Influence of cambial age and climate on ring width and wood density in Pinus radiata families
Identifieur interne : 004E75 ( Main/Exploration ); précédent : 004E74; suivant : 004E76Influence of cambial age and climate on ring width and wood density in Pinus radiata families
Auteurs : Miloš Ivkovic [Australie] ; Washington Gapare [Australie] ; Harry Wu [Australie] ; Sergio Espinoza [Chili] ; Philippe Rozenberg [France]Source :
- Annals of forest science : (Print) [ 1286-4560 ] ; 2013.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Climat, Changement climatique.
English descriptors
- KwdEn :
Abstract
Context The correlation between tree ring width and density and short-term climate fluctuations may be a useful tool for predicting response of wood formation process to long-term climate change. . Aims This study examined these correlations for different radiata pine genotypes and aimed at detecting potential genotype by climate interactions. . Methods Four data sets comprising ring width and density of half- and full-sib radiata pine families were used. Correlations with climate variables were examined, after the extraction of the effect of cambial age. . Results Cambial age explained the highest proportion of the ring to ring variation in all variables. Calendar year and year by family interaction explained a smaller but significant proportion of the variation. Rainfall had a positive correlation with ring width and, depending on test site, either a negative or positive correlation with ring density. Correlations between temperature during growing season and ring density were generally negative. . Conclusion Climate variables that influence ring width and wood density can be identified from ring profiles, after removing the cambial age effect. Families can be selected that consistently show desirable response to climate features expected to become prevalent as a result of climate change.
Affiliations:
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Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Age</term>
<term>Cambium</term>
<term>Climate</term>
<term>Climate change</term>
<term>Density</term>
<term>Early wood</term>
<term>Forestry</term>
<term>Late wood</term>
<term>Pinus radiata</term>
<term>Tree ring</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Cambium</term>
<term>Age</term>
<term>Climat</term>
<term>Cerne bois</term>
<term>Bois initial</term>
<term>Densité</term>
<term>Changement climatique</term>
<term>Bois final</term>
<term>Foresterie</term>
<term>Pinus radiata</term>
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<front><div type="abstract" xml:lang="en">Context The correlation between tree ring width and density and short-term climate fluctuations may be a useful tool for predicting response of wood formation process to long-term climate change. . Aims This study examined these correlations for different radiata pine genotypes and aimed at detecting potential genotype by climate interactions. . Methods Four data sets comprising ring width and density of half- and full-sib radiata pine families were used. Correlations with climate variables were examined, after the extraction of the effect of cambial age. . Results Cambial age explained the highest proportion of the ring to ring variation in all variables. Calendar year and year by family interaction explained a smaller but significant proportion of the variation. Rainfall had a positive correlation with ring width and, depending on test site, either a negative or positive correlation with ring density. Correlations between temperature during growing season and ring density were generally negative. . Conclusion Climate variables that influence ring width and wood density can be identified from ring profiles, after removing the cambial age effect. Families can be selected that consistently show desirable response to climate features expected to become prevalent as a result of climate change.</div>
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