华南人工林凋落物养分及其转移

应用生态学报 ›› 2000, Vol. ›› Issue (3): 321-326.

• 研究论文 • 下一篇

华南人工林凋落物养分及其转移

李志安¹, 林永标¹, 彭少麟²

1. 中国科学院华南植物研究所, 广州510650;
2. 中国科学院广州分院, 广州510070

收稿日期:1999-05-18 修回日期:1999-08-16 出版日期:2000-05-25
通讯作者: 彭少麟
基金资助:
国家自然科学基金重大项目(39899370);中国科学院重大项目(KZ951-B1-110);中国科学院生态网络重大项目;中国科学院鹤山开放站基金资助项目

Nutrient content in litterfall and its translocation in plantation forests in south China

LI Zhian¹, LIN Yongbiao¹, PENG Shaolin²

1. South China Institute of Botany, Chinese Academy of Sciences, Guangzhou 510650;
2. Guangzhou Branch, Chinese Academy of Sciences, Guangzhou 510070

Received:1999-05-18 Revised:1999-08-16 Online:2000-05-25

摘要/Abstract

摘要： 对华南5种人工林凋落物量、凋落物养分及绿叶养分含量的测定结果表明,各种人工林凋落物量大小依次为:马占相思(11.1t·hm^-2)>湿地松(7.3t·hm^-2)>荷木(6.5t·hm^-2)>大叶相思(4.8t·hm^-2)>柠檬桉(2.6t·hm^-2).马占相思通过落叶回归土壤的养分量高于其它类型.5种人工林均通过养分转移机制,大量从枯老叶中转移N、P、K养分,其中马占相思转移的养分量最大,营养转移的季节性差别较大.各种人工林对其它元素的转移现象不确定.

Abstract: The amounts of litterfall,nutrient content in it and leaves of five plantation forests in south China were determined.The order of litterfall biomass was in sequence of Acacia mangium (11.1t穐m^-2)> Pinus elliotii (7.3t穐m^-2)> Schima superba (6.5t穐m^-2)> Acacia auriculaiformis (4.8t穐m^-2)> Eucalyptus citriodora (2.6t穐m^-2). A.mangium returned soil much more nutrient to soil through litterfall than other forests did.N,P and K were largely translocated from senescing leaves for all the five forests, and especially for A.mangium.Nutrient translocated varied greatly with seasons.The translocation of other elements was not definite.

李志安, 林永标, 彭少麟. 华南人工林凋落物养分及其转移[J]. 应用生态学报, 2000, (3): 321-326.

LI Zhian, LIN Yongbiao, PENG Shaolin. Nutrient content in litterfall and its translocation in plantation forests in south China[J]. Chinese Journal of Applied Ecology, 2000, (3): 321-326.

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华南人工林凋落物养分及其转移

Nutrient content in litterfall and its translocation in plantation forests in south China

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