NDLI: Intraspecific variability in functional traits matters: case study of Scots pine

Content Provider	Springer Nature Link
Author	Laforest Lapointe, Isabelle Martínez Vilalta, Jordi Retana, Javier
Copyright Year	2014
Abstract	Although intraspecific trait variability is an important component of species ecological plasticity and niche breadth, its implications for community and functional ecology have not been thoroughly explored. We characterized the intraspecific functional trait variability of Scots pine (Pinus sylvestris) in Catalonia (NE Spain) in order to (1) compare it to the interspecific trait variability of trees in the same region, (2) explore the relationships among functional traits and the relationships between them and stand and climatic variables, and (3) study the role of functional trait variability as a determinant of radial growth. We considered five traits: wood density (WD), maximum tree height (H max), leaf nitrogen content (Nmass), specific leaf area (SLA), and leaf biomass-to-sapwood area ratio (B L:A S). A unique dataset was obtained from the Ecological and Forest Inventory of Catalonia (IEFC), including data from 406 plots. Intraspecific trait variation was substantial for all traits, with coefficients of variation ranging between 8 % for WD and 24 % for B L:A S. In some cases, correlations among functional traits differed from those reported across species (e.g., H max and WD were positively related, whereas SLA and Nmass were uncorrelated). Overall, our model accounted for 47 % of the spatial variability in Scots pine radial growth. Our study emphasizes the hierarchy of factors that determine intraspecific variations in functional traits in Scots pine and their strong association with spatial variability in radial growth. We claim that intraspecific trait variation is an important determinant of responses of plants to changes in climate and other environmental factors, and should be included in predictive models of vegetation dynamics.
Starting Page	1337
Ending Page	1348
Page Count	12
File Format	PDF
ISSN	00298549
Journal	Oecologia
Volume Number	175
Issue Number	4
e-ISSN	14321939
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-05-22
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Forest structure Functional traits Growth Intraspecific variability Pinus sylvestris Ecology Plant Sciences Hydrology/Water Resources
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

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