Accumulation and cycling of Ca and Mg in Castanopsis eyrei community in Wuyishan Mountains

Abstract

Abstract: Studies on a 51 years old Castanopsis eyrei community in Wuyishan Mountains show that the standing had a storage of 1029.96kg·hm^-2 Ca and 231.34kg·hm^-2 Mg, 801.40kg·hm^-2 Ca and 159.68kg·hm^-2 Mg in aboveground part, and 228.56kg·hm^-2 Ca and 71.66kg·hm^-2 Mg in underground part.The annual uptake was 63.17kg·hm^-2 Ca and 18.68kg·hm^-2 Mg, annual retention was 31.77kg·hm^-2 Ca and 11.41kg·hm^-2 Mg, and annual return was 31.40 kg·hm^-2 Ca and 7.27kg·hm^-2 Mg.The enrichment ratios of Ca and Mg were 1.66 and 2.14, respectively.

Key words: Castanopsis eyrei community, Accumulation of Ca and Mg, Biological cycling, developmental duration, Assara inouei Yamanaka, fecundity, pomegranate variety, life table parameter, survival rate

Li Zhenji, Lin Yiming, Yang Zhiwei, Lin Peng . Accumulation and cycling of Ca and Mg in Castanopsis eyrei community in Wuyishan Mountains[J]. Chinese Journal of Applied Ecology, 1998, 9(6): 592-596.

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Accumulation and cycling of Ca and Mg in Castanopsis eyrei community in Wuyishan Mountains

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