pollen diagram 中文意思是什麼
pollen diagram
解釋
花粉譜-
According to the derived spore - pollen percent diagram and spore - pollen concentration diagram, the sequence of vegetation change recorded in the malan loess of xishan mountain, beijing area is as follows : zone p1 : in this zone the herbal pollens were overwhelming and the total pollen concentration was relatively high, so the vegetation during this period was arid grassland
P3帶,該帶總體上花粉濃度較小,花粉濃度出現了多次波動,表明該時期氣候不穩定,植被在荒漠草原和乾草原之間變化。該帶可以分成下列5個亞帶: p3 ) , p3 2p34pm和p3 5 。
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