brasil.
PeerJ
|June 19, 2023
概括
通过高度来定义安第斯山脉的anuran是常见的,但缺乏科学支持. 这项研究没有发现哥伦比亚鸟的概括高度限制,敦促转向生物地理标准来选择物种.
科学领域:
- 动物学 动物学
- 生态生态学 生态生态学
- 生物地理学是生物地理学.
背景情况:
- 在物种名单和气候变化研究中,通过高度限制来定义安第斯山脉鱼是一种常见的做法.
- 现有的高度限制缺乏理论或数值支持,并且通常基于实际定义.
- 之前的建议在安第斯山脉中均适用,无视山坡之间的环境变化.
研究的目的:
- 评估anuran海拔分布与哥伦比亚安第斯山脉四个不同的划界提案之间的一致性.
- 评估常用的高度界限的有效性,以区分安第斯安努拉斯.
主要方法:
- 研究区域定义包括安第斯地区和相邻的低地,由流域划分为八个实体.
- 在哥伦比亚安第斯山脉和安第斯山脉间山谷寻找anuran的文献搜索,并用GBIF数据补充.
- 创建了200米的海拔带,并对物种组成进行了集群分析,以评估分组.
主要成果:
- 在哥伦比亚安第斯山脉的传统海拔边界和anuran分布之间没有发现对应.
- 高度划分建议任意跨越大约三分之一的研究物种的分布.
- 对于哥伦比亚安第斯山脉而言,没有确定可概括的高度极限.
结论:
- 虽然一些安第斯实体显示出明显的高度物种组成,但不支持普遍的极限.
- 在哥伦比亚安第斯山脉,生物地理学,遗传学或自然历史的标准应优先考虑在海拔上限的阿努伦物种选择.
- 避免任意的高度限制可以防止决策者使用的研究中的偏见.
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