Journal of the Japanese Institute of Landscape Architects
Online ISSN : 2185-3053
Print ISSN : 0387-7248
ISSN-L : 0387-7248
Volume 33, Issue 4
Displaying 1-7 of 7 articles from this issue
  • relative chiefly to itshuman pattern “slalom”
    Masaaki KISHIZUKA, Tomohiko GOTO
    1970 Volume 33 Issue 4 Pages 2-6,18
    Published: March 29, 1970
    Released on J-STAGE: July 19, 2011
    JOURNAL FREE ACCESS
    This dissertation is one of the human scales about the curvature of footpath connected with the previous report.(2) In this paper, we try to clear the pattern of footpath relating to human scales. Here we have various examples of footmarks which were surveyed at a seashore as in Fig. 1-5. From these materials, we have the following conclusions after the investigation on the so-called “slalom” maintained by P. J. GRILLO (1960).(1)
    1. As is analogized from Fig. 6-7 in which 53 out of 93 examples can be superposed one upon another, human motion in walking is similar to the pattern of wave-motion repeating a directional change periodically. In order to define its standard form, each of wave-length, amplitude, and etc. is measured and treated statistically.
    Estimated results: with 99% confidence level,
    1/2 wave-length=23.96±1.19≅24m.
    amplitude=4.24±0.24≅4m.
    By the aid of above-mentioned numerical values, a standard pattern of human motion in walking pace is shown in Fig. 8 which is modified for the reason that they are induced from samples left on the sands giving us some difficulty in controlling our legs. And this pattern approximately satisfies the previous proposed equation;
    namely, 39-δ=13.5Log.(R-5.8).
    In this case, the angle of changing direction (δ) is 18°54' and its radius of curvature (R) is 37m.
    2. Checking the remaining 40 examples, we can find out many samples whose pattern are nearly rectilinear in spite of irregularity, with these concrete cases, it shall be assumed that man has always an intention of walking straight so long as he does not turn consciously. On the other hand, in the supplemental experiments of blindfold subjects ordered to go straight on, it was observed that every one was inclined to walk along with a certain curvature.
    From these facts described above, we may conclude that “slalom” are produced as the result of the interaction of two potential factors, that is, the directional-intention and the bodily-inclination.
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  • Satomi WATANABE
    1970 Volume 33 Issue 4 Pages 7-12
    Published: March 29, 1970
    Released on J-STAGE: July 19, 2011
    JOURNAL FREE ACCESS
    This is a study on the spaces as a Square in the medieaval settlements which have interesting grounds for the existence of the Squares.
    The typical five Settlements such as Ikeda-sho, Hieda, Kaizuka, Imabori and Sakai are studied.
    In each settlement, the socio-economic or the spatial reasons why the Squares exist and the process of the formation and the development of the Squares are studied.
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  • (1). On the Relation of Outdoor Recreation Trends and Visitor Accomodation and Facilities in American Natural Parks
    Shigeru KUROYANAGI
    1970 Volume 33 Issue 4 Pages 13-18
    Published: March 29, 1970
    Released on J-STAGE: July 19, 2011
    JOURNAL FREE ACCESS
    Outdoor recreation trends in America shown by a Bureau of Outdoor Recreation survey of participation in outdoor recreation activities. Data on which this report based was gathered by the Bereu of the Census under contract to the Bureau of Outdoor Recreation during the summer months of June, July and August, 1965. It sould be pointed out that heaviest public participation in a number of other important recreation activities, such as hunting, ice skating, snow skiing, football games and others takes place at other seasons.
    By the year 2000, their participation in the major forms of summertime outdoor recreation activities will be 4 times greater than it was in 1960. This is because by 1965 they already enjoyed 51 percent more outdoor recreation experiences in the major activities each summer than thay did in 1960. Now pressures on public and private outdoor recreation facilities are exceeding previous expectations by wide margins. In the natural parks we will need more recreation opportunities and service, many more visitor accomodation and facilities.
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  • Isoya SHINJI
    1970 Volume 33 Issue 4 Pages 19-27
    Published: March 29, 1970
    Released on J-STAGE: July 19, 2011
    JOURNAL FREE ACCESS
    The artistic design of Japanese garden which is characteristic of the form of Japanese garden can be seen in the environment of “Senzui Kawaramono's” life.
    The beauty of Japanese garden was a condensed expression of artistic and creative energy that was depend on the poor people “Kawaramono”.
    This opinion denies the common theory of the history of Japanese garden.
    That is; the important fact which formed the typical part of the form of Japanese garden is the idea of Buddhistism and Horai, Shinsen.
    It insists about the fatal life of “Kawaramono” who was a subjective performance of activity of creating garden.
    That is; it was a production of view of art and creative energy which is cultivated in the lowest life.
    The comment of thesis is below.
