Biology Reference
In-Depth Information
3400
A
1
1
2550
1
1
1
1
1700
1
v
1
v
1
v
1
v
v
v
1
1
1
1
11
11
111
11
1
11
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
v
v
vv
vvv
vv
vv
vv
vv
vv
v
v
vv
v
v
vv
v
v
v
v
v
v
v
v
v
v
850
2
2
222222222
2222
22222222
2222
2222222
222
22
2
22
2
2
2
2
2
2
2
2
2
w
w
wwwwww
wwww
wwww
wwwwww
wwwwwwwwwwwwwww
wwwwwwww
wwww
ww
ww
w
w
ww
w
w
w
w
w
w
w
0
0
10
20
30
40
50
60
70
3000
w
v
1
2
B
1
v
2
w
1
2
w
v
v
v
2000
1
1
1
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
ww
w
ww
ww
ww
wwww
wwwww
wwwwwwww
wwwwwwwwwwwww
2
2
2
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
vv
v
vv
vvv
vvvv
vvv
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
11
1
11
11
111
111
11111
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
22
2
22
222
22
2222
2222
222222
1000
0
0
10
20
30
40
50
60
70
GENERATION
Fig. 17.10
Population growth (A) and unique alleles retained (B) across 40 to 63 generations
for trials in which dispersal is long distance (maximum = 2,804 as described in the text) and r
= 1.18. Trials are also identical in all other input conditions except as follows: founders (172)
are placed either in a square in the left preserve only (trials v and 1) or split into two groups,
one in each preserve (trials w and 2); corridors were either 10% high (trials v and w) or 20%
high (trials 1 and 2).
founders are placed in one preserve. In the next example
(Fig. 17.11),
the
case where founders are split into two preserves provides for greater
population expansion. In this latter example, conditions are exactly the
same as in the former example, except as follows: r = 1.9 (trials N and O) or
r = 1.4 (P and Q), and all corridors are 40% the length of one preserve side in
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