Zoo animals as “proxy species” for threatened sister taxa: Defining a novel form of species surrogacy,Zoo Biology

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Zoo animals as “proxy species” for threatened sister taxa: Defining a novel form of species surrogacy
Zoo Biology ( IF 1.2 ) Pub Date : 2020-10-12 , DOI: 10.1002/zoo.21573
Kevin C. R. Kerr ₁

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The vast number of species threatened with extinction, coupled with the limited resources to support them, results in the need to prioritize species for conservation action. Similarly, zoo collection managers must prioritize species for inclusion at their institutions, which are also limited by space and resources. While conservation status is one factor considered by zoos, weight is also given to qualitative features and practical considerations when evaluating the fit of different species. Resultantly, the species prioritized by zoos have limited overlap with those prioritized for conservation. Several recent studies have highlighted that the majority of species maintained in zoos are ranked globally as least concern. Given the centrality of conservation to the modern mission of zoos, there is value in identifying clear connections between non-threatened species in zoos and the roles they can play in conservation. Surrogate species approaches have been used in many instances to facilitate indirect conservation, and several distinctive types of surrogacy have been formally described. The aim of this study is to define a novel form of species surrogacy (i.e., "proxy species") that draws utility from non-threatened species maintained in zoos. A proxy species is here defined as a non-threatened species managed ex situ that can be used as a flagship for a related threatened species that is morphologically similar but not otherwise represented in zoos. The benefits of this approach and opportunities for its application are here reviewed. This concept will provide opportunities to enhance the value of pre-existing zoo collections, and ultimately, support conservation objectives.

中文翻译：

动物园动物作为受威胁的姐妹类群的“代理物种”：定义一种新的物种代孕形式

面临灭绝威胁的大量物种，加上支持它们的有限资源，导致需要优先考虑物种保护行动。同样，动物园收藏管理者必须优先考虑将物种纳入其机构，这些机构也受到空间和资源的限制。虽然保护状况是动物园考虑的一个因素，但在评估不同物种的适应性时，也会考虑定性特征和实际考虑因素。因此，动物园优先考虑的物种与优先保护的物种重叠有限。最近的几项研究强调，动物园中饲养的大多数物种在全球范围内都被列为最不受关注的物种。鉴于保护对动物园现代使命的重要性，确定动物园中未受威胁的物种与其在保护中可以发挥的作用之间的明确联系是有价值的。代孕物种方法已在许多情况下用于促进间接保护，并且已经正式描述了几种不同类型的代孕。这项研究的目的是定义一种新形式的物种代孕（即“代理物种”），该形式从动物园中饲养的非受威胁物种中汲取效用。代理物种在此被定义为非原生境管理的非受威胁物种，可用作相关受威胁物种的旗舰，该物种在形态上相似但在动物园中没有其他代表。这里回顾了这种方法的好处及其应用的机会。

更新日期：2020-10-12

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