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Desertification examines the reaons:  overcultivation, overgrazing, deforestation and bad irrigation.  The rich nations, the poor nations and the internation agencies know what needs to be done to stop cropland and pastures turning to desert.

出版物详细信息

  • 出版者: International Institute for Environment and Development
  • ISBN-10: 0905347374
  • ISBN-13: 978-0905347370
  • Dewey Decimal: 630.967
  • ECHO 图书馆: 630.967 GRA