DODD & FRANZ: UPLAND SNAKES


711111


.... .... . I _lll l l I . . 11 1 I J I I. I


20 30 40 50 60 70
 TRAP NUMBER


80 90 100


 5


u 4
I--



uI
m2
O 2
z
 1


 0
 0


N = 60


40 60 1 I00 120
40 60 80 1 00 120


 TRAP NUMBER

Figure 7. Total number of snakes captured by individual traps in xeric habitats. (A) 1989; (B) 1990.




 Sampling Considerations


 Throughout the long 1989 sampling period in xeric habitats, snakes were
caught at least once in 88% of all traps, but only 5% of the traps accounted for six
or more snakes (Fig. 7A). Snakes were caught in only 33.1% of traps in xeric


10r


N= 215


0 10


I III


__


..........


n