Middle-out ecology: small carnivores as sentinels of global change

IF 4.3 2区 生物学 Q1 ECOLOGY
Mammal Review Pub Date : 2022-07-11 DOI:10.1111/mam.12300
Courtney J. Marneweck, Benjamin L. Allen, Andrew R. Butler, Emmanuel Do Linh San, Stephen N. Harris, Alex J. Jensen, Elizabeth A. Saldo, Michael J. Somers, Keifer Titus, Michael Muthersbaugh, Abi Vanak, David S. Jachowski
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引用次数: 7

Abstract

Species that respond to ecosystem change in a timely, measurable, and interpretable way can be used as sentinels of global change. Contrary to a pervasive view, we suggest that, among Carnivora, small carnivores are more appropriate sentinels than large carnivores. This reasoning is built around six key points: that, compared to large carnivores, small carnivores 1) are more species-rich and diverse, providing more potential sentinels in many systems; 2) occupy a wider range of ecological niches, exhibiting a greater variety of sensitivities to change; 3) hold an intermediate trophic position that is more directly affected by changes at the producer, primary consumer, and tertiary consumer levels; 4) have shorter life spans and higher reproductive rates, exhibiting more rapid responses to change; 5) have smaller home ranges and are more abundant, making it easier to investigate fine-scale management interventions; 6) are easier to monitor, manage, and manipulate. Therefore, we advocate for incorporating a middle-out approach, in addition to the established top-down and bottom-up approaches, to assessing the responses of ecosystems to global change.

Abstract Image

中间生态学:小型食肉动物是全球变化的哨兵
对生态系统变化做出及时、可测量和可解释的反应的物种可以作为全球变化的哨兵。与普遍的观点相反,我们认为,在食肉动物中,小型食肉动物比大型食肉动物更适合充当哨兵。这一推理基于六个关键点:1)与大型食肉动物相比,小型食肉动物种类更丰富、更多样化,在许多系统中提供了更多潜在的哨兵;2)占据更广泛的生态位,对变化表现出更大的敏感性;3)处于中间营养位置,更直接受到生产者、初级消费者和第三级消费者水平变化的影响;4)寿命较短,繁殖率较高,对变化的反应较快;5)有更小的活动范围和更丰富,使调查精细管理干预措施更容易;6)更容易监控、管理和操纵。因此,我们提倡在现有的自顶向下和自底向上方法的基础上,采用一种“中-外”方法来评估生态系统对全球变化的响应。
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来源期刊
Mammal Review
Mammal Review 生物-动物学
CiteScore
12.20
自引率
4.10%
发文量
29
审稿时长
>12 weeks
期刊介绍: Mammal Review is the official scientific periodical of the Mammal Society, and covers all aspects of mammalian biology and ecology, including behavioural ecology, biogeography, conservation, ecology, ethology, evolution, genetics, human ecology, management, morphology, and taxonomy. We publish Reviews drawing together information from various sources in the public domain for a new synthesis or analysis of mammalian biology; Predictive Reviews using quantitative models to provide insights into mammalian biology; Perspectives presenting original views on any aspect of mammalian biology; Comments in response to papers published in Mammal Review; and Short Communications describing new findings or methods in mammalian biology.
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