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首页> 外文期刊>ICES Journal of Marine Science >Farmer monitoring reveals the effect of tidal height on mortality risk of oysters during a herpesvirus outbreak
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Farmer monitoring reveals the effect of tidal height on mortality risk of oysters during a herpesvirus outbreak

机译：农民监测发现潮汐高度对疱疹病毒爆发期间牡蛎死亡风险的影响

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摘要

The intertidal zone is characterized by a sharp vertical gradient of environmental stress, which structures species distribution and their interactions. Few studies, however, have examined the influence of tidal height on host-pathogen interactions. Here, we investigated how the tidal height influence outbreak of the Ostreid herpesvirus type 1 (OsHV-1) affecting the Pacific oyster. A volunteer network composed of 20 oyster growers monitored the survival of 28 batches of oysters during an epizootic event in Southern Brittany, France. Oysters were spat from wild collection or hatchery production. The sampling sites were spread over a 150-km(2) area with a tidal height ranging from 0.98 to 2.90 m. Concomitantly, we followed survival of oyster spats in relation with OsHV-1 DNA detection at two sites and conducted risk analysis. We found that tidal height was associated with a lower risk of mortality. This effect was higher for hatchery than for wild oysters probably reflecting differences in health status. Our study opens perspectives for mitigation strategies based on tidal height and emphasizes the value of volunteer science in marine epidemiological studies.
机译：潮间带的特征是环境应力在垂直方向上具有陡峭的梯度，从而构成物种分布及其相互作用。然而，很少有研究检查潮汐高度对宿主-病原体相互作用的影响。在这里，我们调查了潮高如何影响1型Ostreid疱疹病毒（OsHV-1）的爆发，从而影响了太平洋牡蛎。在法国布列塔尼南部的一次动物流行事件中，由20个牡蛎养殖者组成的志愿者网络监测了28批牡蛎的生存情况。牡蛎是从野生采集或孵化场生产而来的。采样地点分布在150 km（2）的区域内，潮汐高度范围从0.98到2.90 m。同时，我们追踪了牡蛎卵在两个部位的存活与OsHV-1 DNA检测的相关性，并进行了风险分析。我们发现潮高与较低的死亡风险相关。孵化场的效果要比野生牡蛎高，这可能反映出健康状况的差异。我们的研究为基于潮高的缓解策略开辟了前景，并强调了志愿科学在海洋流行病学研究中的价值。

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