Search Results - "Voua Otomo, Patricks"

Local-Scale DNA Barcoding of Afrotropical Hoverflies (Diptera: Syrphidae): A Case Study of the Eastern Free State of South Africa by Kamdem, Michel Mathurin, Ramoejane, Mpho, Voua Otomo, Patricks

“…The Afrotropical hoverflies remain an understudied group of hoverflies. One of the reasons for the lack of studies on this group resides in the difficulties to…”
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High Rates of Biochar Soil Amendment Cause Increased Incidences of Neurotoxic and Oxidative Stress in Eisenia fetida (Oligochaeta) Exposed to Glyphosate by Dlamini, Nomasonto Portia, Voua Otomo, Patricks

“…Despite several known beneficial attributes, biochar is suspected to cause harm to soil organisms when present in relatively high quantities in the soil. To…”
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Climate-influenced vector-borne diseases in Africa: a call to empower the next generation of African researchers for sustainable solutions by Obame-Nkoghe, Judicaël, Agossou, Adjoavi Esse, Mboowa, Gerald, Kamgang, Basile, Caminade, Cyril, Duke, Dawn C, Githeko, Andrew Karanja, Ogega, Obed M, Engone Elloué, Nestor, Sarr, Fatou Bintou, Nkoghe, Dieudonné, Kengne, Pierre, Ndam, Nicaise T, Paupy, Christophe, Bockarie, Moses, Voua Otomo, Patricks

“…We look at the link between climate change and vector-borne diseases in low- and middle-income countries in Africa. The large endemicity and escalating threat…”
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Single and mixture toxicity of gold nanoparticles and gold(III) to Enchytraeus buchholzi (Oligochaeta) by Voua Otomo, Patricks, Wepener, V., Maboeta, M.S.

“…•Toxicity of Au-NPs, Au(III) and Au-NPs/Au(III) assessed in the Enchytraeus buchholzi.•No significant effect of Au-NPs on survival and reproduction of E…”
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Probabilistic health risk assessment of heavy metals at wastewater discharge points within the Vaal River Basin, South Africa by Moloi, Mbuyiselwa, Ogbeide, Ozekeke, Voua Otomo, Patricks

“…Recently in South Africa, wastewater treatment plants (WWTP) have come under scrutiny because of increased reports of their ineffectiveness to treat wastewater…”
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Fixed bed mycofilter column optimization and performance evaluation through the removal of a food coloring agent from an aqueous solution by Mnkandla, Sanele M., Voua Otomo, Patricks

“…Mycofiltration via continuous fixed bed adsorption, helped to assess the effect of flow rate, pH, column bed height and myceliation on the sorption capacity of…”
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Effects of imidacloprid on the survival and biomarker responses of Eristalis tenax larvae (Diptera: Syrphidae): a comparative study between indoor and outdoor exposures by Kamdem, Michel Mathurin, Sithole, Sipho, Voua Otomo, Patricks

“…Imidacloprid is a widely used pesticide in agriculture. It is being found in aquatic ecosystems in agricultural regions. This study aimed to evaluate its…”
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Dietary deprivation reduces the deleterious effects of carbaryl on the survival and activity of both catalase and acetylcholinesterase in earthworms by Sithole, Sipho, Nyoka, Ngitheni Winnie-Kate, Kamdem, Michel Mathurin, Otomo, Patricks Voua

“…Dietary restriction (DR) and dietary deprivation (DD) have been shown to be significantly beneficial in terms of lifespan gains and stress alleviation in…”
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Effectiveness of mycofiltration for removal of contaminants from water: a systematic review protocol by Mnkandla, Sanele Michelle, Otomo, Patricks Voua

“…Background Mycofiltration is an environment friendly technology which involves the treatment of contaminated water by passing it through a network of fungal…”
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Behavioural changes and flight response of a mosquito (Culicidae) and an earthworm (Lumbricidae), respectively, after exposure to imidacloprid by Tsotesti, Palesa Andile Adrena, Mazibuko, Simangele Sandra, Nyoka, Ngitheni Winnie-Kate, Mnkandla, Sanele Michelle, Fouché, Tanya, Otomo, Patricks Voua

“…A major point of concern in ecotoxicology is the effects of pesticides on nontarget organisms. This can impact the ecological role played by certain beneficial…”
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Avoidance behaviour of Enchytraeus albidus (Oligochaeta) after exposure to AgNPs and AgNO3 at constant and fluctuating temperature by Dioh Lobe, Pascaline Diale, Filser, Juliane, Voua Otomo, Patricks

