Derner, J.D. & Briske, D.D. (1999) Intraclonal regulation in a perennial, caespitose grass: a field evaluation of above- and below-ground resource availability.
87, 737 - 747.Appendix 1
Linear regression equations for estimating green leaf blade area (cm2) from individual leaf blade length (BL, cm) and ramet mass (g) from total leaf blade length ramet-1 (TL, cm) or total ramet height (TH, cm). Schizachyrium scoparium clones were located on the Texas A&M Native Plant and Animal Conservancy.|
Leaf Blade Area |
Equation |
N |
R -value |
R2 |
SEM |
|
1995 |
|
|
|
|
|
|
15 May |
-2.55 + 0.55 (BL) |
44 |
<0.0001 |
0.94 |
1.10 |
|
1 June |
-2.29 + 0.51 (BL) |
46 |
<0.0001 |
0.81 |
2.28 |
|
15 June |
-3.93 + 0.63 (BL) |
48 |
<0.0001 |
0.90 |
1.68 |
|
1 July |
-2.47 + 0.55 (BL) |
64 |
<0.0001 |
0.92 |
1.73 |
|
15 July |
-1.30 + 0.45 (BL) |
76 |
<0.0001 |
0.93 |
1.26 |
|
1996 |
|
|
|
|
|
|
15 May |
-3.02 + 0.50 (BL) |
39 |
<0.0001 |
0.87 |
1.92 |
|
1 June |
-1.43 + 0.47 (BL) |
39 |
<0.0001 |
0.89 |
1.73 |
|
15 June |
-1.49 + 0.48 (BL) |
38 |
<0.0001 |
0.95 |
0.93 |
|
1 July |
-3.05 + 0.50 (BL) |
36 |
<0.0001 |
0.94 |
1.50 |
|
15 July |
-1.99 + 0.51 (BL) |
34 |
<0.0001 |
0.81 |
2.04 |
|
1997 |
|
|
|
|
|
|
15 May |
-1.70 + 0.54 (BL) |
47 |
<0.0001 |
0.93 |
1.76 |
|
1 June |
-2.22 + 0.40 (BL) |
50 |
<0.0001 |
0.85 |
1.63 |
|
15 June |
-2.25 + 0.60 (BL) |
56 |
<0.0001 |
0.91 |
1.56 |
|
1 July |
-2.27 +0.54 (BL) |
60 |
<0.0001 |
0.85 |
1.82 |
|
15 July |
-1.59 + 0.49 (BL) |
61 |
<0.0001 |
0.88 |
2.21 |
|
|
|
|
|
|
|
|
Ramet Mass |
|
|
|
|
|
|
1995 |
|
|
|
|
|
|
15 May |
-0.1987 + 0.0073 (TL) |
10 |
<0.0001 |
0.86 |
0.1063 |
|
1 June |
-0.2733 + 0.0073 (TL) |
10 |
0.0006 |
0.76 |
0.1967 |
|
15 June |
-0.2685 + 0.0079 (TL) |
10 |
<0.0001 |
0.88 |
0.1291 |
|
1 July |
-0.5680 + 0.0114 (TL) |
10 |
0.0021 |
0.88 |
0.4494 |
|
15 July |
-0.4122 + 0.0307 (TH) |
10 |
0.0307 |
0.93 |
0.2413 |
|
1996 |
|
|
|
|
|
|
15 May |
-0.1251 + 0.0056 (TL) |
10 |
<0.0001 |
0.88 |
0.1194 |
|
1 June |
-0.0709 + 0.0052 (TL) |
10 |
<0.0001 |
0.89 |
0.0875 |
|
15 June |
-0.0532 + 0.0059 (TL) |
10 |
<0.0001 |
0.96 |
0.0568 |
|
1 July |
-0.0302 + 0.0045 (TL) |
10 |
<0.0001 |
0.93 |
0.0590 |
|
15 July |
-0.0229 + 0.0047 (TL) |
10 |
<0.0001 |
0.83 |
0.0905 |
|
1997 |
|
|
|
|
|
|
15 May |
-0.0883 + 0.0058 (TL) |
10 |
<0.0001 |
0.98 |
0.0554 |
|
1 June |
-0.0523 + 0.0054 (TL) |
10 |
0.0005 |
0.78 |
0.1128 |
|
15 June |
-0.3307 + 0.0086 (TL) |
10 |
<0.0001 |
0.91 |
0.1136 |
|
1 July |
-0.3879 + 0.0092 (TL) |
10 |
0.0014 |
0.71 |
0.2877 |
|
15 July |
-1.0537 + 0.0433 (TH) |
10 |
0.0433 |
0.84 |
0.4291 |