Algae Oedogonium

Unknown Fish exposed to radiolabeled diflubenzuron for33 days contained about 6% of the parent diflubenzuron vs. 54% for alga (Oedogonium cardiacum), 82% for snail (Physa sp.), and 94% for larvae of mosquito (Culex pipiens quinquefasciatus) 42... 

Midge, Chironomus ripariusAarvae Mosquito, Culex pipiens quinquefasciatus Alga, Oedogonium cardiacum Periphyton, mostly diatoms Cladoceran, D. pulex Cladoceran, D. magna Snail, Physa sp. 

BIOACCUMULATION Algae (Oedogonium) after 33 days in model ecosystem, water contained 0.00034 ppm, algae contained 18.32 ppm, BCF (55.890) less than 2% (0.16 ppm) of that accumulated by the water flea (Daphnia) was present as the unmetabolized ester Mollusca (Physa) after 33 days in model ecosystem, water contained 0.00034 ppm, snail contained 7.30 ppm, BCF (21,480) Fish (Gambusia affinis) after 33 days in model ecosystem, water contained 0.00034 ppm, fish contained 0.044 ppm, BCF (130) BCF (mosquito fish, after 3 days and after 33 days) 1.16, 9400 BCF (algae, after 3 days and 33 days) 660, 285000 Log BCF (fish and invertebrates experimental values) 2, 5, 32, 35, 45, 49, and 57 Log BCF (fathead minnows) 2.93, Log BCF (bluegill sunfish) 2.06... 

Figure 95. Iodine-131 tracer experiment in an oligotrophic lake, (a) Iodine-131 content (nCi/kg dry wt.) in a green alga (Oedogonium sp.) (2) and a moss (Sphagnum recurvum) (6) and in the water (10 nCi/liter) (5). (b) Iodine-131 content (nCi/kg dry wt.) in a sponge (Spongilla lacustris) (1),...

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