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Showing items 1 through 9 of 657.
  1. Library Resource
    Journal Articles & Books
    April, 2015
    Japan, Europe

    In recent years, wild boars (Sus scrofa) have caused growing damage to farm crops in a hilly and mountainous area of the Tohoku region. In particular, in designated evacuation zones following the accident at the Fukushima Dai-ichi nuclear power plant, there are growing concerns about the expanding range of wild boars and the resulting degradation of farmland.

  2. Library Resource
    Journal Articles & Books
    July, 2016
    Japan

    Japan's forest industry operates in mountainous regions rather than hilly areas. The forest road density is also low, and it is not easy to develop new roads and maintain them. Therefore, the work of moving about and transporting heavy loads over irregular mountain forest terrain far from roads is still hard labor performed by humans. Even today, a little technical development has been done to assist in this work.

  3. Library Resource
    Journal Articles & Books
    March, 2016
    Japan

    The purpose of this study is to clarify land improvement method of early collective housing sites developed by Japan housing corporation during 1960's-70's constructed on marshland on Nakagawa lowland in Saitama prefecture - Misato, Yoshikawa, Takesato, and Soka-Matsubara. Those housings are mainly larger scale mid-rise buildings located on Tokyo suburbs and former land-use is paddy field where collective housings had been never built before 1950's since those areas have deep alluvial layer.

  4. Library Resource
    Journal Articles & Books
    April, 2014
    Japan

    Here we propose an accurate and robust method for large-area land-use and land-cover (LULC) mapping using multi-temporal optical data. The conventional method for LULC classification usually uses time-series data at regular intervals to consider the seasonality of LULC. However, high-resolution optical data have considerable seasonal biases, making it difficult to use time-series data.

  5. Library Resource
    Journal Articles & Books
    March, 2015
    China

    The purpose of this study is to discover the changes of household employment structure and of business range for those graziers who have to turn to rear sheep in pens as the background of the policy of returning farmland into forest and grassland. The results of this study are as follows: First, after turning to rear sheep in pens, though the graziers have saved time for other work, the time for feeding has increased to the whole year. In addition, the policy that encourages the rearing of sheep in pens has brought about a growing number of sheep graziers.

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