Skip to main content

Transient historical decrease in earlywood and latewood density and unstable sensitivity to summer temperature for Norway spruce in northeastern France

Buy Article:

$50.00 plus tax (Refund Policy)

Abstract:

Twentieth century variations in mean ring density of Norway spruce (Picea abies (L.) Karst.), including a pluridecennial decrease and a recent increase, were found in limited accordance to temperature variations. In this study, historical variations in earlywood and latewood density were analysed to establish (i) whether they differ, (ii) whether they show contrasted response to temperature, and (iii) whether historical variations in latewood density remain in closer accordance to temperature than in mean ring density. Earlywood and latewood historical chronologies were estimated after a statistical filtering out of the effects of developmental stage, growth rate, tree, and site variations. Moving-window correlations between summer temperature and, respectively, earlywood and latewood density were computed over the 20th century. Their temporal stability was tested. Earlywood and latewood revealed synchronous variations: a slow decrease over 1900–1950, a steep decrease over 1950–1980, and an increase until 2000. However, latewood density decreased twice as much on average (–36 kg⋅m–3) as earlywood density (–17 kg⋅m–3). Earlywood density revealed poor and highly variable correlation with summer temperature. Latewood density and summer temperature were strongly correlated. Yet, this correlation was found to be unstable and particularly weak during the latewood density decrease. Latewood density and summer temperature trends further exhibited opposed variations over 1965–1980, highlighting a pattern of “divergence”, as primarily detected at treelines.

Document Type: Rapid Communication

DOI: https://doi.org/10.1139/x11-182

Affiliations: 1: AgroParisTech, ENGREF, UMR 1092 Laboratoire d’Etude des Ressources Foret Bois (LERFoB), 14 rue Girardet, 54000 Nancy, France. 2: INRA, Centre de Nancy, UMR 1092 Laboratoire d’Etude des Ressources Foret Bois (LERFoB), 54280 Champenoux, France.

Publication date: 2012-02-11

More about this publication?
  • Published since 1971, this monthly journal features articles, reviews, notes and commentaries on all aspects of forest science, including biometrics and mensuration, conservation, disturbance, ecology, economics, entomology, fire, genetics, management, operations, pathology, physiology, policy, remote sensing, social science, soil, silviculture, wildlife and wood science, contributed by internationally respected scientists. It also publishes special issues dedicated to a topic of current interest.
  • Information for Authors
  • Submit a Paper
  • Subscribe to this Title
  • Terms & Conditions
  • Sample Issue
  • Reprints & Permissions
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free ContentFree content
  • Partial Free ContentPartial Free content
  • New ContentNew content
  • Open Access ContentOpen access content
  • Partial Open Access ContentPartial Open access content
  • Subscribed ContentSubscribed content
  • Partial Subscribed ContentPartial Subscribed content
  • Free Trial ContentFree trial content
Cookie Policy
X
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more