A parameter-based method for determining thinning intensity

Corona, Piermaria; Nocentini, Susanna

doi:10.4129/ifm.2009.6.03

Cited by 1 publication

(1 citation statement)

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“…For instance, while RF prediction is often affected by (Ciancio & Nocentini, 2011) and those dynamics can hardly be included in a model. In addition, we must also consider that Black pine is a very plastic species which can grow in a very wide spectrum of areas (Vidakovic, 1974;Isajev et al, 2004;Corona & Nocentini, 2009). Different biotic and a-biotic factors are involved (Pearson & Dawson, 2003).…”

Section: Discussionmentioning

confidence: 99%

Future scenarios and conservation strategies for a rear-edge marginal population of Pinus nigra Arnold in Italian central Apennines

Marchi¹,

Nocentini²,

Ducci³

2016

For. syst.

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Aim of the study: To forecast the effects of climate change on the spatial distribution of Black pine of Villetta Barrea in its natural range and to define a possible conservation strategy for the species Area of study: A rear-edge marginal population of Pinus nigra spp. nigra in Abruzzo region, central Italian Apennines Matherials and Methods: For its adaptive and genetic traits this population is considered endemic of the Italian peninsula and represents a rear-edge marginal population of nigra subspecies. The spatial distribution of the tree in the administrative Region (Abruzzo) was used to define the ecological traits while three modelling techniques (GLM, GAM, Random Forest) were used to build a Species distribution model according to two climatic scenarios.Main results: The marginal population's range was predicted to shift at higher elevations as consequence of climatic adaptation. Many zones, represented by the higher part of the mountains surrounding the study area (currently bare and inhospitable for trees), were identified as suitable in future for the species. However, in the case of a rapid climate change, this marginal population may not be able to move as fast as necessary. An in-situ adaptive management integrated with an assisted migration protocol might be considered to favour natural regeneration and improve the richness and variability of the genetic pool.Research highlights: Most of the genetic richness is held in small populations at the borders of natural distribution of forest species. Monitoring this MAP could be useful to understand the adaptive processes of the species and could support the future management of many other within-core populations.

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Section: Discussionmentioning

confidence: 99%