抄録
The litter as the source of nutriment in forest, where is never manured has an important significance. It is known that rate of it's dicomposition influence upon the forest soil very intimate. How fungi and becteria are to take part in it, is already studied. However about the factor of fauna has been not so deeply researched.
This studies was started from 1936, to pay attention to those fauna.
The contents of this report are some results of above mentioned studies; as following
1. The general condition of experimental area are shown as Table 1. and Fig. 1.
2. The test-sticks are collected in or near to experimental area, cutted by saw and setted on the litter.
The size of stick: d=±2cm. l=30cm.
The tree kinds:
(1) Cryptomeria japonica D. Dox.
(2) Abies firma SIEB. et ZUCC.
(3) Pinus densiflora SIEB. et ZUCC.
(4) Carpinus carpinoides MAKLNO, or another sp.
(5) Fagus crenata BL.
(6) Castanea crenata SIEB. et ZUCC.
(7) Quercus crispula Br.
(8) Quercus grandulifera BL.
(9) Pterocarya rhoifolia SIEB. et ZUCC.
(10) Cercidiphyllum japonicum SIEB. et ZUCC.
(11) Aesculus turbinata BL.
(12) Acer mono MAX.
3. The results of the observations by test-sticks are shown on Table 2, 3 and 4.
4. The results by natural condition are shown on Table 5.
