2 edition of African migratory locust in its main outbreak area of the Middle Niger found in the catalog.
African migratory locust in its main outbreak area of the Middle Niger
R. A. Farrow
by Organisation Internationle contre le criquet migrateur africain in Bamako, République du Mali
Written in English
Bibliography: p. 193-198.
|Statement||by R.A. Farrow.|
|Series||Locusts ;, no. 11|
|Contributions||International African Migratory Locust Organisation.|
|LC Classifications||QL508.A2 L63 no. 11|
|The Physical Object|
|Pagination||198 p. :|
|Number of Pages||198|
|LC Control Number||82465066|
In the desert locust plague in Africa, the Middle East, and Asia that lasted from to , the number of locusts increased from two to 30 billion over two generations, but the area covered decreased from over , square kilometres (39, sq mi) to 5, square kilometres (1, sq mi). Start studying History Chapter 8 Crossword. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Stunning footage of one of Planet Earth's greatest spectacles, the swarm of the Desert Locust - Eggs that have remained in the ground for twenty years . Last year, more than , migrants arrived there, representing the largest influx of people into one country in European Union history. Most of the migrants are Eritrean and Syrian but numerous.
African migration: from tensions to solutions. Get our app. are the main instruments safeguarding their rights. It examines the many issues confronting the people of Africa, its leaders. The inland city of Timbuktu was a major center for scholarship, and the work of its astronomers, mathematicians, and theologians spread throughout West Africa. Several large kingdoms, such as Mali, Songhay, and Benin, held sway over significant stretches of territory, and in the 16th century the capital of Benin was one of the largest cities in.
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The African migratory locust in its main outbreak area of the Middle Niger: quantitative studies of solitary populations in relation to environmental factors. Author(s): Farrow, R. Author Affiliation: International African Migratory Locust Organisation, BPBamako, by: Farrow R A, The African migratory locust in its main outbreak area of the Middle Niger: quantitative studies of solitary populations in relation to environmental factors.
In: Locusta, pp. Farrow R A, The main outbreak area of the African Migratory Locust is located in the Niger flood plains in Mali where the last major plague developed between years Author: Michel Lecoq.
traps with a diameter of cm in the main outbreak area of the African migratory locust on the Middle Niger. The traps did not catch any Locusta during a 5-year period even during periods of massive flight when adults were attracted to light in general. Davies (pers. comm. Feb., ) operated a moth trap of small diameter at Longreach, Queensland, to sample plague locust populations and had Cited by: The African migratory locust in its main outbreak area of the Middle Niger: quantitative studies of solitary populations in relation to environmental factors Locusta FieldingCited by: 5.
The locust problem is not new. The Bible already spoke of a plague of locusts, the eighth plague of Egypt. For thousands of years, man has been faced with devastating outbreaks of these migratory Author: Michel Lecoq.
Currently, locust outbreaks in East Africa are threatening the livelihoods of hundreds of farmers and their families. For instance, a recent swarm in Kenya consumed more than 2, tons of food. Farrow, R. A.: Phase changes in the African Migratory Locust, Locusta migratoria migratorioides (R & F), in its main outbreak area on the Middle Niger in –68 in relation to outbreaks.
Proc. Int. Study Conf. Current and Future Problems of Acridology, London– () Google ScholarCited by: The African Migratory Locust in its main outbreak area on the Middle Niger – Quantitative studies of solitary population in relation to environmental factors, Locusta, 1 –Google ScholarCited by: 3.
FARROW R. () The African Migratory Locust in its main outbreak area of the middle Niger: Quantitative studies of solitarious populations in relation to environmental factors.
Locu Cited by: 3. Developments in the Strategy of Red Locust Plague Prevention in the Fifty-Year History of the International Red Locust Control Organisation for Central and Southern Africa - Volume 19 Issue 4 - Cited by: 2.
Latin America and Africa; Middle East and Africa research unit to be the African Migratory Locust. outbreak in "This form of migratory pest has a form of a pattern in terms of. Acknowledgements-My thanks are due to Dr. CHAPMAN for helpful discussions and for reviewing the manuscript and to Dr.
BERNAYS for useful suggestions and advice. MCCAFFERY REFERENCES FARROW R. () The African migratory locust in its main outbreak area on the Middle Niger: quantitative studies of solitary populations Cited by: In Africa, upsurges occurred in the main Locusta outbreak area in Mali and elsewhere (Betts, ; Batten, ).
Farrow () concluded that man‐made changes are responsible for higher numbers of African migratory locust infesting agricultural areas than undisturbed habitats. He also notes that upsurges or short plagues occurred in Angola Cited by: Africa.
The last incursion was reported in Togo in August In Nigeria, where, since its introduction, the virus has been reported in 26 states in the country, the disease has become endemic. Cote d’Ivoire and Ghana, continue to report outbreaks in some areas of the countries. Niger. African Migration Robert E.B.
Lucas Economics Department, Boston University, Bay State Road, Boston MAUSA [email protected] Forthcoming in The Handbook on the Economics of International Migration, edited by Barry R.
Chiswick and Paul W. Miller, to be published by Elsevier. The African migratory locust favors area of 10–15% bare ground with mixed association of Ctenium elegans, Cenchrus biflorus, Eragrostis tremula for breeding in the late rainy season. The Niger flood plains provide special conditions because the retreating floods allow the locust to survive during the dry season but also to by: 1.
One, the African migratory) locust, persists only in the flood. plains of the middle Niger River. When conditions in ‐1. The desert locust, Schistocerca gregaria (Forskål) (Orthoptera: Acrididae), is usually a solitary insect that occurs in desert and scrub regions of North Africa, the Sahel, the Horn of Africa, the Arabian Peninsula, and southwestern Asia ().During the solitary phase, when major desert locust activity is in recession, desert locust populations are sparse and pose no economic : Allan T Showler.
Insects in wheat-based systems R.H. Miller, K.S. Pike. Hundreds of insects have been described on wheat worldwide. While most of these insects cause insignificant damage or occur only in isolated areas, others annually cause serious yield and forage reduction across international borders.Start studying Geography chapter 6.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. The upper basin of the Niger River has been an area of far greater cultural development over time than its coastal delta region.
The first West African state to gain its independence, formerly called the Gold Coast, is. The desert locust, the most notorious of about a dozen locust species for its ability to rapidly multiply and travel long distances, threatens an area of 32 million square kilometres, stretching.