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引用本文:朱清顺,徐德昆.浅水草型湖泊除草技术的实验.湖泊科学,1994,6(2):171-176. DOI:10.18307/1994.0211
Zhu Qingshun,Xu Dekun.On the technique for controlling aquatic macrophytes in shallow weedy lakes. J. Lake Sci.1994,6(2):171-176. DOI:10.18307/1994.0211
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浅水草型湖泊除草技术的实验
朱清顺, 徐德昆
江苏省演水水产研究所, 南京210017
摘要:
滆湖位于江苏南部,面积为164km2,是一个典型的草型湖泊,其中80X以上的面积为黄丝草(Pataraogeton maackianus)所覆盖。针对该湖水生植被中草食性鱼类喜食性水草资源逐渐衰竭,非喜食性水草群落逐渐扩张的状况,1988-1990年,进行了湖泊水草群落的定向改良试验和抑制相关水草发生和蔓延的试验。结果表明,采用生物防治,以鱼除草,无论是网拦放牧式除草技术,还是网围养殖式除草技术,对各种沉水植物都可彻底清除,而且直接将水草转化为鱼产品,并且有利于湖泊水域生态环境的改善。
关键词:  草型湖泊  水草群落  除草技术  草食性鱼类  网拦养殖
DOI:10.18307/1994.0211
分类号:
基金项目:农业部重点研究课题(渔-03-02-02)中的部分内容
On the technique for controlling aquatic macrophytes in shallow weedy lakes
Zhu Qingshun, Xu Dekun
Freshwater Fisheries Research Institute of Jiang su Province, Nanjing 210017
Abstract:
Gehu Lake, situated in Jiangsu Province, is a shallow one with an area of 164 km2.It is rich in submerged pliints, of which about 80% is covered by polamogeton maackianus, In order to improve aquatic macrophyte communities, it is necessary to control and even weed out the growing and spreading relative water plant.This work was carried out in 1988-1990.According, to the results of weeding,by herbicide and by herbivrous fishes, it is concluded that biological control of aquatic macrophytes in pen fishculture and in pen fishgrazing has played an obvious significance in improving the aquatic macrophyte communities in the weedy lake.
Key words:  Weedy lake  aquatic macrophyte community  weeding technique  pen fishgrazing  herbivorous fishes
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