Browsing by Subject "Organochlorine pesticides"
Now showing items 1-8 of 8
-
Agrochemicals in freshwater systems and their potential as endocrine disrupting chemicals: a South African context
(Elsevier, 2021)South Africa is the largest agrochemical user in sub-Saharan Africa, with over 3000 registered pesticide products. Although they reduce crop losses, these chemicals reach non-target aquatic environments via leaching, spray ... -
Biomarkers in tigerfish (Hydrocynus vittatus) as indicators of metal and organic pollution in ecologically sensitive subtropical rivers
(Elsevier, 2018)Studies have shown high levels of contamination of both metals and organochlorine pesticides (OCPs) in aquatic systems of the world renowned Kruger National Park, South Africa. With effects evident in top predators, ... -
DDTs and other organochlorine pesticides in tissues of four bird species from the Rift Valley region, Ethiopia
(Elsevier, 2017)Despite the presence of a wide variety and number of birds, there is exceedingly little data on organochlorine pesticide (OCP) residues in birds inhabiting in Africa. In the present study, concentrations of dichlorodiphe ... -
Distribution and health risk assessment of organochlorine pesticides (OCPs) residue in edible cattle tissues from northeastern part of Egypt: high accumulation level of OCPs in tongue
(Elsevier, 2016)Food consumption is an important route of human exposure to organochlorine pesticides (OCPs). In order to assess the potential human health risks associated with OCPs, edible cattle tissues (liver, kidney and tongue) were ... -
Insights into the drivers of histopathological changes and potential as bio-indicator of riverine health of an aquatic apex predator from a premier conservation area: a multiple lines of evidence and multivariate statistics approach
(Elsevier, 2017)There is a need for sensitive bio-monitoring and indicator tools in toxicant impact assessment to show the effect on fish health. Histopathological assessment of fish tissue is a bio-monitoring tool allowing for early ... -
Organochlorine pesticide exposure levels and haemoparasite infections as health parameters for leopards in South Africa
(North-West University (South Africa), 2023)Compared to aquatic ecosystems, limited information exists on associated health parameters influencing terrestrial vertebrates, specifically large carnivores, and discussions around wildlife health measures are currently ... -
Seasonal Bioaccumulation of Organohalogens in tigerfish, Hydrocynus vittatus Castelnau, from Lake Pongolapoort, South Africa
(Springer, 2012)The study determined current exposure of tigerfish in Lake Pongolaqpoort to organohalogens. Levels of DDT, PCB, HCB, HCH, PBDE and CHLs were measured in tigerfish muscle on a seasonal basis. Historical use of DDT was ... -
Trophic transfer of pollutants within two intertidal rocky shore ecosystems in different biogeographic regions of South Africa
(Elsevier, 2020)Tsitsikamma and Sheffield Beach are two relatively pristine sites along the South African east coast representing warm temperate and subtropical biogeographic rocky shore intertidal ecosystems, respectively. Stable isotopes ...