7 70 ERGS Oza, T
Total Page:16
File Type:pdf, Size:1020Kb
~r S 5 - - /7 70 A~ierican Univ., ashington, D. C. Priscilla Reining, Ph.D. UTILIZATION OF ERTS-1 IMAGERY IN CULTIVATION AND SETTLEMENT SITE IDENTIFICATION AND CARRYING CAPACITY ESTIMATES IN UPPER VOLTA AND NIGER Oriinal photography nay be purchased from: ERGS Oza, t . bP b d - a ua;oia'd Avenue Sioux Falls SD A71i98 :(E75-10029) UTILIZATION OF ERTS-1 N75-13345 IMAGERY IN CULTIVATION AND SETTLEMENT SITE IDENTIFICATION AND CARRYING CAPACITY IESTIMATES .IN UPPER VOLTA AND (American Uncias Univ.) 172 p HC $6.25 CSCL 08B G3/43 00029 NATIONAL TECHNICAL INFORMATION SERVICE PRISCILLA REINING, November 1973 Associate Director Drought Analysis Laboratory UN # 431 in the ~-ilaiponsorship seminatii of Eai ";fip-J Survey(i - Program informaton and iot liabilitey for any use made t iabiereot.'lit . .I /_, 41,' ,',',-, Test Site.D',ERTS-1 Location Orbi; TRACKS T) Test Site Locaton ArbitrarLly numbered for the , . .. .-=- -: e---v- ,, . ,, .;-.l Francophone,,Saheltan zor i( ' I c-II.I -"- ., ;:....,.:{! !!i. - i.. -.,,,,.i**.-I *ioi'-- _..-I ,lglilI, :;* ,:.• ''ii,, ,I .. '-- . I ifii ll liD# ~ I#*I jt G.MW a- O~ . C-L~C ~- r = - ~a= ~ - = ~ -~~l~sIItIl r -~ l it,,4 ... .....,,,.:: ~ ,.:;: v. w,4.........,,....£ ::.. .'"i". .,,, ,, ,,, .5th . .. ... -- 2:::::::r : :::::. ;:::::::::::::Yk !..:.':.: :.... -. 4 ----- ' ------- ' '' ;_9_ _8_ 7 6 5"'":"'" =---"--:. " ............ ;,....---" ""~~,, ,. -.-'--_- -.,. 26.. '~. t;' . .29 1,2 --.. IC:::,r~ : .; :..:, 3 Z':..: :...;: .v,;.:.;: :,:.,?,;,;'.. -' 2" I ., .- ".,..../.'., 22?2 25 2~4 23q 3 4 © !: " "x , !"6.~ Vi tll' ... 'T: :.,, ::-,. :! ViLlage 1i ~::': •". ." ::I~ .!7.,, . , S, •;i ll- ', ...f':".' r ::'.. -,,I .~::,,: ,, ",.:..:.;.-.1 - 4 -4 ..... .... ::r :< : iii TABLE OF CONTENTS PAGE Tables vi Plates x Introduction . E NG PAE BL"ANK ~) ~ I Credits and Acknowledgements 4 Summary 6 ERTS-1 Imagery Analysis Results 6 Soils and Vegetation Types 6 Cultivations 9 Crops 10 Settlements 10 Regional Land Use Patterns or Culture Areas 11 Carrying Capacity Estimates and Population Density Estimates 12 Substantive Findings 13 Allan Methodology 14 Recommendations 15 Documentation 1 ( Basis of Selection of Villages L Data 23 Soils and Soils Classification 27 Soils and Crops 28 Sonrai of Koulbagou-Haoussa Village 1 31 1. Soils - Vegetation - Climate 32 2. Customary Land Usage of the People 37 Components of Husbandry 38 Rice 38 Manioc Parcs 39 Mango and Guava Trees 39 Millet 40 Sorghum 44 Millet Sorghum 45 Kitchen Gardens 45 Cattle 45 Sheep and Goats 46 Chickens and Guinea Fowl 46 Horses and Donkeys 47 Granaries 47 Tenure 47 Cropping Cycle 49 iv 3. Estimate of Proportion Practicable for Cultivation I0 4. Average Acreage Per Head = Cultivation Factor 66 Carrying Capacity Estimate 72 Soil Types, Agroclimatic Zones and Sonrai Territory in 75 Tillaberi and Tera Arrondissements Hausa of Dogondoutchi, a Sample of the Town 79 1. Soils - Vegetation - Climate 80 2. Customary Land Usage of the People 83 Millet 84 Sorghum 84 Millet-Sorghum 84 Peanuts 85 Cows 85 Sheep and Goats 85 Chickens 85 Horses and Donkeys 85 Granaries 86 Other Property 86 Tenure 86 Cropping Cycle 86 3. The Cultivable Percentage 98 4. Average Acreage Per Head = Cultivation Factor 100 Carrying Capacity Estimate 103 Occurrence of Soil Types in Dogondoutchi Arrondissement 105 Mossi of Nabadougou, Village #3 107 1. Soils - Vegetation - Climate 109 2. Customary Land Usage of the People 1ll Components of Husbandry 111 Rice 111 Millet 112 Sorghum 113 Peanuts 113 Bambara Nuts 11.4 Cattle I Sheep and Goats 115 Chickens .1 Donkeys 11.5 Houses 116 Granaries 116 Tenure 116 Cropping Cycle 117 3. Cultivable Percentage 118 4. Average Acreage Per Head 130 PAGE Carrying Capacity Estimate 131 Population Data .131 (1) Carrying Capacity Formula 134 (2) Population Structure .134 (3) Indices of Population Density 136 Population Structure for Village 1 144 Population Structure of Village 2, the Sample of the Canton 147 of Dogondoutchi Population Structure in Village 3 1.50 Appendix 152 References Cited 153 vi TABLES PAGE Table 1 Methodology for estimating carrying capacity and population 21 densities. Table 2 ERTS-1 imagery used in conjunction with the Grain Stabilization 23 Program Study. Table 3 Aerial photographs used in conjunction with the Grain Stabili- 25 zation Program Study. Table 4 Numbers of compound heads and property owners having fields, 29 categorized according to soil type, crop and residential area. Villages are indicated. Table 5 Number of field and animals in Village 1. 60o Table 6 Areas of fields in Village 1. 