Capitolo 33
determined kind and combinations of kind. Where it introduces on the market and
installations of transport are extremely favorable, as in Europe, the
owner of lumber can adopt the method that will bring the best results,
but here he has anybody so of first quality. He is able but it keeps in mind certain
fundamental principles, uniformly applicable to the great areas for
considerable periods of time. However, roughly our Western forests
you/he/she can directly be classified by their adaptability to the two opposite
systems, known as clean cut and selection cutting of what
almost all methods are changes.
A forest of selection is one in which you/they exist every century of trees, from
youth plants to the maturity. It is the natural growth of kind that
it is tolerant of shade. In a natural state, unperturbed cutting,
very it continually maintains the same aspect, for as the more old man
trees die, their place is had by the more young people one. Evidently such
forest has to be composed of kind, if one or very, what
you/he/she can grow under of his/her his/her own shade. The understories of different age
it is dense as their light requisite and the density of the
overwoods allow.
The common hard wood forests some illustrious east a typist of
the natural forest of selection. On the slant Pacific an example is
him allowed by hemlock, or practically pure or mixed with white
fir, but probably the most typical is the Western yellow and to the agenda
languishes the certain conditions under. To his/her this tree composes better a
you forest so dense that every young growth is shaded out, but each
you/he/she is familiarized with the stand of frequent object that contains every century.
The youngest trees has called thick blackjack.
EQUAL-ELDERLY FORESTS
On the other hand the trees extremely intolerant of shade only happens
in that that forester's calls equal-elderly forests. Being incapable to beginning
in the obscurity of an existing stand of some considerable density,
they has to gather occasions to recover openings. The Douglas
fir of the Northwest, red or yellow fir and commonly called it is