gradation scale 中文意思是什麼
gradation scale
解釋
顆粒分級標準-
The pn and don were 32 % and 40 % in autumn, 31 % and 39 % in spring 1998, respectively. pn and pp in autumn shows strong vertical gradation in autumn other than spring, and other nutrient species shows relatively uniformity in vertical scale
由於秋季浮游植物優勢種為硅藻且其生物量和初級生產力均高於春季,春季優勢種則為硅藻和甲藻,結合調查海域葉綠素與化學要素間的相關程度,可推斷秋季正處于浮游植物生長的發展階段,而春季正處于浮游植物生長的衰減階段。
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