Vol. 40 No. 1 (2014)

Published: 2014-01-28

Who wants to be an agent? A framework to analyse water politics and governance

R Meissner

1-10

DOI:

10.4314/wsa.v40i1.

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Water for firefighting in five South African towns

HM Myburgh, HE Jacobs

11-18

DOI:

10.4314/wsa.v40i1.2

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Spatio-temporal attributes of water temperature and macroinvertebrate assemblages in the headwaters of the Bushmans River, southern Drakensberg

S Grab

19-26

DOI:

10.4314/wsa.v40i1.3

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The potential for a fish ladder to mitigate against the loss of marine–estuarine–freshwater connectivity in a subtropical coastal lake

SP Weerts, CF MacKay, DP Cyrus

27-38

DOI:

10.4314/wsa.v40i1.4

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A choice experiment application to estimate willingness to pay for controlling excessive recreational fishing demand at the Sundays River Estuary, South Africa

DE Lee, SG Hosking, M du Preez

39-48

DOI:

10.4314/wsa.v40i1.5

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The adsorptive removal of a cationic drug from aqueous solution using poly (methacrylic acid) hydrogels

SK Bajpai, N Chand, M Mahendra

49-56

DOI:

10.4314/wsa.v40i1.6

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Rainfall pattern effects on crusting, infiltration and erodibility in some South African soils with various texture and mineralogy

AD Nciizah, IIC Wakindiki

57-64

DOI:

10.4314/wsa.v40i1.7

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Lead and zinc removal with storage period in porous asphalt pavement

Y Zhao, C Zhao

65-72

DOI:

10.4314/wsa.v40i1.8

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Chemical aspects of peracetic acid based wastewater disinfection

T Luukkonen, J Teeriniemi, H Prokkola, J Rämö, U Lassi

73-80

DOI:

10.4314/wsa.v40i1.9

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Anaerobic ammonium oxidation in the old trickling filters at Daspoort Wastewater Treatment Works

J Wilsenach, L Burke, V Radebe, M Mashego, W Stone, M Mouton, A Botha

81-88

DOI:

10.4314/wsa.v40i1.10

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Technical note: Significance and determination of fraction of non-separable particles of impurities in water purification

P Polasek

89-95

DOI:

10.4314/wsa.v40i1.11

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Satellite-based annual evaporation estimates of invasive alien plant species and native vegetation in South Africa

WML Meijninger, C Jarmain

95-108

DOI:

10.4314/wsa.v40i1.12

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A finite velocity simulation of sedimentation behaviour of flocculating particles – A real-time model evaluation

NP Sithebe, BG Methula, EMN Chirwa

109-116

DOI:

10.4314/wsa.v40i1.13

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The decomposition of estuarine macrophytes under different temperature regimes

DA Lemley, GC Snow, LRD Human

117-124

DOI:

10.4314/wsa.v40i1.14

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Modelling the change in the oxidation coefficient during the aerobic degradation of phenol by acclimated activated sludge

CC Lobo, NC Bertola, EM Contreras

125-132

DOI:

10.4314/wsa.v40i1.15

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Geographical differences in the relationship between total dissolved solids and electrical conductivity in South African rivers

H van Niekerk, MJ Silberbauer, M Maluleke

133-138

DOI:

10.4314/wsa.v40i1.16

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Characteristics of a bioflocculant produced by a consortium of Cobetia and Bacillus species and its application in the treatment of wastewaters

AM Ugbenyen, AI Okoh

140-144

DOI:

10.4314/wsa.v40i1.17

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The impact of smallholder irrigation on household welfare: The case of Tugela Ferry irrigation scheme in KwaZulu-Natal, South Africa

S Sinyolo, M Mudhara, E Wale

145-156

DOI:

10.4314/wsa.v40i1.18

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Response of phytoplankton assemblages isolated for short periods of time in a hyper-eutrophic reservoir (Lake Chivero, Zimbabwe)

L Mhlanga, W Mhlanga, P Tendaupenyu

157-164

DOI:

10.4314/wsa.v40i1.19

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Removal of pharmaceuticals in WWTP effluents by ozone and hydrogen peroxide

G Hey, SR Vega, J Fick, M Tysklind, A Ledin, J la Cour Jansen, HR Andersen

165-174

DOI:

10.4314/wsa.v40i1.20

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Fluorescent sensing and determination of mercury (II) ions in water

P Ncube, RWM , Krause, DT Ndinteh, BB Mamba

175-182

DOI:

10.4314/wsa.v40i1.21

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Measurement of faecal sludge in-situ shear strength and density

JT Radford, S Sugden

183-188

DOI:

10.4314/wsa.v40i1.22

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