APPENDIX 



A DIAGRAM FOR THE CORRELATION OF METHODS IN 

 FOREST MENSURATION 



(Explanation) 



The accompanying diagram will show with reference to the character of the 

 stand (forest description) the data required and the method of computation for 

 practically all problems in growth studies. It also serves to correlate and illus- 

 trate the relationship between the various different individual problems. 



To use the diagram begin at the center and follow an imaginary radius line 

 straight from the center through the sections that will indicate the character and 

 previous treatment of the stand (forest descrii)tion) to Data Required; read the 

 data indicated opposite diameter, height, volume or yield as required; continue 

 the same radius into the circle marked Computations and read as indicated for 

 the type of study. 



E.xample* Desired a volume growth tal)lc for Even-aged, Pure Stands, 

 Regularly Thinned: 



Begin at center — Follow a radius that cuts the even-aged sector, the pure- 

 stand sector, and the regularly-thinned sector to "data required." In this circle 

 we have indicated opposite "Vol." the data required for this study. Continue 

 this same radius to the circle marked "Computations," the methods of working 

 up the data, as indicated opposite "Vol." 



BIBLIOGRAPHY 



The Following lu /."rencefi arc Confined Entirely to American Works and Periodicals 



PRELIMINARY MEASUREMENTS 



1. Biltmore Pachymeter. Ralph G. Burton, Forestry Quarterly, Vol. IV, No. 1, p. 9. 



2. Biltmore Stick. A. G. Jackson, Forestry Quarterly, Vol. IX, No. 3, p. 406. 



3. Notes on the Biltmore Stick. Donald Bruce, Proceedings of the Society of American 



Fcfresters, Vol. IX, No. 1, p. 46. 



4. A New Ilypsometer. H. D. Tieman, Forestry Quarterly, Vol. II, No. 3, p. 145. 



5. Relative Accuracy of Calipers and Diameter Tape. N. VV. Scherer, Proceedings of«the 



Society of American Foresters, Vol. IX, No. 1, p. 102. 

 o. A New Measuring Instrument (For Heights and Diameters). H. W. Siggins, Forestry 

 Quarterly, Vol. XII, No. 2, p. 141. 



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