【摘要】 2002年5~6月、7~8月和2003年7月分3次对九寨沟自然保护区四条主沟的浮游动物多样性进行了调查。结果表明:九寨沟主要水体浮游动物由3门、5纲、11目、20科、34属、71种组成。区系特点以原生动物种类最丰富,有34种,占浮游动物种类组成的47.8%,其中根足纲种类最多,达29种,占全部浮游动物的40.8%;其次为节肢动物有21种,占29.6%;种类最少的类群属轮虫,仅16种,占22.5%。分布以长海、熊猫海、珍珠滩种类最多,数量最大。更多还原

【Abstract】 The diversity of zooplanktons in the Jiuzhaigou Nature Rreserve was investigated from May to June and July to August in 2002 and July in 2003.The result indicated that there were 71 species of zooplanktons in its main water body,belonging to 34 genera,20 families,11 orders,5 classes and 3 phyla.There were 34 species(47.8% of the zooplanktons) of protozoa,29 species of Rhizopoda(40.8%),21 species of Arthropoda(29.6%),and 16 species of Rotifera(22.5%).The most of the zooplanktons distributed in the Changhai Lake,the Xiongmao Lake,and the Zhenzhu Beach.According to the result of the investigation,the suggestion of water conservation of the Jiuzhaigou Nature Reserve was made by the authors.更多还原