Table I. The evolution of far seas... | Emerald Publishing

Table I.

The evolution of far seas longline tuna vessel refrigerating equipment temperature

Far seas longline tuna vessel refrigeration equipment temperature
Period	Freezer compartment	Fish warehouse
1950 ∼ 1955	−25 ∼ −30°C	−15 ∼ −20°C
1955 ∼ 1960	−30 ∼ −35°C	−20 ∼ −35°C
1960 ∼ 1965	−35 ∼ −40°C	−25 ∼ −30°C
1965 ∼ 1968	−40 ∼ −45°C	−35 ∼ −40°C
1968 ∼ 1970	−45 ∼ −50°C	−40 ∼ −45°C
1970 ∼ 1972	−50 ∼ −55°C	−45 ∼ −50°C
1972 ∼ 1980	−55 ∼ −60°C	−50 ∼ −55°C
After 1980	−60 ∼ −65°C	−55 ∼ −60°C

Far seas longline tuna vessel refrigeration equipment temperature
Period	Freezer compartment	Fish warehouse
1950 ∼ 1955	−25 ∼ −30°C	−15 ∼ −20°C
1955 ∼ 1960	−30 ∼ −35°C	−20 ∼ −35°C
1960 ∼ 1965	−35 ∼ −40°C	−25 ∼ −30°C
1965 ∼ 1968	−40 ∼ −45°C	−35 ∼ −40°C
1968 ∼ 1970	−45 ∼ −50°C	−40 ∼ −45°C
1970 ∼ 1972	−50 ∼ −55°C	−45 ∼ −50°C
1972 ∼ 1980	−55 ∼ −60°C	−50 ∼ −55°C
After 1980	−60 ∼ −65°C	−55 ∼ −60°C

Source: Watanabe (1991)