Augmentation de Productivité Du Chêne Pubescent En Région Méditerranéenne Française. Rathgeber, C., Guiot, J., Roche, P., & Tessier, L. 56(3):211–219.
Augmentation de Productivité Du Chêne Pubescent En Région Méditerranéenne Française [link]Paper  doi  abstract   bibtex   
Quercus humilis increase of productivity in the Mediterranean area. Several recent studies have shown an increasing long-term growth trend for various forest tree species in western Europe. Nevertheless such studies have not yet been performed in Mediterranean Europe. The aim of this work is to analyse changes in productivity of some Mediterranean forest ecosystems compared with other medioeuropean forest ecosystems. Sixteen Quercus humilis (Miller) populations were sampled in south-east France. Tree ring widths were measured for each tree according to three radius, and annual basal area increments were calculated. Two growth indexes (IP and IC) were calculated with two different standardization techniques, in order to remove age and inter-station productivity effects. From the IP and IC indexes we can see that there was a productivity increase during the last century, this increase being evaluated at 100 % (IC index). These results indicate that the Mediterranean forest ecosystems have shown a high productivity increase over the last century, as have the medioeuropean forest ecosystems. The best hypothesis to explain this increasing long-term growth trend is a direct CO2 fertilization along with N deposition fertilization. ( Inra/Elsevier, Paris.)
@article{rathgeberAugmentationProductiviteChene1999,
  title = {Augmentation de Productivité Du Chêne Pubescent En Région Méditerranéenne Française},
  author = {Rathgeber, Cyrille and Guiot, Joël and Roche, Philip and Tessier, Lucien},
  date = {1999},
  journaltitle = {Annals of Forest Science},
  volume = {56},
  pages = {211--219},
  issn = {0003-4312},
  doi = {10.1051/forest:19990303},
  url = {https://doi.org/10.1051/forest:19990303},
  abstract = {Quercus humilis increase of productivity in the Mediterranean area. Several recent studies have shown an increasing long-term growth trend for various forest tree species in western Europe. Nevertheless such studies have not yet been performed in Mediterranean Europe. The aim of this work is to analyse changes in productivity of some Mediterranean forest ecosystems compared with other medioeuropean forest ecosystems. Sixteen Quercus humilis (Miller) populations were sampled in south-east France. Tree ring widths were measured for each tree according to three radius, and annual basal area increments were calculated. Two growth indexes (IP and IC) were calculated with two different standardization techniques, in order to remove age and inter-station productivity effects. From the IP and IC indexes we can see that there was a productivity increase during the last century, this increase being evaluated at 100 \% (IC index). These results indicate that the Mediterranean forest ecosystems have shown a high productivity increase over the last century, as have the medioeuropean forest ecosystems. The best hypothesis to explain this increasing long-term growth trend is a direct CO2 fertilization along with N deposition fertilization. ( Inra/Elsevier, Paris.)},
  keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-6929639,forest-resources,france,mediterranean-region,quercus-pubescens,silviculture},
  number = {3}
}

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