Estimating tree bole volume using artificial neural network models for four species in Turkey

…, MJ Diamantopoulou, JR Brooks, HV Wiant Jr - Journal of environmental …, 2010 - Elsevier
Tree bole volumes of 89 Scots pine (Pinus sylvestris L.), 96 Brutian pine (Pinus brutia Ten.),
107 Cilicica fir (Abies cilicica Carr.) and 67 Cedar of Lebanon (Cedrus libani A. Rich.) trees …

Centroid sampling: A variant of importance sampling for estimating the volume of sample trees of radiata pine

GB Wood, HV Wiant Jr, RJ Loy, JA Miles - Forest Ecology and Management, 1990 - Elsevier
… favourably with estimates derived by Wiant et al. (1989) some … earlier for importance
sampling (+ 5.3%; Wiant et al., 1989), … We thank Jeanne Wiant for clerical assistance in both the …

Has the contribution of litter decay to forest" soil respiration" been overestimated?

HV Wiant - Journal of Forestry, 1967 - academic.oup.com
Has the Contribution of Litter Decay to Forest "Soil Respiration" Been Overestimated? Page 1
Bole Sprouts Varied After four years, only one of the sawtimber trees had new sprouts on the …

Estimating breast height diameter and volume from stump diameter for three economically important species in Turkey

…, MJ Diamantopoulou, HV Wiant Jr - … Journal of Forest …, 2010 - Taylor & Francis
Predicting volume directly from stump dimensions is useful in many situations, such as timber
trespass. In the present study, equations for predicting diameter at breast height (dbh) and …

Ecoregion-based local volume equations for Appalachian hardwoods

JR Brooks, HV Wiant Jr - Northern Journal of Applied Forestry, 2008 - academic.oup.com
Local merchantable board foot, cubic foot, and weight equations are developed for six
economically important hardwood species in central Appalachia. Equations were based on a …

Accuracy using xylometry of log volume estimates for two tree species in Turkey

R Özçelik, HV Wiant Jr, JR Brooks - Scandinavian Journal of Forest …, 2008 - Taylor & Francis
Water displacement (xylometry) was used to determine true volumes of 28 logs from Cilicica
fir (Abies cilicica Carr.) and Brutian pine (Pinus brutia Ten.) trees ranging from 15 to 52 cm …

Comparative study of standard and modern methods for estimating tree bole volume of three species in Turkey

…, MJ Diamantopoulou, HV Wiant Jr… - Forest products …, 2008 - search.proquest.com
Tree bole volumes of 107 Cilicica fir (Abies cilicica Carr.) trees, 96 Brutian pine (Pinus brutia
Ten.) trees, and 67 Cedar of Lebanon (Cedrus libani A. Rich.) trees were estimated using …

Optimum plot size and BAF

CW Gambill, HV Wiant Jr, DO Yandle - Forest science, 1985 - academic.oup.com
… This study extends the model used by Zeide and Wiant and Yandle for optimization of
fixed-plot size and adapts the model for use with point sampling. … Board-foot volumes (Int.-'/4 …

Comparison of three modern methods for estimating volume of sample trees using one or two diameter measurements

HV Wiant Jr, GB Wood, M Williams - Forest ecology and management, 1996 - Elsevier
Seven variations of the centroid, importance and control-variate methods for estimating bole
volume were compared using four sample tree data sets, viz. Pinus ponderosa (186 trees), P…

A key for the Forest Service hardwood tree grades

GW Miller, LF Hanks, HV Wiant Jr - Northern Journal of Applied …, 1986 - academic.oup.com
A dichotomous key organizes the USDA Forest Service hardwood tree grade specifications
into a stepwise procedure for those learning to grade hardwood sawtimber. The key …