    1. The problem about the general view of garden of the theory of Japanese culture.
    2. Denying form in origin by religion.
    3. Observation on relation between thought and works.
    4. Observation on subjction of origin.(→Man equal “Kawaramono”)
    5. Condensed expression of artistic energy which “Kawaramono” influenced the life environment and limit of social activity.
    6. Observation abort “Kawaramono's” view of nature and view of art.
    7. Material obsetvation of the artistic design and nature.
    Still more the aim of this thesis is to break down the view of Japanese garden which prevents of scientification of modern landscape gardening and is inclined to emphasis upon thought.
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  • On the salt tolerance of Japanese lawn grasses (Zoysia grasses)
    Fumio KITAMURA
    1970 Volume 33 Issue 4 Pages 28-33
    Published: March 29, 1970
    Released on J-STAGE: July 19, 2011
    JOURNAL FREE ACCESS
    As a part of studies on the salt tolerance of lawn grasses, Japanese lawn grasses (Zoysia grasses-No-shiba, Chu-shiba, Kara-shiba, Himeshiba, and Emerald Zoysia) were grown in sand cultures of various concentrations of NaCl, and the state of growth was investigated. The following results are obtained.
    1. Generally, the growth of Japanese lawn grasses was distinctly injured in Cl 5, 000ppm treatment, and few plants died. On the other hand, few plants lived in the 15, 000ppm treatment.
    2. With increasing concentration of NaCl, Japanese lawn grasses were dwarfed, and the number of stolons, leaves, and roots reduced. But every one except length of roots often increased at low concentration of NaCl.
    3. There is no differance of salt tolerance among the kinds of Japanese lawn grasses. They are highly tolerant to the action of salt solution compared with American and European lawn grasses. According to all reports of these series, the degree of salt tolerance of lawn grasses is as follows;
    High salt tolerance: Japanese lawn grasses, Bermudagrasses.
    Medium salt tolerance: ryegrasses, fescues.
    Low salt tolerance: bluegrasses, fentgrasses.
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  • Akira KAMEYAMA
    1970 Volume 33 Issue 4 Pages 34-42,48
    Published: March 29, 1970
    Released on J-STAGE: July 19, 2011
    JOURNAL FREE ACCESS
    This study aims at finding out thescientif is method about roadside planting in national park. Vegetation survey was practised on the Ome Road (Chichibu-tama national park, Tokyo prefecture) and the Odaigahara Drive-way (Yoshino-kumano national park, Nara prefecture).
    From the point of phytosociological view, the location (Standort) of the roads was mentioned. Consideration studied here is as follows.
    1. The relation between natural park planning and phytosociological survey.
    (i) Natural park planning is to be based on phytnsociological results and vegetation map, to conserve forest communities, which are the most important elements of landscape in natural park. Vegetation map in scale 1: 10, 000-50, 000 with vegetation units of association (Assoziation) and subassociation (Subassoziation) is suitable.
    (ii) After natural park plan is authorized, location of road must be adapted in detail to natural environment around the road. Phytosociolgical research is also necessary to this purpose. Road must be located carefully, not to injure forest communities and to promote restoration of vegetation. Vegetation map in scale 1: 2, 000-10, 000 with vegetation units of association, subassociation, and variety (Variante) is suitable.
    2. The relation between planning for roadside planting and phytosociological survey.
    (i) After road is located, vegetation survey is requested to organize the road and surrounding forest communities phytosociologically. Forest communities and their mantle and sleeve communities must be researched to make up for 1.-(i) and (ii). The process of planning for roadside planting is as follows.
    (1) Analysis and diagnosis of the planting environment on roadside
    (a) To make existing vegetation map
    (b) To make potential natural vegetation map of today
    (2) Selection of the usefull species
    (a) To systematize the potential natural vegetations of today and their substitution vegetations
    (b) To select the usefull species in main species of the vegetations
    (c) To group the species according to each use Combining (1) and (2), the planning for roadside planting is made.
    (ii) Finally, the problems of maintenance remain. After planting on the roadside, it is necessary to research the process of succession periodically and to make a suitable management on each stage of succession.
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  • Shigeru KUROYANAGI
    1970 Volume 33 Issue 4 Pages 43-48
    Published: March 29, 1970
    Released on J-STAGE: July 19, 2011
    JOURNAL FREE ACCESS
    In this report, the deposition of mineral element in leaves of park and garden trees ware quantitatively determined by the spectrochemical analysis. It is concerned with evaluation of critical problems relating to the mineral element economy of trees.
    Sample trees are shown in Table I; fifteen kinds in all, that is five kinds from each of coniferous, ever green and deciduous brode leaves trees, and the number of sample trees is three in each kinds.
    In this experiment we determined nine elements in the mineral constituents of ash in park and garden tree-leaves (Table 4) and the seasonal variation of KUROMATHU.(Pinus Thunbergii Parl.) leaves (Table 5).
    The author is indebted to many co-investigators and colleagues but counsel from Dr. A. OKAZAKI (Prof. of KYOTO UNIVERSITY) is gratefully acknowleged.
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