CAJ | 학술논문

生物多样性与生境因子、林分自身因子、经营措施之间的动态变化规律研究,是开展森林经营的重要基础.通过典型样地调查,运用ForStat 2.0统计方法,对燕山山地木兰林管局华北落叶松人工林生物多样性与生境因子、林分因子、经营措施之间相关系数,以及生物多样性各指数随林龄、郁闭度的变化趋势进行系统分析.研究表明:海拔、坡度、坡向、坡位、林龄、密度、郁闭度、混交比是影响该地区物种多样性的重要因子.生物多样性指数随林龄、郁闭度的变化趋势基本符合偏正态分布.据此认为森林经营管理过程中,通过及时调整林分密度,将有利于生物多样性保护,从而提高森林生态系统稳定性.
생물다양성여생경인자、림분자신인자、경영조시지간적동태변화규률연구,시개전삼림경영적중요기출.통과전형양지조사,운용ForStat 2.0통계방법,대연산산지목란림관국화북락협송인공림생물다양성여생경인자、림분인자、경영조시지간상관계수,이급생물다양성각지수수림령、욱폐도적변화추세진행계통분석.연구표명:해발、파도、파향、파위、림령、밀도、욱폐도、혼교비시영향해지구물충다양성적중요인자.생물다양성지수수림령、욱폐도적변화추세기본부합편정태분포.거차인위삼림경영관리과정중,통과급시조정림분밀도,장유리우생물다양성보호,종이제고삼림생태계통은정성.
It is important for developing forest management to study the dynamic change law between biodiversity and factors of habitat,forest stand and management measures.After typical sample investigation,this paper analyzed the correlation coefficients between biodiversity and factors of habitat, forest stand and operational plan, as well as the change tendency of biodiversity indexes based on stand age and canopy density of planted Larix principis - rupprechtii forest in Mulan- weichang Foresty Administration by using statistical method of ForStat 2.0. It indicated that the important factors to influence region biodiversity were altitude, slope, exposure,location, stand age, density, canopy density and mixed proportion. Change tendency of biodiversity indexes based on stand age and canopy density tallied with bias normal distribution. So it was propitious to protect biodiversity and improve stability of forest ecosystem by adjusting forest stand density in time in the course of forest management.