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Article type: Appendix
2012 Volume 17 Issue 2 Pages
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Article type: Appendix
2012 Volume 17 Issue 2 Pages
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Article type: Index
2012 Volume 17 Issue 2 Pages
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Keiko Nagashima, Shigejiro Yoshida, Takenori Hosaka, Shigeyuki Sasaki, ...
Article type: Article
2012 Volume 17 Issue 2 Pages
43-52
Published: 2012
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The abandonment of plantation sites after clearcutting is increasing in Japan; there is concern that if vegetation fails to recover or develops too slowly after clearcutting, there will be a decline in forest ecosystem services. An appropriate management strategy for rectifying the situation might include predicting vegetation recovery for each abandoned site and prioritizing sites for restoration. Here, we present a regional-scale study that investigated a large number of abandoned plantation clearcut sites distributed across Kyushu Island. The objective was to develop a better general understanding of early-stage vegetation recovery patterns and their determinants, which will be useful in prioritizing sites for restoration. Four vegetation classes -grassland (GL), few pioneer trees (FPT), non-pioneer trees (NPT), and pioneer trees (PT)- were detected by a vegetation survey. Sites that were (1) affected by deer browsing, (2) had relatively young tree stands at the time of clearcutting, and (3) that had been clearcut recently most often recovered to GL or FPT. Under these site conditions, efforts should be directed toward reducing deer grazing to enhance vegetation recovery during the initial stages of regrowth. Restoration effort should be allocated to sites classified as GL even 5 years after clearcutting, which includes a relatively large proportion of the study area. FPT, PT, and NPT sites should be monitored over the long term. This monitoring effort should be used to determine (1) whether tree species recovery is successful in FPT sites and (2) whether PT or NPT sites will convert successfully to evergreen broad-leaved forests (lucidophyllous forests).
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Akio Inoue
Article type: Article
2012 Volume 17 Issue 2 Pages
53-57
Published: 2012
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Variation in the form-factors for stem surface area was studied in two even-aged pure stands of Japanese larch (Larix kaempferi). In the stands, all living trees were felled for stem analysis, and then the form-factors for stem surface area and stem volume at breast height and 0.7 and 0.5 in relative height, i.e., κ_b, κ_<0.7>, κ_<0.5>, λ_b, λ_<0.7> and λ_<0.5>, were calculated. The coefficients of variation (CV) of κ_<0.7> and κ_<0.5> ranged from 3.2 to 7.4% and from 3.9 to 8.8%, respectively. On the other hand, CV of κ_b ranged from 9.1 to 15.4%, indicating that the variation in κ_b was comparatively larger than those in κ_<0.7> and κ_<0.5>. The ratios of CV of form-factor for stem surface area to that for stem volume ranged from 0.3 to 0.6, indicating that the variation in the form-factors for stem surface area was smaller than that for stem volume. In conclusion, κ_<0.7> and κ_<0.5> would be effective form-factors in estimating the total stem surface area of a stand with the angle count sampling precisely.
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Article type: Appendix
2012 Volume 17 Issue 2 Pages
59-
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Article type: Appendix
2012 Volume 17 Issue 2 Pages
60-
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Motoi YOSHIOKA
Article type: Article
2012 Volume 17 Issue 2 Pages
61-
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Fumio NISHIMURA
Article type: Article
2012 Volume 17 Issue 2 Pages
61-
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Naoto MATSUMURA, Yutaka YURUGI, Shinya NUMAMOTO
Article type: Article
2012 Volume 17 Issue 2 Pages
61-
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Kazuhiro TANAKA
Article type: Article
2012 Volume 17 Issue 2 Pages
61-62
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Yoshio AWAYA
Article type: Article
2012 Volume 17 Issue 2 Pages
62-
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Kazukiyo YAMAMOTO, Naoto KONDO, Yoshiyuki TAKAICHI, Masashi TSUZUKI, N ...
