Most manufacturers exploit the timber supply.
In the post-Civil War era, the local timber supply began running short.
As the timber supply diminished, the economy diversified, eventually including metal and leather products, furniture, processed foods, and textiles.
Denman said as soon as the TFA was enacted "the taps were turned off" on specialty timber supply.
The spruce and other fast-growing conifers make up a third of England's woodlands, planted with government money since 1919 to ensure a timber supply during wartime.
But one picture of the transformation can be gleaned from periodic estimates by the Forest Service, which tries to gauge the nation's timber supply.
Matt Sexter, director of corporate and social responsibility at B&Q, said: "Prince Charles told me that 20 years ago he met our chief executive and challenged him to make our timber supply chain more sustainable.
Waldentwicklungs- und Holzaufkommensmodellierung (German national assessment of timber supply).
Economically optimal intensive fertilization increased timber supply by 20%.
This information is important to assess management options and future timber supply.
China's early inventory efforts, like those throughout the world at the time, focused on the timber supply.
