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The South China Sea is one of the most important fishing grounds in China and is also a traditional fishing ground. In order to determine the primary productivity products suitable for various traditional fishing areas, this paper is based on three models of VGPM, Eppley-VGPM and CbPM, we estimate the primary and the average monthly data of marine primary productivity in 8 days, a detailed analysis of the differences in 2006-2015 of these products which the traditional fishing areas in the South China Sea on the interannual and seasonal variation and spatial distribution. The results showed: 1) the years of large interannual variability which three models are estimated to obtain are between 2008 and 2012. At the same time, it has been found that these 5 years is also a frequent occurrence of ENSO events, but the specific regulatory mechanisms need to be further studied, 2) data products estimated by each model which reflected the seasonal pattern of each fishing area have inconsistency, 3) the three models can be used to estimate the characteristics which the coastal and estuarine areas are higher than the open sea area, and deep sea basin is the lowest in space, however the NPP values estimated by the three models are quite different, and the highest estimated value is by Eppley-VGPM model.

Zone statistics of the oceanic primary productivity for the traditional fishing areas of the open South China Sea based on MODIS products