摘要
有效控制与管理米草属植物入侵是人类社会面对全球变化的一个巨大的挑战,不同治理措施对于治理区土壤环境影响的评估也逐渐引起关注。采集闽江口鳝鱼滩湿地互花米草不同治理措施试验区土壤样品,开展互花米草不同治理措施对于土壤有机碳和养分含量的影响研究。"刈割+围堰水淹"处理根除互花米草后,3年未种植替代植物的试验地内仍无互花米草入侵地段0-40cm土层土壤有机碳(SOC)含量显著低于对照样地;互花米草湿地刈割开垦为滩涂鱼养殖场后SOC含量较对照互花米草样地SOC含量稍有下降,但差异不显著(P>0.05),土壤总氮(TN)和总磷(TP)含量变化同样不显著,但是土壤无机氮含量显著增加;经过"围堰+刈割+水淹"处理根治互花米草后,在短期(8个月)内不论是否种植替代植物,与对照相比,试验区0-40cm土层SOC含量均无显著变化。
Control and management of invasive Spartina plants is a great challenge to human society, and the effects of different controlling methods of invasive S. alterniflora on soil organic carbon（SOC） and nutrient contents had been paid attentions. After mowing S. alterniflora and waterlogging treatment, no other plants were cultured for three years, the SOC contents in the depth of 40 cm significantly lower than that in the S. alterniflora marsh~ mowing S. alterniflora and then transforming to Boleophthalmus pectinirostris farm, the SOC contents in the depth of 40 cm dropped a little compared with the S. alterniflora marsh, however, the difference was not significant~ the soil TN and TP contents were also statistically indistinguishable, but the soil organic nitrogen content increased significantly~ mowing S. alterniflora and doing 45 days of water- logging treatment, whether growing Cyperus malaccensis or not at eight months, there was no significant difference in the SOC contents in the depth of 40 cm compared with the S. alterniflora marsh.
出处
《水土保持学报》
CSCD
北大核心
2012年第4期138-142,共5页
Journal of Soil and Water Conservation
基金
福建省科技厅重点项目(2010Y0019)
国家海洋局海洋公益性行业科研专项(200905009-2)
福建省长乐市科技发展项目
关键词
互花米草
土壤有机碳
刈割+养殖滩涂鱼
刈割+水淹+种植短叶茳芏
闽江口
Spartina alterniflora soil organic carbonl mowing＋ farming Boleophthalmus pectinirostris mowing＋waterlogging＋planting Cyperus malaccensis Min river estuary
