A multivariate examination of 'artificial mussels' in conjunction with spot water tests in freshwater ecosystems.

S. Dahms-Verster , N. J. Baker , R. Greenfield
Environmental Monitoring and Assessment 190 ( 7) 427 -427

4
2018
Innovative fluorescence detection technique for metals in cestode egg-shells

N. Degger , A. Avenant-Oldewage , R. Greenfield
African Zoology 44 ( 2) 204 -207

8
2009
Baseline bio-accumulation concentrations and resulting oxidative stress in Synodontis zambezensis after an acute laboratory exposure to 4,4'-DDT.

C.M. Volschenk , Y. Ikenaka , Y.B. Yohannes , S.M. Nakayama
Pesticide Biochemistry and Physiology 156 44 -55

1
2019
Bacterial levels in the Nyl River system, Limpopo province, South Africa

R Greenfield , JHJ van Vuren , V Wepener
African Journal of Aquatic Science 35 ( 1) 55 -59

4
2010
Heavy metal concentrations in the water of the Nyl River system, South Africa

R Greenfield , JHJ van Vuren , V Wepener
African Journal of Aquatic Science 37 ( 2) 219 -224

15
2012
Use of diatom indices to categorise impacts on and recovery of a floodplain system in South Africa

R Musa , R Greenfield
African Journal of Aquatic Science 43 ( 1) 59 -69

2
2018
Biomarker responses in African sharptooth catfish, Clarias gariepinus (Burchell, 1822), as indicators of potential metal and organic pollution along the Vaal River system, South Africa

LJ Connell , GR Jansen van Rensburg , A Avenant-Oldewage , R Greenfield
African Journal of Aquatic Science 45 ( 3) 317 -328

1
2020
Blood lactate levels as a biomarker for angling-induced stress in tigerfish Hydrocynus vittatus from the Okavango Delta, Botswana

N J Smit , G Howatson , R Greenfield
African Journal of Aquatic Science 34 ( 3) 255 -259

16
2009
An integrated biomarker assessment of biochemical responses in a freshwater fish species after vanadium pentoxide (V2O5) exposure

K Beine , S Dahms-Verster , R Greenfield
Fish Physiology and Biochemistry 48 ( 5) 1221 -1233

2022
Physiological response of Smallmouth Yellowfish to angling: Impact of angling duration, fish size, fish age, sexual maturity, and temperature

N Smit , Ruan Gerber , Gordon O’Brien , R Greenfield
Water Research Commission, Pretoria. WRC Report No. KV 285 ( 11)

3
2011
23
2007
1
2021
A survey and DNA barcoding of the molluscs and barnacles of Robben Island

FH van der Bank , R Greenfield
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie 31 ( 1) 1 -1

2012