Climate change and shoot elongation of alpine dwarf pine (Pinus pumila Regel): Comparisons between six Japanese mountains

N. Wada, K. Watanuki, K. Narita, S. Suzuki, G. Kudo, A. Kume

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In northern to central Japan, alpine dwarf pine (Pinus pumila Regel) is a principal component of vegetation in the alpine life zone above the timberline. In this study, we examined interannual variations in the shoot elongation of P. pumila growing on the summits of six Japanese mountains and analysed the relationships between climatic factors and shoot growth during the period from 1980 to 2003. A significant increment of annual shoot elongation over the last 24 years was detected in three populations studied in central Japan, showing synchronization between the populations. However, such a trend was not found in the populations in northern Japan. In central Japan, interannual increasing trends in summer temperatures during the period were observed at meteorological stations near the populations. In the three populations of northern Japan, however, similar trends were not obvious, but a significant decreasing trend in summer sunshine duration was observed at a meteorological station located near the northernmost population. Summer sunshine duration, as well as summer temperature, was significantly positively correlated with shoot elongation of P. pumila in four out of six populations. We discuss these geographical variations in interannual shoot elongation of P. pumila between the six populations in relation to climate change in Japan.

Original languageEnglish
Pages (from-to)253-260
Number of pages8
JournalPhyton - Annales Rei Botanicae
Volume45
Issue number4
Publication statusPublished - Oct 1 2005
Externally publishedYes

Fingerprint

Pinus pumila
Pinus
Climate Change
shoot
mountains
climate change
Japan
shoots
mountain
summer
Population
Sunlight
shoot growth
treeline
geographical variation
annual variation
solar radiation
temperature
Temperature
duration

All Science Journal Classification (ASJC) codes

  • Global and Planetary Change
  • Physiology
  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

Cite this

Climate change and shoot elongation of alpine dwarf pine (Pinus pumila Regel) : Comparisons between six Japanese mountains. / Wada, N.; Watanuki, K.; Narita, K.; Suzuki, S.; Kudo, G.; Kume, A.

In: Phyton - Annales Rei Botanicae, Vol. 45, No. 4, 01.10.2005, p. 253-260.

Research output: Contribution to journalArticle

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