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Ecological portrayal of old-growth forests and persistent woodlands in the cilento and vallo di Diano National Park (southern Italy)
Marchetti
,
Marco
,
Tognetti
,
Roberto
,
Lombardi
,
Fabio
,
Chiavetta
,
U.
,
Palumbo
,
Giuseppe
,
Sellitto
,
Vincenzo Michele
,
Colombo
,
C. Massimo
,
Iovieno
,
Paola
,
Alfani
,
Anna
,
Baldantoni
,
Daniela
,
Barbati
,
Anna
,
Ferrari
,
Barbara
,
Bonacquisti
,
Sandro
,
Capotorti
,
Giulia
,
Copiz
,
Riccardo
,
Blasi
,
Carlo
biodiversity
mediterranean region
ecological characterization
managed stands
old-growth forests
persistent woodlands
soil
Mostra abstract
The maintenance of certain levels of old forest represents a cornerstone of the EU's biodiversity management strategy. A consensus on a single general ecological definition of old-growth is particularly difficult in Mediterranean Europe. The present paper deals with old-growth forests and persistent woodlands in the Cilento and Vallo di Diano National Park (PNCVD) to give an ecological understanding of forest complexity and dynamics under a multiscale and multidisciplinary perspective. The multiscale approach ranged from the identification and mapping of potential old-growth stands at landscape scale to a two-level field review of forest stand features. Field sampling involved a multidisciplinary team of researchers in forest structure, pedologic environment, soil microbial activity, flora and vegetation and deadwood components. The research provided sound knowledge about old-growthness features in the PNCVD that constitutes a unique case study in the whole Mediterranean basin. The integration of results allowed to: identify main ecosystem functions and the related services of the old-growth forests in the study area; distinguish persistent woodlands, multi-aged stands with old trees deriving from nineteenth-century management practices, from old-growth forests sensu strictu; recognize indicators of direct and indirect impacts of human activities; suggest effective practices for sustainable management in the Mediterranean context. © 2010 Società Botanica Italiana.