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fresh water fish
    Study on Nutrients in Sea Water Fish and Fresh Water Fish
    咸水鱼类与淡水鱼类营养物质研究
    Water Pollution in the Yellow River Delta and its Effects on Fresh Water Fish Species Diversity
    黄河三角洲水质污染对淡水鱼类多样性的影响
    The water pollution of 1 lake,3 reservoirs and 8 rivers in the Yellow River Delta was consistently monitored from 1993 to 1997,and the fresh water fish species diversity was systematically investigated from 1996 to 1997.The evaluations obtained are as follows:2 reservoirs are lightly polluted,6 rivers are seriously polluted,and the Mada Lake and 2 rivers are very seriously polluted.
    1993~ 1997年对黄河三角洲 8条河流、 3个水库和 1个湖泊水质连续 5年进行了监测 ,1996~ 1997年对淡水鱼类多样性开展了同步系统调查。 水质评价结果 :6条河流为重污染 ,2条河流为严重污染 ,2个水库轻污染 ,麻大湖严重污染。
    102 species and subspecies of fresh water fish have been identified,belonging to 9 orders,17 families and 65 general,accounting for 89 % of all the fresh water fish species of Shandong province.
    淡水鱼类共鉴定出 10 2种和亚种 ,隶属于 9目 17科 65属 ,占山东省淡水鱼类总种数的 89%。
    From November 14 to December 17 in 2004,110 fresh water fish samples in the water areas of Guangxi Jinzhongshan nature reserve are collected by us. Combined with other materials,we found there are 52 species fresh water fishes,which belongs to 4 orders,13 families.
    2004年11月14日至12月17日,在广西金钟山自然保护区内水域中共获淡水鱼类样品110余号,结合以往的调查资料,初步确定保护区淡水鱼类共有52种,分别隶属于4目13科45属.
    Analysis of Nutrtion Composition of Big Salangid and Fresh Water Fish
    大银鱼与其它淡水鱼类主要营养成分的比较分析
    The Analysis cf LDH Coenzyme of Several Culture Cell Lines of Fresh Water Fish with PAGE
    聚丙烯酰胺凝胶电泳对几种淡水鱼类培养细胞的LDH同工酶分析
    The second intermediate host is fresh water fish belonging to 23 species in 19 genera of 6 families, among which the small fishes such as Pseudorasbora parva, Abbotina revu-laris, Rhodeus atremius and Hemiculter kneri are mainly responsible for transmitting human infection.
    在已发现的6科、19属、23种淡水鱼类宿主中,麦穗鱼、棒花鱼、鳑鮍鱼、鲦鱼等一些小型野生鱼类,与人群感染本病关系密切。
    In resent years ,it widely advanced in fresh water fish culture ,and m a rine fish ,shrim p ,shellfish and algae culture ,but less m ade breakthrough in the fields of im proved varietybreeding ,the diseases preventing and curing ,and aquaculture environ ment adjusting and controlling .
    尽管,近年来我国淡水鱼类养殖和海水鱼虾贝藻养殖都取得了一定的进展,但良种培育、病害防治和养殖环境调控等理论与技术方面缺乏实质性突破。
    Nutrtion composition of Big Salangid and fresh water fish were analysed.
    本文报导大银鱼的主要营养成分与其它 11种淡水鱼类比较研究的结果。
    It may be summarized as following:The content of protein of the big salangid is as other fresh water fish as. The protein content of Tilapia is the most in the 12 fresh water fish.
    表明 12种淡水鱼类 ,粗蛋白含量相关不十分明显 ,以罗非鱼鱼肉蛋白质含量为最高 ( 18 9%~ 19 7% )。
    This paper explored the freshwater fish fauna of forest streams in the Guangxi and found the species of the fresh water fish living in the streams of forests count up 92,being subjected to 5 orders .
    通过调查发现 ,分布于广西森林溪流中的淡水鱼类有 92种 ,分别隶属于 5目、16科、6 3属 . 鲤形目占 6 4.1% ,鲇形目占 11.96 % ,鲈形目占 2 0 .6 5 % ,合鳃目占 1.0 1% ,形目占 2 .2 7% .
    Although this research imitates the survival environment of fresh water fish in winter by two methods of temperature decreasing,the pH values express synchronously.
    另外,本研究虽然通过两种降温方式模拟淡水鱼类冬季的生存环境(0 ̄4℃),但pH值的检测结果呈现相似的变化,即,同一温度不同样本组或同一样本不同温度组,血清pH值的均值呈偏碱性趋势变化。
 

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