What was the approximate minimum population count for the Baltic Sea grey seals during the 1970s following historical declines?

Answer

5,000

Due to intense hunting and contamination, the Baltic grey seal population plummeted to a low of about 5,000 individuals in the 1970s.

What was the approximate minimum population count for the Baltic Sea grey seals during the 1970s following historical declines?
populationconservationmammalwildlifeseal