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Soil Chemical Properties at Succession Stages of Mangrove Communities in Yingluo Bay of Guangxi
Author(s): HE Bin, WEN Yuanguang, LIU Shirong
Pages: 148-
151,160
Year: 2001
Issue:
2
Journal: GUANGXI SCIENCES
Keyword: 红树植物; 群落; 进展演替; 土壤化学性质;
Abstract: 对广西英罗港红树植物群落主要演替阶段土壤化学性质进行比较分析.结果表明,随着进展演替,土壤全氮、全磷、碱解氮、有效磷、盐分、全硫、水溶性硫含量和交换性酸度均呈明显增长趋势,土壤有机质及富里酸(FA)和胡敏酸(HA)含量也有相同规律,土壤pH值则呈现相反的趋势.由此可见,红树植物群落的进展演替能增加土壤的养分含量,同时由于群落类型,特别是建群种的不同,土壤化学性状的变化呈现逐渐性和跳跃性的变化特征,而土壤化学性状的变化影响着红树植物对环境的适应,并为红树植物的进展演替提供了先决条件.
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