Abstract
From the early 2000s, many forestation projects were carried out in the flooding areas of the Po River to preserve abandoned or damaged riverbanks and establish natural populations of Populus nigra L. for species conservation and future seed collection activities. Different clones of P. nigra, belonging to a collection of the Centre for Forestry and Wood (CREA-FL), were planted. The group named ‘POBIA’ comprises 35 selected clones chosen for their survival ability and fast growth. After plantation and a few essential cultural inputs, four establishments were left undisturbed. This study highlights the survival, growth, and performance results of the ‘POBIA’ group compared to other not-selected clones. The ‘POBIA’ clones showed a higher survival than the not-selected clones. Moreover, the ‘POBIA’ groups showed a significantly higher C sink performance in three of four establishments, reaching 278.6 t ha−1 of CO2 obtained in thirteen years in one site. The management of ‘POBIA’ clones in reforestation projects agrees with the EU recommendations for a vital ecosystem service.
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