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Extending effect of a wind disturbance: mortality of Abies sachalinensis following a strong typhoon in a natural mixed forest

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Title: Extending effect of a wind disturbance: mortality of Abies sachalinensis following a strong typhoon in a natural mixed forest
Authors: Sato, Tsuyoshi Browse this author
Yamazaki, Haruka Browse this author
Yoshida, Toshiya Browse this author →KAKEN DB
Keywords: Sakhalin fir
spatial patterns
Typhoon Songda
Issue Date: Sep-2017
Publisher: Taylor & Francis
Journal Title: Journal of Forest Research
Volume: 22
Issue: 6
Start Page: 336
End Page: 342
Publisher DOI: 10.1080/13416979.2017.1381492
Abstract: Strong wind constitutes the major force behind disturbance of northern Japanese forests. Canopy gaps induced by disturbance are responsible for subsequent recovery of the stand (i.e. enhancement of growth and recruitment). There is also a possibility that a sudden change in stand structure, involving significant microclimatic alterations, results in further stand degradation. We therefore examined a hypothesis proposing that wind disturbance causes indirect and delayed negative effects on the demography of Abies sachalinensis, a dominant conifer species of northern Japanese natural mixed forests. Data for all trees in a 3-ha study stand with diameter at breast height >= 10 cm were recorded for over 10 years, including the period of severe wind disturbance induced by Typhoon Songda in 2004. We found that the total amount of dead A. sachalinensis in the post-disturbance period was equivalent to that in the wind disturbance. The mortality of the species was generally high in larger trees. Within 1-2 years immediately after the disturbance, dead trees frequently presented the uprooted form despite there being no record of strong winds, suggesting that the physical influence of the disturbance persisted. Moreover, these dead trees showed spatial association with trees in the surrounding trees that died due to strong wind. In contrast, most A. sachalinensis trees that died 3-8 years later showed growth reduction after the disturbance. We conclude that a strong wind disturbance can have long-term influence on the stand dynamics, during which the possible cause of tree deaths changes gradually from physical damage to physiological stress.
Rights: This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Forest Research on September 2017, available online: .
Type: article (author version)
Appears in Collections:北方生物圏フィールド科学センター (Field Science Center for Northern Biosphere) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 吉田 俊也

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