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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