Relevant bibliographies by topics / River sediments – KwaZulu-Natal – Tugela River

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Academic literature on the topic 'River sediments – KwaZulu-Natal – Tugela River'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "River sediments – KwaZulu-Natal – Tugela River"

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CROUCH, NEIL R., and DAVID G. A. STYLES. "Turraea tugelensis, a new species of Turraea sect. Nurmonia (Meliaceae) from South Africa." Phytotaxa 460, no. 2 (2020): 137–42. http://dx.doi.org/10.11646/phytotaxa.460.2.3.

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A new Turraea species, Turraea tugelensis is described from along the margins of woodland in the lower Tugela River valley in eastern KwaZulu-Natal, South Africa. This vicariant species is in Turraea sect. Nurmonia, and allied to the herbaceous suffruticose species T. pulchella and T. streyi, from which it is separable on both vegetative and sexual characteristics.
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Phali, Lerato, Maxwell Mudhara, Stuart Ferrer, and Godswill Makombe. "Determinants of Farmers’ Participation in the Management of Smallholder Irrigation Schemes in Kwazulu-Natal Province, South Africa." Journal of Economics and Behavioral Studies 12, no. 6(J) (2021): 21–32. http://dx.doi.org/10.22610/jebs.v12i6(j).3121.

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Participatory Irrigation Management is an important concept in the management of water resources. It fosters collective responsibility and rule compliance, the lack of which creates a weak environment for sustainable water use. This study adopted Principal Components Analysis and Structural Equation Modelling to evaluate the determinants of farmer’s participation in the management of four smallholder irrigations schemes in KwaZulu-Natal Province, South Africa. The selected schemes, Ndumo, Makhathini Flats, Mooi River and Tugela Ferry, are representative of the general management and farmer act
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Dirwai, T. L., A. Senzanje, and M. Mudhara. "Water governance impacts on water adequacy in smallholder irrigation schemes in KwaZulu-Natal province, South Africa." Water Policy 21, no. 1 (2018): 127–46. http://dx.doi.org/10.2166/wp.2018.149.

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AbstractWater adequacy is central to maximised agricultural production in irrigation schemes. Smallholder Irrigation Schemes (SISs) are designed to distribute water efficiently, adequately and equitably. Water governance, defined as the institutions, processes, procedures, rules and regulations involved in water management, plays an important role in water allocation and subsequently water adequacy. The intersectoral institutions involved in water governance in SISs, i.e., government, Water User Associations (WUAs), Irrigation Management Committees (IMCs) and traditional authorities, interact
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Phiri, Ethel Emmarantia, and Savel Regan Daniels. "Multilocus coalescent species delimitation reveals widespread cryptic differentiation among Drakensberg mountain-living freshwater crabs (Decapoda : Potamonautes)." Invertebrate Systematics 30, no. 1 (2016): 60. http://dx.doi.org/10.1071/is15035.

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Cryptic lineages present major challenges for evolutionary and conservation studies, particularly where these lineages remain undiscovered. Freshwater crabs are known to harbour cryptic diversity, in most cases with limited morphological differences. During the present study, we used a multilocus (12S rRNA, 16S rRNA, COI, 28S rRNA, DecapANT and PEPCK) Bayesian species delimitation to examine cryptic diversity within a freshwater crab species complex (Potamonautes clarus/P. depressus). We sampled 25 highland rivers in the Tugela and uMkomazi River drainage systems of the Drakensberg Mountain ra
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Mahabeer, Prashant, and Memory Tekere. "Anthropogenic pollution influences on the physical and chemical quality of water and sediments of the umdloti river system, Kwazulu-Natal." Physics and Chemistry of the Earth, Parts A/B/C 123 (October 2021): 103030. http://dx.doi.org/10.1016/j.pce.2021.103030.

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Gumbi, Bhekumuzi P., Brenda Moodley, Grace Birungi, and Patrick G. Ndungu. "Assessment of nonsteroidal anti-inflammatory drugs by ultrasonic-assisted extraction and GC-MS in Mgeni and Msunduzi river sediments, KwaZulu-Natal, South Africa." Environmental Science and Pollution Research 24, no. 24 (2017): 20015–28. http://dx.doi.org/10.1007/s11356-017-9653-6.

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Dirwai, T. L., A. Senzanje, and M. Mudhara. "Assessing the functional and operational relationships between the water control infrastructure and water governance: A case of Tugela Ferry Irrigation Scheme and Mooi River Irrigation Scheme in KwaZulu-Natal, South Africa." Physics and Chemistry of the Earth, Parts A/B/C 112 (August 2019): 12–20. http://dx.doi.org/10.1016/j.pce.2018.11.002.

