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Oligotrophy(Low Nutrients)
寡营养
浮游植物赖以生长的营养盐浓度水平非常低,海洋表层的主要营养盐如硝酸盐、磷酸盐和铁等常低于检测限,其浓度在纳摩尔水平(10-9mol·L-1)。
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