Eco-environment and nutrient accumulation of sharptooth oak stands in southern slope of Mt. Qinling

Abstract

Abstract: Based on the date from chemical analysis of 10785 botanical and 1489 edaphic samples,the amount of nutrients accumulated in soil layer (0～60 cm) of sharptooth oak stands,the total biomass of the stands and their contents of accumulated nutrients,and the amount of litter and its contents of accumulated nutrients in southern slope of Mt.Qinling were calculated.To a certain extent,the biomass and the nutrient accumulation of the stands were increased with stand densities and stand ages from thin to high or from young to old,similar to the utilization efficiency of the stands to soil nutrient elements and the trunk canopy ratio.The tree composition of the stands much more influenced nutrient accumulation contents than the biomass.The more broad leaved tree of species composition, the higher nutrient accumulation contents of stands.In the same region biomass and its nutrient contents of the stands with similar site factors and stand factors had not remarkably difference among different forest types,but had a difference among various forest types and species composition.In different region,biomass and its nutrient contents of the stands with similar site factors and stand factors had a difference with the sequence of south slope>north slope,middle section>east section or west section.The utilization efficiency of soil nutrient elements by the stands was decreased from lower to higher elevation,from the south to north slope,from middle to east and west section.

CLC Number:

S718.5

LIU Guangquan, NI Wenjin, LIU Huifang, G. Gravenhorst . Eco-environment and nutrient accumulation of sharptooth oak stands in southern slope of Mt. Qinling[J]. Chinese Journal of Applied Ecology, 2002, (5): 513-518.

References

[1] Binkley D.1987.Forest Nutrition Management.New York:John Wiley and Sons.1～174
[2] Bormann FH.1979.Patterns in A Forested Ecosystem(Ecological Studies 8).New York:Springer-Verlag.1～253
[3] Charles J.1992.EcologyThe Experimental Analysis of Distribution and Abundance.Third Edition.Harper Collins Publishers.668～702
[4] Cole DW.1986.Nutrient Cycling in World Forests.Forest Site and Productivity.Martinus Nijhoff Publishers.103～115
[5] Dang K-L(党坤良).1994.A study on properties of soil water-runoff for different woodland in Huoditang forest region of Mt.Qinling.Long-term Research of Chinese Forest Ecosystem.Harbin:North-east Forestry University Press.252～260(in Chinese)
[6] Davis GW,Richardson DM eds.1995.Mediterranean-type Ecosystems,The Function of Biodiversity (Ecological Studies 109).Berlin,Heideberg:Springer-Verlag.1～366
[7] Gao J-R(高甲荣).1987.A study on nutrient bio-cycling for artificial Chinese pine stands in Huoditang forest region of Mt.Qinling.J Northwest For Coll(西北林学院学报),(1):35～42(in Chinese)
[8] Lei R-D(雷瑞德),Dang K-L(党坤良),Shang L-B(尚廉兵).1994.A study on forest hydrologic effect in Qinling forest region.In:Long-term Research of Chinese Forest Ecosystem.Harbin:North-east Forestry University Press.223～234(in Chinese)
[9] Lei R-D(雷瑞德),Tang Z(唐臻).1994.Influence on hydrologic function of the sharp-tooth oak stands from human being activities.In:Long-term Research of Chinese Forest Ecosystem.Harbin:North-east Forestry University Press.235～244(in Chinese)
[10] Lei R-D(雷瑞德),Wang J-R(王建让),Xie Y-Z(谢应忠).1985.A primary study on water conservation for woodland in the southern slope of Mt.Qinling.Shaanxi For Sci Tech(陕西林业科技),(5):20～32(in Chinese)
[11] Tang Z(唐臻).1992.Relationship between water-holding of crown canopy and atmospheric precipitation of the sharp-tooth oak stands.J Northwest For Coll (西北林学院学报),8(4):8～13(in Chinese)
[12] The Compiled Commission of Chinese Vegetation eds.1983.Chinese Vegetation.Beijing:Science Press.(in Chinese)
[13] Wang J-R(王建让).1984.Measurement on litter layers of different forest-types and its meaning to water conservation in Huoditang forest region of Mt.Qinling.J Northwest For Coll(西北林学院学报),(1):35～42(in Chinese)
[14] Wei X-H(魏晓华),Zhou X-F(周晓峰).1991.Nutrient Cycling of Mongolia Oak Stands Ecosystem.In:Long-term Research of Chinese Forest Ecosystem.Harbin:North-east Forestry University Press.118～133 (in Chinese)
[15] Yang M-S(杨茂生),Li G-C(李广潮),Chen D-S(陈东升),et al.1994.Forest classification and main-cutting regeneration in Mt.Qinling.Xian:Shanxi Science and Technology Press.46～52(in Chinese)
[16] Yang M-S(杨茂生),Tang Z(唐臻).1991.Some characteristics of function on water conservation of the sharp-tooth oak stands in Xingjiashan forest region of Mt.Qinling.J Northwest For Coll(西北林学院学报),7(1):1～7(in Chinese)
[17] Zhu Z-C(朱志诚).1983.A primary study on the sharp-tooth oak stands in Mt.Qinling.Northwest Bot Res(西北植物研究),3(2):122～132 (in Chinese)