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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 - June 2000 2000
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The rainy season has started in late April or May in southern Burkina Faso, Chad, Guinea Bissau and Mali, in the extreme south-west of Niger and the extreme south-east of Senegal; seasonably dry conditions prevail in the rest of Senegal, Cape Verde, The Gambia and Mauritania. This corresponds to the normal pattern in the Sahel, except for Niger where the onset of the rains is somewhat delayed. Satellite imagery for the first dekad of June shows a decrease in the intensity of the rains in the are as where they had started in Burkina Faso and Niger but a significant northwards movement of cloud coverage, indicating that rains progressed over the centre of Mali, Niger and Chad. Land preparation and plantings are in progress following the onset of the rains. Dry planting is also underway in Mauritania and Niger. Crops are emerging satisfactorily in southern Burkina Faso, Chad and Mali but improved rains are needed in the coming weeks . Seed availibility is generally adequate following above average to record harvests in most Sahelian countries in 1009. The pest situation is calm. A few Desert Locusts were reported in mid-April in south-eastern Aïr in Niger and during May in Adrar in Mauritania. Low numbers of adults are likely to appear in southern Mauritania and lay with the onset of the rains.
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