Through analyses of unique microlaminated sediments recovered from the Lomonosov Ridge during Integrated Ocean Drilling Program(IODP) Expedition 302,it became evident that enormous blooms of the free floating freshwat...Through analyses of unique microlaminated sediments recovered from the Lomonosov Ridge during Integrated Ocean Drilling Program(IODP) Expedition 302,it became evident that enormous blooms of the free floating freshwater fern Azolla occurred within the Arctic Basin during an extended period of～1.2 Ma in the Eocene.The timing of the Azolla展开更多
文摘Through analyses of unique microlaminated sediments recovered from the Lomonosov Ridge during Integrated Ocean Drilling Program(IODP) Expedition 302,it became evident that enormous blooms of the free floating freshwater fern Azolla occurred within the Arctic Basin during an extended period of～1.2 Ma in the Eocene.The timing of the Azolla
