Rodent Species Diversity and Occurrence of Leishmania in Northeastern Iran

IF 0.4 4区 环境科学与生态学 Q4 ECOLOGY Polish Journal of Ecology Pub Date : 2021-05-17 DOI:10.3161/15052249PJE2021.69.1.006
Seyed Farzad Motevalli-Haghi, G. Ozbaki, N. Hosseini-Vasoukolaei, S. H. Nikookar, O. Dehghan, J. Yazdani-charati, Roohollah Siahsarvie, R. Dehbandi, M. Fazeli-Dinan, A. Enayati
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引用次数: 1

Abstract

ABSTRACT The aim of the current study was to survey the species diversity and Leishmania infection of rodents in the Gonbad -e- Kavoos City and County, northeastern Iran, during 2018–2019. Totally, 20 rural and four urban areas endemic for leishmaniasis were selected and visited monthly. Rodent species diversity indices were calculated in different spatial and temporal scales. Species richness was also calculated using rarefaction curves to estimate the number of species in unequal sample sizes. A total of 167 rodents belonging to 7 species, 6 genera, and 2 families were collected. Rattus rattus (34.7%) and Rattus norvegicus (18.6%) were identified as dominant species. The largest Margalef and Menhinick species richness (DMg = 1.55; DMn = 1.01) and the highest value of the Shannon index (H′ = 1.71) were observed in rural areas. Seasonal abundance of the rodents varied among species and showed that the highest richness (DMg = 1.27; DMn = 0.65) occurred in spring and the highest value of Shannon index (H′ = 1.72) was noted in summer. Rarefaction curves confirmed that the highest species richness occurred in summer and spring in the rural area. Seasonal fluctuations of R. rattus and R. norvegicus have a significant impact on the changes in rodent species diversity. Investigations of Leishmania infection showed that amastigote forms of Leishmania were observed in 15.4% of smears taken from Rhombomys opimus and Meriones libycus and examined under the light microscope. The highest rate of Leishmania infection was observed during the summer.
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伊朗东北部啮齿动物种类多样性及利什曼原虫发生情况
本研究旨在调查2018-2019年伊朗东北部Gonbad -e- Kavoos市和县啮齿动物物种多样性和利什曼原虫感染情况。总共选择了利什曼病流行的20个农村地区和4个城市地区,每月进行访问。在不同时空尺度上计算鼠种多样性指数。利用稀疏曲线计算物种丰富度,估计不等样本量下的物种数量。共捕获鼠类167只,隶属于2科6属7种。优势种为家鼠(34.7%)和褐家鼠(18.6%)。最大的Margalef和Menhinick物种丰富度(DMg = 1.55;DMn = 1.01), Shannon指数在农村地区最高(H′= 1.71)。不同种类鼠的季节丰度存在差异,其中丰富度最高(DMg = 1.27;DMn = 0.65)出现在春季,Shannon指数最高值出现在夏季(H′= 1.72)。稀疏曲线表明,夏季和春季是农村地区物种丰富度最高的季节。家鼠和褐家鼠的季节波动对鼠种多样性的变化有显著影响。利什曼原虫感染调查结果显示,15.4%的大鼠和利比亚沙鼠涂片在光镜下检出无马鞭毛虫利什曼原虫。利什曼原虫感染率在夏季最高。
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来源期刊
Polish Journal of Ecology
Polish Journal of Ecology 环境科学-生态学
CiteScore
1.10
自引率
0.00%
发文量
9
审稿时长
18-36 weeks
期刊介绍: POLISH JOURNAL OF ECOLOGY (formerly Ekologia polska) publishes original scientific research papers dealing with all aspects of ecology: both fundamental and applied, physiological ecology, evolutionary ecology, ecology of population, community, ecosystem, landscape as well as global ecology. There is no bias regarding taxons, ecosystems or geographical regions.
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