Impacts of Elevated O&lt;sub&gt;3&lt;/sub&gt; and/or CO&lt;sub&gt;2&lt;/sub&gt; on Growth of &lt;i&gt;Betula platyphylla, Betula ermanii, Fagus crenata, Pinus densiflora&lt;/i&gt; and &lt;i&gt;Cryptomeria japonica&lt;/i&gt; Seedlings

Matsumura, Hideki; Mikami, Chikako; Sakai, Yasuko; Murayama, Kazutaka; Izuta, Takeshi; Yonekura, Tetsushi; Miwa, Makoto; Kohno, Yoshihisa

doi:10.2480/agrmet.1121

Cited by 25 publications

(23 citation statements)

References 6 publications

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“…In Japan, relatively high concentrations of O 3 above 100 nl l -1 (ppb) have been frequently observed from spring to autumn in several mountainous areas (Maruta et al 1999;Aihara et al 2004;Takeda and Aihara 2007). Although limited information on the effects of O 3 on Asian forest tree species is available, several Japanese researchers have suggested that ambient levels of O 3 reduce growth and net photosynthesis of Japanese forest tree species (Izuta et al 1996;Matsumura 2001;Yonekura et al 2001aYonekura et al , 2001bYonekura et al , 2004Matsumura et al 2005). In the near future, furthermore, concentration of ground-level O 3 is expected to increase in many parts of the world, especially in Asian countries (Emberson et al 2001;Derwent et al 2002).…”

Section: Introductionmentioning

confidence: 96%

Growth and photosynthetic responses of Fagus crenata seedlings to O3 under different nitrogen loads

Yamaguchi

Watanabe

Iwasaki

et al. 2007

Trees

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To obtain the basic data for evaluating the critical level of ozone (O 3 ) to protect Japanese deciduous broad-leaved forest tree species, the growth and photosynthetic responses of Fagus crenata seedlings to O 3 under different nitrogen (N) loads were investigated. The seedlings were grown in potted andisol supplied with N as NH 4 NO 3 solution at 0, 20 or 50 kg ha -1 year -1 and were exposed to charcoal-filtered air or O 3 at 1.0, 1.5 and 2.0 times the ambient concentration for two growing seasons. The interactive effect of O 3 and N load on the whole-plant dry mass of the seedlings at the end of the second growing season was significant. The O 3 -induced reduction in the whole-plant dry mass of the seedlings was greater in the relatively high N treatment than that in the low N treatment. This interactive effect was mainly due to the difference in the degree of O 3 -induced reduction in net photosynthesis among the N treatments. The degree of O 3 -induced reduction in N availability to photosynthesis was greater in the relatively high N treatment than that in the low N treatment. In conclusion, the sensitivity of growth and photosynthetic parameters of F. crenata seedlings to O 3 become high with increasing amounts of N added to the soil. Therefore, N deposition from the atmosphere should be taken into account to evaluate the critical level of O 3 to protect Japanese deciduous broad-leaved forest tree species.

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Section: Introductionmentioning

confidence: 96%

Growth and photosynthetic responses of Fagus crenata seedlings to O3 under different nitrogen loads

Yamaguchi

Watanabe

Iwasaki

et al. 2007

Trees

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“…Elevated CO 2 concentration (eCO 2 ) may have combined effects with elevated O 3 concentration (eO 3 ) on the growth and photosynthetic capabilities of representative forest species in Japan (e.g. Matsumura et al, 2005). It is said that eCO 2 can someway compensate the negative effect of high O 3 on growth of deciduous trees related to stomatal closure (Watanabe et al, 2010;Koike et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Foliar chemical composition of two oak species grown in a free-air enrichment system with elevated O<sub>3</sub> and CO<sub>2</sub>

Shi

Kitao

Agathokleous

et al. 2016

J. Agric. Meteorol.

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Ground level ozone (O 3 ) is rapidly increasing in Asia and penetrates plants via stomata. Atmospheric carbon dioxide (CO 2 ) has also been increasing in global and in short term may promote plant growth via photosynthetic enhancement. Oaks are representative deciduous broadleaved trees native to northeastern Asia. In this study, we focused on the effects of elevated O 3 and/or CO 2 on leaf nutrients status (phosphorous, nitrogen, potassium, magnesium, etc.) of two oak species: Konara oak (Quercus serrata) and Mizunara oak (Quercus mongolica var. crispula) to assess their function. We investigated foliar starch and sugar contents and nutrients composition of leaves of 2-year-old oak seedlings grown under elevated O 3 and/or CO 2 in a free air enrichment system. From elements concentration, nitrogen and magnesium may become the major indices in assessing the O 3 effects on these species, and investigation of both of them would be of use in field studies to discriminate O 3 and CO 2 effects, especially under the projected elevated CO 2 levels.

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“…Unfortunately, there is little information on the combined effects of O 3 and elevated CO 2 or soil water stress on Japanese forest tree species (Watanabe et al, , 2005Matsumura et al, 2005;Yonekura et al, 2001a, b). Matsumura et al (2005) reported that the effect of elevated CO 2 on O 3 -induced reduction in growth was counteractive in Japanese white birch seedlings, while not in the Japanese mountain birch (Betula ermanii), Japanese beech, Japanese red pine and Japanese cedar seedlings. This result indicates that the combined effect of O 3 and elevated CO 2 is different among Japanese forest tree species.…”

Section: Elevated Co 2 and Droughtmentioning

confidence: 99%

“…However, N deposition from the atmosphere should be taken into account to evaluate the critical level of O 3 for protecting Japanese forest tree species, because the sensitivities of Japanese larch and Japanese beech to O 3 are influenced by the amount of N load to soil (Yamaguchi et al, 2007b;Watanabe et al, 2006). Furthermore, as indicated by Matsumura et al (2005) and , it is necessary to take into account the environmental factors such as atmospheric CO 2 concentration to evaluate the critical level of O 3 . To establish the critical level of O 3 for protecting Japanese forest tree species, therefore, further research concerning the combined effects of O 3 and other abiotic environmental factors on the growth of Japanese forest tree species is required.…”

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confidence: 99%

Experimental Studies on the Effects of Ozone on Growth and Photosynthetic Activity of Japanese Forest Tree Species

Yamaguchi¹,

Watanabe²,

Matsumura³

et al. 2011

Asian J. Atmos. Environ

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Impacts of Elevated O<sub>3</sub> and/or CO<sub>2</sub> on Growth of <i>Betula platyphylla, Betula ermanii, Fagus crenata, Pinus densiflora</i> and <i>Cryptomeria japonica</i> Seedlings

Cited by 25 publications

References 6 publications

Growth and photosynthetic responses of Fagus crenata seedlings to O3 under different nitrogen loads

Growth and photosynthetic responses of Fagus crenata seedlings to O3 under different nitrogen loads

Foliar chemical composition of two oak species grown in a free-air enrichment system with elevated O<sub>3</sub> and CO<sub>2</sub>

Experimental Studies on the Effects of Ozone on Growth and Photosynthetic Activity of Japanese Forest Tree Species

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