CAJ | 학술논문

以重庆市四面山4种森林群落为研究对象,选取林冠截留率、林地土壤毛管孔隙度、林地土壤非毛管孔隙度和林地0～20 cm土壤抗冲刷系数为分析指标,运用灰色关联度法对4种森林群落的面源污染控制功能进行研究.结果表明:在4种森林群落中作为天然林的楠竹林灰关联度值最大为0.887 7,面源污染控制功能最好,其次是人工阔叶林(0.7794)和人工混交林(0.6992),人工针叶林(0.636 1)面源污染防控能力相对较弱.在人工林方面,阔叶林灰关联度值最大为0.7794,面源污染防控能力最好,其次是针阔混交林(0.699 2),针叶林灰关联度值最低为0.636 1,其面源污染防控能力较弱.
이중경시사면산4충삼림군락위연구대상,선취림관절류솔、임지토양모관공극도、임지토양비모관공극도화임지0～20 cm토양항충쇄계수위분석지표,운용회색관련도법대4충삼림군락적면원오염공제공능진행연구.결과표명:재4충삼림군락중작위천연림적남죽림회관련도치최대위0.887 7,면원오염공제공능최호,기차시인공활협림(0.7794)화인공혼교림(0.6992),인공침협림(0.636 1)면원오염방공능력상대교약.재인공림방면,활협림회관련도치최대위0.7794,면원오염방공능력최호,기차시침활혼교림(0.699 2),침협림회관련도치최저위0.636 1,기면원오염방공능력교약.
Selecting canopy interception rate, capillary porosity,non-capillary porosity and soil anti-erosion coefficient as analysis indices, the function of non-point source pollution control of four forest communities in Simian Mountains of Chongqing were ana-lyzed by Grey Relational Grade Analiysis. The results show that the grey correlation degree of natural Phyllostachys pubescens for-est is 0.887 7, hgher than other three communities, which means that the function of non-point source pollution control of Phyl-lostachys pubescens forest is the best. In the planatations types, the grey correlation degree of broadleaf forest is the highest, 0.779 4, followed by mixed broadleaf-conifer forest (0.699 2). The grey correlation degree of coniferous forest is the lowest, 0.636 1. Which means it has the lowest function for non-point source pollution control.