Start of salmon farming (1 янв 1950 г. – 31 дек 1969 г.)
Описание:
Federal and provincial hatcheries produce about 750 million salmon and freshwater trout annually for wild-stock enhancement and recreation 1970s: Commercial salmon aquaculture begins with small, local experiments in B.C.Добавлено на ленту времени:
Дата:
1 янв 1950 г.
31 дек 1969 г.
~ 20 years