Research Article
Avifaunal Settlement in a Nickel Mining Project Area in Western Côte d'Ivoire
Issue:
Volume 13, Issue 3, June 2025
Pages:
70-88
Received:
21 February 2025
Accepted:
10 April 2025
Published:
26 May 2025
Abstract: An ornithological study was carried out in the nickel mining area of Foungbesso, Moyango and Viala (Biankouma-Touba) in Côte d’Ivoire, to characterize the initial state of the population of the avifauna prior to the implementation of the said project. In terrestrial environments, the method of listening points coupled with point indices of abundance was used to inventory birds. In aquatic environments, the main method used was a slow-moving itinerant route on foot around bodies of water, with stops to observe and count the birds. A total of 210 bird species belonging to 64 families from 19 orders were inventoried. Of these species, two (02) are recognized as bird species of global conservation concern, eight (08) are endemic to West Africa and two (02) others are species of restricted distribution. Relatively significant samples of species from the biomes characteristic of Côte d’Ivoire have been encountered in the area: 47 of the 185 species from the Guinean-Congolese forest biome and six of the 39 species from the Sudano-Guinean savannahs. From the point of view of the protection and sustainable management of biodiversity for present and future generations, this study is of vital interest. In fact, it enabled an inventory to be made of the birds in the area, which will enable appropriate conservation measures for special-status bird species to be included in the biodiversity management plan proposed at the end of the environmental and social impact study for the project.
Abstract: An ornithological study was carried out in the nickel mining area of Foungbesso, Moyango and Viala (Biankouma-Touba) in Côte d’Ivoire, to characterize the initial state of the population of the avifauna prior to the implementation of the said project. In terrestrial environments, the method of listening points coupled with point indices of abundanc...
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Research Article
Compilation of Phytonematodes of the Family Longidoridae (Nematoda: Dorylaimida) from Senegal
Issue:
Volume 13, Issue 3, June 2025
Pages:
89-92
Received:
22 March 2025
Accepted:
3 June 2025
Published:
11 June 2025
DOI:
10.11648/j.ajls.20251303.12
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Abstract: Historically, this synthesis work on the Dorylaimida parasite of plants encountered in Senegal is the second of its kind. It is then a synoptic view that, through the scientific literature on the description of populations of phytonematode dorylaimides from Senegal, lists all species of Longidoridae from Senegal. The present work aims to: i) make an inventory of the Longidoridae nematofauna described in Senegal so far; ii) contribute to the knowledge of the geographic distribution of this nematofauna in Senegal as well as the host plants, iii) establish a simple local identification key for each of the genera Paralongidorus and Xiphinema. Among the 06 (six) genera that comprise the family of Longidoridae, 03 (three) occur in Senegal, including genera of Longidorus, Paralongidorus and Xiphinema. Species are distributed as it follows: one species of Longidorus (Longidorus pisi), four species of Paralongidorus (P. bullatus, P. dakarensis, P. duncani, and P. sivestris), and fourteen species of Xiphinema (X. algeriense, X. americanum, X. basiri, X. bergeri, X. ebriense, X. elongatum, X. ifacolum, X. krugi, X. luci, X. mounporti, X. opisthohysterum, X. parasetariae, X. savanicola, X. setariae). Among the fourteen regions of Senegal, the presence of nematodes of the Longidoridae family has been reported in ten of them (Dakar, Diourbel, Fatick, Kaffrine, Kaolack, Kolda, Saint-Louis, Tambacounda, Thiès and Ziguinchor). The following genera of host plants are registered: Pennisetum and Sorghum (for species of Longidorus); Acacia, Agrotis, Andropogon, Arachis, Borreria, Combretum, Gossypium, Guiera Pennisetum, Sorghum (for Paralongorus species); Abelmoschus, Agrotis, Apium, Arachis, Borreria, Brassica, Citrullus, Citrus, Combretum, Gossypium, Guiera, Hibiscus, Hypochaeris, , Ipomoea, Nymphea, Oryza, Pandanus, Pennisetum, Solanum, Tridax, and Vigna (for Xiphinema species). Local keys identification characters include: body length and stylet length (for Paralongidorus species); genital branches shape, structure of labial region, structure of ovary, structure of uterus, structure of Z-Organ, tail length, and tail width (for Xiphinema species).
Abstract: Historically, this synthesis work on the Dorylaimida parasite of plants encountered in Senegal is the second of its kind. It is then a synoptic view that, through the scientific literature on the description of populations of phytonematode dorylaimides from Senegal, lists all species of Longidoridae from Senegal. The present work aims to: i) make a...
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Research Article
The Combined Effects of Beehive Shade and Feed Supplementation on Honeybee (Apis mellifera) Productivity
Issue:
Volume 13, Issue 3, June 2025
Pages:
93-105
Received:
16 May 2025
Accepted:
9 June 2025
Published:
30 June 2025
DOI:
10.11648/j.ajls.20251303.13
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Views:
Abstract: Ethiopia is known as one of the world's most important beekeeping areas due to its favorable environmental conditions for growing diverse natural vegetation and cultivated crops. However, the country faces several challenges, including the need for standardized management practices, a lack of technical skills, and bee colonies absconding for unknown reasons. These challenges have hindered the sector's production and productivity. The study aimed to investigate the effects of beehive shade and feed supplementation on honeybee colony productivity in two different Ethiopian agroecologies: the midland region of Bako and the highland area of Gedo. Bako is located at 9° 10' 148" N, 37° 04' 374" E, and Gedo is situated at 9° 01' 504" N, 37° 26' 109" E. This study used 80 honeybee colonies at both locations. These colonies were divided into four groups with varying techniques of management at each site: Group A provided both a hive shed and dearth period feed, Group B provided a hive shed but no dearth period feed, Group C provided dearth period feed but no hive shed, and Group D provided neither a hive shed nor dearth period feeding. The findings revealed that colonies under treatment A showed significantly more brood and pollen combs compared to treatments B, C, and D at both study sites. The difference in brood production ranged from 340.91% for Bako during March-May to 380.95% for Gedo during September-November. Additionally, colonies in treatment A reared 145.78% to 162.03% more brood during dearth periods (December-February and June-August) than colonies in treatment D. The overall differences in pollen Storage between treatment A and D for Bako and Gedo were 239.0% and 272.4%, respectively. The study also found significant differences in absconding rates among the treatment groups, with Group D having the highest rate (80.0%), while Groups B, C, and A had lower rates (62.5%, 57.5%, and 17.5%), respectively. Moreover, the honey yield per year varied significantly among the groups, with Group A having an average yield of 46.80 kg/colony and Group D averaging only 10.3 kg/colony. The study concluded that the provision of durable beehive shading and supplementary feeding during dearth periods is essential to enhance significantly the productivity of honeybees. Further research is recommended to identify other factors that can affect the productivity of local honeybees.
Abstract: Ethiopia is known as one of the world's most important beekeeping areas due to its favorable environmental conditions for growing diverse natural vegetation and cultivated crops. However, the country faces several challenges, including the need for standardized management practices, a lack of technical skills, and bee colonies absconding for unknow...
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,
Ahon Dibié Bernard*
