2011 Volume 46 Issue 3 Pages 637-642
The purpose of this paper is to acquire a basic knowledge of improving the quality of green spaces on Ochiai cliff line in the city. The quality of green space means ecosystem function. The research areas were Ochiai terrace cliff, and Otomeyama park as fragmented green space on that in Sinjuku ward, Tokyo. The following 2 points were clarified. 1) Many fragmented green spaces on the cliff line used to be the residences in the Meiji era. Otomeyama park had been protected though the owner and citizen movement. The purpose of use has changed variously. 2) The qualities of green spaces on the terrace cliff are similar, and the ratio of evergreen species are high and plant succession is now, proceeded. Ground conditions within the forest became naked by the evergreen in the upper story trees. Considering the steep slope, the regeneration of quality of forest is important issue. Therefore, the forest management based on bio-tope type is essential.
