A million people died in Ireland

在爱尔兰数以百万计的人死去
while wheat was being exported to England

而与此同时因为经济原因
because of economic conditions.

小麦还在源源不断地运往英格兰
If more varieties of corn-or rather potatoes,

如果当时爱尔兰
had been grown in Ireland at the time

种植了更多品种的玉米或者是马铃薯
some would have been vulnerable to this fungus,

一些品种对那种菌种易感
others would not have,

而其他不会
and it's quite possible that a famine like this

很可能那样一场饥荒
could have been averted.

就被避免了
There are many reasons for shrinking diversity

多样性的减少有很多原因
and you see some of them listed here,

这里列出了一些
but some of it has to do with the physical properties of the food.

但有一些也与食物的物理特性有关