单词 | 淡水鱼 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
释义 | 淡水鱼 noun —freshwater fish n淡水鱼 —fresh-water fishSee also:淡水—fresh water • potable water (water with low salt content) 淡 adj—fresh adj • pale adj • weak adj 淡淡 n—hint n 鱼水—fish and water (metaphor for an intimate relationship or inseparability)
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投喂的超过67.7%养殖鱼类产量为 淡水鱼 , 包 括鲤鱼和其他鲤科鱼、 罗非鱼、鲶鱼和其他淡水鱼。 fao.org | More than 67.7 percent of farmed fed [...] fish production is [...] contributed by freshwater fishes, including carps and other cyprinids, tilapias, catfishes and miscellaneous freshwater fishes. fao.org |
但也有很多采用精养池塘、网箱或水箱系统生 产 淡水 鱼、海淡水洄游鱼、海洋肉食性鱼和甲壳类出口或供应国内高端市场。 fao.org | However, they also range up to the use of moreintensive pond-, cage- or [...] tank-based systems for the [...] production of freshwater, diadromous and marine carnivorous fishes and crustaceans [...]for export or high-end domestic markets. fao.org |
过去二十年,淡水鱼类份 额急剧增加, 主要受埃及尼罗罗非鱼和其他物种养殖快速发展的驱动。 fao.org | The share of freshwater fishes has increased dramatically [...] in the past two decades, driven largely by rapid development in [...]Nile tilapia and other species in Egypt. fao.org |
养殖场生产的水产饲料在养殖低价值 淡水鱼 方 面 发挥着重 要作用。 fao.org | Farm-made aquafeeds play an important role in the production [...] of low-value freshwater fish species. fao.org |
威胁淡水鱼类养 护因素的分析:过去和当前挑战。 fao.org | Analysis [...] of threats to freshwater fish conservation: past [...]and present challenges. fao.org |
是淡水鱼,是 国际贸易中相对新的产品。 fao.org | Pangasius is a freshwater fish, and it is a [...] relatively recent arrival in terms of international trade. fao.org |
编汇关于主要生态系统和食物资源(即水上体系及 其 淡水鱼 和 海龟)的本土知识 和专门技能文件。 unesdoc.unesco.org | Documenting indigenous knowledge and [...] know-how related to a major ecosystem and food resource, namely the aquatic [...] system and its freshwater fishes and turtles. unesdoc.unesco.org |
肉食性物种,例如尖吻鲈、鲈鱼和乌鳢,2010 年只占淡水鱼总产量的2.6%。 fao.org | Carnivorous species such as perches, basses and snakeheads accounted for only 2.6 [...] percent of all freshwater fish produced in 2010. fao.org |
尽管同样缺乏准确信息,但预计2006年水产养殖利用低价值鱼(即不是制作 [...] 为鱼粉的原料成分)在560万和880万吨之间,2008年,仅中国水产养殖就利用了 600–800万吨低值鱼,包括海水鱼、 淡水鱼 和 活 饵料鱼。 fao.org | Although, again, accurate information is lacking, it has been estimated that the total use of low-value fish (i.e. as raw ingredients not reduced into fishmeal) in aquaculture was between 5.6 million and 8.8 million tonnes in 2006 and that, in 2008, Chinese [...] aquaculture alone used 6–8 million tonnes of low-value fish, [...] including marine fish, freshwater fish, and live food fish. fao.org |
水族宠物用品专卖店,提供淡水鱼、 海 水 鱼 、 水 草及鱼病咨询服务。 business-china.com | Shui national minority pet thing specializes in selling shop, provides fresh water fish, sea water fish, water plant and fish disease consulting service. business-china.com |
在马来西亚,妇女占水产养殖总劳力约10%,大部分从事淡水 水产养殖及海水鱼、对虾和淡水鱼的 孵 化工作。 fao.org | In Malaysia, women account for about 10 percent of the total aquaculture workforce, and [...] they are mostly involved in freshwater aquaculture and hatchery [...] operations for marine fish, shrimp and freshwater fish. fao.org |
淡水鱼类产 量始终以鲤科鱼为主(2010年占71.9%,2420万吨)。 fao.org | Production of freshwater fishes has always been [...] dominated by carps (71.9 percent, 24.2 million tonnes, in 2010). fao.org |
