萝卜螺

电泳方法在分类学上的应用&以酯酶分析区别萝卜螺属（Radix）三个种的初步研究

On the application of electrophoretic methods in taxonomy : a preliminary study on the separation of three species of the snail genus Radix by esterase analysis

生物量优势种为刻纹蚬、萝卜螺和摇蚊。

The biomass was mainly contributed by Corbicula largillierti , Radix sp. , and Chironomus sp.

椭圆萝卜螺Radixswinhoei（H.Adams）对三种沉水植物的牧食选择

Snail Radix swinhoei ( H.Adams ) herbivory on three submerged plants

胞蚴和尾蚴在萝卜螺（Lymnaeaauricularia）内发现。

The sporocyst and cercariae are found from the snail ( Lymnaea auricularia ) .

大运河徐州段不同水质对耳萝卜螺CHE、GST和GPx酶的影响

Effect of the Water Quality in Different Parts of the Grand Canal in the Xuzhou Region on the Enzyme of CHE , GST and GPx of Radix auricularia

耳萝卜螺Radixauricularia3月上旬开始产卵（水温8-12℃），繁殖高峰期在3、4月份，5月份以后产卵量和产卵次数均下降。

Radix auricularia begins to spawn from the beginning of March ( water temperature 8 ~ 12 ℃), and the peak appears in March or April . After May , both the fecundity and the frequency of spawning decline .

椭园萝卜螺对酸的96小时累积死亡率分别是：pH3.6时100%，pH3.8时60%，pH4.0时20%以及pH4.2时10%。

The 96 hr accumulated death rates of Radix swinhoei to acid are 100 % , 60 % , 20 % and 10 % at pH3.6,3.8,4.0 and 4.2 respectively .

中间宿主为耳萝卜螺，螺的尾蚴平均感染率为021%。

Intermediate host was Radix auricularia , average infectious rate was 0 21 % .

椭圆萝卜螺对两种沉水植物生长的影响

The influence of Radix swinhoei on the growth of two species of submerged plant

结果椭圆萝卜螺和耳萝卜螺是生活在该地区毛毕吸虫的中间宿主，其自然感染率分别为0.51%和0.65%。

The eggs and imagoes were separated from infected ducklings . Results Radix swinhoei and Radix auricularia were found as the intermediate host of Trichobilharzia in the basin and the natural infection rates , were 0.65 % , 0.51 % , respectively , which varied with seasons .