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Book (stand-alone)SAHEL WEATHER AND CROP SITUATION REPORT - August 2001 2001
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Rains were generally regular and widespread over the main producing zones of the Sahel in July. Rainfall improved notably in Chad, Mali and Niger during the second and the third dekads of July. Precipitation has been particularly abundant in the sudanian zone of Chad during the third dekad of July compensating for insufficient rains earlier in June. By contrast, the north of Burkina Faso received reduced rains. In the western countries (Mauritania, The Gambia, Guinea-Bissau and Senegal), rains w ere regular and above normal during the first dekad of July. They decreased somewhat in mid and late July but remained widespread, notably in Guinea-Bissau. Cape Verde registered its first significant rains in mid-July in Santiago and Fogo islands. Satellite imagery for the first week of August indicates that Chad, Burkina Faso and Senegal received above normal rains. Soil moisture reserves are generally adequate to allow a satisfactory crop development in most agricultural zones. No water stress is reported so far. Late plantings of coarse grains are underway in the north of Senegal and in Mauritania while wet plantings have started in the agricultural islands of Cape Verde. Pastures are regenerating gradually in the pastoral zones. Infestations of grasshoppers are reported in Chad and Niger resulting in localized replanting of coarse grains. Although no Desert Locusts were reported, low numbers of solitarious adults are likely to be present in areas of southern Mauritania, northern Mali, northwestern Niger and perhaps in eastern Chad and are expected to increase gradually with rainfall. -
Book (stand-alone)SAHEL WEATHER AND CROP SITUATION REPORT - July 2001 2001
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The rainy season started in early April in the extreme south of Chad, in mid-April in southern Burkina Faso and Mali, in May in Niger, in early June in Guinea Bissau, the south-east of Senegal and the east of The Gambia and in late June in southern Mauritania. In late June, rains covered the whole of Senegal and The Gambia. Rains are expected to start shortly in Cape Verde. This corresponds to the normal pattern in the Sahel, except for Niger where the onset was somewhat earlier than usual. Sate llite imagery for the first dekad of July indicates that above normal rains have been received in Guinea Bissau, The Gambia, southern Mauritania, western Mali and most parts of Burkina Faso, Niger and Senegal,. Precipitation was less abundant in central and southern Mali and below normal in central Chad. Plantings are in progress following the onset of the rains. Crops are generally emerging satisfactorily in Burkina Faso, Mali, Niger and Senegal. Erratic rains in Chad are likely to cause water stress on recently planted coarse grains or necessitate replantings. Pastures are starting to regenerate. The pest situation is mostly calm. Ecological conditions have become favourable for Desert Locust breeding from south-eastern Mauritania to Tamesna in Niger but as locust numbers are extremely low, it will take a long time to build up to significant levels. -
Book (stand-alone)SAHEL WEATHER AND CROP SITUATION REPORT - September 2001 2001
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Following regular and widespread rains in July over the main producing areas, precipitation was generally well distributed and above normal in August in the east and the centre of the Sahel. Rains became abundant in late August in the centre and south of Burkina Faso, the south and the centre of Chad, the southwest and centre of Mali and the centre of Niger. By contrast, in the western countries, The Gambia, Mauritania and Senegal, rainfall was irregular and below normal up to mid-August. The se cond dekad of August was particularly dry and cumulative rainfall was below last year's level and below normal in these countries. However, rains improved significantly in late August and early September, notably in Guinea Bissau, The Gambia, the south and west of Senegal and Mauritania. The satellite image for the first week of September indicates that substantial rains were received over most producing areas of the Sahel. After significant and widespread rains in early August in all agricultur al islands of Cape Verde, precipitation decreased from the second dekad of August but remained widespread. Harvest prospects are favourable in Burkina Faso, Chad, Guinea Bissau, Mali and Niger reflecting generally good growing conditions since July. In The Gambia, Mauritania and Senegal, crop conditions improved following increasing rains in late August/early September but more rains are needed to allow late plantings to cover their growing cycle. Pastures are developing in all pastor al zones. Infestations of grasshoppers are reported in several zones of Chad, Guinea Bissau, Niger and Senegal. Control measures are being undertaken. The Desert Locust situation remains calm.
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