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Book (stand-alone)SAHEL WEATHER AND CROP SITUATION - October 1999 1999
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After abundant rains in mid or late August in several parts of the Sahel, rainfall decreased somewhat in September but remained generally widespread and above normal. During the first two dekads, rains were well distributed over the producing zones of the Sahel and abundant in Senegal, The Gambia, Guinea Bissau, Burkina Faso and Chad. However, they were more limited in Mali. During the third dekad, they stopped in north-western Senegal and central Chad but continued over all the other producing zones. Cumulative rainfall is generally normal to above normal in Burkina Faso, Chad, The Gambia, Niger and Senegal. High water levels in the Senegal and Niger rivers caused flooding, notably in Mauritania. Soil moisture reserves are adequate except in some areas in northern Senegal and Niger. Early millet and sorghum are maturing or reaching harvest stage in most productive zones. Satellite images for the first dekad of October indicate that cloud coverage continued over most producing zones of Senegal, Mali, Burkina Faso and Chad but diminished over Mauritania, north-eastern Burkina Faso and Niger. Precipitation remained above normal in southern and central Senegal, Mali, western Burkina Faso and southern Chad. Overall, good harvests are anticipated in most countries. Pastures are abundant and of good quality, notably in Mauritania. Pest infestations (mostly grasshoppers, blister beetles and floral insects) were reported in Cape Verde, Niger, and Senegal. A small outbreak of De sert Locusts occurred in northern Mali as a result of exceptionally good breeding conditions. Limited breeding has also been reported in Mauritania. Elsewhere, no significant developments are expected. -
Book (stand-alone)SAHEL WEATHER AND CROP SITUATION - October 1998 1998
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The rainy season is nearing its end after abundant rainfall in September. Following decreased rains in late August, precipitation was generally widespread and above normal over most producing areas of the Sahel during the first dekad of September. Torrential rains were again registered in several areas of Niger where they caused flooding. Rains remained abundant during the second dekad, except in southern Mauritania, but they decreased significantly during the last dekad. Rains became abundant o n southern islands of Cape Verde in mid to late September. Rainfall was particularly abundant in Guinea-Bissau. The latest Meteosat satellite image for the first few days of October indicates that cloud cover is clearly moving southwards, marking the end of the rainy season in most northern areas. Reflecting good rainfall, crop prospects are generally favourable in Mali, Burkina Faso, Niger and in Chad except in the Sudanian zone affected by extensive flooding. In The Gambia and Senegal, c rop prospects improved following regular rains since August but in northern Senegal additional rains are needed in October as the rainy season started late this year. In Mauritania, growing conditions were mostly favourable for rainfed crops in September. Crop prospects have improved in Cape Verde following increased rains in September. They are uncertain in Guinea-Bissau as the impact of civil disturbances on plantings and other agricultural activities is not clear. Joint FAO/CILSS Crop Assessm ent Missions are scheduled from mid-October to estimate with national services the 1998 cereal production. FAO's tentative assessment of yield forecast for cereals in the Sahelian countries is shown in Annex I. -
No Thumbnail AvailableBook (stand-alone)SAHEL WEATHER AND CROP SITUATION - October 1997 1997
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In the western part of the Sahel, harvest prospects have improved following abundant and widespread rains in September, which partly compensated for earlier drier conditions. After an early start of the rainy season in May/June, precipitation was well below normal from mid-July up to mid-August over most parts of Senegal, The Gambia and Mauritania, severely affecting early planted crops and rainfed “dieri” crops in Mauritania. Abundant precipitation in late August/early September replenished soi l moisture reserves in these countries and filled dams in Mauritania, improving prospects for recession or irrigated crops. Abundant rains in September also benefited crops in Guinea Bissau. In the central part of the Sahel, reflecting generally favourable growing conditions, harvest prospects are mostly favourable in Mali and western and northern Burkina Faso but unfavourable in eastern Burkina Faso. In the eastern part of the Sahel, prospects are mixed in Niger with pockets of poor anticipated harvests. In Chad, generally widespread and regular rains benefited crop development but African Migratory Locusts are threatening crops in the north-west. In Cape Verde, the maize crop is growing satisfactorily in the humid zones. The latest Météosat satellite image for the first days of October shows that cloud cover disappeared over most parts of Mauritania, northern Senegal, northern Mali and Burkina Faso, Niger and eastern Chad, marking the end of the rainy season. Precipitation remained q uite abundant in Guinea Bissau, more limited but widespread in southern Senegal, southern Mali, southern and central Burkina Faso and south-western Chad.
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