NITROGEN CONTENT OF TOPSOIL IN LOWLAND TROPICAL FOREST IN EAST KALIMANTAN (INDONESIA), BEFORE AND AFTER CLEAR-CUTTING AND BURNING

SOEDARSONO RlSWAN
10.55981/reinwardtia.1984.267
| Abstract views: 489 | PDF views: 290

Abstract

In order to study the changes in nitrogen content of forest soils after clearcutting and burning over a period of time, two plots of 0.5 ha in the primary mixed dipterocarp and kerangas forests were established and clear-cut. Thereafter, all felled vegetation in one plot of each forest type was burnt, while in the other plot the vegetation was removed from the plot without burning. Soil samples were collected along the transect line 1 x 100 m in each of plots at intervals of 20 m.The preliminary results of the data collected over 6 and 12 weeks after felling with or without burning showed a decline of total N and organic C contents of topsoil and an increase in soil pH.

Keywords

NITROGEN CONTENT OF TOPSOIL IN LOWLAND TROPICAL

Full Text:

PDF

References

BERLAGE, H.P. JR. 1949. Regenval in Indonesia (Rainfall in Indonesia). Koninklijk Magnetisch en Meteorologisch Observatorium te Batavia, Verhandelingen No. 37.

BRUNTG, E.P. 1974. Ecological studies in the Kerangas forest of Sarawak and Brunei. Borneo Literature Bureau for Sarawak Forest Department.

CUNNINGHAM, R.K. 1963. The effect of clearing atropical forest soil, hi J. Soil Sci. It (2): 334-345.

HARDJONO. 1967. Uraian satuan peta eksplorasi Kalimantan Thnur bagian Selatan (Exploration map of southern part of East Kalimantan). Lembaga Penelitian Tanah, Bogor.

HARDON, H.J. 1936. Podzol profiles in the tropics. In Natuurk. Tijds. 96: 25-41.

HARTWN, H.J. 1037. Padang soil, an example of podzol in the tropical lowlands, hi Proc. Acad. Sci. Amsterdam 40(6): 5S0-S38.

JACKSON, M.L. 1958. Soil chemical analyses. Prentice-Hall, London.

JENNY, H. 1050. Causes of the high nitrogen and organic matter content of certain tropical forest soils. Soil Sci. 69: 63-69.

NYE, P.H. & GREENLAND, D.J. 1960. The soil under shifting cultivation. Common wealth Bureau of Soils, Technical Communication No. 51.

ODUM, E.P. 1971. Fundamental of ecology. Saunders, Philadelphia.

RIQUIR, J. 1953. Study of a forest clearing soil and a soil under primary forest at Perinet. In Mem. Inst. Sci. Madag. Ser. D, 5: 75-92.

RISWAN. S. 1,976. Penelitian suksesi hutan tanah rendah tropika di Gunung Kapur,Lempake, Samarinda '(Siiccessinal study on lowland tropical forest at Gunung Kapur, Lempake, Samarinda). Frontier Vniversitas Miilawarman 6: 25-27.

RISWAN, S. 1979. Hutan Kerangas di Samboja, Kalimantan Timur (Kerangas forestat Samboja, East Kalimantan). In BUDIMAN, A. & KARTAWINATA, K. (Eds.).1979. Laporan Teknik 11878: - H979' Lembaga Biologi Nasional, Bogor: 2;18 - 224.

RISWAN, S. & HADRIJANTO, D. 1979. Lowland dipterocarp forest 30' years after pepper plantation in East Kalimantan, Indonesia. In Proc. Vth Intern.Symp. Trop. Ecology, 1:6-01 April 1979, Kuala Lumpur, Malaysia (In press).

WENT, F.W. & STARK. N. 1968. Mycorrhiza. In Bioscience 18: 1035-1039.

DOI: https://doi.org/10.55981/reinwardtia.1984.267
Copyright (c) 2015 Research Center for Biology, Indonesian Institute of Sciences (LIPI)

Refbacks

  • There are currently no refbacks.