obturation

• All of these become the congenital of obturation and dropping behind to make the hetian typical arid poverty . hetian plunges into the vicious circle of " ppe " ( population , poverty and environment ) . the population density ( 10 . 27 ) is higher than the standard of arid land ( 7 )
  和田地处偏远，生存环境恶劣，少数民族聚居，经济以较为原始的农业生产为主，成为当地相对封闭、发展落后的先天因素，使和田成为干旱区贫困的典型，深陷入“环境脆弱?贫困?掠夺资源?环境退化?刺激人口增加?进一步贫困”的贫困、人口、环境的“ ppe ”怪圈。