image: Foraminifera are captured in the surface ocean by scuba diving. Individual organisms are captured in glass jars at 5-10 meters water depth, and are subsequently brought back to the lab to be incubated in controlled conditions view more
Credit: Image credit: Laura Haynes
一项关于海洋浮游植物的壳的硼/钙比率的研究提示，古新世-始新世极热事件这个在5560万年前导致了深海灭绝以及生物转化的快速全球变暖和海洋酸化事件，伴随着海洋增加了14,900拍克碳，这很可能是由于火山二氧化碳排放；这组作者说，对二氧化碳排放率的估计提示，这种碳释放比现代二氧化碳排放至少慢10倍。
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