Objective: The Tanoé-Ehy Forest (FMTE) has been identified as a top priority site for primate conservation in West Africa. Pending the completion of the measures of its final classification in protected area, anthropic pressures are constantly nibbling the types of habitat that the FMTE contains. The objective of the present study was to analyze the spatial and temporal evolution of this forest from 1986 to 2016. The study consisted in mapping and following through Landsat satellite images from 1986, 2000, and 2016 the dynamics of the land use that constitute the FMTE. To better understand the underpinnings of this evolution, based on anthropogenic threats, surveys were carried out in the five villages closest to the forest. Treatments show a 10% degradation of swamp forest area to degraded forests in 30 years. The habitats temporarily flooded forests remained intact during this 30 years period, reflecting efforts to maintain the integrity of the FMTE. Surveys have shown that the types of pressure and their intensity vary from peripheral villages. Overall, this involves wood harvesting and hunting. In view of the importance of the FMTE in terms of a particular ecosystem and the conservation of biodiversity, it is desirable and urgent that, in addition to awareness-raising campaigns for local populations, the process of its final ranking be accelerated to end its degradation.
In Côte d'Ivoire, Azagny National Park has a small forest elephants population, described as isolated, self-contained and whose survival depends on the diversity of local biological resources. A study was undertaken to assess the diversity of the plant species consumed and the feeding preference of this large mammal. Pedestrian surveys were carried out in the different biotopes traveled by the elephants during one year, in search of fresh and old traces of nutrition and droppings. As a result of these inventories, six organs of 282 plant species have been identified has consumed by elephant. In this plant species list, three families are the most represented: the Apocynaceae, the Euphorbiaceae and the Rubiaceae. Among the elephant diet, five species appear to be the most consumed: Aframomum melegueta (1.45%), Aframomum sceptrum (1.45%), Sacoglottis gabonensis (1.27%), Echinochloa pyramidalis (1.2%) and Albizia adianthifolia (1.2%). Considering the number and type of organs harvested from plants, the study reveals that they varied from one species to another well. In general, leaves (256 species 90.8%) and fruits (95 species or 33.7%) have emerged as the most consumed organs of elephants. In view of this diet importance in elephant survival in the park, it would be important to identify the type of species consumed seasonally and to assess their availability in each of the biotopes traveled.
Côte d’Ivoire’s rural areas adjacent to the state-owned areas of the southern half of the country, such as classified forests, are experiencing significant migratory flows due to their agricultural potential. The population movements in these rural areas have changed the rural landscape. The general objective of this study was to identify the peasant innovations implemented in these rural areas adjacent to the state’s forest domains in a context of land saturation caused by migratory flows. This objective was elucidated from the case of the classified forest of Haut-Sassandra (CFHS). To achieve this, surveys were conducted in 11 villages on the periphery of the FCHS to determine the profile of planters and the main crops grown. Subsequently, floristic inventories were carried out on farms to analyse the diversity of associated species. Analyses showed that the rural populations of the CFHS are mainly composed of Allochthones (64%). Four innovative production systems were identified: a cashew-based production system, a cocoa-based production system, a coffee-based production system and a coffee- and cocoa-based production system. These farmer innovations based on agroforestry practices make it possible to restore impoverished lands and fight against climatic hazards. Consequently, these local practices deserve to be popularised in areas of strong land pressure as strategies to overcome the shortage of arable land and fluctuating prices of agricultural production.
Background and Objectives: Scientific data on the floristic diversity of the residual forest fragments of the classified forest of Dassioko are lacking in Côte d'Ivoire. This study was conducted to improve knowledge of residual forest fragments in the classified forests of Côte d'Ivoire. Materials and methods: In order to characterize the different types of land use in the Dassioko classified forest, a raster image of the study area was downloaded and image processing was performed. Plots were set up, and floristic inventories were conducted in the plots. The analyses were carried out through the richness, floristic composition, and structural diversity of the vegetation Main results: This study identified 5 land use classes in the Dassioko Classified Forest. These are natural forests, forest plantations, crops, bare soil/new clearings, and water bodies. The residual forest fragments of the Dassioko Classified Forest contain 119 plant species divided into 46 families and 110 genera. The dense forests contain a large number of species. In the area, we note the presence of 12 vulnerable species according to the IUCN red list. The distribution of stems by diameter classes presents an inverted J shape. Conclusion: The floristic diversity in each of the zones is significant with a number of special status species that justify the importance that the Dassioko forest could have in conservation if a rehabilitation plan is put in place before the destruction of the entire forest.
The impacts of human activities have serious consequences for vegetation cover and the survival of plant species. This is the case of the Soubré Biodiversity Refuge Area, located in the southwest of Côte d'Ivoire. The general objective of this study is to assess the floristic diversity and the level of plant species recovery of the Soubré dam biodiversity refuge area since the dam was impounded. The methodology consisted of the installation of 29 plots of 20 x 20 m (400 m 2 ) and a systematic inventory of the flora within them. At the end of these inventories, it emerged that the flora of the refuge zone is rich in 143 species divided into 118 genera and 53 families. The area is dominated by small diameter stems. The high pioneer index in the former rubber tree cultivation reflects the very low reconstitution in this habitat.
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