Aire gregarigene du criquet migrateur africain. Etude methodologique pour l'etablissement d'une carte de la vegetation, janvier-mars 1970 - Etudes ecologiques
Illus., graphs, maps; 7 ref.
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Format: | Texto biblioteca |
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Jun
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Subjects: | INSECT CONTROL, ACRIDIDAE, VEGETATION, CARTOGRAPHY, METHODS, AERIAL SURVEYING, HYDROGRAPHY, FLOODING, FLOODED LAND, PRECIPITATION, PHOTOINTERPRETATION, LUTTE ANTIINSECTE, CARTOGRAPHIE, CONTROL DE INSECTOS, VEGETACION, CARTOGRAFIA, METHODE, RELEVE AERIEN, HYDROGRAPHIE, INONDATION, TERRE INONDEE, METODOS, RECONOCIMIENTO AEREO, HIDROGRAFIA, INUNDACION, TIERRAS INUNDADAS, PRECIPITACION ATMOSFERICA, FOTOINTERPRETACION, |
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