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

w w
Vl Vl
PROFILE PROFILE 183 183
Legend Legend unit: unit:
Soil Soil classification:
classification:
Description: Description:
Location: Location:
Elevation: Elevation:
Landforrn Landforrn and and slope: slope:
Parent Parent material: material:
Vegetation: Vegetation:
Drainage: Drainage:
Soil: Soil:
Depth Depth (cm) (cm) Hor. Hor.
0- 0- 3 3 Ah Ah
3-15 3-15 BA BA
15-47 15-47 C C
47-70 47-70 er er
E E in in Dpd Dpd
Dystric Dystric Fluvisol Fluvisol (FAO) (FAO)
Fluvaquent Fluvaquent (Soil (Soil Taxonomy) Taxonomy)
On On 26-07-95 26-07-95 by by Gerard Gerard Hazeu Hazeu
About About 2 2 km km NE NE ofObo'otomba ofObo'otomba village; village; 3°04'11 3°04'11 Nand Nand 10°35'68 10°35'68 E E
Unknown Unknown
Undulating Undulating dissected dissected erosional erosional plain; plain; valley valley bottom bottom
Alluvial Alluvial deposits deposits derived derived from from gneisses gneisses and/or and/or migmatites migmatites of of the the
Precambrian Precambrian shield shield
Forest Forest
Poorly Poorly drained drained
Moderately Moderately deep, deep, grey grey to to white white sand sand with with very very dark dark brown brown topsoil topsoil
Description Description
very very dark dark brown brown (I (I OYR2/2); OYR2/2); sandy sandy clay clay loam; loam; moderately moderately coherent; coherent; very very
friable, friable, non non stid:y, stid:y, slightly slightly plastic plastic and and weakly weakly smeary; smeary; few few fine fine to to medium medium
roots; roots; clear clear and and smooth smooth transition transition to to
light light yellowish yellowish grey grey (IOYR6/2); (IOYR6/2); slightly slightly gravelly gravelly coarse coarse sand; sand; weakly weakly
coherent coherent single single grain; grain; loose, loose, non non sticky sticky and and non non plastic; plastic; few few very very fine fine to to
fine fine roots; roots; clear clear and and smooth smooth transition transition to to
dark dark yellowish yellowish brown brown (IOYR3/4); (IOYR3/4); slightly slightly gravelly gravelly loamy loamy sand; sand; moderately moderately
coherent; coherent; very very friable, friable, slightly slightly sticky sticky and and slightly slightly plastic; plastic; no no roots; roots; abrupt abrupt
and and smooth smooth transition transition to to
(IG7/5GY); (IG7/5GY); slightly slightly gravelly, gravelly, slightly slightly stony stony sandy sandy loam; loam; strongly strongly coherent coherent
porous porous massive massive structure; structure; friable, friable, slightly slightly sticky sticky and and slightly slightly plastic; plastic; no no
roots. roots.
Profile Profile 183 183
Particle Particle size size distribution distribution
Horizon Horizon Depth Depth (cm) (cm) % % of of fine fine earth; earth; in in Ilm Ilm
pH pH