10 






















A 
-==% COMPOSITION *~-% CANOPY COVER OF GRASSES 
——% CANOPY COVER —"t CANOPY COVER OF FORBS 
6) inn NUMBER 6 sui % CANOPY COVER OF SHRUBS 
Ss j % CANOPY COVER 
5 L5 @ 100} 
los 2 904 Lg 
a 
x4 r4 6 = 80 ao 
i c ee [ z 
Ww a= ~ r 
2 | . o 70) a ted o tae tx 
23 }3 = 2 604 r6s 
3 a 3 
© 504 59 
| - 
2 Lo Z 404 ya 
| oO 2 
Z 30} iS 
ai ao = 
pf wth Ph, Ly z 204 2 
1 S [ 
= 104 1 
et eae <a aa | | 
4 2 3 4 5 6 7 8 9 i 2 a 4 5 7 a 9 
(N-1) (N=12) (N=30) (N 2B) (N 20) (N 10) (N 13) (N 7) (N 3) (N°2) (N°26) (N-59) (N=67) (N°59) (N=45) (N=3B) (N-18) (N=7) 
AGE (YRS) AGE(YRS) 
i B 3 E 
---%COMPOSITION “MEAN NUMBER OF GRASS SPECIES 
—% CANOPY COVER MEAN NUMBER OF FORB SPECIES 
wuss WUMBER oad =--MEAN NUMBER OF SHRUB SPECIES 
_ FORBS 224 MEAN NUMBER 
20 100 20} bi00 
“4 OF SPECIES [ 
ao z © 164 730 
70 6 2 44 ok 
Cc 3 2 
oH = 424 ri0 6 
z = iva 
50 < a 14 50 & 
S 2 z 
40 84 L40 = 
wu 
30 64 39 = 
20 44 r20 
10 2 10 
| nnn a nnn enn, | 
1 2 3 4 5 6 7 a 5 1 2 a 4 5 6 7 8 a 
(N-2) (N=26) (N59) (N- 67) (N59) (N 45) (N38) (N 18) (N 7) (N 2) (N 26) (N59) (N67) (N59) (N 45) (N 38) (N 18) (N-7) 
AGE (YRS) AGE (YRS) 
mate Cc F 
% COMPOSITION | =-+% COMPOSITION OF GRASSES 
———"% CANOPY COVER — % COMPOSITION OF FORBS 
” #06 NUMBER | ssa % COMPOSITION OF SHRUBS 
1 GRASSES %® SPECIES 
104 % 1004 
| f COMPOSITION 
3 ba: QO 904 a 
a gant Wt eo Ae ee e 9 “ or en er nen enn an 
zi ~] td oO 
— 
ti ‘| w 70) v= 
36 Bs 604 Lo 
2 
ae & 304 bs 
eH | a 
4 ai 40) i’ a 
54 & 30 Lag 
i w 
24 > 20 o= 
< 
4 2 10: oo 1 
L = ¥ we { “ tuabeatheat ey Koissenencts ater esevtesst comm dboanntivaete 
i 2 a 4 5 6 7 a g a 5 3 f 5 Fr. 8 4 
(N 2) (N 26) (N 59) (N 67) (N59) (N 45) (N98) (N18) (N 7) (N 2) (N26) (N 59) (N-67) (N59) (N 45) (N-38) (N18) (N-7) 
AGE (YRS) AGE (YRS) 
Fig. 7. Mean number of species, percent canopy cover, and percent composition for (A) shrubs, (B) forbs, and (C) grasses and compari- 
sons of grasses, forbs, and shrubs by (D) percent canopy cover, (E) mean number of species, and (F) percent composition per age class 
for seeded nesting cover stands during 1977-79. 
