Applying both methods to worldwide data, the scientists say industrial fishing over the past decades has not simply worked its way downwards from the top of the food chain -- it has gone upwards, too.
如果将关注食物链顶端和底端的方法同时应用到全球性数据上,那么,科学家们得出的结论是,过去10年的工业捕渔更偏向捕食低食物链鱼类,而对高食物链等级的鱼类而言,它们的食物总量减少了将近一半,倘若按照食物链理论的逻辑,现存高食物链等级的鱼类总数是增加了而不是减少了,因此,不能够简单地认为,工业“捕渔”导致鱼类总体的数量减少。
Along the coast at Krung Jaya, clean-up gangs at a highly-specialized installation are working hard to revive another aspect of the fishing industry at the top end of the commercial scale.
KrungJaya沿岸,在高度专业化工厂中工作的清理队伍正在努力恢复捕捞业最具商业规模的另一方面。
Put these fish at the top of your don 't-eat list and you'll avoid most of the troubles of the world's fishing industry.
把这些鱼肉列入你不吃的名单里,你就能避免世界上捕鱼业所带来的大多数问题。
If things are getting badly on top of me I find there's nothing better to go off my home town and go fishing with dad.
如果情况变得让我忧心忡忡,我觉得最好的解决办法是离开家乡,与爸爸一起去钓鱼。
A Marine conservation zone that is closed to commercial fishing helps save the targeted fish species, or so one would hope. But what about birds or other top predators that dine on those species?
人们希望商业捕鱼场附近的海洋保护区多少可以救助受捕捞鱼类,但以这些鱼类为生的鸟类和其它顶端捕食动物又会怎样?
It is more effective for fishing the blocked oil pipe with the distorted fish top, especially with flexing flat full head.
用途打捞鱼顶变形,尤其对弯扁鱼头的遇卡油管更加有效。
She will be quickly on top of this familiar meal. Then you do nothing. Let her kill it, she'll try to carry but you'll have the sparrow tethered to a twelve ounce fishing weight by a two inch string.
灰背隼会很速的摁住它熟习的食物,然后你什麽都不做,让隼杀死鸟,它会试著带走鸟但是你在鸟身上绑上足够的负重(例如钓鱼用的鈆坠)。
Long casts are also a must when fishing in the spring since the water warms in the springtime on the top rather than the bottom.
春季钓鱼远距离抛投也是必须的,因为上部分水体比下部分水体先暖和起来。
The form of these columns was inspired by a traditional Vietnamese fishing basket that gradually narrows from the top toward the base.
这些柱子的形状受到越南传统鱼篓的启发,鱼篓的顶部到底部是逐渐收小的。
The top of the head is specially designed to ease fishing of the logging tool, and is also known as the fishing bell.
电缆头顶部经特殊设计有打捞环,使易于打捞掉在井中的下井仪器。
There was a group of about one dozen anglers from Fujian, all well-dressed and equipped with top of the line fishing equipment.
那是一群福建钓友,大概有十几人,全副武装、装备精良,带着顶级的渔具。
"Qianshou hook" brand, is currently one of Japan's top ten fishing gear brands.
“千寿钩”品牌,目前是日本十大渔具品牌之一。
A downhole tool routinely used in fishing operations to prepare the top and outside surface of a fish, generally to allow an overshot or similar fishing tool to engage cleanly on the fish.
通常在打捞作业中所使用的一种井下工具。它用来制作落鱼的顶部和外表面,以便使打捞筒或类似的打捞工具能够干净地与落鱼接合。
The next day saw us all fishing another new area of reef, and we did not expect it to be as good as the previous day, for how could we ever top that?
第二天,看到我们所有捕鱼的另一礁新的领域,我们确实没有想到它会像前一天好,怎么能为我们不断超越?
Peking University and Tsinghua University recently released their 2008 "Talent Fishing Policy" in Wuhan, aiming to attract the attention of students who came top in this year's entrance examination.
北京大学、清华大学在武汉正式公布今年的“掐尖政策”,抢夺各省市状元。
Peking University and Tsinghua University recently released their 2008 "Talent Fishing Policy" in Wuhan, aiming to attract the attention of students who came top in this year's entrance examination.
北京大学、清华大学在武汉正式公布今年的“掐尖政策”,抢夺各省市状元。
应用推荐