夏徛荣考研每日一学（fish如何变化）

夏徛荣考研每日一学（fish如何变化）(6) But a 2016 study found the majority of shark researchers surveyed believe sustainable shark fisheries are possible and preferable to widespread bans.(5) Many activists argue a total ban on shark fishing is the only solution to slow or halt the decline. (2) Sharks and their relatives face an existential crisis unprecedented in their 420 million years on the planet. (3) A global trade in product

“fish”作为名词“鱼”，“fishes”表达“鱼类”。还有变化吗？有！“fisher”为“渔夫”，“fishery”为“渔业，水产业； 渔场； 水产公司； 捕鱼权”。稍微一个词缀的变化都会导致概念意义的变化。

今天的文章选自于《科学美国人》（2017年2月），标题为“Harvesting sharks could be key to saving them”。没错，就是这个标题，我们一起看看吧。

【回音壁】

前面文章中出现的“population”可包含（1）全体居民（2）人口（3）人群，种群等常考意义。

【精选】

(1) The spiny dogfish shark has been overfished but a study suggests it and other shark species could be fished sustainably.

(2) Sharks and their relatives face an existential crisis unprecedented in their 420 million years on the planet.

(3) A global trade in products from these animals fuels the capture of tens of millions of individuals a year.

(4) Strong demand combined with poor fishery regulation and high levels of incidental catch have resulted in many populations being overfished with some now facing extinction.

(5) Many activists argue a total ban on shark fishing is the only solution to slow or halt the decline.

(6) But a 2016 study found the majority of shark researchers surveyed believe sustainable shark fisheries are possible and preferable to widespread bans.

【解词】

spiny dogfish shark 角鲨（超刚词）

to overfish v. 过度捕捞

species n. 物种