Nutrient data
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资源简介：
File contains tab-delimited columns of date, nitrate+nitrite, ammonium, phosphate and silicate concentrations (micromolar) at the Martha's Vineyard Coastal Observatory from 2003-2015. Values are means of 2-3 technical replicates. Missing entries are denoted by NaNs.
创建时间：
2016-01-01
