In 1978 the ecological surplus was 0.4009 ha, and in 1992 ecological deficit arose, which rose to 0.2958 ha by 2002.
陕西省1978 年的生态盈余为0.4009 ha,1992 年出现生态赤字,2002 年人均生态赤字增至0.2958 ha。
·2,447,543篇论文数据，部分数据来源于NoteExpress
Although per capita ecological surplus value was still negative in Hubei province, it was being rised in the undulation.
湖北省生态盈余强度虽然还处于负值，但是其数值是在波动中上升的。
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