HIGHWOODS, COPSES, ETC. 
261 
perhaps be permissible to give the following as 
the average annual rates of increase in growth 
in cubic feet (reduced to the customary British 
‘ square-of-quarter-girth” measurement) yielded 
by ordinarily well-managed woodland crops 
throughout the Hanoverian forests :— 
General Quality of Soil and Situation for the given kind 
of Tree or form of Crop. 
Kind of Crop. 
Age of Age of Age of 
Crop. Good. Crop. | Moderate. | Crop. Poor. 
Years. Years. Years. 
7 Growth in Growth in Growth in 
Highwoods. cubic feet cubic feet cubic feet 
per annunt. per annum. per annum. 
Oak. . 160 | 45 to60 | 140 | goto45 | 120 | 30 to 40 
Beech . 140 | 50to65 | 120 | 43 to 49 90 | 30 to 43 
Spruce. 120 | 75to95 | 100 | 64 to 72 7o | 40to 57 
Scots Pine 120 | 48to75 | 100 | goto 48 60 | 21 to 39 
Copse. 
Oak standards, 
over coppice 
of mixture of 18 | 48 to 54 20 | 40 to 42 25 | 28 lo 36 
hardwoods 
and softwoods 
Coppices. 
Oak, with other 
hardwoods, 15 | 48 to 53 18 | about 4o 20 | 21 to 32 
hazel, &c. . 
Ald - 
hy rar 25 | 62to 79 30 | 48 to 54 35 | 24 to 38 
Say, for example, that a Scots pine wood 
which has long been growing actively begins 
about seventy years of age to show signs of 
