20 TEEMS USED IX FOEESTEY AXD LOGGING. 



Second growth. Forest growth which comes up naturally after cutting, fire, or 



other disturbing cause. See First growth. 

 Section analysis. See Tree analysis. 



Seedbed, n. A specially prepared area, usually in the forest nursery, for the rais- 

 ing of seedlings. 



G., Saatbeet. F., couche de semis. 

 Seed cnttinffs. See Stand method. 

 Seed forest. A forest composed wholly or mainly of trees grown from seed. 



Syn.: high forest. G., Hochwald, Samenwald. F.. futaie, haute futaie. 

 Seeding stage. See Stand method. 

 Seedling, n. 1. A tree grown from seed. 



G., Kernwuchs. F., brin de semence. 



2. A tree grown from seed which has not reached a height of 3 feet. See Tree 

 class. 



G., Siimling, Keimling. F., jeune brin. 



Seed spot. A small area, usually in a burn or in an opening in the forest, which is 

 sown with tree seed. 



Seed system. One of the three great systems of forest management. Under it 

 reproduction is obtained from seed. See Forest management. 



Syn.: high or seedling forest system. G.. Hochwaldbetrieb, Samenholzbetrieb. 

 F., regime de la futaie. 



Seed tree. n. Any tree which bears seed: specifically, a tree which provides the 

 seed for natural reproduction. 



Syn.: mother tree. G., Mutterbaum, Samenbaum. F.. porte-graine. semencier. 



Seed year. A year in which a given species of tree bears seed: specifically, a year 

 in which a given species bears seed abundantly. 

 G., Samenjahr. F.. annee de semence. 



Selection forest. See Many-aged forest. 



Selection method or system. See Single tree method. 



Self-sown seed. Strictly, disseminated without the intervention of human or ani- 

 mal agency: in common practice, seed sown by any agency other than man. 



Semimatnre forest. Forest in which rapid groAvth in height has culminated, but 

 diameter growth has not begun to fall off. 



Severance cnttina:. The cutting of all trees upon a narrow strip before natural 

 pruning has far advanced, in order that the trees bordering this strip may, as the 

 result of partial exposure, become wind-firm through the development of strong 

 roots. Thus severance cuttings are made to strengthen the trees on the edge of a 

 stand which will later be entirely exposed through the removal of the stand which 

 now protects it. 



G., Loshieb. F., essartement de protection. 



Shade-hearinff, a. See Tolerant. 



Shade-endnring, a. See Tolerant. 



Shade frame. A frame for the partial. shading of a seedbed. It consists of a cover 

 of laths, brush, or cloth, supported on posts an^ arranged so that light can be 

 admitted as desired. 



Syn. : light screen, screen. 



Shaft, n. See Stem. 



