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Browsing by Author "Newman, Brent K"

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Biological toxicity estimates show involvement of a wider range of toxic compounds in sediments from Durban, South Africa than indicated from instrumental analyses

Author: Vogta, T ; Pieters, R ; Giesy, J ; Newman, Brent K Date: Jan 2019 The toxic equivalences (TEQs) of polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) from sediment of aquatic systems in Durban, South Africa were determined in two ways: 1) TEQs of PAHs and PCBs were determined by ... Read more
Brominated flame-retardants in Sub-Saharan Africa: burdens in inland and coastal sediments in the eThekwini Metropolitan Municipality, South Africa

Author: La Guardia, MJ ; Hale, RC ; Newman, Brent K Date: Sep 2013 Brominated flame-retardant (BFR) additives are present in many polymeric consumer products at percent levels. High environmental concentrations have been observed near cities and polymer, textile and electronics manufacturing centers. Most ... Read more
Global occurrence of anti-infectives in contaminated surface waters: Impact of income inequality between countries

Author: Segura, PE ; Takada, H ; Correa, JA ; Saadi, KE ; Koike, T ; Onwona-Agyeman, S ; Ofosu-Anim, J ; Sabi, EB ; Wasonga, OV ; Mghalu, JM ; Dos Santos Junior, AM ; Newman, Brent K ; Weerts, Steven P ; Yargeau, V Date: Jul 2015 The presence anti-infectives in environmental waters is of interest because of their potential role in the dissemination of anti-infective resistance in bacteria and other harmful effects on non-target species such as algae and shellfish. ... Read more
In vitro screening for endocrine disruptive activity in selected South African harbours and river mouths

Author: Truter, JC ; Van Wyk, JH ; Newman, Brent K Date: Dec 2015 Various waterborne anthropogenic contaminants disrupt the endocrine systems of wildlife and humans, targeting reproductive pathways, among others. Very little is known, however, regarding the occurrence of endocrine disruptive activity in ... Read more
Latitudinal gradients and poleward expansion of mangrove ecosystems in South Africa: 50 years after Macnae’s first assessment

Author: Peer, N ; Rajkaran, A ; Miranda, NAF ; Taylor, RH ; Newman, Brent K ; Porri, F ; Raw, JL ; Mbense, SP ; Adams, JB ; Perissinotto, R Date: Jul 2018 Mangroves occur in South African estuaries at their poleward distribution limits, extending into temperate habitats. In 1963, William Macnae published the first comprehensive assessment of mangrove swamps in South Africa and made firsthand ... Read more
Marine outfalls monitoring at the CSIR: Evaluating the impact of wastewater discharge on our marine environment

Author: Arabi, Sumaiya ; Newman, Brent K ; Weerts, Steven P Date: Oct 2012 The impact of wastewater discharge on the marine environment requires careful monitoring. The CSIR’s Marine Outfalls Monitoring Programme has a history of 45 years, and continues to build capacity in the field of marine pollution research ... Read more
PAHs, OCPs and PCBs in sediments from three catchments in Durban, South Africa

Author: Vogt, T ; Pieters, R ; Newman, Brent K Date: Apr 2018 Polycyclic aromatic hydrocarbons (PAHs), organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) were analysed from sediment samples collected in 2012 from rivers, surface runoff canals and estuaries in three highly urbanised ... Read more
Sulfonamide and tetracycline resistance genes in total- and culturable-bacterial assemblages in South African aquatic environments

Author: Suzuki, S ; Ogo, M ; Koike, T ; Takada, H ; Newman, Brent K Date: Aug 2015 Antibiotic resistant bacteria are ubiquitous in the natural environment. The introduction of effluent derived antibiotic resistance genes (ARGs) into aquatic environments is of concern in the spreading of genetic risk. This study showed the ... Read more
Tri-locus sequence data reject a ‘‘Gondwanan origin hypothesis” for the African/South Pacific crab genus Hymenosoma

Author: Teske, PR ; McLay, CL ; Sandoval-Castillo, J ; Papadopoulos, I ; Newman, Brent K ; Griffiths, CL ; McQuaid, CD ; Barker, NP ; Borgonie, G ; Beheregaray, LB Date: Oct 2009 Crabs of the family Hymenosomatidae are common in coastal and shelf regions throughout much of the southern hemisphere. One of the genera in the family, Hymenosoma, is represented in Africa and the South Pacific (Australia and New Zealand). ... Read more

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Browsing by Author "Newman, Brent K"

Browsing by Author "Newman, Brent K"

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