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五常市位于黑龙江省最南部,属于长白山系北部张广才岭西坡与松嫩平原相接的过度带。该模式区属中温带大陆性季风气候,年均气温3.5℃,降水量500～800 mm,无霜期110～140 d,≥10℃年活动积温300℃～2 700℃,全年太阳辐射总量111.6 kcal/㎝2。土壤为中厚层暗棕壤。1治理技术思路根据生态位理论,采用生态系统工程方法,重新组装生态元,优化结构,增加植物多样性指数,
Wuchang City is located in the southernmost part of Heilongjiang Province, belonging to the Changbai Mountain north of Zhang Guangcai slope and the Songnen Plain connected with the transition zone. The model area belongs to the temperate continental monsoon climate with annual average temperature of 3.5 ℃, precipitation of 500-800 mm, frost-free period of 110-140 d, active accumulated temperature of ≥10 ℃ of 300 ℃ -2 700 ℃, total annual solar radiation of 111.6 kcal / ㎝2. Soil is thick dark brown soil. A treatment technology ideas According to niche theory, the use of ecosystem engineering methods, reassembly of eco-elements, optimize the structure, increase plant diversity index,