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Cheek, Michael D., and Neil R. Crouch. "Assessment of the invasive status of newly recorded cactus species in the central Tugela River basin." Bothalia 45, no. 1 (2015). http://dx.doi.org/10.4102/abc.v45i1.1953.

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Background: Current distribution information on cacti in the Tugela River basin in KwaZulu-Natal, South Africa, is scant. Accordingly, surveys in this region substantially improve our understanding of regional invasions by this succulent group. The identification of new or extended invasions requires (re)assessments of their invasion status and consideration of possible management interventions.Objectives: To identify and collect cacti either not previously recorded or poorly known in the central Tugela River basin, and to assess their invasion status.Method: A 40 km section of tertiary road w
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De Villiers, Stephanie. "Short communication: Microfibre pollution hotspots in river sediments adjacent to South Africa’s coastline." Water SA 45, no. 1 January (2019). http://dx.doi.org/10.4314/wsa.v45i1.11.

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River sediment samples collected in the lower reaches of catchments along South Africa’s coastline have microfibre levels ranging from 0 to 567 fibres/dm3. This range is similar to those of sandy beach sediments along the coast. Much higher microfibre levels are observed in KwaZulu-Natal and the Wild Coast region, compared to the Cape South Coast. There is a significant positive relationship between river sediment microfibre levels, and the percentage of households in the catchment area that do not have access to piped water. The implication is that rural communities that rely on rivers as the
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SF Dlangalala and M Mudhara. "Determinants of farmer awareness of water governance across gender dimensions in smallholder irrigation schemes in KwaZulu-Natal Province, South Africa." Water SA 46, no. 2 April (2020). http://dx.doi.org/10.17159//wsa/2020.v46.i2.8238.

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Water is a vital resource for irrigated agricultural production. Its availability and accessibility are critical for alleviating poverty and achieving food security in rural households. However, smallholder irrigated agriculture in South Africa faces limited water supply emanating from scheme governance problems, with weak institutional arrangements that fail to equitably and effectively govern water resources. South African water policy has been transforming over the years. However, statutory laws remain unknown in smallholder irrigation schemes. This study sought to assess farmer awareness o
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Dissertations / Theses on the topic "River sediments – KwaZulu-Natal – Tugela River"

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Olivier, Mervin John. "Foredune formation at Tugela River mouth." Thesis, 1998. http://hdl.handle.net/10413/3991.

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This study examines foredune evolution along a 2100 m section of coast adjacent to the Tugela River. The foredunes vary in both height and shape along the study area and form the southern most extension of the Tugela foredune-ridge plain. Sand accumulation and erosion was measured at regular intervals over a 30 month period by tacheometric surveys. The foredunes and beaches are comprised of over 99 % sand. The sediment was predominantly composed of quartz and feldspar with subordinate lithic fragments. The quartz grains display conchoidal fractures and mechanical v-shaped pits and curved groov
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"Tools to assess the ecohydrological impacts of water system innovations." Thesis, 2009. http://hdl.handle.net/10413/1033.

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Water scarce countries such as South Africa are subject to various hydrological constraints, particularly within resource poor farming communities that are reliant on rainfed agriculture. Recent initiatives to address this issue have shifted focus to explore more efficient alternatives to water supply. Adoption of water system innovations through the use of runoff harvesting is one such alternative that provides a means to supplement water use for increased food production. However, increasing the implementation of runoff harvesting, without encountering unintended impacts on downstream hydrol
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Govender, Indrani. "A study of vegetation change along the North Coast of KwaZulu-Natal from the Umgeni River to the Tugela River." Thesis, 2000. http://hdl.handle.net/10413/3354.

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The vegetation along the north coast of KwaZulu-Natal has long been considered to have originally consisted of forest, scrub forest and savanna. The classical view is that in the last 600 years the early Africans and European farmers were responsible for the removal of forest and scrub forest along the coast. This view was not based on direct evidence but on the theory that the eastern part of the country has a climate "suitable" for forest and scrub forest. The present 'false' grasslands were thus thought to have developed through anthropogenic influences. All of this has its basis in the par
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Fennessy, Sean Thomas. "An investigation of the ichthyofaunal by-catch of the Tugela Bank prawn trawlers." Thesis, 1993. http://hdl.handle.net/10413/4840.

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The by-catch of penaeid prawn trawlers operating on the Tugela Bank of Natal was analysed at irregular intervals for a period of three years, from May 1989 to June 1992. This was primarily in response to claims by Iinefishermen that trawlers were catching and discarding juvenile Iinefish species. Catch and effort data were recorded from 159 trawls, and catch composition data from 110 trawls, over a depth range of 20 to 45 meters. A total of 108 teleost species were identified in the by-catch, six of which comprised 80 percent of overall teleost abundance by number. Many of these fish were smal
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Kongo, Victor M. "Balancing water for food and environment : hydrological determinants across scales in the Thukela River Basin." Thesis, 2008. http://hdl.handle.net/10413/578.

