The Characteristics of Forest Floor Nutrients and Soil Fertility Assessment for Deciduous Broad-Leaved Forest with Different Site Conditions

doi:10.7525/j.issn.1673-5102.2016.06.011

Abstract

Abstract: Deciduous broad-leaved forest is one of the vegetation types in the northern hemisphere, however, warm temperate deciduous broad-leaved forest is the most typical in North China. Our objective was to better study the characteristics of forest floor nutrient and soil fertility quality in deciduous broad-leaved forest of north warm temperate. We carried out plant census, and compared forest floor nutrient and soil physicochemical properties in shady slope plot, ridge plot, and sunny slope plot in Baxian Mountain National Nature Reserve. The results showed individuals was most in sunny slope plot and least in ridge plot, and species richness was most in sunny slope plot and least in shady slope plot. Standing tree volume was highest in ridge plot, and lowest in the shady plot. The amount of forest floor accumulation was significantly higher in sunny slope plot than in ridge plot and shady slope plot. In three plots, soil C and N content were lowest and forest floor C and N content were highest in sunny slope plot. The content of mineral elements:sunny slope plot > ridge plot > shady slope plot. This is the reason that The integrated soil fertility assessment scores for ridge plot, shady slope plot, and sunny slope plot were, in a descending order, 0.350, 0.091, -0.491, through factor analysis.

Key words: deciduous broad-leaved forest, sites condition, forest floor nutrients, soil fertility assessment

CLC Number:

S158

CHEN Guo-Ping, ZU Li-Hong, GAO Zhang-Ying, ZHOU Mei-Li, QIAO Yan-Yun, ZHAO Tie-Jian, FENG Xiao-Mei, SHI Fu-Chen. The Characteristics of Forest Floor Nutrients and Soil Fertility Assessment for Deciduous Broad-Leaved Forest with Different Site Conditions[J]. Bulletin of Botanical Research, 2016, 36(6): 878-885.

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