Skip to main content

7 Result(s)

within Nico J. Smit Remove this filter Environment Remove this filter

and

  1. Article

    Open Access

    Using Confocal Microscopy and Pigment Analyses to Detect Adverse Insecticide Effects in non-target Freshwater Diatom species - a proof-of-concept Using Nitzschia palea

    The persistence of insecticides in aquatic environments is a cause of concern and to date hardly any studies have focused on the effects that DDT and deltamethrin have on non-target freshwater diatom communiti...

    Anrich Kock, Wihan Pheiffer, Victor Wepener… in Bulletin of Environmental Contamination an… (2023)

    Download PDF (896 KB) View Article

  2. Article

    Open Access

    Laboratory and field studies on the use of artificial mussels as a monitoring tool of platinum exposure in the freshwater environment

    The artificial mussel (AM) is a passive sampling device that was originally developed for monitoring metal concentrations in the marine environment, but is also increasingly used in freshwater environments. Th...

    Marelize Labuschagne, Sonja Zimmermann, Nico J. Smit… in Environmental Sciences Europe (2021)

    Download PDF (1535 KB) View Article

  3. No Access

    Article

    Biomarker Responses in the Freshwater Shrimp Caridina nilotica as Indicators of Persistent Pollutant Exposure

    Biomarkers are applied as early warning indicators of organisms’ exposure to pollutants. The aim of this study was to utilise a multi-biomarker approach in the freshwater shrimp Caridina nilotica (Decapoda: Atyid...

    Gregg Jansen van Rensburg, Lieven Bervoets… in Bulletin of Environmental Contamination an… (2020)

  4. No Access

    Article

    Linking organochlorine exposure to biomarker response patterns in Anurans: a case study of Müller’s clawed frog (Xenopus muelleri) from a tropical malaria vector control region

    Organochlorine pesticides are highly persistent in aquatic ecosystems. Amphibians, specifically anurans, play an intricate part in the aquatic food web, and have very permeable skin which makes them prone to b...

    Nico J Wolmarans, Louis H Du Preez, Yared Beyene Yohannes… in Ecotoxicology (2018)

  5. No Access

    Article

    Polycyclic aromatic hydrocarbons (PAHs) in sediments from a typical urban impacted river: application of a comprehensive risk assessment

    Soweto and Lenasia, the most densely populated area of South Africa, is simultaneously a thriving metropolis, with a fair share of people still living in squalor conditions directly dependant on the natural re...

    Wihan Pheiffer, Laura P Quinn, Hindrik Bouwman, Nico J Smit… in Ecotoxicology (2018)

  6. No Access

    Article

    Assessment of DDT contamination in house rat as a possible bioindicator in DDT-sprayed areas from Ethiopia and South Africa

    Ethiopia and South Africa are among the few countries to still implement indoor residual spraying with dichloro-diphenyl-trichloroethane (DDT) for malaria vector control. In this study, we investigated the lev...

    Yared Beyene Yohannes, Yoshinori Ikenaka… in Environmental Science and Pollution Resear… (2017)

  7. No Access

    Article

    Application of a Sediment Quality Index for the assessment and monitoring of metals and organochlorines in a premier conservation area

    The physical and chemical characteristics of surface sediments from a leading conservation area, namely the Kruger National Park, were determined in order to identify potential stressors in the systems that ma...

    Ruan Gerber, Nico J. Smit… in Environmental Science and Pollution Resear… (2015)