摘要
对钦州湾的红树林资源进行实地踏查后,选取中盐区光滩(CK1)和4个红树林类型、高盐区光滩(CK2)和2个红树林类型的土壤进行调查研究,测定土壤理化性状和养分等10个因子,并计算土壤肥力指数。结果表明:①不同类型的红树林土壤因子不同,只有高盐区3个样地的土壤pH值和容重没有显著差异,其他类型的各指标均存在显著差异;②与光滩相比,红树林能改变其生长的土壤理化性状,加重土壤盐渍化和酸化,有利于重金属的沉积,同时,也增加土壤有机质和养分含量,提高土壤肥力。
A survey on soil properties were conducted Qinzhou Bay.Soil samples were taken from 4 mangrove forest types and 1 bare beach as control（CK1） with moderate salinity,and 2 mangrove forest types and 1 bare beach（CK2） with high salinity.Ten physical,chemical and nutritional properties of the soil samples were measured,and the fertility index（FI） was calculated.The results showed that：1） Different mangrove types had different effects on soil properties,no significant differences were found among the 3 soil samples with high salinity in soil PH and volume weight,and significant differences were found among the other soil properties.2） Compared to the bare beach,the mangrove forests caused changes to the physical and chemical properties of the soils,accelerated soil salinization and acidification which are favorable for sedimentation of heavy metals,meanwhile,the mangrove forests also increased the contents of organic matter and nutrients in the soil,improving soil fertility.
出处
《湿地科学与管理》
2011年第3期45-48,共4页
Wetland Science & Management
基金
国家科技支撑计划项目专题"北部湾等沿海困难滩涂红树林带构建技术研究与示范("2009BADB2B04-02)
广西科技厅业务专项"钦州湾不同立地类型红树林生长评价"(林科201104号)
关键词
红树林
类型
土壤因子
钦州湾
Mangrove
Types
Soil properties
Qinzhou Bay
