【摘要】 对浑河源区的浮游植物、原生动物、轮虫、底栖动物、鱼类和水生维管束植物调查发现 :源区水生物种类绝大多数为贫营养型清水指示种类。数量明显少于下游。源区水质优良 ,水质基本处于自然状态更多还原

【Abstract】 The aquatic bios investigation in upstream Hun River shows that most of aquatic bios varieties are all oligotrophic indicators in clean water, for example, phytoplankton, protozoon, rotifer, benthic animals, fish and tracheophyta The amount of these aquatic bios is obviously less than that in downstream reach The survey result reveals that water quality in upstream or source area of Hun River presents a satisfactory natural existence更多还原