Article type: Article
2012 Volume 17 Issue 2 Pages
62-
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Eiji KODANI, Tomohiro NISHIZONO, Yoshio AWAYA
Article type: Article
2012 Volume 17 Issue 2 Pages
62-63
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Mari KAWASE
Article type: Article
2012 Volume 17 Issue 2 Pages
63-
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Tetsuya MICHINAKA, Motoe MIYAMOTO
Article type: Article
2012 Volume 17 Issue 2 Pages
63-
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Nophea SASAKI, Kimsun CHHENG, Nobuya MIZOUE, Dana KAO, Vathana KHUN
Article type: Article
2012 Volume 17 Issue 2 Pages
63-
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Kimsun CHHENG, Nophea SASAKI
Article type: Article
2012 Volume 17 Issue 2 Pages
63-64
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Kimsun CHHENG, Nophea SASAKI
Article type: Article
2012 Volume 17 Issue 2 Pages
64-
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Yasushi MITSUDA, Hidesato KANOMATA, Mitsuo MATSUMOTO
Article type: Article
2012 Volume 17 Issue 2 Pages
64-
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Masayoshi TAKAHASHI, Satoshi ISHIBASHI, Shigeo KURAMOTO, Shozo SASAKI, ...
Article type: Article
2012 Volume 17 Issue 2 Pages
64-
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Tohru NAKAJIMA, Satoshi TATSUHARA, Satoshi TSUYUKI, Norihiko SHIRAISHI
Article type: Article
2012 Volume 17 Issue 2 Pages
65-
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Kwangsoo LEE
Article type: Article
2012 Volume 17 Issue 2 Pages
65-
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Naota TANIGAWA, Tsuyoshi KAJISA, Shigejiro YOSHIDA, Tetsuji OTA, Nobuy ...
Article type: Article
2012 Volume 17 Issue 2 Pages
65-
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Keisuke TOYAMA
Article type: Article
2012 Volume 17 Issue 2 Pages
65-
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Fumiaki KITAHARA, Yasushi MITSUDA, Tsuyoshi KAJISA
Article type: Article
2012 Volume 17 Issue 2 Pages
66-
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Yuanjun CHEN, Seiji ISHIBASHI
Article type: Article
2012 Volume 17 Issue 2 Pages
66-
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Shin INOUE, Naoto MATSUMURA
Article type: Article
2012 Volume 17 Issue 2 Pages
66-
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Toshiaki OWARI, Yuji NAKAGAWA, Hiroshi INUKAI
Article type: Article
2012 Volume 17 Issue 2 Pages
66-
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Jungsoo LEE
Article type: Article
2012 Volume 17 Issue 2 Pages
67-
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Shota MOCHIZUKI, Takuhiko MURAKAMI
Article type: Article
2012 Volume 17 Issue 2 Pages
67-
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Yasuhisa MURASE, Kazukiyo YAMAMOTO, Chisato TAKENAKA, Toshiro NONODA, ...
Article type: Article
2012 Volume 17 Issue 2 Pages
67-
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Tetsuji OTA, Nobuya MIZOUE, Shigejiro YOSHIDA
Article type: Article
2012 Volume 17 Issue 2 Pages
67-68
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Yuu YOSHII, Takashi NOGUCHI, Masahide KOBAYASHI
Article type: Article
2012 Volume 17 Issue 2 Pages
68-
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Takashi NOGUCHI, Masahide KOBAYASHI, Satoshi SAITO, Kazuhiro TANAKA
Article type: Article
2012 Volume 17 Issue 2 Pages
68-
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Ryota TSUCHIDA, Keiko NAGASHIMA, Kenichi TANAKA, Hiroyuki OKAMOTO, Kaz ...
Article type: Article
2012 Volume 17 Issue 2 Pages
68-
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Yasuhiko HAYASHI, Naoto MATSUMURA
Article type: Article
2012 Volume 17 Issue 2 Pages
69-
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Toshiro NONODA
Article type: Article
2012 Volume 17 Issue 2 Pages
69-
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Toshiro NONODA, Hiromasa SHIMADA, Masayuki NISHISE, Masaki TANI, Yasuh ...
Article type: Article
2012 Volume 17 Issue 2 Pages
69-
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Yukihiro CHIBA
Article type: Article
2012 Volume 17 Issue 2 Pages
69-70
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Keiko SHIOZAWA
Article type: Article
2012 Volume 17 Issue 2 Pages
70-
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Akiko MOCHIZUKI
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2012 Volume 17 Issue 2 Pages
70-
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