Ocellated lizard predation patterns on red-legged partridge nests in olive groves

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-03-29 DOI:10.25225/jvb.22074

J. Duarte, M. A. Farfán

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引用次数: 0

Abstract

Abstract. In this study, we evaluated predation of the ocellated lizard on red-legged partridge nests in an olive grove in southern Spain over three consecutive years. The microhabitat characteristics of prey nests are analysed through comparison with successful nests. We found only 13 nests predated by lizards during the study period. This number was three times lower than that of nests that failed due to causes related to agricultural practices or human activity in the same period and study area. A few of the nests were predated by mammals more than they were preyed upon by lizards. The nests preyed on by lizards were associated with proximity to their refuge areas (e.g. stone piles, old buildings with holes, or rabbit burrows). The characteristics of the olive grove (e.g. drip irrigation and absence of vegetation under the olive trees) may favour the ocellated lizards' search-and-hunt strategy, which allows a lizard to readily find a nest if it is inside the lizard's territory and close to its refuge. We propose management strategies for reducing lizard-related nest losses. However, we argue that olive grove intensification is a major cause of partridge nest failure rather than predation by lizards and other predators.

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橄榄林中红腿鹧鸪巢上的斑点蜥蜴捕食模式

摘要在这项研究中，我们评估了西班牙南部橄榄林中的红腿鹧鸪巢穴连续三年被角蜥蜴捕食的情况。通过与成功巢穴的比较，分析了猎物巢穴的微生境特征。在研究期间，我们只发现了13个被蜥蜴捕食的巢穴。这一数字比同一时期和研究区域内因农业实践或人类活动而失败的巢穴的数量低三倍。其中一些巢穴被哺乳动物捕食的次数多于被蜥蜴捕食的次数。蜥蜴捕食的巢穴与它们的避难所附近有关（例如石头堆、有洞的旧建筑或兔子洞）。橄榄林的特点（如滴灌和橄榄树下没有植被）可能有利于角蜥蜴的搜索和狩猎策略，如果蜥蜴在蜥蜴的领地内并靠近其避难所，它就可以很容易地找到巢穴。我们提出了减少蜥蜴巢穴损失的管理策略。然而，我们认为，橄榄林的强化是导致鹧鸪巢穴失败的主要原因，而不是蜥蜴和其他捕食者的捕食。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.