Data.md

@@ -4,7 +4,6 @@ _Under construction_
 
 [[_TOC_]]
 
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 # Introduction
 The model makes use of several types of external data. Data is used either to set the boundary conditions for the model or to validate the model results. The data are updated regularly.
 
@@ -73,5 +72,10 @@ The three types of shellfish species (Cockles, Mussels and Oysters) have differe
 ![Map](uploads/2bf63b718736c41dadf807dd41328015/Map.png)
 *Distribution of shellfish populations in the Oosterschelde. Cockles are restricted to the intertidal areas (khaki). Mussels are cultured at the mussel culture plots (blue) and oysters are present at the culture plots (orange) and the wild oyster beds (green).*
 
-Total biomass of cockles oysters and mussels in the Oosterschelde
+The total biomass of mussels at the culture plots in the Oosterschelde is estimated from the auction data. The cockle biomass is based on the results of the [WOT survey](https://shiny.wur.nl/Schelpdiermonitor_Delta/). The estimation of the wild oyster biomass is based on [Jansen et al. (2019)](https://edepot.wur.nl/504079) at the stock of oysters at the culture plots is calculated from the landings.
+
+Raw data are processed by the file "Shellfish.R". Data is stored as R data file (Shellfish_*.rds) in the subdirectory “./DataOS/Shellfish/”.
 
+![timeseries](uploads/c9522823c54f8dd1c5f40683076528cc/timeseries.png)
+*Yearly variation of the total stock (million kg fresh weight) of mussels at culture plots (blue), cockles (khaki), wild oysters (orange) and cultured oysters (green) in the Oosterschelde.*
+[top](Data)
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