有蹄类动物反捕食策略与其捕食者捕食策略的影响因素及互作关系
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1.东北林业大学野生动物与自然保护地学院,国家林业和草原局猫科动物研究中心 哈尔滨 150040;2.辽宁省野生动物保护和疫源疫病监测中心 大连 116013

作者简介:

刘鑫鹏,男,博士研究生;研究方向:动物行为学;E-mail:13109891667@163.com。

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国家自然科学基金青年科学基金项目(No. 32000351);


Drivers and interactions: Ungulate anti-predator strategies and predator predation strategies
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Affiliation:

1.Feline Research Center of National Forestry and Grassland Administration, College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040; 2.Liaoning Wildlife Protection and Epidemic Disease Monitoring Center, Dalian 116013, China

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    摘要:

    捕食和被捕食关系一直是动物生态学研究的重要课题之一。捕食者通过不同的捕食策略捕食猎物并影响其种群动态,进而通过营养级联效应影响整个群落和生态系统的稳定与平衡。猎物则通过不同的反捕食策略在一定程度上缓解捕食关系的紧张程度。然而,捕食者捕食策略和猎物反捕食策略的选择机制,以及其相互作用对捕食者营养级联效应的影响一直未获得充分的研究。本研究通过查阅相关文献并将其分类统计,对捕食者的捕食策略与有蹄类动物作为猎物的反捕食策略类型进行总结归纳,并分析其主要的影响因素,在此基础上探讨了有蹄类动物反捕食策略与捕食者营养级联效应关系的研究现状。研究发现,群居性、开阔栖息地中的捕食者偏好于选择追逐型捕食策略并能够捕食相较于自身更大的猎物;相反,独居性、非开阔型栖息地中的捕食者则偏好于选择伏击型捕食策略,且主要捕食体型不大于自身体型的猎物类群。有蹄类猎物面对伏击型捕食者或处于高郁闭度环境中时,偏向于选择时空回避型的反捕食策略,如时间回避和人盾效应(即猎物利用捕食者对人类的厌恶,在人类强干扰区域或时间段活动以逃避捕食或获取资源)等,而面对追逐型捕食者或处于开阔栖息地时则偏好选择警戒和奔逃相关的反捕食策略(如警戒、奔逃、集群和调整觅食策略等)。更重要的是,在所有检出的有蹄类动物与捕食者关系研究中,涉及营养级联效应的文献数量占比较低(6.14%)。这些研究多关注调整觅食和空间回避等少数反捕食策略,且研究未发现各种反捕食策略对营养级联效应存在与否的一致性影响趋势。本研究系统展示了捕食者捕食策略和有蹄类猎物反捕食策略的选择机制,并强调应加强对有蹄类动物与捕食者互作关系的营养级联效应以及人为活动的影响效应研究,为深入理解捕食与被捕食关系和进一步开展相关研究提供了基础信息。

    Abstract:

    Predator-prey relationships have long been a central topic in the research of animal ecology. Predators employ various predation strategies to capture prey and influence prey population dynamics, thereby affecting the stability and balance of entire communities and ecosystems through trophic cascade effects. Preys, in turn, adopt diverse anti-predator strategies to mitigate the intensity of predation. However, the mechanisms underlying the selection of predator predation strategies and prey anti-predator strategies, as well as how their interactions influence trophic cascade effects, have not been sufficiently studied. Through a literature review and data collection, this study summarizes and categorizes the predation strategies of predators and the anti-predator strategies of ungulates as preys and analyzes their main drivers. On this basis, this study explores the current research status regarding the relationship between anti-predator strategies of ungulates and predator-induced trophic cascade effects. The related articles published from 2009 to 2024 were retrieved from Chinese and English academic databases, with keywords such as “anti-predator strategies”, “ungulates”, and “trophic cascade”, supplemented by snowball sampling. After reviews and modeling studies were excluded, 244 articles were included. Information on study location, species, strategies, habitat, and methods was extracted. Predators were classified into ambush and coursing types based on predation mode, and ungulate anti-predator strategies were categorized into ten types (e.g., spatial/temporal avoidance, vigilance, and fleeing). Species biological information was supplemented through databases like Species2000. Differences in variables such as predator strategy, habitat type (open/non-open), prey/predator body mass ratio, predator group size, and prey anti-predator strategies were analyzed. Specifically, independent samples T-tests (including traditional and Welch’s T-tests) were used for categorical vs. quantitative variables, and Pearson’s chi-square test for associations between categorical variables. The proportion of studies addressing trophic cascades was calculated to analyze its relationship with anti-predator strategies. A total of 244 studies were analyzed (Americas: 38.5%; Africa and Europe: 24.2% each). The most frequently studied predator was the Wolf (Canis lupus, 34.4%), and the most studied ungulate was the Red Deer (Cervus elaphus, 20.5%). The primary research methods were GPS satellite tracking (40.2%) and automatic infrared camera trapping (19.2%). Key findings revealed that the prey/predator body mass ratio differed significantly between coursing (6.235 ± 5.129) and ambush predators (2.855 ± 1.774) (T = 2.201, df = 19, P = 0.040), with coursing predators targeting relatively larger prey. Predator strategy was significantly associated with sociality (χ2 = 9.731, df = 1, P = 0.002): ambush predators were predominantly solitary, whereas coursing predators were more often social (Table 1). Habitat type significantly influenced predator strategy (χ2 = 7.013, df = 1, P = 0.008): ambush strategies were more common in non-open habitats (e.g., forests), while coursing strategies predominated in open habitats (e.g., savannas) (Table 2). Ungulate anti-predator strategies varied with predator type: they more frequently employed temporal avoidance and “human shields” (prey utilize predator aversion to humans by inhabiting areas or periods with high human disturbance to evade predators or access resources) against ambush predators, and relied more on fleeing against coursing predators (Table 4). Habitat openness significantly affected ungulate strategy choice: ungulates in open habitats more frequently used vigilance, clustering, fleeing, and adjusted foraging strategies (P < 0.05, Table 5). However, due to factors such as sampling bias and human disturbance, a direct link between anti-predator strategies and trophic cascades could not be definitively established from the existing literature. This study indicates that predators select their predation strategies based on habitat landscape features, while ungulates flexibly adopt different anti-predator strategies by weighing risk against fitness benefits, considering both habitat openness and predator type. Although this study systematically outlines the patterns and drivers of predation and anti-predator strategies, limitations including research biases, anthropogenic disturbances, and sample size constraints prevent the clear demonstration of a direct impact of anti-predator strategies on trophic cascades. Future work should strengthen empirical research on trophic cascades within predator-prey relationships, delve deeper into the ecological cascade consequences of predation and anti-predator behaviors, and pay more attention to the role of human activities in shaping these interactions and their ecological effects.

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刘鑫鹏,黄保祥,程万年,刘金月,齐进哲. 2026.有蹄类动物反捕食策略与其捕食者捕食策略的影响因素及互作关系. 动物学杂志, 61(5): 762-785.

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  • 收稿日期:2025-05-14
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  • 在线发布日期: 2026-10-29
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