was no influence on the production (P) or respiration (R) in either concentration
zone (Fig. 12.6). However, chlorpyrifos has notable hydrolysis and soil adsorption characteristics, and intermittent administration is performed in outdoor
dispersion experiments (i.e., in natural ecosystem experiments/mesocosms). It
is thought that the difference between the experimental conditions is related to the
presence or absence of its influence.
4. Environmental assessment of alachlor, a weed killer. The most susceptible
creature, algae; ECOSAR class, haloacetamides. There was no statistically
Fig. 12.5 Time course of P/R ratio in carbendazim added microcosm
Respiration(mg O 2 /L)
Production(mg O
2 /L)
0
2
4
6
8
0
2
4
6
8
Respiration(mg O 2 /L)
Production(mg O
2 /L)
0
2
4
6
8
0
2
4
6
8
Respiration(mg O 2 /L)
Production(mg O
2 /L)
0
2
4
6
8
0
2
4
6
8
Fig. 12.6 Time course of P/R ratio in chlorpyrifos added microcosm
206
R. Inamori et al.