60 Table 7 Acreages of rice in Village 1, categorized by soil type and 60 villagers rights in fields within and outside of the village. Table 8 Acreages of manioc parcs in Village 1, categorized by soil type 6] and villagers rights in fields within and outside of the village. Table 9 Acreages of mango-guava enclosurers in Village 1, categorized by 62 soil type and villagers rights in fields within and outside of the village. Table 10 Acreages of millet fields in Village 1, categorized by soil type 63 and villagers rights in fields within and outside of the village. Table 11 Acreages of sorghum fields in Village 1, categorized by soil type 64 and villagers rights in fields within and outside of the village. Table 12 Acreages of millet-sorghum in Village 1, categorized by soil type 64 and villagers rights in fields within and outside of the village. Table 13 Estimate of proportion practicable for cultivation of each soil 65 type in Village 1. Table 14 Distribution of land within Village 1, by quartier/lineage. 69 Table 15 Distribution of land within quartier/lineage 1 in Village 1 by 70 compound. Table 16 Distribution of land within quartier/lineage 2 in Village i, by :71 compound. vii PAGE Table 17 Human carrying capacity for Village I.. Estimate . Table 18 Human .carrying capacity for Village 1. Estimate 2. '{4 Table 19 Number of fields and animals in Village 2. Table 20 Areas of fields in Village 2. ()6 Table 21 Acreages of millet fields in Village 2, categorized by soil type 96 and villagers rights in fields within and outside of the village. Table 22 Acreages of millet/sorghum fields in Village 2, categorized by soil 96 type and villagers rights in fields within and outside of the village. Table 23 Estimate of cultivable percentage of each soil type in Village 2. 297 Table 24 Distribution of land within Village 2, by quartier/lineage. 101 Table 25 Distribution of land within quartier 9, Village 2 by compound. 102 Table 26 Human carrying capacity for Village 2, sample of Canton. Esti- jo~ mate 1. Table 27 Human carrying capacity for Village 2, sample of Canton. Esti- 104' mate 2. Table 28 Number of fields and animals in Village 3. 119. Table 29 Areas of fields in Village 3. 119 Table 30 Acreages of rice in Village 3, categorized by soil type and l19g villagers. Table 31 Acreages of millet fields in Village 3, categorized by soil type 120 . and villagers rights in fields within and outside of the village. Table 32 Acreages of sorghum fields in Village 3, categorized by soil type 120 and villagers rights in fields within and outside of the village. Table 33 Acreages of peanut fields in Village 3, categorized by soil type --20' and villagers rights in fields within and outside of the village. Table 34 Acreages of Bambara fields in Village 3, categorized by soil type 120 and villagers rights in fields within and outside of the village. Table 35 Estimate of cultivable percentage of each soil type in Village 3. 130 vii1 PAGE Table 36 Distribution of land within Village 3, by quartier/lineage. 132 Table 37 Human carrying capacity for Village 3. Estimate 1. ,133- Table 39 Comparison of population structure in Villages 1, 2, and 3. 136 Table 40 Compounds as percentage of total residential area. 138> Table 41 Indices for residential population density, Village 1. Table 42 Population data for Village i, male and female, present 1r'<) or absent. Table 43 Indices for residential population density, Village 2. 14(). Table 44 Population data for Village 2, male and female, present 148, or absent. Table 45 Indices for residential population density, Village 3. 149 Table 46 Population data for Village 3, male and female, present or 151 absent. Plates ix 1. ERTS-1 scene including Niamey, and Village 1 indicated in square. !2 2. Copy of ONC K-2 corresponding to ERTS-1 scene in Plate 1. ', 3. Overlay for Plate 4 showing domain of Village 1. 54 4. ERTS-1 enlargement to scale of 1:50,000 of domain of Village 1. 55 5. Overlay for Plate 6 showing aerial-fields and village quartier, numbered 5b (1,2,3,4,5). 6. Aerial Photograph of Village 1, at 1:10,000 scale. 56 7. Copy of 1:50,000 map showing boundaries of Village 1. 57 8. Low altitude aerial photo taken July 1973 showing Village 1 and environs. 58 9. Village 1 and soil type 91, ground view. 58 10. Newly planted millet field in soil type 58 (tropical ferruginous soils). 59 11. Sorghum field next to Tamtala. 59 12a. Soil types, rainfall boundary in Tillaberi Arrondissement. -7 12b. Soil types, rainfall boundary in Tera Arrondissement. 78 13. ERTS-1 scene including Village 2 site of Dogondoutchi. 88 14. Copy of ONC K-2 corresponding to ERTS-1 scene in Plate 13. 89 15a. 1972 Cropping areas in three soil types adjacent to Dogondoutchi, from ERTS 90 imagery. 15b. ERTS-1 enlargement to scale of 1:50,000 of Dogondoutchi and part of Canton. 91 16. Overlay for Plate 17 showing town and environs of Dogondoutchi. 92 17. Aerial photograph of Dogondoutchi at scale of 1:15,000. o 3 18. Brousse tigre vegetation on sandstone formation (soil type 27), taken near 94 Dosso.