How Do We Identify Anthropogenic Allee Effects in the Wildlife Trade?

IF 7.7 1区 环境科学与生态学 Q1 BIODIVERSITY CONSERVATION Conservation Letters Pub Date : 2024-11-15 DOI:10.1111/conl.13070
Ryan J. Almeida, Mary Cate Hyde, Julie L. Lockwood
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Abstract

The harvest and sale of wildlife can drive species to extinction when consumers are willing to pay high prices for the last harvested individuals of a very rare species, a phenomenon known as the anthropogenic Allee effect (AAE). Because demand for rarity is an inherent human desire, the AAE has the potential to affect a wide range of exploited species across several geographic regions. Here, we assess the current extent of empirical evidence for the AAE, how such evidence has been measured, and how this evidence interfaces with existing models of the AAE. We find substantial gaps in the empirical evidence base for the AAE and suggest that this deficit prevents assessment of the AAE in species extinctions. We provide a framework for generating empirical evidence that can identify when the AAE is likely occurring or has the potential to occur in the future, and recommend directions for both empirical and theoretical modeling research designed to strengthen our ability to forecast the ecological and market conditions that result in an AAE.
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如何识别野生动物贸易中的人为近郊效应?
当消费者愿意为最后收获的非常稀有物种个体支付高价时,野生动物的收获和销售可能会导致物种灭绝,这种现象被称为人为阿利效应(AAE)。由于对稀有性的需求是人类与生俱来的欲望,AAE 有可能影响到多个地理区域的多种被开发物种。在此,我们评估了目前有关 AAE 的实证证据的程度、如何测量这些证据以及这些证据如何与现有的 AAE 模型相衔接。我们发现 AAE 的经验证据基础存在巨大缺口,并认为这一缺口阻碍了对物种灭绝中 AAE 的评估。我们提供了一个生成实证证据的框架,该框架可确定 AAE 可能发生或未来有可能发生的时间,并建议了实证和理论建模研究的方向,旨在加强我们预测导致 AAE 的生态和市场条件的能力。
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来源期刊
Conservation Letters
Conservation Letters BIODIVERSITY CONSERVATION-
CiteScore
13.50
自引率
2.40%
发文量
70
审稿时长
>12 weeks
期刊介绍: Conservation Letters is a reputable scientific journal that is devoted to the publication of both empirical and theoretical research that has important implications for the conservation of biological diversity. The journal warmly invites submissions from various disciplines within the biological and social sciences, with a particular interest in interdisciplinary work. The primary aim is to advance both pragmatic conservation objectives and scientific knowledge. Manuscripts are subject to a rapid communication schedule, therefore they should address current and relevant topics. Research articles should effectively communicate the significance of their findings in relation to conservation policy and practice.
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How Do We Identify Anthropogenic Allee Effects in the Wildlife Trade? Issue Information Moving beyond simplistic representations of land use in conservation Identifying Pareto-efficient eradication strategies for invasive populations Genetic variation and hybridization determine the outcomes of conservation reintroductions
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