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Table 2 Comparison between the generalized estimation procedure presented in this article and traditional stochastic frontier estimation for the same dataset (pure stands only)

From: A generalized self-thinning relationship for multi-species and mixed-size forests

Species

This article

Pretzsch and Biber (2005)

Stochastic frontier estimation

Generalized optimization in Eq 9

Intercept

Slope

Intercept

Slope

Intercept

Slope

Oak (Quercus sp.)

12.22

1.77

11.69

1.76

10.98

1.42

Beech (Fagus sylvatica)

11.78

1.60

12.17

1.86

12.36

1.79

Spruce (Picea sp.)

11.99

1.59

n.a

1.85

12.5

1.66

  1. Previous results found on the same species by Pretzsch and Biber (2005) are indicated. See explanation in Section 4.1
  2. n.a not available
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Annals of Forest Science

ISSN: 1297-966X