diff --git a/exploration/scriptR/BruchPrg.R b/exploration/scriptR/BruchPrg.R
new file mode 100644
index 0000000000000000000000000000000000000000..55b9e4ebc8dccb8b7a3f45c48b35a76cb0ad4ab1
--- /dev/null
+++ b/exploration/scriptR/BruchPrg.R
@@ -0,0 +1,194 @@
+library(openxlsx)
+# ============================================================
+
+dataBruch = read.xlsx("BDalosesBruch.xlsx")
+dataBruch$`M.gonades.(g)` = as.numeric(dataBruch$`M.gonades.(g)`)
+
+head(dataBruch)
+
+
+tapply(dataBruch$`Lf.(cm)`, dataBruch[,c('Année', 'Sexe')],min, na.rm = TRUE)
+
+tapply(dataBruch$`Lf.(cm)`, dataBruch[,c('Année', 'Sexe')],min, na.rm = TRUE)
+tapply(dataBruch$`Lf.(cm)`, dataBruch[,c('Année', 'Sexe')],quantile, na.rm = TRUE, probs=.05)
+
+tapply(dataBruch$`Lf.(cm)`, dataBruch[,c('Année', 'Sexe')],max, na.rm = TRUE)
+tapply(dataBruch$`Lf.(cm)`, dataBruch[,c('Année', 'Sexe')],quantile, na.rm = TRUE, probs=.95)
+
+tapply(dataBruch$`Lf.(cm)`, dataBruch[,c('Année', 'Sexe')],quantile, na.rm = TRUE, probs=.5)
+
+sel = dataBruch$Année==2013 & dataBruch$Sexe =='F'
+
+hist(dataBruch$`Lt.(cm)`[sel])
+
+abline(v=quantile(dataBruch$`Lt.(cm)`[sel], probs = 0.05))
+
+sel = dataBruch$Sexe=='M'
+lm (dataBruch$`Lt.(cm)`[sel]~dataBruch$`Lf.(cm)`[sel])
+
+summary(lm (dataBruch$`Lt.(cm)`~dataBruch$`Lf.(cm)`))
+summary(lm (dataBruch$`Lt.(cm)`~dataBruch$`Lf.(cm)` * dataBruch$Sexe))
+
+# ====================================================
+# fecundity
+# Taverny 1991
+# ====================================================
+(41*172895+33*202902+74*186424)/(41+33+74)
+(41*98390+33*110386+74*104325)/(41+33+74)
+
+# ============================================================
+# maximal production of recruit in GR3D for the Garonne basin
+# ============================================================
+bj=-log(1.7e-3) /.33
+cj= 4.1e-4 / (84810*.5356)
+(alphaj = bj*exp(-bj*.33)/(cj*(1-exp(-bj*.33))))
+
+# ================================================
+# growth in GR3D
+# ================================================
+
+# ------------------------------------------------
+# temperature effect on growth
+# ------------------------------------------------
+temperatureEffect= function(temp, Tmin, Topt, Tmax){
+#  if (temp<=Tmin | temp >= Tmax)
+#    return(0)
+#  else
+    response=(temp-Tmin)*(temp-Tmax)/((temp-Tmin)*(temp-Tmax)-(temp-Topt)^2)
+    
+    response[temp<=Tmin | temp >= Tmax] = 0
+      return(response)
+
+  }
+temperature=seq(8,30,.1)
+# temperature effect on spawner survival 
+plot(temperature, temperatureEffect(temperature, 10, 20, 23), type='l')
+# temperature effect on recruit survival 
+lines(temperature, temperatureEffect(temperature, 9.75, 20, 26), , col='red')
+
+
+lines(temperature, temperatureEffect(temperature, 9.75, 20, 26) * temperatureEffect(temperature, 10, 20, 23), type='l', col='green')
+lines(temperature, temperatureEffect(temperature, 9.75, 20, 26) * temperatureEffect(temperature, 10, 20, 23) * exp(-.4*5), type='l', col='blue')
+tempData=read.csv("/home/patrick.lambert/Documents/workspace/GR3D/data/input/reality/SeasonTempBVFacAtlant1801_2100_newCRU_RCP85.csv", sep=";")
+sel = tempData$NOM=="Garonne" & tempData$Year>=2008 & tempData$Year<=2018
+plot(tempData$Year[sel], tempData$Winter[sel], type='l')
+Tref=colMeans(tempData[sel, c("Winter", "Spring", "summer", "Autumn")])
+points(Tref,  temperatureEffect(Tref, 9.75, 20, 26), col="red")
+text(Tref, temperatureEffect(Tref, 9.75, 20, 26),  c("Winter", "Spring", "Summer", "Autumn"), pos=1)
+
+mean( temperatureEffect(Tref, 9.75, 20, 26))
+# ----------------------------------------------
+# growth simulation
+# ----------------------------------------------
+vonBertalaffyGrowth = function(age, L0, Linf, K){
+  t0=log(1-L0/Linf)/K
