摘要
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 p H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 。
The comparison was conducted for soil chemical properties at the main succession stages of mangrove communities in Yingluo Bay of Guangxi. As succession proceeded, the total N, total P, hydrolytic N, available P, total salt, total S, water soluble S and exchangeable acid increased distinctly. There was similar increase on the content of soil organic matter, humic acid(HA) and fulvic acid(FA),but soil pH value was in contrast. The results suggested that the soil nutrient content could increased with the progress of succession of mangrove, but the soil chemical property exhibited increase in both gradual and jumping, owing to the difference of community type, especially the difference of dominant species. The variation of soil chemical properties also influenced the adaptation of mangroves to the environment, and provided favorable prerequisites for progressive succession of mangrove.
出处
《广西科学》
CAS
2001年第2期148-151,160,共5页
Guangxi Sciences
基金
国家"九五"科技攻关专题!(编号 :96 0 0 70 40 6 )的部分内容
关键词
红树植物群落
进展演替
土壤化学性质
mangrove, community, progressive succession, soil chemical property
