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Photosynthetic nitrogen and water use efficiency of acacia and eucalypt seedlings as afforestation species

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Title: Photosynthetic nitrogen and water use efficiency of acacia and eucalypt seedlings as afforestation species
Authors: Novriyanti, E. Browse this author
Watanabe, M. Browse this author
Makoto, K. Browse this author
Takeda, T. Browse this author
Hashidoko, Y. Browse this author
Koike, T. Browse this author →KAKEN DB
Keywords: afforestation
fast growing species
photosynthetic nitrogen-use efficiency
photosynthetic rate
photosynthetic water-use efficiency
Issue Date: Jun-2012
Publisher: Springer Netherlands
Journal Title: Photosynthetica
Volume: 50
Issue: 2
Start Page: 273
End Page: 281
Publisher DOI: 10.1007/s11099-012-0033-7
Abstract: The ecophysiological traits of acacia and eucalypt are important in assessing their suitability for afforestation. We measured the gas-exchange rate, the leaf dry mass per area (LMA) and the leaf nitrogen content of two acacia and four eucalypt species. Relative to the eucalypts, the acacias had lower leaf net photosynthetic rate (PN), lower photosynthetic nitrogen-use efficiency (PNUE), higher water-use efficiency (WUE), higher LMA and higher leaf nitrogen per unit area (Narea). No clear differences were observed within or between genera in the maximum rate of carboxylation (Vcmax) or the maximum rate of electron transport (Jmax), although these parameters tended to be higher in eucalypts. PNUE and LMA were negatively correlated. We conclude that acacias with higher LMA do not allocate nitrogen efficiently to photosynthetic system, explaining why their PN and PNUE were lower than in eucalypts.
Rights: The final publication is available at
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: Eka Novriyanti

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