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In this study, geophysical measurements (Electrical Resistivity Tomography-ERT) and remote sensing techniques were applied in the Thukela river basin at various scales to complement the classical hydrometeorological networks. Detailed process hydrological studies were carried out at the Potshini catchment in the Thukela river basin to provide an in-depth understanding of the influence of different land use management practices, notably the impact of conservation tiJlage practices, on runoff generation and soil moisture retention characteristics at field scale. The general trend that was observ
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Singh, Michael Lutchman. "Modelling streamflow and sediment yield on the lower Mgeni catchment." Thesis, 2001. http://hdl.handle.net/10413/2660.

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This study involves the application of the ACRU Agrohydrological Model to a selected study catchment in the Lower Mgeni Catchment, and its discretized subcatchments, immediately downstream of the Inanda Dam. This study was initiated on the assumption that the Inanda Dam, which came into operation in 1989, would have significant impacts on the downstream (Lower Mgeni) hydrology, geomorphology and ecology. The overall aim of this study, to set up and run the ACRU model for the delimited study catchment, was successfully accomplished. This aspect of the study involved firstly, the setting up of a
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Rambally, Adika. "An intergrated study of the eziMbokodweni estuary : water and sediment quality, and estuary-nearshore material fluxes." Thesis, 2013. http://hdl.handle.net/10413/11201.

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This study represents an integrated and holistic assessment of the eziMbokodweni Estuary’s water and sediment quality. The estuary was once relatively un-impacted but now flows through a highly anthropogenically-modified catchment, comprising industrial and residential developments (formal and informal), and the eziMbokodweni Wastewater Treatment Works, furthermore the floodplain has been completely transformed to accommodate the Amanzimtoti golf course. Flow from the highly degraded Isipingo River and Estuary is occasionally diverted into the eziMbokodweni and the Southern Sewage Works Outfal
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Zuma, Vincent Thulani. "Determination and characterisation of trace metals and persistant oganic pollutants in Baynespruit river, Sobantu, KwaZulu-Natal, South Africa." Diss., 2017. http://hdl.handle.net/10500/23624.

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This study assesses the presence of selected trace metals and pops in the Baynespruit River, Sobantu, KwaZulu-Natal. Sediments, plants and water samples were collected along the river during dry and wet season. For metal analysis, the extraction was done using acid digestion and then determined on the inductively coupled plasma atomic emission spectroscopy, for total metals in sediments, plants and water. Bio-available metals in sediments were analysed using atomic absorption spectroscopy. POPs were extracted in sediments using soxhlet extraction, which was followed up by evaporation on the ro
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Ngetar, Njoya Silas. "Post-dam sediment dynamics below the Inanda Dam at the Mgeni estuary, KwaZulu Natal (South Africa)." Thesis, 2002. http://hdl.handle.net/10413/5047.

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The Inanda Dam, situated some 32 to 35km upstream of the Mgeni River estuary on the Indian Ocean 5 km north of Durban, was constructed between 1984 and 1989. This impoundment deprived the downstream section of a great volume of water and sediment supply, initiating significant downstream changes. This situation is compounded by sand winning which directly extracts about 210,000 tonnes of sediment from the Lower Mgeni further depriving the estuary of sediment. A 1997 study predicted that assuming a continuous competent discharge and low contribution of sediments from the tributaries, the channe
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Sukdeo, Prisha. "A study of the natural and anthropogenic impacts on the sediment and water quality of the middle and lower Mvoti River System, KwaZulu-Natal, South Africa." Thesis, 2010. http://hdl.handle.net/10413/5361.

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This dissertation focussed on the Mvoti River system in KwaZulu-Natal, an important resource for the numerous towns and villages along its course. Catchment activities are varied with agriculture being the predominant activity, and industrial activities common in the lower catchment. The Mvoti River is intensively utilized, especially in its lower reaches, to the extent that it is referred to as a ‘working river’. Modifications of the chemical and physical characteristics of the system, and consequently the biological characteristics, have led to degradation of the system such that the functio
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Books on the topic "River sediments – KwaZulu-Natal – Tugela River"

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Cooper, J. A. G. Sea-level rise and its potential physical impacts on the shoreline of KwaZulu-Natal: Tugela River mouth to Mtamvuna River mouth (Town and Regional Planning Commission report). Town and Regional Planning Commission, 1995.

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