Vol. 45 No. 4 (2019)

Published: 2019-11-08

Policy implementation considerations for basic services: A South African urban sanitation case

L. Taing

536-546

DOI:

10.17159/wsa/2019.v45.i4.7533

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Evaluation of the responses of institutions and actors to the 2015/2016 El Niño drought in the Komati catchment in Southern Africa: Lessons to support future drought management

L.S. Sifundza, P. van der Zaag, I . Masih

547-559

DOI:

10.17159/wsa/2019.v45.i4.7535

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Drivers and barriers to sustainable fisheries in two peri-urban impoundments in Zimbabwe

Beaven Utete, Crispen Phiri, Tosan B. Fregene

560-567

DOI:

10.17159/wsa/2019.v45.i4.7536

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Impacts of alien plant invasions on water resources and yields from the Western Cape Water Supply System (WCWSS)

David Le Maitre, André Görgens, Gerald Howard, Nick Walker

568-579

DOI:

10.17159/wsa/2019.v45.i4.7538

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Ecological responses of periphyton dry mass and epilithic diatom community structure for different atrazine and temperature scenarios

Adroit Takudzwa Chakandinakira, Tongayi Mwedzi, Tawanda Tarakini, Taurai 3 Bere

580-591

DOI:

10.17159/wsa/2019.v45.i4.7539

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Evaluation of persistent organochlorine pesticides and polychlorinated biphenyls in Umgeni River bank soil, KwaZuluNatal, South Africa

Emmanuel Gakuba, Brenda Moodley, Patrick Ndungu, Grace Birungi

592-607

DOI:

10.17159/wsa/2019.v45.i4.7540

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Laboratory method design for investigating the phytoremediation of polluted water

D.M. Jacklin, I.C. Brink, J. de Waal

608-612

DOI:

10.17159/wsa/2019.v45.i4.7541

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Transport of pore-water oxygen with/without aeration in subsurface wastewater infiltration system

Siqi Wang, Yinghua Li, Haibo Li, Lei Yang

616-623

DOI:

10.17159/wsa/2019.v45.i4.7542

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Finding optimal algal/bacterial inoculation ratio to improve algal biomass growth with wastewater as nutrient source

Le Anh Pham Pham, Julien Laurent, Paul Bois, Adrien Wanko

624-631

DOI:

10.17159/wsa/2019.v45.i4.7543

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Evaluation of acidogenic sludge from anaerobic reactors running at low solids retention times to reduce sludge generation and enhance biogas production

Wilza da Silva Lopes, Ysa Helena Diniz Morais de Luna, Jose Tavares de Sousa, Wilton Silva Lopes, Valderi Duarte Leite

632-637

DOI:

10.17159/wsa/2019.v45.i4.7544

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Quality of water recovered by treating acid mine drainage using pervious concrete adsorbent

A.N. Shabalala, S.O. Ekolu

638-647

DOI:

10.17159/wsa/2019.v45.i4.7545

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The investigation into the adsorption removal of ammonium by natural and modified zeolites: Kinetics, isotherms, and thermodynamics

Min Pan, Mingchuan Zhang, Xuehua Zou, Xuetong Zhao, Tianran Deng, Tong Chen, Xiaoming Huang

648-656

DOI:

10.17159/wsa/2019.v45.i4.7546

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Comparison of refined and non-refined wastewater effect on wheat seed germination and growth under drought

Hassan Heidari, Saman Moradi

657-662

DOI:

10.17159/wsa/2019.v45.i4.7547

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Modelling maize grain yield and nitrate leaching from sludge-amended soils across agro-ecological zones: A case study from South Africa

Z.M. Ogbazghi, E.H. Tesfamariam, J.G. Annandale

663-671

DOI:

10.17159/wsa/2019.v45.i4.7548

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Assessing the influence of DEM source on derived streamline and catchment boundary accuracy

Zama Eric Mashimbye, Willem Petrus De Clercq, Adriaan Van Niekerk

672-684

DOI:

10.17159/wsa/2019.v45.i4.7549

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Assessment of straight and meandering furrow irrigation strategies under different inflow rates

S. Sayari, M. Rahimpour, M. Zounemat-Kermani

685-690

DOI:

10.17159/wsa/2019.v45.i4.7550

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An evaluation of the primary South African standard and guideline for the provision of water for firefighting

CB Mac Bean, A.A. Ilemobade

691-699

DOI:

10.17159/wsa/2019.v45.i4.7551

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Environmental life cycle assessment for potable water production – a case study of seawater desalination and mine-water reclamation in South Africa

T. Goga, E. Friedrich, C.A. Buckley

700-709

DOI:

10.17159/wsa/2019.v45.i4.7552

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Short Communication: The rate of release of Cry1Ab protein from Bt maize leaves into water

Amy du Pisanie, Louis du Preez, Johnnie van den Berg, Rialet Pieters

710-715

DOI:

10.17159/wsa/2019.v45.i4.7553

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Short Communication: Detection of selected agricultural pesticides in river and tap water in Letsitele, Lomati and Vals–Renoster catchments, South Africa

M Machete, J.M. Shadung

716-720

DOI:

10.17159/wsa/2019.v45.i4.7554

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