#Species community data frame (fish abundance): “DoubsSpe.csv”
spe<- read.csv(file.choose(), row.names=1)
spe<- spe[-8,] #Site number 8 contains no species and so row 8 (site 8) is removed. Be careful to
#only run this command line once as you are overwriting "spe" each time. 

#Environmental data frame: “DoubsEnv.csv”
env<- read.csv(file.choose(), row.names=1)
env<- env[-8,] #Remove corresponding abiotic data for site 8 (since removed from fish data). 
#Again, be careful to only run the last line once.