Academic literature on the topic 'St Helena Bay'

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Journal articles on the topic "St Helena Bay"

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Keys, Cathy. "Sharing the waterways: Shark-proof swimming, penal detention and the early history of St Helena Island, Moreton Bay." Queensland Review 27, no. 2 (2020): 121–36. http://dx.doi.org/10.1017/qre.2020.11.

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AbstractThis research examines the role that fear of sharks has played in the history of St Helena Island Moreton Bay, Queensland through analysis of historical records, newspapers, photographs and literature. The article begins with Aboriginal histories of St Helena Island, colonial settlement of the region and the building of a quarantine station. An exploration of the ways in which settlers’ fear of sharks supported the detention of prisoners in the St Helena Island Penal Establishment follows. The research finds that the warders’ shark-proof swimming enclosure on St Helena Island (1916) re
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Mayfield, Stephen, George M. Branch, and Andrew C. Cockcroft. "Role and efficacy of marine protected areas for the South African rock lobster, Jasus lalandii." Marine and Freshwater Research 56, no. 6 (2005): 913. http://dx.doi.org/10.1071/mf05060.

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Protected areas for the South African rock lobster, Jasus lalandii, were sampled by using divers, traps and ringnets at sites within and adjacent to four protected areas (St Helena Bay, Saldanha Bay and Table Bay rock lobster sanctuaries and the Betty’s Bay marine reserve), over two years. Virtually no rock lobsters were found in St Helena Bay sanctuary, probably because of periodic harmful algal blooms. Abundance was greater in Saldanha Bay sanctuary than in adjacent fished areas, but only once in two years. Sizes were, however, larger in this sanctuary than the fished areas. By an order of m
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Pitcher, G. C., and T. A. Probyn. "Seasonal, sub-seasonal and spatial fluctuations in oxygen-depleted bottom waters in an embayment of an eastern boundary upwelling system: St Helena Bay." Biogeosciences Discussions 12, no. 16 (2015): 13283–309. http://dx.doi.org/10.5194/bgd-12-13283-2015.

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Abstract. The considerable impact of oxygen deficient waters on marine resources in St Helena Bay has generated interest in exploring the vulnerability of South Africa's largest and most productive bay to further deoxygenation in response to climate change. Seasonal, sub-seasonal and spatial fluctuations in bottom dissolved oxygen (DO) are examined in St Helena Bay to facilitate better interpretation of historical data. DO measurements in relation to physical, chemical and biological variables were made between November 2013 and November 2014. Alongshore bay characteristics were assessed throu
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Schultz, Oliver J. "Defiance and obedience: Regulatory compliance among artisanal fishers in St Helena Bay." Marine Policy 60 (October 2015): 331–37. http://dx.doi.org/10.1016/j.marpol.2014.09.012.

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Best, P. B., and D. Reeb. "A near mass stranding of cetaceans in St Helena Bay, South Africa." African Journal of Marine Science 32, no. 1 (2010): 163–66. http://dx.doi.org/10.2989/18142321003715234.

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Lamont, T., L. Hutchings, M. A. van den Berg, W. S. Goschen, and R. G. Barlow. "Hydrographic variability in the St. Helena Bay region of the southern Benguela ecosystem." Journal of Geophysical Research: Oceans 120, no. 4 (2015): 2920–44. http://dx.doi.org/10.1002/2014jc010619.

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Buecher, Emmanuelle, and Mark John Gibbons. "Interannual variation in the composition of the assemblages of medusae and ctenophores in St. Helena Bay, Southern Benguela Ecosystem." Scientia Marina 64, S1 (2000): 123–34. http://dx.doi.org/10.3989/scimar.2000.64s1123.

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Hutchings, L., A. