Investigation o uneven-aged beech orest (Semi selection cutting) to get ideal regeneration in the beech stands. (Golestan Province).
2010
Mohajer, Nasser | Mirkazemi, Sayyid Zaidollah
Achievement to ideal regeneration in natural stand and also continues and optimum production o orest with correct uneven age grain that realize intensity and cutting cycle in an arrangement o time and place at the irst stage duration o plan perormance were not carried out because o predicted agus orientalis un seed year low term o time primary cutting in this report acquired result rom qualitative and quantitative stand is presented in order to perormance o this plan plat hectare was selected in agues natural stands o Vatan management plan in height m results o this investigation in dicated that base species mixture stand type o agues orientalis– carpinus betulus unaccommodating conclusion are as ollows stand type structure regular irregular number in hectare is basal area / (m²) square meter in hectare average coeicient height and coeicient density Rinke density coeicient ٩/ and ٩٪ respectively dominate stand height /٩ and volume in hectare and trunk height average١/ m and crown height average/٩ and crown diameter average / m total number o seedling in hectare ٧ and ٩/ percentage o trees trunk with out deect and /٧ percentage contain deect / percentage crown trees proportion and concurrent and /٧ percentage un current . Key words: Silviculture, agus, qualitative and quantitative stand.
Показать больше [+] Меньше [-]