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Influence of pruning upon carbon dioxide fixation with urban greening

せん定管理が都市緑化樹木のCO2固定に与える影響に関する考察
Authors: Nobuo FUJIWARA; Yutaka YAMAGISHI; Takashi TANAKA; Keiji NIIJIMA; Keiko NAKAI;

Influence of pruning upon carbon dioxide fixation with urban greening

Abstract

街路樹を対象として,1回の剪定作業による剪定枝発生量の実測調査と,剪定頻度についての管理者ヒヤリングと全国アンケートを行い,両調査の結果から,剪定管理により持ち出される樹木1本あたりの年間木質部重量を,形状寸法との関係を踏まえて算定し,無剪定下にある樹木の年間木質部成長量と比較することにより,剪定管理が街路樹のCO2固定量に与える影響について考察した。実測の結果,剪定枝発生量は,樹木の成長とともに増大し,胸高直径25cmにおいて,4樹種平均で,無剪定樹木の年間木質部成長量の45.3%に達することが判明した。また,アンケート調査からは,無剪定管理下にある樹木が,6樹種平均で17.9%存在することが判明し,今後のCO2固定促進方策において,剪定枝の有効利用,無剪定管理を可能とする植栽方法の検討の必要性が示唆された。

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Average
Top 10%
Average
gold