224
H . KLOMP
101 9 5 7
30-MEAN 0.73ISO.M.
VARIANCE 1.08
ST. DEV. of MEAN: 0.15
-
-
-
n
W
rn
I
20 ' h
10 -Ih
A
4 9 6 2
0
2
M €AN 1.2 1'12 SQM.
VARIANCE 7.2
ST.DEV. of MEAN:0.27
4
6
8
10 12 14 16
C
2oi
0
2
L
6 6
10 12 ? L 16
NYMPHS PER FUNNEL OF '/2 S 0 . M .
FIQ. 6. A. Frequency distributions of descending nymphs in a year with low density
(1957; 51 funnels placed in the study area, each one m* surface), and in a year with high
density (1962; 100 funnels placed in the study area, each 4 me surface). Soe Table V,
B. Poisson distributions with the same means as in A. C. Negative binomial distributions with the same means and variances ES in A. See the text a d Table VI for fitting
the graphs C to A.
H . KLOMP
101 9 5 7
30-MEAN 0.73ISO.M.
VARIANCE 1.08
ST. DEV. of MEAN: 0.15
-
-
-
n
W
rn
I
20 ' h
10 -Ih
A
4 9 6 2
0
2
M €AN 1.2 1'12 SQM.
VARIANCE 7.2
ST.DEV. of MEAN:0.27
4
6
8
10 12 14 16
C
2oi
0
2
L
6 6
10 12 ? L 16
NYMPHS PER FUNNEL OF '/2 S 0 . M .
FIQ. 6. A. Frequency distributions of descending nymphs in a year with low density
(1957; 51 funnels placed in the study area, each one m* surface), and in a year with high
density (1962; 100 funnels placed in the study area, each 4 me surface). Soe Table V,
B. Poisson distributions with the same means as in A. C. Negative binomial distributions with the same means and variances ES in A. See the text a d Table VI for fitting
the graphs C to A.