Vol. 60 No. 4 (2005):
Special section

Ecophysiological behaviour of hardwood species in renaturalization processes of coniferous plantations

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  • Carmela M. D'Alessandro,
  • Marco Borghetti,
  • Antonio Saracino
Carmela M. D'Alessandro
Assegnista di Ricerca presso il Dipartimento di Scienze dei Sistemi Colturali, Forestali e dell’Ambiente, Università della Basilicata, Via dell’Ateneo Lucano, 10 – 85100 Potenza.
Marco Borghetti
Ordinario di Selvicoltura speciale presso l’Università della Basilicata, Via dell’AteneoLucano, 10 – 85100 Potenza.
Antonio Saracino
Associato di Ecologia Forestale presso l’Università della Basilicata, Via dell’Ateneo Lucano, 10 – 85100 Potenza.

Published 2005-08-31

Keywords

  • conifer plantations,
  • renaturalization,
  • native hardwoods,
  • relative irradiance,
  • ecophysiological behaviour

Copyright (c) 2013 Italian Journal of Forest and Mountain Environments

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Abstract

Coniferous plantations may play a nurse effect for natural regeneration of nativehardwood species, which would otherwise be conditioned by intraspecific competitiondue to trees of the upper layers or be prevented by high radiation load of openenvironments.Regulation of canopy cover by means of thinning, generates temporary orpermanent variations of levels of irradiance in lower forest layers. These affect thecapability of recruitment and establishment and the ecophysiological behaviour ofnatural regeneration.Here we present a review of the notions on effects of relative irradiance variationson ecophysiological behaviour of native tree species in lower layers of mesophile andmeso-xerophile forests, giving some specific examples produced during the nationalproject PRIN 2003 FOR_BIO.
PDF (Italiano)

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