bring respirartion changes backinto master
finxing an undefined gpp
corporating autotraopic rrspirration iunnto npp
adding Q10 to params list
changing ref temp of auto resp
adding sitch et al. 2003 auto respirartion functions for root, shoot and stem. Assuming evergreen phenolgy
correcting phemnology in repsirartion by remocving gpp requiredment
tuning r10. Need proper paramter value at some point
merging with (mainly) respiurartion changes in master