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Table 1 Coefficients of the fitted models for diameter increment, survival, and recruitment for each species group

From: Predicting the dynamics of a native Araucaria forest using a distance-independent individual tree-growth model

Sub-model

Variable

Species group

1 (n = 3428)

2 (n = 17421)

3 (n = 7175)

4 (n = 3777)

5 (n = 717)

6 (n = 4504)

Δd

β 0

−1.3612**

−1.0942**

−1.1720**

−0.9004**

−2.0994*

−1.6610**

DBH

−0.0349*

−0.0128**

−0.0140**

−0.0058**

−0.0241

−0.0162**

ln DBH

0.6303**

0.3183**

0.3927**

0.3132**

0.7665

0.6934**

BAL

−0.0249**

−0.0137**

−0.0230**

−0.0215*

−0.0208a

−0.0404**

G

−0.0239**

−0.0215**

−0.0212**

−0.0239**

−0.0092

−0.0242**

p

β 0

8.0148**

12.9567**

4.9827**

1.9897*

−7.4890*

4.0419**

DBH

−0.1018**

 

−0.0314**

 

−0.2569**

0.0597*

DBH0.5

 

−1.3177**

 

0.4638*

  

DBH2

   

−0.0004*

 

−0.0004*

DBH−1

 

−39.9112**

    

ln DBH

    

5.2228**

 

BAL

−0.2225*

−0.2755**

−0.2145**

   

G

−0.0629

     

N recruit

β 0

1.0602**

1.0212*

0.3648

0.1235

0.2594

0.1941

G g

1.1478**

0.3098*

0.1133**

0.1382**

1.7941

0.0589**

G g 2

−0.2132

−0.0174

  

−1.1528

 

G

  

−0.0034

−0.0071

 

−0.0180

  1. 1, understory; 2, subcanopy; 3, upper canopy shade-tolerant; 4, upper canopy light-demanding; 5, pioneer; 6, emergent
  2. Δd diameter increment, p probability of survival for 3 years, N recruit number of recruitments, n number of observations used for the diameter increment fittings, β 0 , estimated parameter, BAL basal area of larger trees, DBH diameter at breast height, G stand basal area, G g basal area for group g
  3. aNatural logarithm (ln) applied
  4. *p ≤ 0.05, **p ≤ 0.01