L1 /
6
CH3041
BIOMAGNIFICATION
• DDT is the
text-book chemical for
biomagnification with fish in the middle of
the food-chain showing
BCF 104 - 105
biomagnification with fish in the middle of
the food-chain showing
BCF 104 - 105
• Each trophic level
has an ability to
bioaccumulate the DDT.
has an ability to
bioaccumulate the DDT.
• As each
subsequent
trophic level eats lots of
members of the previous
level & retains the DDT
then significant
concentration occurs.
trophic level eats lots of
members of the previous
level & retains the DDT
then significant
concentration occurs.
Great Lakes
food chain
food chain
water 3ppt
