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carbon concentrations and carbon storage capacity of three old-growth forests in the Sila National Park,Southern Italy

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Journal of forestry Research 2023年第1期34卷 233-242页

作者： Giovanni Di Matteo Giuseppe Luzzi Antonio Basile Angelo Sposato Giada Bertini Ulderico Neri Bruno Pennelli Rosario Napoli Pierfrancesco Nardi Consiglio per la ricerca e l’analisi dell’economia agraria Research Centre for Agriculture and Environment(CREA-AA)Via della Navicella 2-400184 RomeItaly Sila National Park Via NazionaleLorica Di San Giovanni in Fiore87055 CosenzaItaly Consiglio per la ricerca e l’analisi dell’economia agraria Research Centre for Forestry and Wood(CREA-FL)Viale Santa Margherita 8052100 ArezzoItaly

Old-growth forests play a key-role in reducing atmospheric carbon dioxide(CO_(2)) concentrations by storing large CO_(2)amounts in biomass and soil over *** quantifies the carbon pool into different forest compartments in three Mediterranean old-growth forests of Southern Italy populated by Pinus laricio,Fagus sylvatica and Abies *** carbon pools have been assessed per compartment,i.e.,living trees,dead wood,litterfall(foliar and woody),roots and 0-20 cm topsoil,combining the whole old-growth forest mass,(i.e.,using tree allometric relationships,deadwood factor conversions,root-to-shoot ratios,litterfall and soil samplings) by the respective organic carbon *** results show the considerable capacity of these forest ecosystems in storing CO_(2)in biomass and soil,with carbon pool values ranging from 532.2to 596.5 Mg C *** trees and 0-20 cm topsoil had larger carbon pool,contributing 53.0 and 22.1%,*** most cases,organic carbon concentration was higher(more than 60%) than the average carbon conversion rate of 50%,especially in living trees,deadwood,and woody *** study contributes further scientific evidence of the capacity of old-growth forests in storing CO_(2)in their different compartments,with special evidence on tree biomass,litterfall and mineral soil,thereby highlighting the key role of old-growth forests within the challenge of climate change mitigation.

关键词： Ecosystem carbon pool Organic carbon concentration Ecosystem compartment Climate change mitigation carbon forestry

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