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Djadeu Nguemedyam Colette, Organization and Sharing of Knowledge on Selective Household Waste Collection for Hygiene and Sanitation in the City of Yaoundé, Cameroon in:

International Society for Knowledge Organziation (ISKO), Marianne Lykke, Tanja Svarre, Mette Skov, Daniel Martínez-Ávila (Ed.)

Knowledge Organization at the Interface, page 543 - 545

Proceedings of the Sixteenth International ISKO Conference, 2020 Aalborg, Denmark

1. Edition 2020, ISBN print: 978-3-95650-775-5, ISBN online: 978-3-95650-776-2, https://doi.org/10.5771/9783956507762-543

Series: Advances in Knowledge Organization, vol. 17

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Djadeu Nguemedyam Colette – University of Yaoundé 2, Cameroon Organization and Sharing of Knowledge on Selective Household Waste Collection for Hygiene and Sanitation in the City of Yaoundé, Cameroon Abstract: With reference to Michel Beau who conceives knowledge organization as the ability to model a documentary memory that functions as a physical extension of our individual memory, thus allowing the dynamic sharing of a space for knowledge capitalization (knowledge base) and knowledge transmission, both reactive and prospective , our poster explains the use of knowledge organization models in social marketing and communication for development. The target audience here is community , the inhabitants of a city. In other words, the aim was to decipher th extent to which this model is applied in the management of local authority in order to encourage the adoption of behaviour deemed to be favourable to the general interest. This study focuses specially on the organization and sharing of knowledge on the selective collection of household waste to the populations of the city of Yaoundé in Cameroon, with a view to promoting the recycling and recovery of waste by category. In this sense,we have carried out a critical analysis of the means and mechanisms deployed by the actors of hygiene and sanitation of this city, to organize and make available to the pubic, the knowledge and know-how related to the sorting of garbage. Interviews with resource persons in the field of household waste management and sorting within the organisations concerned in the city of Youndé, the use of their documentation, participant observation and an opinion poll of the inhabitants of Yaoundé enabled us to trace the circuit of waste collection and management in Youndé on the one hand, and that of knowledge in the field of waste sorting on the other hand. It emerges that, despite its impact on health of the populations, knowlodge on waste sorting is disseminated in the city of Yaoundé in a marginal way, precisely according to the capitalist interests of the actors;while the knowledge needs of the populations on the issues are widely expressed. In addition to improving the system for collection of recyclable waste, a digital application on waste sorting in Yaoundé could help raise the awareness of its inhabitants by answering precisely the questions they have on this topic. 1.0 Research question How is knowledge on household waste sorting organised and shared with the inhabitants of the city of Yaoundé to promote their effective involvement at this level of waste management? How could the principles of knowledge organisation help meet the knowledge needs of the inhabitants of Yaoundé in this respect? 2.0 Motivation of the research in relation to knowledge organization and the conference theme The use of knowledge organisation models in social marketing and communication for development to promote the adoption of behaviour of general interest. 3.0 Methodology Interviews were conducted with resource persons in the field of household waste management and sorting in the following institutions : Yaoundé Urban Community, HYSACAM, Namé Recycling, , Solidarité technologique, Era Cameroon. Documents received from this institutions permitted the constitution of a research corpus. The study population considered for the survey was made up of 150 persons living in the 7 district areas of the city of Yaounde. 544 Participant observation was conducted at the Hysacam processing plant (Nkolfoulou) and with the local population. 4.0 Major findings In the city of Yaoundé in Cameroon, household waste collection is the subject of a contract between the Yaoundé Urban Community and Hysacam (Hygiene and Sanitation of Cameroon). The latter is responsible for collecting all the waste produced by households in the city and dispositing it its dumping zone . According to epidemiological data from the Ministry of Public Health, in 2019, hygiene-related diseases are the top five reasons for consultation and hospitalization in all regions of the country. The urban environment is essentially unhealthy, and poor management of solid, liquid, gaseous and radioactive waste remains a major public health concern throughout the country. Figure 1: River in the valley between the hills of Mvolyé and Ngoekélle, Yaoundé 3, taken on 22 December 2019 at 16h One of the most visible consequences of the lack of waste sorting in the city of Yaoundé is the overloading of waterways with plastic bottles. This favours the stagnation of water and the proliferation of mosquitoes which are malaria vectors. According to our survey, 71% of our sample do not sort household waste due to a lack of interest or real motivation. They seem to express a need for knowledge about the methodology for sorting their household waste (what to sort? and what to do with the sorted waste?). Moreover, although they are aware of the importance of sorting waste against environmental pollution, they seem to need incentives and facilitation measures initiated by the competent authorities in this area, such as the provision of selective garbage bins. The civil society organizations involved in hygiene and sanitation are the only ones to bring to households the knowledge on the sorting of household waste. This is limited to the pragmatic aspects: separate them and we will take them off your hands. In addition, the channels for disseminating this knowledge are limited to specific areas or neighbourhoods. Hence the low rate of practice of waste sorting (29% of our sample). Sorting household waste in Yaoundé is essentially a commercial activity, and the knowledge shared by the actors involved is mainly about the monetary value of the 545 waste. Waste that is bought back cheaper or not bought back at all on the Cameroonian waste market is not sorted. They are buried or abandoned in gutters and then end up in rivers, regardless of the negative consequences for the environment and the health of the inhabitants. This is precisely the case for plastic bottles and packaging. In addition to the implementation of a model of household waste management that effectively involves the population in the practice of sorting, the needs of the inhabitants of Yaounde for knowledge on the interest of sorting both for the environment and for their health are important 5. Conclusion No principle of knowlegde organisation seems to be applied for the time being in the framework of this awareness raising exercise. However, it would be beneficial to model low cost digital knowledge organistion tool (Paraponaris and Simoni 2006), that should allow the Ministry of Public Health, in partnership with the Yaoundé urban community, to share with the inhabitants of Yaoundé, in a dynamic way, knowledge that should answer their specific questions which include: 1. Why sort waste (individual and collective benefit)? 2. How do you sort waste? 3. What to do with the sorted waste? 4. What happens to the waste once it has been sorted? 5. What are the consequences of unsorted waste on my health and my environment? References Paraponaris, Claude and Gilda Simoni. 2006. “Diffusion des Connaissances et Outils de Gestion.” Revue Française de Gestion 166, no. 7: 69-92. doi:10.3166/rfg.166.69-94.

