A consideration of temporal change in grassland distribution on the Tohoku district, Japan

Takahiro Imai, Chinatsu Yonezawa

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    We analyzed the temporal change of the grassland area and the relationship between topographic features and grassland distribution. The study area is the Tohoku region, in the northeast of Japan. We use the results of the vegetation survey conducted by Ministry of the Environment of Japan to extract grassland area. The total area of the grassland in the Tohoku district has been increased in 1980 to 1990. We classify the grassland based on the slope angle. Less than 8 degree slope angle area is defined as the flat area, 8 to 15 degree area is the moderate slope area, and more than 15 degree area is the steep slope area. The proportion of the grassland in each class is calculated each year. The grassland ratios increase in the steep slope area. On the other hand, they decrease in the flat area.

    Original languageEnglish
    Title of host publication34th Asian Conference on Remote Sensing 2013, ACRS 2013
    PublisherAsian Association on Remote Sensing
    Pages3205-3208
    Number of pages4
    ISBN (Print)9781629939100
    Publication statusPublished - 2013 Jan 1
    Event34th Asian Conference on Remote Sensing 2013, ACRS 2013 - Bali, Indonesia
    Duration: 2013 Oct 202013 Oct 24

    Publication series

    Name34th Asian Conference on Remote Sensing 2013, ACRS 2013
    Volume4

    Other

    Other34th Asian Conference on Remote Sensing 2013, ACRS 2013
    Country/TerritoryIndonesia
    CityBali
    Period13/10/2013/10/24

    Keywords

    • Agriculture
    • Grassland
    • Slope angle
    • Temporal change

    ASJC Scopus subject areas

    • Computer Networks and Communications

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