西溪国家湿地公园水体和底泥N、P营养盐分布特征及评价 - 林业科学研究.PDFVIP

林 业 科 学 研 究　2008, 2 1 (4) : 587～59 1 F ores t R esea rch 　　文章编号 : 100 11498 (2008) 04 58705 西溪国家湿地公园水体和底泥 N、P营养盐分布特征及评价 吴 　明 , 邵学新 , 蒋科毅 (中国林业科学研究院亚热带林业研究所 , 国家林业局杭州湾湿地生态系统定位研究站 ,浙江 富阳　311400) 关键词 :西溪湿地 ;水环境质量 ;营养盐含量 ;分布 ;评价 中图分类号 : X52 文献标识码 : A Character istic s and A ssessm en t on Nutr ien t D istr ibution in W a ter and Sed im en ts of X ix i Na tiona l W etland Park in Hangzhou WU M ing, SHA O X uex in, J IAN G Key i (R esearch In stitu te of Sub trop ical Forestry, CA F; W etland Eco system R esearch Station of H angzhou B ay, State Forestry A dm in istration, Fuyang　3 11400 , Zhej iang, Ch ina) A b stract: B y re search on wetland water quality and nu trien t distribu tion in sedim en ts of X ixiW etland, wh ich is the first national wetland p ark in Ch ina, the re su lts indicated that the water quality had been imp roved e sp ecially in W uchang Creek and D eep Pond after sedim en t dredging. The other in sp ecting po in ts were still bad and belonged to V or worse than V standard of water quality, wh ich wou ld not be qualified for the tou rism. The total n itrogen and p ho sp horu s con ten ts were low in the su rface sedim en ts ( 0 - 20 cm ) of wetland. The average con ten ts of total - 1 - 1 n itrogen and p ho sp horu s were 1. 79 g ·kg and 0. 80 g ·kg re sp ectively. Sp atially, the total n itrogen and p ho sp horu s con ten ts were lower in cen ter wetland than that in ou tside. A nd it wa s the sam e