+  return(Linf*(1-exp(-K*(age-t0))))
+}
+
+Pauly= function(age, t0, Linf, K, D){
+  return(Linf/10*((1-exp(-K*D*(age-t0)))^(1/D)))
+}
+
+vonBertalaffyIncrement = function(nStep, L0, Linf, K, deltaT, sigma, withTempEffect=FALSE){
+  tempEffect = temperatureEffect( c(7.753891, 14.979708, 19.782974, 11.108207) , 3, 17, 26)
+  L=matrix(nrow=nStep+1)
+  L[1]=L0
+  for (i in 1:nStep) {
+    mu = log((Linf-L[i])*(1-exp(-K*deltaT))) - sigma*sigma/2
+    increment = exp(rnorm(1, mu, sigma))
+    if (withTempEffect){
+      increment = increment * tempEffect[((i-1) %% 4)+1]
+    }
+    L[i+1]=L[i]+increment
+  }
+  return(L)
+}
+
+vonBertalaffyIncrement(6/.25, 0, 60, 0.3900707, .25, .2)
+
+age=seq(0,6,.25)
+plot(age,vonBertalaffyGrowth(age, 2, 60, 0.3900707), type="l")
+for (i in 1:100) {
+  lines(age, vonBertalaffyIncrement(6/.25, 2, 60, 0.3900707, .25, .2), col='red')
+}
+lines(age, vonBertalaffyGrowth(age, 2, 60, 0.3900707), lwd=3, col='black')
+abline(h=40)
+for (i in 1:100) {
+  lines(age, vonBertalaffyIncrement(6/.25, 2, 60, 0.3900707, .25, .2, withTempEffect = TRUE), col='green')
+}
+ lines(age, vonBertalaffyGrowth(age, 2, 60, 0.3900707*mean(temperatureEffect(Tref, 3, 17, 26))), lty=2, lwd = 2)
+
+abline(h=40)
+
+
+
+nbRep=1000
+res=matrix(nrow=nbRep)
+for (i in 1:nbRep) {
+ prov = vonBertalaffyIncrement(24, 2, 60, 0.3900707, .25, .2)
+ res[i] = prov[max(which(prov < 40))+4]
+}
+mean(res)
+hist(res,20)
+abline(v=mean(res), col='red')
+
+res2=matrix(nrow=nbRep)
+for (i in 1:nbRep) {
+  res2[i] = vonBertalaffyIncrement(4, 40, 60, 0.3900707, .25, .2)[5]
+}
+mean(res2)
+hist(res2,20)
+abline(v=mean(res2), col='red')
+
+
+# ======================================================================
+# exploration of growth for male and female
+# ======================================================================
+correction=mean(temperatureEffect(Tref, 3, 17, 26))
+
+age=seq(0,10,.25)
+present = vonBertalaffyGrowth(age, 2, 60, 0.3900707 * correction)
+plot(age, present, type='l', lwd=3, ylim =c(0,80))
+present[age == 5]
+abline(v=5)
+
+male =  vonBertalaffyGrowth(age, 2, 65, 0.3900707 * correction)
+lines(age, male, type='l', lwd=3, ylim =c(0,80), col='blue')
+abline(h=40, col='blue', lwd=2, lty=2)
+male[age == 5]
+
+female =  vonBertalaffyGrowth(age, 2, 75, 0.3900707*55/40 * correction)
+lines(age, female, lwd=3, col='red')
+abline(h=55, col='red', lwd=2, lty=2)
+female[age == 5]
+
+## a partir d'individus en mer donc à croissance  de plus lente à mesure qu'ils sont agées
+(taverny = Pauly(age,t0=-0.7294, Linf=701.59, K=0.4491, D=.5912))
+lines (age, taverny, lwd=2, col ='green')
+taverny[age == 5]
+
+# ===================================================================
+# GR3D outputs
+# =====================================================================
+simData=read.csv("/home/patrick.lambert/Documents/workspace/GR3D/data/output/lengthAgeDistribution_1-RCP85.csv", sep=";", row.names = NULL)
+
+simGaronne= simData[simData$basin =="Garonne",]
+sel=simGaronne$nbSpawn == 0
+tapply(simGaronne$length[sel], simGaronne[sel,c('year')],quantile, na.rm = TRUE, probs=.5)
+
+
+# masse des gonades avant
+sel = (dataBruch$LOT =='Tuilières' | dataBruch$LOT =='Golfech') & !is.na(dataBruch$`M.gonades.(g)`) & dataBruch$Sexe =='F'
+mean(dataBruch$`M.gonades.(g)`[sel]/dataBruch$`M.tot.(g)`[sel])
+
+
+
+sel = (dataBruch$LOT =='Tuilières' | dataBruch$LOT =='Golfech') & dataBruch$Sexe =='F'
+sum(sel)
+Wpre = mean(dataBruch$`M.tot.(g)`[sel])
+Wgonad =mean(dataBruch$`M.gonades.(g)`[sel], na.rm = TRUE)
+
+sel = (! (dataBruch$LOT =='Tuilières' | dataBruch$LOT =='Golfech')) & dataBruch$Sexe =='F'
+Wpost= mean(dataBruch$`M.tot.(g)`[sel])
+WgonadSpent =mean(dataBruch$`M.gonades.(g)`[sel], na.rm = TRUE)
+(Wloss=(Wpre - Wpost)/Wpre)