Assessing temporal variation of primary and ecosystem production in two Mediterranean forests using a modified 3-PG model (Articolo in rivista)

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Label
  • Assessing temporal variation of primary and ecosystem production in two Mediterranean forests using a modified 3-PG model (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s13595-013-0315-7 (literal)
Alternative label
  • Angelo Nolè, Alessio Collalti, Federico Magnani, Pierpaolo Duce, Agostino Ferrara, Giuseppe Mancino, Serena Marras, Costantino Sirca, Donatella Spano, Marco Borghetti (2013)
    Assessing temporal variation of primary and ecosystem production in two Mediterranean forests using a modified 3-PG model
    in Annals of forest science (Print); Springer Paris, Paris (Francia)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Angelo Nolè, Alessio Collalti, Federico Magnani, Pierpaolo Duce, Agostino Ferrara, Giuseppe Mancino, Serena Marras, Costantino Sirca, Donatella Spano, Marco Borghetti (literal)
Pagina inizio
  • 729 (literal)
Pagina fine
  • 741 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.springer.com/article/10.1007/s13595-013-0315-7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 70 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 13 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Scuola di Scienze Agrarie, Forestali, Alimentari e Ambientali, Università della Basilicata, Potenza; Divisione Impatti su Agricoltura, Foreste ed Ecosistemi Naturali (IAFENT), Centro euroMediterraneo sui Cambiamenti Climatici (CMCC), Viterbo; Dipartimento di Colture Arboree, Università di Bologna; CNR IBIMET, Sassari;Dipartimento di Scienza della Natura e del Territorio, Università di Sassari. (literal)
Titolo
  • Assessing temporal variation of primary and ecosystem production in two Mediterranean forests using a modified 3-PG model (literal)
Abstract
  • Context. Forest ecosystem carbon uptake is heavily affected by increasing drought in the Mediterranean region. Aims. The objectives of this study were to assess the capacity of a modified 3-PG model to capture temporal variation in gross primary productivity (GPP), and ecosystem net carbon uptake (NEE) in two Mediterranean forest types. Methods. The model was upgraded from a monthly (3-PG) to a daily time step (3-PGday), and a soil water balance routine was included to better represent soil water availability. The model was evaluated against seasonal GPP and NEE dynamics from eddy covariance measurements. Results. Simulated and measured soil water content values were congruent throughout the study period for both forest types. 3-PGday effectively described the following: GPP and NEE seasonal patterns; the transition of forest ecosystems from carbon sink to carbon source; however, the model overestimated diurnal ecosystem respiration values and failed to predict ecosystem respiration peaks. Conclusions. The model served as a rather effective tool to represent seasonal variation in gross primary productivity, and ecosystem net carbon uptake under Mediterranean drought-prone conditions. However, its semi-empirical nature and the simplicity inherent in the original model formulation are obstacles preventing the model working well for short-term daily predictions. (literal)
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