Studies on the production structure of forest. XVI. Primary productivity of Abies veitchii forests in the sub-alpine zone of Mt. Fuji.

Content Provider	Semantic Scholar
Author	Tadaki, Yoshiya Hatikya, K.
Copyright Year	1970
Abstract	Generally speaking, there are four zones i.n the vertical distribution of plant communities in the Japanese Islands; the submontane, the montane, the subalpine and the alpine zones. The subalpine zone, lying bet\veen the montane zone and alpine zone or between the upper limit of montane zone and the forest line in the mountain region of central Japan, are represented by the forests consisting of evergreen coniferous species, such as Abies veitchii, Abies mariesii, Picea jezoeusis v. lzondoensis, Tsuga diversifolia, etc. mixed wilh deciduous ones, such as Betula ermauii, Larix leptolepis, etc. The climatic condition in the subalpine zone, corresponds to that in the subarctic zone, is severe in general because of low temperature, cold wind, sno\vfall, etc., so the regeneration and tending of forest stands in this zone come to be important problems in forestry as the felling area in this zone spreads. About twenty or more workers belonging to our Forest Experiment Station have carried out joint studies on the silvicultural treatments of the subalpine zone, which contains researches on the natural regeneration, the artificial regeneration, the forest dry matter productivity and the climatic condition. This paper deals with the primary productivity of several forests of Abies veitchii which is one of the typical tree species in the subalpine zone of central Japan. The studies were performed as a part of the joint studies mentioned above. The primary productivity in subalpine Abies forests has been studied by several workers. Especially, OsHIMA 'et al.12 l, KuRotwAs>-8), J(JMURA2> and KIMURA et at.3> have an interest in the peculiar structure of Abies forests on Mt. Shimagare, Nagano Prefecture, where all subalpine A.bies trees in the forest aged about 100 years die in stripes naturally, and the next generation grows in the stripes of dead trees, and their ecological and physiological studies on the structure and productivity have been reported in series. Also, AsADA and AKAI1) surveyed the productivity of many subalpine Abies forests in Nagano Prefecture from the vie\vpoint of silvics. This article was read in part at the 78th and 79th Annual Meetings of Japanese Forestry
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Language	English
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Content Type	Text
Resource Type	Article