系统发育物种概念在风险类别分配中的应用意义:以墨西哥鸟类为例

IF 1.7 4区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION
Alejandra Galindo-Cruz, F. J. Sahagún-Sánchez, Octavio R. Rojas-Soto
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引用次数: 0

摘要

背景和目的保护工作需要为分类群的优先排序提供合理的基础;重要的是要认识到单位的进化独立性,通常被认为是物种。由于不同的物种限制标准导致不同的保护评估优先级,概念问题限制了准确评估物种正在经历的保护状态以有效保护它们的可能性。方法在分析墨西哥地方性鸟类的基础上,分析在风险类别确定中使用系统发育物种概念(PSC)的意义。我们使用MaxEnt算法对那些已经或可能容易受到基于PSC的分类更新影响的物种的潜在分布区域进行了建模。结果93个研究物种中,68个受到高度限制,23个根据飞行伙伴保护状况的评估得分较高,因此它们可以被视为具有高度脆弱性或灭绝风险的物种。此外,基于对几个异地种群作为独立系统发育物种的认识,45%的种群由于潜在分布区域的减少,容易重新考虑其风险类别。对保护的影响使用以不同种群的系统发育关系为重点的分类学观点将直接影响风险类别的定义,特别是对于那些地方病或分布受限的进化单元,这些进化单元的可用信息通常很少,毫无疑问是最需要研究的,特别是受到保护。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Implications on the Use of the Phylogenetic Species Concept in the Risk Categories Assignment: The Case of the Birds of Mexico
Background and Aims Conservation efforts require a rational basis for taxa prioritization; it is essential to recognize the evolutionary independence of units, typically recognized as species. Because different criteria on species limits lead to different conservation assessment priorities, conceptual problems limit the possibility to accurately assess the conservation status that species are undergoing to protect them effectively. Methods We analyze the implications of using the phylogenetic species concept (PSC) in the risk categories determination, based on the analysis of the Mexican endemic avifauna. We modeled the potential distribution areas with the MaxEnt algorithm for those species that have had or could be susceptible to taxonomic updates based on the PSC. Results Of the 93 studied species, 68 were highly restricted, and 23 have high scores according to the evaluation of the Partners In Flight conservation status, so they can be considered species with high vulnerability or risk of extinction. Additionally, based on the recognition of several allopatric populations as independent phylogenetic species, 45% are susceptible to reconsideration of their risk categories due to a decrease in the extent of areas where they are potentially distributed. Implications for Conservation The use of a taxonomic perspective focused on the phylogenetic relationship of the different populations would directly impact the definition of risk categories, particularly for those endemic or restricted distribution evolutionary units for which there is usually very little information available and which, undoubtedly, are the ones that most need to be studied and, particularly, protected.
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来源期刊
Tropical Conservation Science
Tropical Conservation Science BIODIVERSITY CONSERVATION-
CiteScore
3.60
自引率
5.90%
发文量
16
审稿时长
>12 weeks
期刊介绍: Tropical Conservation Science is a peer-reviewed, open access journal that publishes original research papers and state-of-the-art reviews of broad interest to the field of conservation of tropical forests and of other tropical ecosystems.
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