“…We conducted avoidance tests at fixed (20 °C) and fluctuating temperature (15/25 °C) for 2 and 7 days to assess the effects of temperature regime and duration…”
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Two novel bioassays useful for the quick assessment of chemical effects on the behavior of mosquito larvae (Culicidae) and adult earthworms (Lumbricidae) by Mnkandla, Sanele Michelle, Otomo, Patricks Voua

“…The behavior, i.e., observable response of an organism can serve as a useful indicator of environmental quality. In the absence of death and other sublethal…”
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Habitat components and population density drive plant litter consumption by Eudrilus eugeniae (Oligochaeta) under tropical conditions by KAMDEM, Michel Mathurin, NGAKOU, Albert, YANOU NJINTANG, Nicolas, VOUA OTOMO, Patricks

“…The ingestion of organic and mineral materials by earthworms is a prominent functional role that has profound consequences for the decomposition and…”
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Biochar alleviates the toxicity of imidacloprid and silver nanoparticles (AgNPs) to Enchytraeus albidus (Oligochaeta) by Nyoka, Ngitheni Winnie-Kate, Kanyile, Sthandiwe Nomthandazo, Bredenhand, Emile, Prinsloo, Godfried Jacob, Voua Otomo, Patricks

“…The present study investigated the use of biochar for the alleviation of the toxic effects of a nanosilver colloidal dispersion and a chloronicotinyl…”
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Earthworm functional group assemblages vary with land cover/use in human-impacted landscapes of Sudano-Guinean area, Cameroon by Kamdem, Michel Mathurin, Wobeng, Nelly Blondelle Momo, Wassouni, Fabrice, Koumba, Ur, Otomo, Patricks Voua

“…The semiarid zones of Cameroon are experiencing rapid land degradation and desertification due to climate change and human activities. Earthworms play a…”
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Investigating a surface water quality monitoring approach for QwaQwa, South Africa, by combining biological in vitro tests and chemical analyses by Avenant, Marinda, Börnick, Hilmar, Graumnitz, Stephanie, Nyoka, Ngitheni, Opeolu, Beatrice, Voua Otomo, Patricks, Schubert, Annika, Schubert, Sara, Vos, Tascha, Jungmann, Dirk

“…IntroductionWater quality assessment is a fundamental requirement for comprehensive water management. Access to water is not exclusively a quantitative issue,…”
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The Afromontane Research Unit: Driving Connections and Capacity Building for the Sustainable Development of Southern African Mountains by Clark, V. Ralph, Mukwada, Geofrey, Hansen, Melissa, Adelabu, Sam, Magaiza, Grey, le Roux, Aliza, Bredenhand, Emile, Otomo, Patricks Voua, Steenhuisen, Sandy-Lynn, Franke, Angelinus, van Tol, Johan, Mathinya, Neo, Makombe, Rodwell

“…Research to inform a sustainable future for southern African mountains as social–ecological systems requires major investment. This is needed to strengthen…”
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The Enchytraeid Reproduction Test (ERT): A Potentially Quick and Affordable Tool for the Assessment of Metal Contaminated Soils in Emerging Economies by Voua Otomo, Patricks, Wahl, Jurie, Maboeta, Mark S.

“…The enchytraeid reproduction test (ERT) was used to assess the ecotoxicity of selected mine tailings and agricultural soils from South Africa. The mine…”
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Combined effects of metal contamination and temperature on the potworm Enchytraeus doerjesi (Oligochaeta) by Voua Otomo, Patricks, Reinecke, Sophie A., Reinecke, Adriaan J.

“…ABSTRACT Cadmium (Cd) and zinc (Zn) toxicity in Enchytraeus doerjesi after 28‐day exposure experiments was studied at 15, 20, and 25 °C. Cd lethal…”
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Molecular Assessment of Commercial and Laboratory Stocks of Eisenia Spp. (Oligochaeta: Lumbricidae) from South Africa by Otomo, Laetitia Voua, Otomo, Patricks Voua, Bezuidenhout, Carlos C, Maboeta, Mark S

“…DNA barcoding was used to investigate laboratory and commercial stocks of Eisenia species from four provinces of South Africa. The COI gene was partially…”
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