全球水产养殖产量中占主导地位的是 淡水鱼 类 ( 占56.4%,3370万吨),随 后是软体类(占23.6%,1420万吨)、甲壳类(占9.6%,570万吨)、 海 淡水 洄游鱼类(占6.0%,360万吨)、海洋鱼类(占3.1%,180万吨)和其它水生动物(占 1.4%,81.43万吨)。 fao.org | Freshwater fishes dominate global aquaculture production (56.4 percent, 33.7 million tonnes), followed by molluscs (23.6 percent, 14.2 million tonnes), crustaceans (9.6 percent, 5.7 million tonnes), diadromous fishes (6.0 percent, 3.6 million tonnes), marine fishes (3.1 percent, 1.8 million tonnes) and other aquatic animals (1.4 [...] percent, 814 300 tonnes). fao.org |
在复原生境和资源增殖后,建立淡水保护区是 第三种最普遍的保护淡水鱼类种 群的干预措施1 。规定休渔期和休渔 区,以及防止在产卵场、未开发的和河流风景指定区以及当地鱼类 [...] 养护区捕捞,在一定程度上都可视为建设淡水保护区。 fao.org | Following habitat rehabilitation and stock enhancement, the use of FPAs is the [...] third-most common [...] intervention to protect freshwater fish populations.1 Closed fishing seasons and [...]areas, prevention of fishing [...]on spawning grounds, wild and scenic river designations, and native fish conservation areas can all be considered FPAs to one extent or another. fao.org |
淡水养鱼是发 展中国家从事水产养殖相对容易的切入点,特别是小型生产者。 fao.org | Freshwater fish farming has been [...] a relatively easy entry point for practising aquaculture in developing countries, particularly for small-scale producers. fao.org |
水产养殖的物种 2010年,世界水产养殖产量的构成是: 淡水鱼 类 ( 56.4%,3370万吨)、软体 动物(23.6%,1420万吨)、甲壳类(9.6%,570万吨)、 海 淡水 洄 游鱼类(6.0%, 360万吨)、海洋鱼类(3.1%,180万吨)和其他水生动物(1.4%,81.43万吨)。 fao.org | In 2010, the composition of world aquaculture [...] production was: freshwater fishes (56.4 percent, 33.7 million tonnes), molluscs (23.6 percent, 14.2 million tonnes), crustaceans (9.6 percent, 5.7 million tonnes), diadromous fishes (6.0 percent, 3.6 million tonnes), marine fishes (3.1 percent, 1.8 million tonnes) and other aquatic animals (1.4 [...]percent, 814 300 tonnes). fao.org |
z 由于在许多可食的淡水鱼、海水鱼及 海 洋哺乳动物中,甲基汞能够增长(生物累积及生物放大作用) 至周围水体中含量的几千倍,它具有特殊的利害关系(UNEP [...] 2002)。 zeromercury.org | z Methylmercury is of particular concern because it can build up [...] (bioaccumulate and biomagnify) in [...] many edible freshwater and saltwater fish and marine mammals [...]to levels that are many thousands [...]of times greater than levels in the surrounding water (UNEP 2002). zeromercury.org |
469 个社区位于淡水捕鱼区,40 个社区位于沿海区域。渔业 保护区包括 18 个地方(保护海豚 、种鱼、 珊瑚、海草),它们都得到了当地居 民的 支持。 daccess-ods.un.org | The fishery conservation areas consist of eighteen places (dolphins, breeding fish, coral, and [...] sea grass) with the support of the local citizens. daccess-ods.un.org |
头菜必点的是芬兰淡水白鱼籽薄 饼和腌三文鱼。 visitfinland.com | A must starter is their [...] blinis with Finnish freshwater whitefish roe [...]and gravlax. visitfinland.com |
印度养殖者养殖鲤鱼超过97%的饲料是养殖场生产的水产饲料(2006/07 年750万吨),这类饲料是亚洲和撒哈拉以南其他国家养殖低价 值 淡水鱼 饲 料投 入的主要依靠。 fao.org | More than 97 percent of carp feeds used by Indian farmers are farm-made aquafeeds (7.5 million tonnes in 2006/07), [...] and they are the mainstay of feed [...] inputs for low-value freshwater fishes in many other Asian [...]and sub-Saharan countries. fao.org |
另外,鸵鸟皮、鳄鱼皮、短鼻鳄鱼皮、蜥蜴皮、蛇皮、牛蛙皮、海水鱼皮(有鲨鱼皮、鳕鱼皮、鳘鱼皮、鳗鱼皮、珍珠鱼皮等) 、 淡水鱼 皮 ( 有草鱼、鲤鱼皮等有鳞鱼皮)、带毛的狐狸皮(银狐皮、蓝狐皮等)、狼皮、狗皮、兔皮等则容易辨认,且无法制成二层皮。 aurumjewel.com | In addition, ostrich, crocodile, alligator, lizard, snake skin, bullfrog skin, skin ( a sea shark skin, fish skin, fish skin of [...] slate cod croaker, eel skin, such as [...] pearl fish skin ), freshwater fish ( grass carp, [...]carp skin, scaly skin with hair ), [...]fox ( fox skin blue fox, etc.), wolf, dog, rabbit and other easily recognizable, and could not be made of two layers of skin. aurumjewel.com |
