Zinga Koumba Christophe Roland

Species Composition and Diurnal Activity Rhythm of Tabanids (Diptera: Tabanidae) at the Ivindo National Park and Its Environs

Affiri Odzame Joseph-Marie, Sevidzem Silas Lendzele, Zinga Koumba Christophe Roland, Mounioko Franck, Koumba Armel Aubin, Rodrigue Mintsa, Acapovi-Yao Geneviève Lydie, M’batchi Bertrand & Jacques François Mavoungou · Asian Journal of Research in Zoology · 2019

An entomological prospection to show the species composition and diurnal activity of tabanids was carried out using 15 Vavoua traps, during the rainy season (25th Sept-5th Oct and 21st Oct-9th Nov 2018), in the secondary forest [Ivindo National Park (INP)] and Village-Town sites...

Open access Research Article 10.9734/ajriz/2019/v2i230062

Occurrence, Distribution and Farmers' Perceptions of Cassava Diseases in Gabon, Central Africa

Mouketou Armel, Ndiade Bourobou Dyana, Koumba Aubin Armel, Abessolo Meye Clotilde, Gnacadja Claude, Zinga Koumba Christophe Roland, Mbeng Ndong Hendrix, Sima Owono Rochat Léotard, Lepengué Alexis Nicaise & Mavoungou Jacques François · Asian Research Journal of Agriculture · 2023

Aims: In order to identify and assess the level of cassava diseases in farms present in Gabon, disease surveys were carried out across the country in 2021 and 2022. Methodology: The method used is based on administration of questionnaire to cassava growers, supplemented by the re...

Open access Research Article 10.9734/arja/2023/v16i4402