Ecological Archives A025-109-A3

Geoffrey A. Fricker, Jeffrey A. Wolf, Sassan S. Saatchi, and Thomas W. Gillespie. 2015. Predicting spatial variations of tree species richness in tropical forests from high-resolution remote sensing. Ecological Applications 25:1776–1789. http://dx.doi.org/10.1890/14-1593.1

Appendix C. A table showing Pearsons’s R, adjusted R-squared and p values for the Ordinary Least Squares regression models for tree species richness.

Table C1. Pearsons’s R, adjusted R-squared and p values for the Ordinary Least Squares regression models for tree species richness 1 – 10 cm, > 10 cm, > 20 cm dbh.

DBH 1-10 cm

DBH >10 cm

DBH > 20 cm

R

R-squared

p

R

R-squared

p

R

R-squared

p

Stems

0.423

0.162

0.0022

-0.137

-0.002

0.3427

-0.048

-0.018

0.7407

Basal area

0.303

0.073

0.0322

-0.566

0.306

0.0000

-0.154

0.003

0.2863

Canopy height

-0.367

0.117

0.0087

-0.439

0.176

0.0014

-0.075

-0.015

0.6058

Canopy height sd*

0.455

0.191

0.0009

0.022

-0.020

0.8805

0.168

0.008

0.2436

Image texture

0.165

0.007

0.2516

0.220

0.029

0.1244

0.021

-0.020

0.8828

EVI

0.150

0.002

0.2990

0.094

-0.012

0.5167

0.041

-0.019

0.7749

EVI sd*

0.316

0.081

0.0254

0.275

0.056

0.0536

0.160

0.005

0.2683

NDVI

0.159

0.005

0.2699

0.201

0.020

0.1626

0.145

0.001

0.3134

NDVI sd

-0.155

0.004

0.2824

-0.230

0.033

0.1075

-0.160

0.005

0.2676

RVI

0.337

0.095

0.0167

0.306

0.075

0.0305

0.073

-0.015

0.6126

RVI sd

0.279

0.059

0.0494

0.149

0.002

0.3013

0.099

-0.011

0.4937

PC 1 sd

0.371

0.120

0.0080

0.325

0.087

0.0214

0.161

0.006

0.2648

Aspect

0.140

-0.001

0.3333

0.163

0.006

0.2578

-0.148

0.002

0.3039

Aspect sd

0.107

-0.009

0.4607

-0.023

-0.020

0.8754

-0.077

-0.015

0.5962

Curvature*

-0.325

0.087

0.0212

-0.112

-0.008

0.4405

-0.077

-0.015

0.5953

Curvature sd

0.405

0.147

0.0035

0.162

0.006

0.2608

0.219

0.028

0.1263

TWI

-0.140

-0.001

0.3322

-0.120

-0.006

0.4080

-0.163

0.006

0.2594

TWI sd*

0.417

0.157

0.0026

0.117

-0.007

0.4166

0.120

-0.006

0.4078

Slope

0.192

0.017

0.1822

0.118

-0.007

0.4148

0.157

0.004

0.2777

Slope sd

0.289

0.065

0.0416

0.095

-0.012

0.5100

0.196

0.018

0.1735

Bold = p values less than 0.05


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