Regional-parametrization-of-Laimax.md

@@ -46,4 +46,24 @@ typedef struct
   int default_irrig_system; /* default irrig system at region level (SURF=1,SPRINK=2,DRIP=3), used for ALLCROPS or ALL_IRRIGATION with regional parametrisation */
 } Regionpar; /* parameters defined for each region */
 ```  
-The selection of the regional laimax as the laimax values used further is done in the [initmanage.c function](https://gitlab.pik-potsdam.de/brunel/lpjml-med/-/blob/main/src/landuse/initmanage.c) depending on the LAIMAX_REGION configuration.
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+The selection of the regional laimax as the laimax values used further is done in the [initmanage.c function](https://gitlab.pik-potsdam.de/brunel/lpjml-med/-/blob/main/src/landuse/initmanage.c) depending on the LAIMAX_REGION configuration.
+
+## Tree density
+As well as the laimax per cft and the default irrigation system, tree density is given per region.  
+
+Below, the file [manage_morocco_treedensregion.par](https://gitlab.pik-potsdam.de/brunel/lpjml-med/-/blob/regional_laimax/par/manage_morocco_treedensregion.par) which gives the tree density per region for Morocco. (only possible for one country run so far)
+```
+#include "../include/managepar.h"
+/*	region	citrus	fruits	date_palm	olives	nuts	grapes	vegetables	cotton	fodder_grass */
+Al_Hoceima	0.05	-1	0.028	0.021	0.036	0.2	-1	-1	-1
+Oriental	0.05	-1	0.028	0.021	0.036	0.2	-1	-1	-1
+Fes_Meknes	0.1	0.2	0.3	0.4	0.5	0.6	0.7	0.8	0.9
+Rabat_Kenitra	0.05	-1	0.028	0.021	0.036	0.2	-1	-1	-1
+B_M_Khenifra	0.05	-1	0.028	0.021	0.036	0.2	-1	-1	-1
+Casablanca_Settat	0.05	-1	0.028	0.021	0.036	0.2	-1	-1	-1
+Marrakech_Safi	0.05	-1	0.028	0.021	0.036	0.2	-1	-1	-1
+Draa_Tafilalet	0.05	-1	0.028	0.021	0.036	0.2	-1	-1	-1
+Souss_Massa	0.05	-1	0.028	0.021	0.036	0.2	-1	-1	-1
+G_Oued_Noun	0.05	-1	0.028	0.021	0.036	0.2	-1	-1	-1
+```
+This new parameter file is scanned in the new routine [src/landuse/fscantreedensregion.c](https://gitlab.pik-potsdam.de/brunel/lpjml-med/-/blob/regional_laimax/src/landuse/fscantreedensregion.c) when the configuration LAIMAX_REGION is used.
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