Analyse des impacts des changements climatiques sur les normes hydrologiques en Afrique de l’Ouest : cas du district d’Abidjan (sud de la Côte d’Ivoire)

Kouassi, Amani Michel; Nassa, Relwindé Abdoul-Karim; Kouakou, Koffi Eugène; Kouamé, Koffi Fernand; Barthélemy, Jean

doi:10.7202/1067305ar

Cited by 8 publications

(7 citation statements)

References 13 publications

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“…), it is on the other hand a process that can compromise the quality of annual yields of varieties R579 and SP711406. Indeed, given the proven impact of climate change on the frequency and intensity of extreme events in Africa [40] and particularly in Côte d'Ivoire [41] [42] [43], increasing the frequency of these extreme events, especially those related to rainfall, the supply of water to the cultivation plots by irrigation could create harmful conditions for certain sugarcane varieties and reduce their productivity. Also, too much irrigation can lead to problems in maintaining soil fertility, particularly the level of organic matter in the soil [44].…”

Section: Discussionmentioning

confidence: 99%

Climate Impact on the Productivity of Sugarcane Varieties in Ferke1 Industrial Plantations

Dosso,

Yoroba,

Kouassi

et al. 2023

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This study assesses the climate impact on the productivity of five sugarcane varieties (R579, SP711406, M2593/92, M1400/86, and SP701006) in the industrial plantations of Ferké 1 sugar complex. It is a contribution to research efforts aimed at increasing the productivity of sugarcane varieties in the sugar fields. Also to support agricultural development and guarantee the income of planters. The sugarcane production data are from 2013 to 2017. Climatological data are measured and calculated continuously daily at the production site. In addition, the CMIP-5 (Coupled Model Intercomparison Project) climate database at 1˚ × 1˚ horizontal resolution was used for the predictability of crop yields of the 5 sugarcane varieties in the near future (2021-2050) and far future (2056-2075) to improve the quality of climate services to producers. The statistical methodological approach by multiple linear regression associated with the significativity test shows important and significant coefficients of determination (R 2 > 0.90) between the yields of sugarcane varieties with certain climatic parameters such as minimum and maximum temperatures, insolation, global solar radiation, and potential evapotranspiration. The impact of rainfall has not been directly evaluated because the linear models do not explicitly show sensitivities to this parameter and the total water requirements for the plot are completely assured by irrigation. The future climate projections analyzed only from extreme thermal parameters (Tmax and Tmin) highlight their strong sensitivities with yields from an idealized model. In this model, we have assumed that the water supply needed by sugarcane is always met by irrigation on different plots.

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Section: Discussionmentioning

confidence: 99%

Climate Impact on the Productivity of Sugarcane Varieties in Ferke1 Industrial Plantations

Dosso,

Yoroba,

Kouassi

et al. 2023

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“…Monthly average temperatures fluctuate between 24.2°C in August and 27.4°C in March, while average monthly relative humidity varies from 78% in January to 87% in September (Kablan, 2016) . Rainfall patterns also display significant variability, with average monthly precipitation ranging from 23 mm in January to 525 mm in June (Kouassi et al, 2020).…”

Section: Study Areamentioning

confidence: 99%

Anthropophilic Small Mammals: Potential Source of Zoonotic Enteric Parasites in the Commune of Abobo, District of Abidjan (Côte d’Ivoire)

Tuo,

Akpatou,

Coulibaly

et al. 2023

VMPH

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Objectives: This study aims to identify and assess intestinal parasites with zoonotic potential in terrestrial small mammals to better understand the associated risks. Methods: Live captures were performed using Sherman traps placed in human dwellings within the Abobo commune of Abidjan. Captured animals were euthanized and their legs were thoroughly washed with a Sodium Acetate Acetic Acid Formol solution. Subsequently, the digestive tract contents and leg washing fluids were examined using the Ritchie concentration method. Results: Mus musculus (75.3%) and Rattus rattus (13.5%) emerged as the most prevalent of small mammal species. Overall, 33.3% of these animals were infected with intestinal parasites. The predominant helminth species were Hymenolepis diminuta (8.9%) and Ancylostoma sp. (6.9%), while the primary pathogenic protozoa detected was Giardia intestinalis (2.3%). Conclusion: The presence of parasites of public health importance proves that cohabitation of small mammals with humans poses a significant risk to both public and veterinary health. These data therefore provide valuable information to local and provincial administrations, which should consider population control measures for small mammals to mitigate the transmission of zoonotic diseases to humans. They also provide information to medical practitioners for the diagnosis of possible zoonoses, and a reference for further studies in urban environments in Cote d'Ivoire.

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“…This study was carried out in Cocody in the city of Abidjan in the south of Côte d'Ivoire. The corresponding climate is of the subequatorial type (Kouassi et al, 2020) characterized by high rainfall and a high degree of humidity. Daytime temperatures vary on average from 27,7 °C to 29,8 °C annually (Ahoussi et al, 2012) and abundant rainfall reaches 525 mm (Kouassi et al, 2020).…”

Section: Study Sitementioning

confidence: 99%

“…The corresponding climate is of the subequatorial type (Kouassi et al, 2020) characterized by high rainfall and a high degree of humidity. Daytime temperatures vary on average from 27,7 °C to 29,8 °C annually (Ahoussi et al, 2012) and abundant rainfall reaches 525 mm (Kouassi et al, 2020). The temperature and humidity during this study were 28°C and 70%, respectively (Fatchurochim et al, 1989;Nguyen et al, 2013).…”

Section: Study Sitementioning

confidence: 99%

Optimization of the production of black soldier flies Hermetia Illucens by controlling biological parameters in Côte d'Ivoire

Akpesse¹,

Wodjé

Danielle³

et al. 2022

JAB

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This study was conducted at the ENS vivarium located at the UFHB of Cocody in the city of Abidjan in the south of Ivory Coast, with a temperature of about 28° C and a humidity of about 70%. It aimed to study some biological parameters of the black soldier fly Hermetia illucens. For achieve this goal, it was a question of studying the different stages of development of the black soldier fly and also studying the evolution of its growth parameters. The flies were captured, kept in an aviary and observed from the fly stage to the end of the pupal stage (emergence of the first flies). Data on the duration of the different stages of development and the evolution of larval growth parameters (average weight, length, width, Fulton index, length/width ratio, survival and mortality rate of larvae) have been taken. This study revealed that the life cycle of Hermetia illucens is between 31 and 43 days, with an incubation time of eggs that lasts 2 days, a larval phase of 14 days, a pupation of 10 days and a duration of adult life of 8 days on average. In addition, this study reports a low mortality rate of larvae (3.45%), larvae much longer (19.46 mm), wider (6 mm) and plumper.

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Analyse des impacts des changements climatiques sur les normes hydrologiques en Afrique de l’Ouest : cas du district d’Abidjan (sud de la Côte d’Ivoire)

Abstract: Tous droits réservés © Revue des Sciences de l'Eau, 2020 Ce document est protégé par la loi sur le droit d'auteur. L'utilisation des services d'Érudit (y compris la reproduction) est assujettie à sa politique d'utilisation que vous pouvez consulter en ligne.

Cited by 8 publications

References 13 publications

Climate Impact on the Productivity of Sugarcane Varieties in Ferke1 Industrial Plantations

Climate Impact on the Productivity of Sugarcane Varieties in Ferke1 Industrial Plantations

Anthropophilic Small Mammals: Potential Source of Zoonotic Enteric Parasites in the Commune of Abobo, District of Abidjan (Côte d’Ivoire)

Optimization of the production of black soldier flies Hermetia Illucens by controlling biological parameters in Côte d'Ivoire

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