75a
Relative sensitivity of various organisms
PROTOZOA]
J}JALGAE
IMOLLUSCA
{
107
CRUSTACEA
107
10°
10>
10°
Roentgens
Fig.
1.
X-rays or gamma rays required to kill
50 per cent of organisms.
(Data from
Donaldson and Foster, 1957).
75a
Relative sensitivity of various organisms
PROTOZOA]
J}JALGAE
IMOLLUSCA
{
107
CRUSTACEA
107
10°
10>
10°
Roentgens
Fig.
1.
X-rays or gamma rays required to kill
50 per cent of organisms.
(Data from
Donaldson and Foster, 1957).