Ecological Archives M078-003-A4

Lorena Gómez-Aparicio and Charles D. Canham. 2008. Neighborhood models of the effects of invasive tree species on ecosystem processes. Ecological Monographs 78:69–86.

Appendix D. Parameter estimates and two-unit support intervals for the most likely models analyzing the effects of dominant tree species (both invasives and natives) on soil properties.

Parameter

a[Site 1]

a [Site 2]

a [Site 3]

a [Site 4]

a [Site 5]

a [Site 6]

α

β

γ

X0

Xb

b

λACPL

λ AIAL

λ ACSA

λ FRAM

λ QURU

Forest floor depth (mm)

13.24
[10.92–15.35]

11.78
[9.60–14.01]

22.50
[20.36–24.86]

20.74
[18.57–23.03]

20.64
[18.37–22.80]

12.49
[10.31–14.75]

2.54
[2.21–2.62]

   

6.75
[5.77–7.65]

7.74
[5.11–9.12]

26.25
[18.83–33.02]

0.14
[0–0.20]

0
[0–0.23]

0.15
[0–0.30]

0
[0–0.16]

0.93
[0.73–1]

 pH

4.06
[3.92–4.21]

4.28
[4.13–4.43]

3.79
[3.65–3.94]

5.35
[5.22–5.48]

4.38
[4.25–4.53]

5.21
[5.05–5.36]

1.48
[1.37– 1.62]

   

1.09
[1.00–1.21]

1.37
[1.29–1.46]

2.96
[2.52–3.39]

0.99
[0.83–1]

0.47
[0.30–0.61]

0.12
[0.09–0.26]

0.45
[0.39–0.62]

0.05
[0.01–0.16]

Extractable Ca
(mg/g)

8.37
[0–24.77]

11.18
[0–28.34]

10.53
[0–29.01]

206.89
[189.3–223.45]

43.97
[26.60–60.02]

103.07
[85.55– 119.04]

3.00
[2.79–3.00]

2.99
[2.87–3.00]

0.0003
[0.002–0.0004]

   

126.38
[100.4–153.55]

0.98
[0.95–1]

0.72
[0.62–0.91]

0.18
[0.10–0.22]

0.11
[0–0.32]

0
[0–0.11]

Extractable K
(mg/g

3.79
[2.99–4.60]

1.89
[1.11–2.71]

3.12
[2.23–3.84]

4.86
[4.03–5.63]

4.08
[3.24–4.86]

6.22
[5.41–7.03]

0.85
[0.73–0.91]

   

5.70
[5.08–6.27]

19.75
[18.73–20.76]

0.59
[0.46–0.73]

0.50
[0.35–0.61]

0.43
[0.29–0.54]

0.09
[0–0.13]

0.18
[0.11–0.26]

0
[0–0.11]

Mass N
(g/m2)

325.08
 [300.70–347.84]

234.83
[211.38–258.31]

288.89
[261.45–309.12]

345.90
[323.44–371.85]

360.71
[339.01–385.96]

292.81
[270.84–317.69]

0.97
 [0.85–1.09]

   

6.95
[6.08–7.92]

5.22
[4.89–5.88]

11.59
[10.08–13.09]

0.30
[0.10–0.47]

0.80
[0.67–0.93]

0.21
[0.15–0.38]

0.46
[0.30–0.68]

0.63
[0.61–0.80]

C:N

11.55
[10.80–12.19]

12.39
[11.65–13.08]

13.17
[12.52–13.97]

15.62
[14.68–16.40]

10.89
[10.18–11.60]

11.05
[10.33–11.77]

0.87
[0.78–0.92]

   

1.00
[1.00–1.26]

1.04
[0.94–1.17]

3.35
[2.51–4.17]

0.01
[0.00–0.10]

0.11
[0.08–0.21]

0.10
[0.00–0.20]

0
[0.00–0.14]

0.96
[0.78–1.00]

NO3-
(µg/g)

0.94
[0.91–0.98]

0.49
[0.06–0.95]

0.42
[0.02–0.92]

1.59
[1.16–2.06]

3.25
[2.80–3.71]

1.93
[1.45–2.36]

1.29
[1.13–1.60]