Japanese Journal of Southeast Asian Studies
Online ISSN : 2424-1377
Print ISSN : 0563-8682
ISSN-L : 0563-8682
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Volume 26, Issue 1
Displaying 1-11 of 11 articles from this issue
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Articles
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  • Physical Fitness of Thai Children and Their Environment
    Tamotsu Yagi, Minoru Itoh
    1988 Volume 26 Issue 1 Pages 42-54
    Published: June 30, 1988
    Released on J-STAGE: February 28, 2018
    DOIhttps://doi.org/10.20495/tak.26.1_42
    JOURNAL FREE ACCESS
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    Physique, physical functions and motor fitness abilities were measured at four elementary schools in two Thailand cities in 1980. Children from four schools in the two cities were sampled.
     Children of a model school (SC) in Bangkok were found to have larger physiques on the average than those of the other three; SS, MC and RC. Children of a public school (SS) are shorter and lighter than the others on the average. Children of the model MC and RC schools in Chiang Mai have better motor fitness on the average than those of the two schools in Bangkok.
     Bangkok is a big city, where such factors as heavy traffic, lack of playgrounds and the tropical climate, hamper vigorous activity. Families of SC school children are of higher socio-economic status in Bangkok. These environmental factors may play a part in the physical growth of children. The natural environment, abundant playgrounds and milder climate of Chiang Mai may be favourable for the development of motor fitness of children.
     Results of the study in Thailand have something in common with those in Japan. Differences in growth and development of children were found, and differences in some environmental factors are recognized between the two regions.
     Lastly, some differences of physique and physical fitness between Thai and Japanese children were noted.
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  • The Duration of Postpartum Amenorrhea in a Sundanese Village
    Kouichi Takasaka
    1988 Volume 26 Issue 1 Pages 55-63
    Published: June 30, 1988
    Released on J-STAGE: February 28, 2018
    DOIhttps://doi.org/10.20495/tak.26.1_55
    JOURNAL FREE ACCESS
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    The duration of postpartum amenorrhea of women in a Sundanese agricultural village whose last pregnancy resulted in live birth in the past six years was studied. Data were collected from 197 women from September through November 1983. The mean duration of postpartum amenorrhea was 14.7±8.7 (SD) months. The median was 16.5 months, and 90% of the women resumed menstruation within 30 months of parturition. One hundred and ten women gave birth within the 3 years before the survey (group A), and 87 women gave birth between 3 and 6 years before the survey (group B). The mean duration of postpartum amenorrhea in group A (12.7±7.6 months) was significantly shorter than in group B (17.2±9.3 months) (p<0.01, t-test). The mean ages of group A (24.4±6.2 years) and group B (25.2±6.9 years) did not differ significantly. These results suggest that the duration of postpartum amenorrhea of women in a Sundanese agricultural village, although relatively long, has recently become shorter.
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  • Traditional Rice Cultivation on Lombok
    Aris Poniman, Yoshikazu Takaya
    1988 Volume 26 Issue 1 Pages 64-73
    Published: June 30, 1988
    Released on J-STAGE: February 28, 2018
    DOIhttps://doi.org/10.20495/tak.26.1_64
    JOURNAL FREE ACCESS
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    Sembalun Bumbung, a mountain village in Lombok, still maintains a traditional mode of rice cultivation together with its related rituals. Land is prepared for cultivation by using a herd of cattle to trample the ground repeatedly; neither plow nor hoe is used. An eight-month variety of rice with large, red grains is transplanted into the prepared plots. The belief in “mother rice” is still very strong, and a series of rituals is observed to encourage this goddess at different occasions from sowing to storing of the harvest. Traces of a Melanesian way of thinking are also found, in that some people say that they should be careful at the time of harvest because their ancestors may become envious of their harvest and do some mischief.
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  • On Estimated Acoustic Tsunami Precursor Caused by Earthquake Undersea off the Indonesian Coast and Its Application
    Shigehisa Nakamura
    1988 Volume 26 Issue 1 Pages 74-85
    Published: June 30, 1988
    Released on J-STAGE: February 28, 2018
    DOIhttps://doi.org/10.20495/tak.26.1_74
    JOURNAL FREE ACCESS
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    Earthquakes and tsunamis have frequently hit the Indonesian coast. This paper deals with three repeated explosive sounds reported to have accompanied an earthquake in Indonesia on 19 August 1977, and aims to clarify the subsurface source of the sounds, which followed the earthquake and preceeded the arrival of a tsunami on the coast. A model of sound speed distribution for the author's previous hypothesis of acoustic tsunami precursor is applied to provide a more reasonable understanding of such offshore explosive sounds. When a sound is comfirmed to have a subsurface source, it can be taken as a tsunami precursor that comes just after an undersea earthquake. This precursor can be utilized for an urgent tsunami warning in Indonesia.
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