Differences in growth responses between Cryptomeria japonica and Chamaecyparis obtusa planted in group selection openings in Kyushu, southern Japan

Differences in growth responses between Cryptomeria japonica and Chamaecyparis obtusa planted in group selection openings in Kyushu, southern Japan
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日本南部九州群选区种植的日本柳杉和日本扁柏生长反应的差异

DOI:
10.1080/13416979.2017.1283978
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发表时间:
2017
影响因子:
1.5
通讯作者:
H.
H.
中科院分区:
农林科学4区
文献类型:
--
作者:
Ito;K.;Ota;T.;Mizoue;N.;Yoshida;S.;Sakuta;K.;Inoue;A.;Ito;S. and Okada;H.

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我们量化了在日本南部约0.1公顷组选择开口的柳杉japonicaandChamaaparis obtusatrees之间的生长反应的差异。我们测量了6岁和13岁的C的位置,高度(H)和地面直径(D)。japonica和C.在两个开口处分别种植了钝角木。C. japonica增加,直到树木分别为10和8米,远离最近的边缘的开口。对于C. obtusa的年生长量在距最近边6 m处略有增加,但在距最近边6 ~ 18 m处差异不显著。而距边缘最短距离分别解释了C.钝角。结果表明,C. obtus对边缘效应的敏感性低于C.日本的。我们的结论是C. obtus可能比C更适合。在0.1公顷的群体开口内种植,因为它会导致更快的早期生长,在开口内的变化较小。
We quantified the differences in growth responses betweenCryptomeria japonicaandChamaecyparis obtusatrees in approximately 0.1-ha group selection openings in southern Japan. We measured the position, height (H), and diameter at ground level (D) of 6- and 13-year-oldC. japonicaandC. obtusatrees that were planted in two respective openings. The annualHandDgrowth ofC. japonicaincreased until trees were 10 and 8 m, respectively, distant from the nearest edge of the opening. ForC. obtusa, the annualHandDgrowth increased slightly until the trees were 6 m distant from the nearest edge, but they did not significantly differ between 6 and 18 m distant from the nearest edge. While the shortest distance from the edge explained 63% and 50% of the variationsalHandDgrowth, respectively, ofC. obtusa. Our result demonstrates thatC. obtusais less sensitive to edge effects thanC. japonica. We conclude thatC. obtusais likely to be more suitable thanC. japonicafor planting within 0.1-ha group openings, as it will result in faster early stage growth, with less variation, within the openings.
小规模皆伐管理对日本南部九州针叶树人工林物种多样性和林下植被垂直结构的影响,其中包括不均匀年龄的林分。
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Hiromi Yamagawa;S. Ito;Kotaro Sakuta;N. Mizoue;T. Nakao
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DOI: 10.11519/jjfs1953.82.4_407
发表时间: 2000
期刊: Journal of The Japanese Forest Society
影响因子: --
作者:
T. Nagaike
通讯作者: T. Nagaike
专题:日本针叶树人工林的生态和管理:控制树木生长和维持生物多样性
DOI: 10.1007/s10310-006-0220-0
发表时间: 2006
影响因子: 1.5
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T. Nagaike;T. Masaki;S. Ito
通讯作者: S. Ito