[en] Landscape Ecological Survey of the Bipindi-Akom II ... - ITTO

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PROFILE PROFILE ISI ISI
Legend Legend unit: Dpd
Soil classification: classification: Ferrali Ferrali haplic haplic Acrisol Acrisol (FAO) (FAO)
Typic Kandiudult Kandiudult (Soil Taxonomy) Taxonomy)
Description:
Description:
On 11-07-95 11-07-95 by Gerard Gerard Hazeu Hazeu
Location: Location:
About 200 m SW of Melen village; 3 °02'80 Nand 10°31 '64 E
Elevation: Elevation:
Landform and slope: Undulating Undulating dissected erosional plain; lower slope 0 - 5%
Parent Parent material: material: Gneisses Gneisses and/or and/or migmatites migmatites of the Precambrian Precambrian shield shield
Vegetation: Vegetation:
Secondary Secondary forest lorest
Drainage: Drainage:
Well drained
Soil:
Deep, yellowish yellowish brown sandy clay loam with loamy sand to sand topsoil
Depth (cm)
0- 7
7- 15
15- 38
38- 80
80-\20 80-\20
120m
1I0r. Description Description
Ah dark greyish greyish brown (IOYR4/1); (IOYR4/I); loamy sand; weakly weakly coherent coherent single grain;
loose, loose, non sticky and non plastic; plastic; many very fine to fine roots; roots; clear
and smooth smooth transition transition to
AB brown (IOYR5/3); (IOYR5/3); sand; moderately moderately coherent porous massive; loose, non
sticky and slightly plastic; few to common, fine fine to to medium roots; clear and
smooth smooth transition transition to
BA pale yellow (2.5Y7/4); (2.5Y7/4); 10anlY sand; weak very fine subangular subangular blocky and
moderately moderately coherent coherent porous massive; massive; very friable, non sticky and non
plastic; plastic; few to common, common, fine to medium medium roots; roots; gradual gradual and smooth smooth
transition transition to
Bwsl brownish yellow (lOYR6/6); (iOYR6/6); slightly gravelly sandy clay loam; few (2%)
fine faint diffuse 5YR5/8 mottles; weak very fine to fine subangular subangular
blocky; very friable, slightly sticky and slightly plastic; few very fine to
fine roots; clear and wavy transition transition to
Bws2 brownish brownish yellow (I0YR6/6); (IOYR6/6); very gravelly, gravelly, stony sandy sandy clay loam; few
(5%) fine faint diffuse 5YR5/8 mottles; few small to large, hard irregular
iron concretions; concretions; weak fine subangular subangular blocky; friable, slightly sticky and
slightly plastic; few very fine to fine roots.
Horizon
Ah
AB
BA
Bwsl
Bws2
Horizon Horizon
Ah
AB
BA
Bwsl
Bws2
Horizon
Ah
AB
BA
Bwsl
Bws2 Bws2
Bwsl
Profile 151 151
Particle Particle size distribution distribution
Depth (cm) % offine earth; in ).101 J.Im
pH