摘要
粤东海岸东起闽粤交界的大埕湾,西迄深圳市的大鹏湾,岸线曲折,港湾较多,河溪人海泥沙在潮间带及紧邻5m 等深线以内形成大片海涂,土壤类型多样,以泥质和沙泥质土壤为主;除河口湾的土壤含盐量低外,其余较高;土壤有机质含量中等,钾素较丰富,磷素较低。因地处亚热带南缘,光、热和水资源条件较好,且多数海湾有深入内地的小海湾和潮沟,甚适合发展海水养殖与晒盐,韩江口的义丰河和海门龟头海大闸外等滩地尚有围垦价值。多处海湾潮滩沙土适合作海滨浴场,也有小片滩地红树林适合旅游观赏。
The coastline of east Guangdong is 1,223km long and beach soil in 0-5m bathymetric line covers 93,953ha.The muddy and sandy loam tidal flat soils contain medium level of organic matter and very high potassium,lower phosphorus.The resources of light and heat are rich because it is at the southern margin of subtropics.Alarge portion of bays have many tidal inlets and it is very suitable for marine cultivation and to evaporate brine in the sun to make salt,small for inning in the Hangjiang river mouth and tour in the Daya Bay.
出处
《云南地理环境研究》
1990年第1期72-81,共10页
Yunnan Geographic Environment Research
关键词
粤东海洋
海涂土壤
利用
East Guangdong
Beach soil
Utilization
