Mangrove Soil Characteristics and growth of Replanted Rhizophora apiculata Bl. at Various Ecosystems in Indonesia

Munandar, Munandar and Sarno, Sarno and Suwignyo, Rujito Agus and Kadir, Sabaruddin and Akihiro, Nose (2011) Mangrove Soil Characteristics and growth of Replanted Rhizophora apiculata Bl. at Various Ecosystems in Indonesia. In: Proceeding of International Seminar on Climate Change: Environment Insight for Climate Change Mitigation". University of Solo, pp. 28-41. ISBN 979-978-3456-85-2

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    Soils are physical foundation of every ecosystem. Soils determine growth and productivity of mangrove forest. This study investigated soil characteristics and its relationship with growth of replanted Rhizophora apiculata BL. mangroves at four locations of mangrove forest ecosystems in Indonesia. The research was conducted at Sungai Asam, Riau and East Lampung of the east coast of Sumatera island, at Cilacap of south coast of Java island and at Denpasar of south coast of Bali island. At each research location, growth variables of thirty mangrove stands were measured, and soil samples were collected and analyzed. Results of the studies indicated that soil in four locations of replanted Rhizophora apiculata BL mangroves forest in Indonesia has different characteristics. Soil texture of mangrove soil in Riau and East Lampung of Sumatera Island were clay, while those in Cilacap and Bali were respectively sandy clay loam and loam. Mangrove soil in Riau had high pH, low salinity, and high availability of nutrients, in the contrary mangrove soil in Cilacap had low pH, high salinity, and low availability of nutrients, while the characteristics of mangrove soil in East Lampung and Denpasar Bali were in the range in between the values of mangrove soil in Cilacap and in Ria. Growth indicated by parameters of root and plant height, stem diameter, crown volume and biomass production were higher in Rhizophora apiculata BL stands grown in Riau and Lampung of Sumatra Islands than those grown in Cilacap of Java and Denpasar of Bali Islands. Soil properties and salinity might be responsible for the discrepancy between mangrove growth in Sumatera and in Java and Bali. Mangroves grew in Sumatra Island developed higher than those grew in Cilacap of Jawa and in Denpasar of Bali, because soils of mangrove in Sumatera were more fertile than those in Jawa and Bali. Mangrove soil in Sumatera was fertile due to compared with the mangrove soil in Java and Bali due to they had high pH, C-organic, total N and available P, Na content and SAR , and low salinity and exchangeable aluminum and H ion; while mangrove soil in Jawa was less fertile due to it had low pH, low C-organic, total N and available P and Na content, and high salinity, exchangeable aluminum and hydrogen ion. The study suggest that ecological aspect of degraded mangrove is going to be rehabilitated should be taken in to consideration, particularly in developing methods of replanting techniques and selecting the species suitable for the selected sites. Keywords: mangrove, growth, soil,ecosystem,Indonesia.

    Item Type: Book Section
    Subjects: S Agriculture > S Agriculture (General)
    Divisions: Faculty of Agriculture
    Depositing User: Dr Sabaruddin Kadir
    Date Deposited: 16 Aug 2012 21:17
    Last Modified: 16 Aug 2012 21:17

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