NDLI: Comparison of postfire mortality in endemic Corsican black pine (Pinus nigra ssp. laricio) and its direct competitor (Pinus pinaster)

Content Provider	Springer Nature Link
Author	Pimont, François Prodon, Roger Rigolot, Eric
Copyright Year	2011
Abstract	Laricio pine (Pinus nigra J.F. Arn. ssp. laricio (Poiret) Maire var Corsicana Hyl.) is a form of black pine endemic to Corsica, that may now be under threat due to current fire regimes and competition with maritime pine (Pinus pinaster Aiton).This study aimed to compare postfire mortality in laricio and maritime pine in a mixed stand in northwest Corsica. Diameter at breast height, bark char, bole length charred, and tree mortality were measured in 661 trees 9 months after a severe fire. Logistic regressions were used to determine mortality probabilities which, to compare the two species, were expressed in relation to species, age, and species-independent severity indicators.For all ages considered, laricio pine mortality was up to threefold that of maritime pine. The differences between the species were most significant in pines less than 60 years old and exposed to severe conditions. This was mainly due to differences in growth rate between the two species.Considering life history traits, maritime pine appears to be better adapted than laricio pine to the risk of fire. As the frequency of major fires in Corsica is on the increase, constituting a real threat for endemic species, we provide a few management guidelines for conservation of the laricio pine.
Starting Page	425
Ending Page	432
Page Count	8
File Format	PDF
ISSN	12864560
Journal	Annals of Forest Science
Volume Number	68
Issue Number	2
e-ISSN	1297966X
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-03-03
Publisher Institution	Institut National de la Recherche Agronomique (INRA)
Publisher Place	Paris
Access Restriction	Subscribed
Subject Keyword	Fire impact Pine Postfire mortality Survival Logistic regression Tree Biology Forestry Environment Wood Science & Technology Forestry Management
Content Type	Text
Resource Type	Article
Subject	Ecology Forestry

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