Time-course foliar dynamics of poplar short rotation plantations under Mediterranean conditions. Responses to different water scenarios

Poplar (Populus spp.) Short Rotation Coppice (SRC) systems are characterized by high short-term biomass productivity and play a key role in promoting employment rural areas as well supplying environmental benefits. However, the context of climate change with expected reduced water availability Mediterranean area, these plantations may be seriously limited. In this regard, aim work is to analyse monthly dynamic responses relevant variables at foliar level throughout entire first rotation poplar short plantation under two scenarios: optimal scenario (with irrigation field capacity (FC)) versus restrictive 50% FC irrigation). This data came from 590 trees highly productive genotype ‘AF2‘. LAImax values 2.39, 7.47 9.34 were found for three-year cycle, pointing significantly lower after establishment year scenario. SLA mean displayed downward trend, 12.25 m2 kg−1, 10.82 kg−1 10.47 years 1, 2 3 respectively, no significant differences being observed between scenarios. NPK concentrations decreased over rotation, Additionally, selected genotype, ‘AF2’, tight stomatal control conditions stress, maintaining photosynthetic levels. The study can potentially used better understand behavior which most affect production face change.