宝石鱼却较一般鱼塘养殖的淡水鱼含 较 高的不饱和脂肪酸,特别是其中的n3多元不饱和脂肪酸(n3-PUFAs)更是人类身体需要的养份,有助预防与心脏有关的疾病。 sfgourmet.com | Jade perch, compared with the [...] standard farming freshwater fishes, is with higher [...]unsaturated fatty acids, particularly the [...]n3 polyunsaturated saturated fatty acids (n3-PUFAs) which is one of the human body’s major nutrients to help to prevent heart-related diseases. sfgourmet.com |
利 用配合水产饲料生产低价值食用鱼(按销售条件),例如非滤食性鲤科鱼、罗非 鱼、鲶鱼和遮目鱼,以及高价值物种,例如海 水 鱼 、 鲑 科 鱼 、 海 水 对 虾 、 淡水鳗 鱼、鳢鱼和甲壳类。 fao.org | Compound aquafeeds are used for the production of both lower-value (in marketing terms) foodfish species, such as non-filter-feeding carps, tilapias, catfishes and milkfish, as well as [...] higher-value species, such as marine [...] finfishes, salmonids, marine shrimps, freshwater eels, snakeheads and crustaceans. fao.org |
该 区域淡水养殖份额在上世纪九十年代从55.2%下降到21.8%,很大程度上反映了埃 [...] 及咸水养殖的强劲增长,但本世纪头十年恢复,2010年达到39.5%,是撒哈拉以 南非洲淡水养鱼快速 发展的结果,最显著的是尼日利亚、乌干达、赞比亚、加纳 [...]和肯尼亚。 fao.org | The share of freshwater aquaculture in the region fell from 55.2 percent to 21.8 percent in the 1990s, largely reflecting the strong growth in brackish-water culture in Egypt, but it recovered in the 2000s, reaching 39.5 [...] percent in 2010 as a result of rapid [...] development in freshwater fish farming in sub-Saharan [...]Africa, most notably in Nigeria, [...]Uganda, Zambia, Ghana and kenya. fao.org |
2002 年,王国政府与许多国际组织和非政府 组织合 作,如粮农组织、湄 公 河 委员会、柬埔寨重新安置 和重返 社会方案 、 [...] STREAM-DFID、防治荒漠化公约、德国 技术合作公司、商营航空协会、英 国国际 发展部 、 美 国乐施会、英 [...] 国乐施会、国际发展研究中 心 、 世 界 自 然 基 金 会等,并 决定将 56.23%的捕鱼区改为 217 处海洋和淡水捕鱼场所 ,让人们从事家庭捕鱼。 daccess-ods.un.org | Oxfam GB, IDRC, WWF, etc. in 2002, the Royal Government [...] decided to turn the area of [...] 56.23 per cent of fishing lots into 217 sea and fresh water fishing communities [...]for the citizens to do family fishing. daccess-ods.un.org |
一些投喂型水产养殖系统采用低成本的土池塘以半精养生产系统大量养殖供 当地消费的淡水杂食鱼类。 fao.org | Some fed-aquaculture farming systems use low-cost earthen ponds in [...] semi-intensive production systems for the mass [...] production of freshwater omnivorous fishes destined for local [...]domestic consumption. fao.org |
海淡水洄游鱼 类产量份额,包括虹鳟和其他鲑科鱼类、鳗鱼和鲟鱼,从1990年的6.3%收缩到 2010年的2.5%。 fao.org | The share of diadromous fishes, including rainbow trout and other salmonids, eels and sturgeons, shrank from 6.3 percent in 1990 to 2.5 percent in 2010. fao.org |
随着工业和农业的发展,可通过技术变化来促进继续利 用 淡水 开展鱼类生产。 fao.org | The continued use of freshwater as a locale for fish production, as industries [...] and agriculture grow, can be promoted through technological change. fao.org |
自上世纪九十年代初期起,海淡水洄 游 鱼 类 世 界产量的一半多来自鲑科鱼 类,在被亚洲的遮目鱼产量增加导致份额稍有下降前的2001年达到70.4%高峰。 fao.org | Since the beginning of 1990s, more than half of the world [...] production of diadromous fishes has come from salmonids, [...]and the share peaked at 70.4 percent [...]in 2001 before declining slightly in the face of increased milkfish production in Asia. fao.org |
总之,对应于已建群的自然淡水种群的文献资料,在引入种群中所观察到的个体大小和体侧骨板数目的变化,意味着三 刺 鱼 对 与 淡水 环 境 中生活相关的多种挑战的适应可以快速发生[动物学报52(3): 483 –490, 2006]。 actazool.org | Overall, I observed changes in body size and lateral plate number in the introduced population that parallel changes [...] documented in [...] established natural freshwater populations of threespine stickleback, implying that adaptation to the multiple challenges associated with life in freshwater environments [...]may occur rapidly[Acta [...]Zoologica Sinica 52(3): 483–490, 2006]. actazool.org |
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