サバのとれる量が少なくなります

The amount of mackerel that can be taken will be reduced little

The amount of mackerel that can be taken will be reduced little
サバをとってもいい量が、とても少なくなることになりました

A very good measure of mackerel has been lost very little.

A very good measure of mackerel has been lost very little.
今、水産庁の会議で、太平洋でとれるサバの量を13万9000{トン}にすることが決まりそうです

At the Fisheries Agency's meeting, it seems that it will be decided that the amount of mackerel that can be collected in the Pacific Ocean will be 139,000.

At the Fisheries Agency's meeting, it seems that it will be decided that the amount of mackerel that can be collected in the Pacific Ocean will be 139,000.
これは、前の年よりも6割も少ないです

This is 60% less than the previous year.

This is 60% less than the previous year.
でも、最近とれたサバの量は、この決められた量よりも少なかったです

However, the recently-deserved mackerel measurements were less than the determined measurements.

However, the recently-deserved mackerel measurements were less than the determined measurements.
だから、すぐにサバの値段が高くなる心配はあまりありません

So there's not much to worry about the price of mackerel getting higher soon

So there's not much to worry about the price of mackerel getting higher soon