Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Gaku HITSUMA"'
Autor:
Atsushi Sakai, Mahoko Noguchi, Tomoyuki Saitoh, Gaku Hitsuma, Takashi Masaki, Takuya Kajimoto
Publikováno v:
Journal of the Japanese Forest Society. 104:374-379
Publikováno v:
Japan Agricultural Research Quarterly; 2023, Vol. 57 Issue 4, p329-343, 15p
Publikováno v:
Journal of Forest Research. 26:321-327
Teak (Tectona grandis) is among the most valuable tropical hardwoods, but silvicultural guidelines are needed to improve the growth and quality of trees in teak plantations, particularly those owne...
Autor:
Woraphun Himmapan, Tosporn Vacharangkura, Iwao Noda, Reiji Yoneda, Narin Tedsorn, Gaku Hitsuma, Tanaka Kenzo
Publikováno v:
Forest Ecology and Management. 457:117701
To estimate above- and below-ground biomass in teak (Tectona grandis) plantations throughout Thailand, we developed general allometric relationships between tree size parameters (stem diameter and height) and tree biomass (of leaves, stems, and roots
Publikováno v:
Botany. 93:353-360
We describe observed long-term adaptive responses to light conditions in the morphology of saplings of Thujopsis dolabrata var. hondai Makino, a shade-tolerant conifer species. Under stably bright conditions, the crown shape was slender and conical.
Autor:
Mahoko Noguchi, Katsuhiko Takata, Mitsue Shibata, Gaku Hitsuma, Tsutomu Yagihashi, Michinari Matsushita, Takashi Masaki
Publikováno v:
Functional Ecology. 29:1250-1259
Summary One of the major problems in understanding growth trends in long-lived trees is the difficulty of separately quantifying the effects of tree size and age. Careful statistical control of the axiomatic age×size covariation is therefore require
Publikováno v:
Plant Root. 9:70-78
Mt. Hayachine in Iwate prefecture is characterized by serpentine site, which is known to have high concentrations of Ni. In general, few plants that can tolerate high concentrations of Ni can grow in serpentine soil. Thujopsis dolabrata var. hondai o
Autor:
Katsuhiko Takata, Mitsue Shibata, Takashi Masaki, Mahoko Noguchi, Gaku Hitsuma, Tsutomu Yagihashi
Publikováno v:
Journal of the Japanese Forest Society. 95:227-233
Publikováno v:
Journal of Forest Research. 17:156-163
We have studied the photosynthetic production and growth of Thujopsis dolabrata var. hondai (hiba) seedlings under typical light conditions found in mixed forests, including constant shade, phenological gaps under broad-leaved trees with different le
Individual Growth Change in an Old-growth Plantation of Pinus densiflora after Thinning Prescription
Autor:
Tsutomu Yagihashi, Gaku Hitsuma, Morie Shibata, Shigeta Mori, Takashi Masaki, Shuhei Aizawa, Takuya Kajimoto, Shigeto Ikeda
Publikováno v:
Journal of the Japanese Forest Society. 93:48-57
林冠の閉鎖した94年生アカマツ人工林において, 間伐後8年間の個体の成長経過を同齢の無間伐林, 140年生天然アカマツ林と比較しつつ, 成長が改善されたか否か, 成長変化と相関する因子