The study analysis was carried out by researchers at dalhousie university in halifax , canada .

研究分析是由加拿大在哈利法克斯的达尔豪西大学的研究者做出的。

Researchers at canada 's dalhousie university say the global population of phytoplankton has fallen about 40 percent since 1950 .

加拿大达尔豪西大学的研究人员说，全球浮游植物的数量自1950年以来已下跌约百分之四十。

We stayed about a month in amritsar , and , towards the middle of april , started for the dalhousie hills .

我们在阿默尔特萨尔呆了一个月左右，近四月中旬时，就向达尔胡西山进发。

Dr hal whitehead , of dalhousie university , nova scotia , has spent a lifetime studying sperm whales , with astounding conclusions .

加拿大新斯科舍省达尔豪西大学的哈尔怀特黑德博士终生致力于抹香鲸的研究，他的一些结论令人震惊。

Dr worm , who works at dalhousie university in nova scotia , canada , conducted the study in collaboration with ray hilborn of the university of washington , seattle , who was a ferocious critic of his initial analysis .

沃姆博士就职于加拿大新斯科舍省的达尔豪西大学，这项研究是他和西雅图华盛顿大学的雷希尔伯恩合作完成的，后者曾猛烈抨击沃姆先前的那个分析。