Essays about: "heavy metal contamination"

Showing result 11 - 15 of 22 essays containing the words heavy metal contamination.

  1. 11. Upptag av tungmetaller i maskros (Taraxacum officinale) : förekomst och påverkan av bly och kadmium vid odling i Malmö stad

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Emma Lundström; [2017]
    Keywords : tungmetaller; upptag; urban odling; växter; skyddsmekanismer; kontaminering;

    Abstract : För att få en uppfattning av innehållet av tungmetall i urbant odlade grödor analyserades halterna av bly och kadmium i maskrosor (Taraxacum officinale) och jordprov från i Malmö stad. Provpunkterna fördelades brett i staden och kategoriserades efter markanvändning och grad av förorening. READ MORE

  3. 12. Waste management and impact on people's health when cultivating on sites contaminated with heavy metals : Minor field study made in Zomba, Malawi

    University essay from SLU/Dept. of Soil and Environment

    Author : Sofie Orvestedt; [2015]
    Keywords : heavy metals; contamination; waste disposal; food safety; health impact; contaminated soil;

    Abstract : This minor field study was executed in Zomba, Malawi, where land for cultivation is scarce, resulting in cultivation at potentially contaminated sites. Waste dumps are one of the main sources of heavy metal contamination and excessive levels in soil might lead to elevated levels in crops which can cause severe health effects. READ MORE

  4. 13. Spatial distribution of heavy metals in surface marine sediments in the Mediterranean region

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Dimitra Kampezidou; [2015]
    Keywords : heavy metals; pollution; spatial distribution; surface marine sediments; Mediterranean Sea; enrichment factor;

    Abstract : Several scientific articles were mainly reviewed from Umeå’ s university database in order to determine the distribution, degree of contamination, and the sources of 7 selected heavy metals (Cr, Pb, Cu, Zn, Cd, Hg, Ni) in surface sediments along the coasts of the Mediterranean Sea. The Enrichment factor (EF) was used as pollution indicator to evaluate the extent of metal contamination in all the investigated areas. READ MORE

  5. 14. The impact of waste handling on small-scale farming in Malawi

    University essay from SLU/Dept. of Soil and Environment

    Author : Sabina Braun; [2015]
    Keywords : soil management; poverty; land use; fertilisers; agriculture; food security;

    Abstract : This study assess the impact of human waste and household garbage on the concentrations of heavy metals in arable land on two sites located close either to a waste collecting point (WD) or waste water treatment plant (WWTP). Malawi suffers from poverty, low food security and problems with access to land. READ MORE

  6. 15. INVESTIGATION OF HEAVY METAL POLLUTION AND HEALTH RISKS DUE TO FARMING ACTIVITIES ON A FORMER DUMPSITE IN DAR ES SALAAM, TANZANIA

    University essay from KTH/Industriell ekologi

    Author : Caroline Hansson; Linnea Heiskala; [2014]
    Keywords : ;

    Abstract : The heavy metal pollution from a former solid waste disposal site in Dar es Salaam, Tanzania, that is currently used for urban farming was investigated. The pollution was assessed by measuring the content of copper, lead, zinc and chromium in soil, plants and leachate from the site as well as in the adjacent river. READ MORE