9 The Land Resources of North East Nigeria A/blume1 The ...

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Scanned from original by ISRIC - World Soil Information, as ICSU World Data Centre for Soils. The purpose is to make a safe depository for endangered documents and to make the accrued information available for consultation, following Fair Use Guidelines. Every effort is taken to respect Copyright of the materials within the archives where the identification of the Copyright holder is clear and, where feasible, to contact the originators. For questions please contact soil.isric@wur.nl indicating the item reference number concerned. The Land Resources of North East Nigeria Volume 1 The Environment ihilH
' -\* •ï /Ti' -»4, W 'JL "• • JTIV -..-.^-w r 1 m- ?_._:_%! -^ ^,1 ..titty . *i Nomadic bulls grazing arable stubble. Savanna woodland in the background 11 Photo: P E Glover
Page 1: 9 The Land Resources of North East
Page 5 and 6: THE LAND RESOURCES DIVISION The Lan
Page 7 and 8: LIST OF PLATES Frontispiece. Nomadi
Page 9 and 10: INTRODUCTION TO VOLUMES 1- 5
Page 11 and 12: HISTORY OF THE STUDY PREFACE TO VOL
Page 13 and 14: United States Agency for Internatio
Page 15 and 16: ACKNOWLEDGEMENTS PART 1. INTRODUCTI
Page 17 and 18: GENERAL CIRCULATION CLIMATE by P Tu
Page 19 and 20: MANGA PLAINS ' OMatsena ^ *^ / 10°
Page 21 and 22: 1 015 mm (40 in) and 890 mm (35 in)
Page 23 and 24: Potential Evapotranspiration Discus
Page 26 and 27: Omm Oin l-25mm (O-l-lin) 25-50mm (l
Page 28 and 29: P 5-1 O 2- D.O.S. 3099 A Distributi
Page 31 and 32: 20 l°-22-5°C (68 l°-72-5°F) 22-
Page 33 and 34: D.O.S.(L.R.)3064M Copyright reserve
Page 35 and 36: MONTHLY ANALYSIS OF WIND DIRECTION
Page 37 and 38: Mean daily hours of bright sunshine
Page 39 and 40: mm in 300 12 -l Moist Period * Humi
Page 41 and 42: PHYSIOGRAPHY by M G Bawden The rang
Page 43 and 44: the more gentle Plateau slopes. In
Page 45 and 46: 10° ^rr: Outside project area /,/
Page 47 and 48: and the Gongola. They do not howeve
Page 49 and 50: en to DOS. 3099 F Geological Sectio
Page 51 and 52: spm,^ PLATE 1/1 Song. View from bas
Page 53 and 54:
Group IV. Tertiary to Recent Volcan
Page 55 and 56:
Type 17. Ancient alluvium (Chad) In
Page 57 and 58:
GEOMORPHOLOGY by M G Bawden Over mo
Page 59 and 60:
In some areas the Plateau is bounde
Page 61 and 62:
apart. They have an asymmetrical cr
Page 63 and 64:
Pediments are formed on Basement Co
Page 65 and 66:
The characteristics of the sands fo
Page 67 and 68:
70 CO JS 5 o tl •o -t> co 0) * e
Page 69 and 70:
TABLE 3 Mean monthly and mean annua
Page 71 and 72:
10° l4 'IT- 12° ,\ Mv / MILES 0 i
Page 73 and 74:
The Yedseram and the Ngadda flow no
Page 75 and 76:
Groundwater occurs in these igneous
Page 77 and 78:
assess the recharge potential more
Page 79 and 80:
10" NgUTl D.O.S.(L.R.)3064Y Copyrig
Page 81 and 82:
Figure 7 Generalised soil pattern 0
Page 83 and 84:
of clay becomes very small. In the
Page 85 and 86:
Soils. Local alluvium is found thro
Page 87 and 88:
Two major groups of Ferruginous Tro
Page 89 and 90:
capacity is below 30 meq. These soi
Page 91 and 92:
Category (Map 3) Wd E Fn PI Fp Pc F
Page 93 and 94:
degrees. In the Doksa Plain (Land S
Page 95 and 96:
Mapping Units Mapping Units Mapping
Page 97 and 98:
30 meq per cent soil. Where limesto
Page 99 and 100:
Soil unit (see footnote) 1 2 3 4 Cl
Page 101 and 102:
This kind of soil is dominant throu
Page 103 and 104:
Mapping Units Mapping Units EWe Map
Page 105 and 106:
The soils of the Bama and Ngelewa R
Page 107 and 108:
The clay content of the soils is ne
Page 109 and 110:
Soil patterns on sandy facies of Ch
Page 111 and 112:
Most of the alluvial areas are repr
Page 113 and 114:
American system and the Luvisols of
Page 115 and 116:
^Ä~--«dß Ä'i;'?£^!&JE2 ^Js-j£
Page 117 and 118:
direct impedence to root growth by
Page 119 and 120:
Edaphic Factors LITHOSOLS DEEP, FRE
Page 121 and 122:
The Species List * The species list
Page 123 and 124:
1 APRORMOSIA/DETARIUM WOODLAND/TREE
Page 125 and 126:
4 TERMINALIA spp./COMBRETUM spp. SH
Page 127 and 128:
6 ACACIA HOCKII TREE AND SHRUB SAVA
Page 129 and 130:
9 ANOGEISSUS/DETARIUM SAVANNA WOODL
Page 131 and 132:
12 COMBRETUM spp. SHRUB SAVANNA Phy
Page 133 and 134:
16 ANOGEISSÜS/ACACIA SEYAL SAVANNA
Page 135 and 136:
SPECIES LIST Table 20 Community Num
Page 137 and 138:
19 ANOGEISSUS WOODLAND/TREE SAVANNA
Page 139 and 140:
22 ACACIA SENEGAL/COMBRETUM GLUTINO
Page 141 and 142:
25 ADANSONIA PARKLAND Physiognomy F
Page 143 and 144:
29 ZIZIPHÜS/ACACIA spp. TREE AND S
Page 145 and 146:
33 LEPTADENIA SHRUB SAVANNA Physiog
Page 147 and 148:
37 SOUTHERN ALLUVIAL COMPLEX 37a BO
Page 149 and 150:
38 DEJI VALLEYS COMPLEX The plant c
Page 151 and 152:
FAUNA by P J Aitchison and P E Glov
Page 153 and 154:
available. Cattle, sheep and goats
Page 155 and 156:
TABLE 27 Mammals recorded in the Sa
Page 157 and 158:
TABLE 31 Mammals recorded in the Gu
Page 159 and 160:
POPULATION by P Tuley The distribut
Page 161 and 162:
COMMUNICATIONS by P Tuley The major
Page 163 and 164:
10* ETHNIC GROUPS 12* 14° TEXT MAP
Page 165 and 166:
14" 10" 10° . • * • • + •*
Page 167 and 168:
CHEVALIER M A CHRISTIAN C S and STE
Page 169 and 170:
GROVE A T 1958 The ancient erg of H
Page 171 and 172:
McKEOWN H P J MILLER R E JOHNSTON R
Page 173 and 174:
TOMLINSON P R 1965 Soils of norther
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