古代人类骨骼揭示古代饮食和生活方式 分享到
Ancient Bones Reveal Ancient Diet, Lifestyle 2018-10-09105045

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Scientists learned recently that fish was the main source of protein for people in southern Scandinavia many thousands of years ago. They also ate other animals that live in the water. The findings come from Lund University in Sweden. Scientists there tested ancient human bones from more than 80 individuals.
科学家最近了解到,几千年前,鱼是斯堪的纳维亚南部人主要的蛋白质来源。他们还吃生活在水里的其他动物。这一发现来自瑞典隆德大学。那里的科学家们检试了80多具古代人类遗骸的骨骼。
One of the researchers was Adam Boethius. He says by studying the chemistry of the bones, they learned the diet of the people they belonged to.
亚当·伯蒂乌斯是其中一名研究员。他表示,通过研究骨骼的化学成分,他们得知了骨骼所属者的饮食。
Basically you are what you eat. And so when you study this -- stable isotopes -- you get an indicator of what the humans have been eating.
“基本上你吃什么就是什么。所以当你研究稳定同位素时,你就会得到一个指标,指示人类一直在吃的东西。”
The study examined the importance of a mix of protein sources in the human diet from around 10,500 to 7,500 years ago. They found that in Scandinavia most of what people ate came from the sea.
这项研究检验了大约10,500到7500年前人类饮食中蛋白质多重来源的重要性。他们发现在斯堪的纳维亚,人们吃的大部分食物来自大海。
Boethius said back then, fish made up 50 to 70 percent of the diet. He said other sea animals like seals and dolphins brought that percentage to almost 100 percent.
伯蒂乌斯表示,当时,鱼占饮食的50%到70%。他说,海豹和海豚等其他海洋动物将这一比例提高到几乎100%。
This research changed the understanding of how ancient people of the area lived. Earlier studies suggested these people hunted big animals and moved around a lot to follow them. But the chemical examinations did not show proteins linked to deer and elk and other land animals of the time.
这项研究改变了人们对该地区古人生活方式的理解。早期的研究表明,这些人猎杀大型动物,并转移住所以跟踪它们。但化学测验没有显示与当时就有的鹿、麋鹿和其他陆地动物有关的蛋白质。
Boethuis said scientists now believe these people stayed in place for most of their lives and ate local food. The discovery, he argued, provides evidence that "settlements appeared in Scandinavia much earlier than researchers” once believed.
伯蒂乌斯表示,科学家现在认为这些人大半生都待在一个地方,吃当地的食物。他认为,这一发现提供的证据表明,“斯堪的纳维亚出现人类定居点的时间要比研究人员曾经认为的早得多”。
I’m Anna Matteo.
安娜·马泰奥为您播报。

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