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当前位置: 首页 > 文章 > 东湖围隔(栏)中水生植被恢复及结构优化研究 应用生态学报 1997 (5) 535-540
Position: Home > Articles > Restoration and structural optimization of aquatic vegetation in enclosure and fence in East Lake of Wuhan. Chinese Journal of Applied Ecology 1997 (5) 535-540

东湖围隔(栏)中水生植被恢复及结构优化研究

作  者：
马剑敏;严国安;任南;罗岳平;李益健
单  位：
武汉大学环境科学系;河南师范大学生物系
关键词：
围隔;围栏;水生植被;恢复;结构优化
摘  要：
为重建湖泊水生植被 ,在武汉东湖无鱼的 2个大型围隔和 1个围栏中进行了水生植被自然恢复和人工结构优化试验 ,两年内 ,围隔 (栏 )中的植被均得以恢复 ,植物月生物量均值均高出对照区约 1倍 ,自然增加的维管束植物比对照区多 3～ 6种 ,漂浮植物易定殖 ,水绵和刚毛藻较易生长 ;自然恢复的植被常以穗花狐尾藻、野菱等为优势种 ,缺乏挺水层 ,群落结构不理想 ,通过合理选种植物 ,可较快地改善其结构 ,加快植被恢复进程 ,经初步实验 ,莲、芦苇、苦草、金鱼藻和穗花狐尾藻适应性较强 ,可作为重建东湖水生植被的先锋种 ,以沉水植物为主体的植被结构较优良 ,控制养鱼是恢复水生植被的前提
译  名：
Restoration and structural optimization of aquatic vegetation in enclosure and fence in East Lake of Wuhan.
作  者：
Ma Jianmin(Henan Normal University,Xinxiang 453002),Yan Guoan,Ren Nan,Luo Yueping and Li Yijian(Wuhan University,Wuhan 430072).
关键词：
Enclosure,Fence,Aquatic vegetation,Restoration,Structural optimization.
摘  要：
In order to rebuild the aquatic vegetation in the East lake of Wuhan,experiments on its natural restoratin and artificial structural optimization were carried out in two large enclosures and one fence. The aquatic vegetation in enclosure and fence was restored in two years. Its monthly average biomass was about 2 times larger than the control,and the aquatic vascular plants were naturally increased 3～6 species. The floating plants could easily settle down and reproduce,and Spirogyra and Cladophora could grow easily. In the naturally restored aquatic vegetation, Myriophyllum spicatum and Trapa incisa were dominant species with no emerged plants and an unsatisfactory community structure. Through rational selection and plantation of plant species,the aquatic vegetation and its structure could be restored and improved faster.It was found from our preliminary experiments that Nelumbo nucifera,Phragmites communis,Vallisneria spiralis,Mgriophyllum spicatum and Ceratophyllum demersum had a good adaptability. They could be selected as the pioneering species to rebuild the aquatic vegetation in East Lake. The vegetation structure mainly consisted of submerged plants was better. To limit fish culture was a prerequisite for aquatic vegetation restoration.

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