the korle lagoon in distress; the stress of urban solid waste in accra, ghana
DESCRIPTION
AGLANU MAWULI LESLIE AND DIVINE ODAME APPIAH DEPARTMENT OF GEOGRAPHY AND RURAL DEVELOPMENT, KWAME NKRUMAH UNIVERSITY OF SCIENCE AND TECHNOLOGY, KUMASI GHANA GEOGRAPHICAL ASSOCIATION CONFERENCE 2012 KWAME NKRUMAH UNIVERSITY OF SCIENCE AND TECHNOLOGY, KUMASI 1 ST TO 4 TH August, 2012 . - PowerPoint PPT PresentationTRANSCRIPT
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THE KORLE LAGOON IN DISTRESS; THE STRESS OF URBAN SOLID WASTE IN ACCRA, GHANA.
AGLANU MAWULI LESLIE AND DIVINE ODAME APPIAH
DEPARTMENT OF GEOGRAPHY AND RURAL DEVELOPMENT, KWAME NKRUMAH UNIVERSITY OF SCIENCE AND TECHNOLOGY, KUMASI
GHANA GEOGRAPHICAL ASSOCIATION CONFERENCE 2012KWAME NKRUMAH UNIVERSITY OF SCIENCE AND TECHNOLOGY, KUMASI
1ST TO 4TH August, 2012
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PRESENTATION OUTLINE Introduction The stress of urban solid waste Profile of study area Methodology Results and discussions Conclusion Recommendation
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INTRODUCTIONThe rapid urbanization in coastal areas particularly in Accra have far exceeded the capacity of metropolitan authorities to cope with its attendant environmental stress.
It is estimated that throughout the country only about 10% of solid wastes generated are properly disposed-off annually.
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THE STRESS OF URBAN SOLID WASTE
The catchment of Korle lagoon has been associated high population density with intensive land use (Kakari et al 2006).
The increase in uncontrolled and unplanned urbanization has
resulted to the indiscriminate disposal of solid waste. (Porter et al., 1997: 9; Chazan, 2002: 1; Wetherall, 2003: 1).
The recent proliferation of plastic bags for packaging have seriously aggravated the negative impact of solid waste menace.
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UNCONTROLLED AND UNPLANNED URBANIZATION
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THE STRESS OF URBAN SOLID WASTE CONT. The Lagoon is heavily silted, the outlet is often
blocked and the water fails to flow into the sea fast enough to avoid becoming stagnant (Boadi and Kuitunene, 2002).
The shallowness and grossly polluted state of
the lagoon has rendered it unsuitable for economic activities since the 1960’s (Biney and Amuzu, 1995; Abraham et al., 2006).
In 1995 the International Development Research Center referred to it as “one of the most polluted places on earth”
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PROFILE/MAP OF THE STUDY AREA
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METHODOLOGY Quantitative and qualitative research method
both field and secondary data were used.
Sampling Design: A simple random sampling technique was used to select
124 respondents from a population of 962,183 (GSS, 2000) using a sample size formula by (Gomez and John, 2010)
Survey mechanism: Partially Pre-Coded Questionnaire, Key Informants Interviews with WMD & AMA Laboratory analysis of water samples for: TSS, TDS, DO,
pH, Eutrophic levels and Heavy metals etc,
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THEORETICAL MODEL OF THE STUDY
Adapted and modified from Barder, 2012
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RESULTS AND DISCUSSION Ghana generates about 4.5 million metric
tons of solid waste annually but only about 10% of it is properly disposed-off (Mensah, 2005).
Statistics provided by the EPA in 2000, showed that the AMA, was only able to collect about 55% of solid waste generated within the city (EPA, 2000).
Accra generates 2,500 tonnes of solid waste per day but only 1,500 tonnes are collected at community waste collection points (WMD, 2012)
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RESULTS AND DISCUSSION CONT. About 60 percent of AMA live in the
catchment of the Korle Lagoon (Abraham et al., 2006).
About 76.6% and 55.5% of the population in the catchment of the Korle lagoon generates sachets/plastics and organic matter respectively daily.
34.7% use public waste collection containers 65.3% uses “bola men” and open dump sites
Use of “bola men” for daily disposal
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COMMUNITY WASTE COLLECTION POINTS
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AN OPEN DUMPSITE BY THE KORLE LAGOON
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RESULTS AND DISCUSSION CONT.
Solid waste disposal at pubic places 14% in public litter bins 30% by littering 56% dispose-off their solid waste
in drains/gutters
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THE KORLE LAGOON ECOLOGICAL RESTORATION PROJECT (KLERP)
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CONCLUSIONS
High Population pressure and negative attitude towards the environment
Poor maintenance culture Waste management companies have mainly
been engaged in collection and semi-controlled dumping.
Lack of funds and the difficulty in acquiring land for disposal
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RECOMMENDATIONS
Promotion of the use of paper bags as well as public education by the AMA and the EPA
The government in collaboration with the waste management companies should provide adequate public waste facilities and ensure frequent collection and proper disposal
Capable companies should empower by the government to create ready markets for recyclable solid wastes
Government should contract competent companies to carry out frequent dredging of the lagoon
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FOOD FOR THOUGHT:Will Accra without filth be a reality or a mirage and will the Korle lagoon still be called a lagoon in the next decade ?
THANK YOU FOR YOUR AUDIENCE