%0 Journal Article %T Effects of snail herbivory and sediment type on the growth of Vallisneria spiralis
螺类牧食与沉积物类型对苦草生长的影响 %A LI Kuan-Yi %A LIU Zheng-Wen %A YANG Hong-Wei %A SONG Xiao-Lan %A WEN Ming-Zhang %A
李宽意 %A 刘正文 %A 杨宏伟 %A 宋晓兰 %A 文明章 %J 生态学报 %D 2007 %I %X An outdoor experiment was conducted to investigate effects of the herbivory of snail Radix swinhoei and sediment type on the growth of submerged macrophyte Vallisneria spiralis from June to August in 2006.Results showed that snail herbivory on plant tissue suppressed V.spiralis growth.Furthermore,herbivory damage resulted in a decrease in tuber number and weight.Plant growth was affected by sediment type.The relative growth rate of V.spiralis was much higher in fertile lake sediment treatment than that in infertile soil treatment.Besides,root number and tuber weight were significantly lower in lake sediment treatment than that in soil treatment.However,the interactive effects of both snail herbivory and sediment type on the growth of V.spiralis were not significant. %K Radix swinhoei %K herbivory %K sediment type %K Vallisneria spiralis %K growth
螺类牧食 %K 沉积物类型 %K 苦草 %K 生长 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=FE163E5DB2274E5937319DE98913EC37&aid=ED30BEDFE0A056C146148E211CC918BB&yid=A732AF04DDA03BB3&vid=DB817633AA4F79B9&iid=708DD6B15D2464E8&sid=679A748238730702&eid=67198806CA828C87A073D59FCAA249B6&journal_id=1000-0933&journal_name=生态学报&referenced_num=1&reference_num=32