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首页> 外文期刊>Journal of oceanography >Lethality of increasing CO2 levels on deep-sea copepods in the western North Pacific
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Lethality of increasing CO2 levels on deep-sea copepods in the western North Pacific

机译：北太平洋西部深海co足类动物CO2水平升高的致命性

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The first CO2 exposure experiments on several species of pelagic copepods inhabiting surface and deep layers in the western North Pacific were conducted. Living organisms were collected from two layers between the surface and 1,500 m between latitudes of 11 and 44°N, and they were exposed aboard ship to various pCO2 up to about 98,000 μatm. Mortality of copepods from both shallow and deep layers in subarctic to subtropical regions increased with increasing pCO2 and exposure time. Deep-living copepods showed higher tolerance to pCO2 than shallow-living copepods. Furthermore, deep-living copepods from subarctic and transitional regions had higher tolerances than the subtropical copepods. The higher tolerances of the deep-living copepods from subarctic and transitional regions may be due to the adaptation to the natural pCO2 conditions in the subarctic ocean.
机译：对北太平洋西部表层和深层中的几种浮游co足类物种进行了首次CO2暴露实验。从11和44°N纬度之间的地表到1,500 m的两层中收集了活生物体，并将它们暴露在船上暴露于各种pCO2的作用下，最高可达98,000μatm。北极至亚热带地区浅层和深层的co足类动物的死亡率随着pCO2和暴露时间的增加而增加。深层生活的pe足动物对pCO2的耐受性高于浅层生活的co足动物。此外，来自亚弧和过渡带的深层生活的co足类比亚热带co足类具有更高的耐受性。来自北极和过渡带地区的深层co足类动物的较高耐受性可能是由于对北极海洋中自然pCO2条件的适应。

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