Table 3. Means, standard deviations, and coefficients of variation for ETL

obtained by "bootstrap" method

Factors

Mean

St.dev.

Var.coeff.

%

Oxygen (mg/L)

Gamma-pesticide (mg/L)

4.317

0.076

1.351

0.015

31

19

 

Lower September relative temperature

Lower May relative

water level

Lower June relative water level

Upper May relative temperature

Lower June pH

0.954

0.889

1.297

1.030

7.372

0.015

0.386

0.532

0.166

0.940

2

43

41

16

13

 

Lower July pH

7.533

0.309

4

 

 

Table 4. Means, standard deviations, and coefficients of variation for completeness obtained by "bootstrap" method (%)

Factors Mean

St.dev.

Var.coeff.

Oxygen 25.600

Gamma-pesticide 29.400

12.358

4.326

48

15

Lower September temperature 54.700

Lower May water level 60.600

14.040

21.178

26

35

Lower June water level 81.400

Upper May temperature 73.200

30.016

37.395

37

51

Lower June pH 30.200

Lower July pH 29.900

21.999

19.632

73

66

 

Table 5. Pooled means, standard deviations, and coefficients of variation for completeness obtained by "bootstrap" method (%)

Characteristic Mean St.dev. Var.coeff.

Pooled exactness 72.700 4.572 6

Pooled completeness 65.900 7.078 11