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首页> 外文期刊>Parasitology >Temporal and spatial variation in prevalence of the parasite Syngamus trachea in a metapopulation of house sparrows (Passer domesticus)
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Temporal and spatial variation in prevalence of the parasite Syngamus trachea in a metapopulation of house sparrows (Passer domesticus)

机译：麻雀（Passer domesticus）种群中寄生虫气管合气杆菌的流行时空变化

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摘要

When investigating parasite-host dynamics in wild populations, a fundamental parameter to investigate is prevalence. This quantifies the percentage of individuals infected in the population. Investigating how prevalence changes over time and space can reveal interesting aspects in the parasite-host relationship in natural populations. We investigated the dynamic between a common avian parasite (Syngamus trachea) in a host metapopulation of house sparrows (Passer domesticus) on the coast of Helgeland in northern Norway. We found that parasite prevalence varied in both time and space. In addition, the parasite prevalence was found to be different between demographic groups in the local populations. Our results reveal just how complex the dynamic between a host and its parasite may become in a fragmented landscape. Although temperature may be an important factor, the specific mechanisms causing this complexity are not fully understood, but need to be further examined to understand how parasite-host interactions may affect the ecological and evolutionary dynamics and viability of host populations.
机译：在调查野生种群中的寄生虫-宿主动态时，要调查的基本参数是患病率。这量化了人口中感染个体的百分比。调查流行度如何随时间和空间变化，可以揭示自然种群中寄生虫与宿主关系的有趣方面。我们调查了挪威北部Helgeland海岸的麻雀（Passer domesticus）宿主宿主中常见禽寄生虫（Syngamus气管）之间的动态关系。我们发现，寄生虫的流行在时间和空间上都不同。此外，发现当地人群中各人群之间的寄生虫流行率不同。我们的研究结果揭示了宿主及其寄生虫之间的动态在零散的景观中可能变得多么复杂。尽管温度可能是一个重要因素，但导致这种复杂性的具体机制尚不完全清楚，但需要进一步研究以了解寄生虫与宿主之间的相互作用如何影响宿主种群的生态和进化动态以及生存能力。

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