Relationship between forest canopy and natural regeneration in the subalpine spruce-larch forest (north-east Italy)

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dc.contributor.authorMarchi, Alessandro
dc.contributor.authorPaletto, Alessandro
dc.contributor.organizationAgricultural Research Council – Forest Monitoring and Planning Research Unit (CRA-MPF), Trento, Italypl_PL
dc.date.accessioned2014-10-23T20:04:13Z
dc.date.available2014-10-23T20:04:13Z
dc.date.issued2010
dc.description.abstractThe authors describe the difference between canopy cover (proportion of the forest floor covered by the vertical projection of the tree crowns) and canopy closure (proportion of sky hemisphere obscured by vegetation when viewed from a single point) and the respective ground-based estimation techniques focused on two types of densiometer (GRS tube and spherical). The data collected in the field were used to analyse the relationship between forest canopy and natural regeneration in two subtypes of subalpine larch-spruce forests. The results indicate that in the first subtype characterized by a high fertility and a high canopy cover (around 62%), the level of natural regeneration is low (115 stems per hectare) and it is nearly exclusively composed by spruce [Picea abies (L.) Karst.]. For the second subtype characterized by a low fertility and a medium canopy cover (around 49%) the natural regeneration is rather dense (650 stems per hectare). At last the authors evidence a insignificant difference between the data of forest canopy collected by different ground-based estimation techniques (+0.7% using spherical densiometer compared to using GRS tube densiometer).en
dc.description.epersonPrzemysław Szmit
dc.identifier.citationMarchi, Alessandro & Paletto, Alessandro. (2010). Relationship between forest canopy and natural regeneration in the subalpine spruce-larch forest (north-east Italy). Folia Forestalia Polonica, Series A. 52(1). 3-12.en
dc.identifier.issn0071-6677
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/5556
dc.language.isoenpl_PL
dc.publisherInstytut Badawczy Leśnictwa (Forest Research Institute), Komitet Nauk Leśnych PAN (The Committee on Forestry Sciences of the Polish Academy of Sciences)pl_PL
dc.rightsUznanie autorstwa-Na tych samych warunkach 3.0 Polska
dc.rights.urihttp://creativecommons.org/licenses/by-sa/3.0/pl/
dc.subjectspherical densiometeren
dc.subjectnatural regenerationen
dc.subjectGRS tube densiometeren
dc.subjectcanopy coveren
dc.subjectcanopy closureen
dc.titleRelationship between forest canopy and natural regeneration in the subalpine spruce-larch forest (north-east Italy)en
dc.typearticle
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