1) Fresh-water fish resouce
淡水鱼类资源
2) freshwater fish
淡水鱼类
1.
Studies on the freshwater fishes of Maoer mountain nature reserve;
猫儿山自然保护区淡水鱼类资源
2.
Study on the freshwater fish fauna of forests streams in the west of Guangdong;
粤西森林溪流淡水鱼类区系研究
3.
Studies on freshwater fish in South China natural reserve;
华南自然保护区淡水鱼类研究初报
3) freshwater fishes
淡水鱼类
1.
Cloning of the microcystin-detoxifizyme gene in the main Chinese freshwater fishes;
淡水鱼类微囊藻毒素去毒酶基因的克隆
2.
This paper presents 9 species of freshwater fishes collected from Jianfengling (N 18° 23′~18° 50′ E 108° 36′~109° 05′).
报道9种采自海南岛尖峰岭保护区(天池,海拔820m)山间小溪流的小型淡水鱼类,其中圆尾斗鱼Macropoduschinensis(Bloch)在海南岛是首次报道,为海南岛新记录。
5) fresh water resources
淡水资源
1.
Seriousness of lacking fresh water resources in Shaanxi,Inner Mongolia,Hebei and Shanxi provinces;
晋、冀、蒙、陕地区淡水资源馈乏的严重性
2.
We can realize rain attempering and make good use of fresh water resources by expanding the reserving space of water and increasing the resting time of rain water in distributaries.
通过扩大雨水储蓄面积、增加雨水在支流上的停留时间等方式,可以实现雨水调度,增加可利用的淡水资源量。
3.
The fresh water resources in the world makes up 25 recent of total a mount of water resource.
全球的淡水资源占水资源总量的25%,人类可利用的占淡水资源的0。
6) freshwater resources
淡水资源
1.
Based on the analysis for variation characteristics of freshwater resources in China and relationship between runoff and climate fluctuation or variation, some research results about sensitivity and vulnerability of runoff in China to climate change are summarized in the paper.
在分析近几十年来我国淡水资源变化特点及气候条件波动或变化对径流现实影响的基础上,较系统地总结了近10年我国在气候变化影响的某些方面的研究成果,主要集中在我国淡水资源对气候变化的敏感性和水资源在气候变化情景下的脆弱性两个方面的问题。
2.
Based on the analysis of forming mechanism and distribution characteristics of water quality and quantity of the groundwater, this paper points out that the freshwater resources is limited and the water quality is easy to deteriorate under the condition of exploitation, and puts forward it should proper exp.
库车县南部地区位于天山南麓洪积扇扇缘及冲洪积平原地区,干旱少雨,淡水资源相当匮乏。
3.
Exploiting saline groundwater and utilizing it for daily life of urban residents can reduce 58 % of the demands on freshwater resources, which can also increase underground storage capacity, increase rainwater infiltration, freshen saline groundwater and improve the eco-environments.
开发地下咸水,用于城市居民生活,可节省58%淡水资源。
补充资料:淡水鱼类
淡水鱼类
freshwater fishes
danshui yulel淡水鱼类(freshwater fishes)全世界约有脊椎动物3.8万种,其中鱼类2万多种。中国已记录3 032种,淡水鱼类约计800种和亚种,分隶于19目53种240属(见表)。主要分布在长江、珠江、黄河、黑龙江四大水系,种数分布由东到西和由南到北均呈递减趋势。鲤鱼(亚洲黔 原产的温带窿黔哪瀚蘸淤呱鬓黔腼一岁淤一 中国淡水鱼类区系组成的特点是鲤科鱼类占大多数,在全国各水系中均占50%~60%。鲤科鱼类中各亚科的分布则存在较大的差异,珠江水系以鳃亚科种类最为丰富,计50余种,大约占鲤科鱼类总数的30%,其中属水系的特有种类多达38种,珠江水系没有裂腹鱼亚科鱼类。长江水系有鲤科鱼类169种,占淡水鱼类总数的57%,在所有ro个亚科中,各亚科的种类均出现,而以峋亚科、蝙帕亚科和鳃亚科最多。黄河水系则馨摹 螂鱼(分布于亚洲和欧洲的淡水鱼)以约亚科占优势,占鲤科鱼类总数的35%。东北水系鲤科鱼类有9个亚科,缺鳃亚科和裂腹鱼亚科,约亚科种类最多。青藏高原地区以裂腹鱼亚科占优势。新疆裂腹鱼亚科和雅罗鱼亚科占多数。一般认为,中国淡水中主要经济鱼类约60种,如青鱼、草鱼、鲍、缩、鲤、卿、团头纺、鳞、翘嘴红帕、蒙古红帕、白甲鱼、赤眼蹲、花蟾、鲸、鱼官、铜鱼、青海湖裸鲤、细鳞斜领姻、乌鳄、鲡、黄鳝、鳃、长吻跪、白鲜、长江鲜等(参见彩图插页第67页)。 中国主要水系(地区)鱼类各目的科属种数纽
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条