Assessing temporal variation of primary and ecosystem production in two Mediterranean forests using a modified 3-PG model Nolè A., Collalti A., Magnani F., Duce P., Ferrara A., Mancino G., Marras S., Sirca C., Spano D., Borghetti M. 2014, Annals of Forest Science, doi: 10.1007/s13595-013-0315-7