Concentrations and Correlation of Eight Important Elements in the Annual Rings of Pinus massoniana in Dinghushan,Guangdong

Abstract

Abstract: The concentrations of the elements in the annual rings of Pinus massoniana reflect the influence of both regional factors and species characteristics in absorbing,accumulating and distributing elements.The changes of environmental factors may result in concentration changes of elements in tree rings.Therefore,variations of tree ring element concentration may provide some clue in studying environmental changes.Some of eight elements studied are strongly correlated with others,the reason of which might be their similar structural and enzymatic functions in the plant cell,similar chemical properties and similar or opposite reaction to variations in some environment factors.

Key words: soil respiration rate, fertilization, environmental factor, Stipa breviflora desert steppe.

CLC Number:

S718.51

Hou Aimin, Peng Shaolin, Zhou Guoyi. Concentrations and Correlation of Eight Important Elements in the Annual Rings of Pinus massoniana in Dinghushan,Guangdong[J]. cje, 2002, (1): 6-9.

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