Peatland in Indonesian have been estimate form by hoarding
in Holosin period (since 5.000-10.000 years ago). The region of peatland used
to flooded area (submergen) or marin (Soekardi and Hidayat, 1988).
Peatland in Barambai thickness is 1 meter estimate 2.350
years old.
Peatland in Pontianak thickness is 2.5 meter estimate 2.870
years old (Notohadiprawiro, 1981).
Peatland in Serawak Malaysia is 4.300 years old with rapid 1
meter for 214 years (Anderson 1969 in Andriesse, 1988.
Peatland in Riau (Siak and Bengkalis) is three meter under
the surface and eight meter from the upper of the surface and 2.000-6. Years
old. (Neuzil, 1997)
Peatland in Palangkaraya thickness 8.000-10.000 years. The
surface of beach water showing the thickness
of the peatland area.
The conclution are:
- · The most thickness peatland in Indonesia is Palangkaraya.
- · Holosin period is Peatland have been in Indonesia
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