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Abstract

The proceedings explore knowledge organization systems and their role in knowledge organization, knowledge sharing, and information searching.

The papers cover a wide range of topics related to knowledge transfer, representation, concepts and conceptualization, social tagging, domain analysis, music classification, fiction genres, museum organization. The papers discuss theoretical issues related to knowledge organization and the design, development and implementation of knowledge organizing systems as well as practical considerations and solutions in the application of knowledge organization theory. Covered is a range of knowledge organization systems from classification systems, thesauri, metadata schemas to ontologies and taxonomies.

Zusammenfassung

Der Tagungsband untersucht Wissensorganisationssysteme und ihre Rolle bei der Wissensorganisation, dem Wissensaustausch und der Informationssuche. Die Beiträge decken ein breites Spektrum von Themen ab, die mit Wissenstransfer, Repräsentation, Konzeptualisierung, Social Tagging, Domänenanalyse, Musikklassifizierung, Fiktionsgenres und Museumsorganisation zu tun haben. In den Beiträgen werden theoretische Fragen der Wissensorganisation und des Designs, der Entwicklung und Implementierung von Systemen zur Wissensorganisation sowie praktische Überlegungen und Lösungen bei der Anwendung der Theorie der Wissensorganisation diskutiert. Es wird eine Reihe von Wissensorganisationssystemen behandelt, von Klassifikationssystemen, Thesauri, Metadatenschemata bis hin zu Ontologien und Taxonomien.