%0 Journal Article %T 水生高等植物马来眼子菜和金鱼藻的初级生产率(黑白瓶法) %T Primary production rates of aquatic macrophytes potamogeton malaianus and ceratophyllum demersum determined by "light-dark bottle" method %A 章宗涉 %A 张扬东 %A Zhang Zongshe %A Zhang Yangdong %J 湖泊科学 %J Journal of Lake Sciences %@ 1003-5427 %V 4 %N 4 %D 1992 %P 61-64 %K 马来眼子菜;金鱼藻;水生高等植物;初级生产率 %K Potamogeton malatanus;ceraiophyiium demersum;aquatic macrophytes;primary pro-duction %X 用黑白瓶测氧法测定了水生高等植物马来眼子菜(竹叶眼子菜,Potamogeton malaianus)和金鱼藻(Ceratophyllum demersum)的初级生产。按单位鲜重或干重表示的毛生产率,马来眼子菜为0.43-1.50mg O2/g FWt.h(3.76-13.03mg O2/g DWt.h);金鱼藻为0.44-0.45mg O2/g FWt.h(5.12-5.27mg O2/g DWt.h)。净生产率则分别为0.15-1.44mg O2/g FWt.h(1.31-12.51mg O2/g DWt.h)和0.08-0.25mg O2/g FWt.h(0.93-2.95mg O2/g DWt.h)。讨论了测定时的样品重量和光照强度对生产率的影响。 %X The primary production rates of aquatic macrophytes potamogeton malaianus and ceratophyllum demersum were measured by,"light-dark bottle" oxygen methcxl.The gross primary production rates on the basis of unit fresh or dry weight for P.malatanus are 0.43-1.50mg O2/g FWt.h(3.76-13.03mg O2/g DWt.h),and for C.demersum 0.44-0.45mg 02/g FWt.h(5.12-5.27mg O2/g DWt, h), The net production rates are 0.15-1.44mg 02/g FWt,h(l.31-12.51mg 02/g DWt.h) and 0.08-0.25mg 02/g FWt.h (0.93-2.95mg 02/g DWt.h) respectivly.Theeffects of sample weight and light intensity on the measurement of production rate were discussed. %R 10.18307/1992.0409 %U http://www.jlakes.org/ch/reader/view_abstract.aspx %1 JIS Version 3.0.0