Bird Leg Skin Lesions and Urbanization in a Neotropical Savanna City.

IF 1.1 4区 农林科学 Q3 VETERINARY SCIENCES
Eduardo Guimarães Santos, Vinicius Tirelli Pompermaier, Helga Correa Wiederhecker, Miguel Ângelo Marini
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引用次数: 0

Abstract

Urban sprawl threatens biodiversity and is responsible for significant changes in the species that live in these environments. Given the high cost of comprehensive surveillance, monitoring disease indirectly, such as detecting skin lesions in birds, may help us better understand the prevalence of diseases affecting wild populations. We assessed the frequency of leg skin lesions, as a proxy of disease presence, in 1,565 individuals of 25 species, along the urban matrix of a large Neotropical city, Brasília, Federal District, Brazil. We tested the hypothesis that there is an increase in the frequency of skin lesions in birds due to urban intensification. We observed an increasing trend in some bird species between the frequency of occurrence of lesions and the intensity of urbanization. Species with a higher number of captures had an increase in the percentage of lesions, indicating that the occurrence of lesions may be linked to higher population density or that detection of the effect occurs only when sample sizes are high and controlled among urbanization categories. Our study highlights how the intensity of urbanization may increase the risk of disease transmission for these species. Unfortunately, studies on this topic are scarce in Neotropical regions, despite the region's high biodiversity and urban expansion.

新热带稀树草原城市的鸟类腿部皮损与城市化。
城市扩张威胁着生物多样性,并导致生活在这些环境中的物种发生重大变化。由于全面监测的成本较高,间接监测疾病(如检测鸟类的皮肤损伤)可能有助于我们更好地了解影响野生种群的疾病流行情况。我们评估了巴西联邦区巴西利亚这座新热带大城市中 25 种鸟类 1565 只个体腿部皮肤病变的频率,作为疾病存在的替代指标。我们对城市化导致鸟类皮肤病变频率增加的假设进行了检验。我们观察到,在一些鸟类物种中,皮损发生频率与城市化强度之间呈上升趋势。捕获数量越多的物种,皮损发生的百分比越高,这表明皮损的发生可能与较高的种群密度有关,或者只有在样本数量较多且在城市化类别之间进行控制的情况下,才能发现这种影响。我们的研究强调了城市化的强度可能会增加这些物种的疾病传播风险。遗憾的是,尽管新热带地区的生物多样性很高,而且城市在不断扩张,但有关这一主题的研究却很少。
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来源期刊
Journal of Wildlife Diseases
Journal of Wildlife Diseases 农林科学-兽医学
CiteScore
2.70
自引率
0.00%
发文量
213
审稿时长
6-16 weeks
期刊介绍: The JWD publishes reports of wildlife disease investigations, research papers, brief research notes, case and epizootic reports, review articles, and book reviews. The JWD publishes the results of original research and observations dealing with all aspects of infectious, parasitic, toxic, nutritional, physiologic, developmental and neoplastic diseases, environmental contamination, and other factors impinging on the health and survival of free-living or occasionally captive populations of wild animals, including fish, amphibians, reptiles, birds, and mammals. Papers on zoonoses involving wildlife and on chemical immobilization of wild animals are also published. Manuscripts dealing with surveys and case reports may be published in the Journal provided that they contain significant new information or have significance for better understanding health and disease in wild populations. Authors are encouraged to address the wildlife management implications of their studies, where appropriate.
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