136 Forestry Quarterly 



We give the data in translation for I and III site, as suggestive 

 to our experimenters. 



COMPARISON OF YIELDS UNDER DIFFERENT TREATMENT 



Average Average Average Volume Total 



Number Diameter Height Volume Average Thin- Total 



of j S t a n d Tree nings Yield 



Trees Inches Feet Cu. Ft. Cubic Feet 



SITE I 



1. Oak. 160 years, in open management (Wimmenauer). 



29 25 123 6221 211 9853 16073 



2 Oak 160 years, under moderate thinning in subdominate (Wimmenauer). 



56 24 117 10382 176 5935 16316 



3 Oak. 160 years, under regular thinning in practice (Schwappach) . 



51 23 105 7965 158 8709 16674 



4. Pine. 140 years, in open management (Wimmenauer). 



40 33 116 6163 140 11111 17274 



5. Pine, 140 years, under moderate thinning (Vorkampflf-Lorey) . 



12 18 116 10210 70 6449 16660 



6 Pine. 140 years, under severe thinning (Schwappach). 



90 17 104 6549 70 7450 14000 



7 Pine 140 years, under moderate thinning in subdominant (Schwappach). 



' 126 17 109 8952 70 5005 13957 



8 Beech. 140 years, under severe opening in dominant (Wimmenauer). 



56 20 127 8180 140 10811 18990 



9 Beech 140 years, moderate thinning in subdominant (Wimmenauer). 



81 20 127 11326 140 6764 18090 



10 Beech. 140 years, moderate thinning in subdominant (Eberhard). 



138 16 113 70 5806 16245 



1 1 Beech. 140 years, moderate and severe thinning in subdominant (Wimmer) . 



10124 . . . 8566 18690 



12. Beech, 140 years, moderate and severe thinning in subdominant (Schwap- 



^^^/.. ..■ 125 9081 ... 6406 15487 



13 Beech. 140 years, moderate and severe thinning in subdominant (Grundner) 



91 19 121 10625 105 6635 17260 



14 Fir. 120 years, moderate thinning in subdominant (Lorey). 



174 19 110 16159 88 6793 22952 



15 Fir 120 years, moderate and severe thinning in subdominant (Eichhorn). 



' 162 18 112 15315 88 9166 21622 



16 Soruce. 120 years, severe and open thinning in dominant (Schwappach). 



115 18 118 10711 88 11440 22151 



17 Soruce, 120 years, moderate thinning in subdominant (Schwappach). 



190 17 113 14440 70 8037 22437 



18. Soruce, 120 years, severe and open thinning (Grundner). 



114 19 120 12184 105 11340 23524 



19 Soruce. 120 years, moderate thinning in subdominant (Lorey). 



^ 206 17 117 15987 70 6221 22208 



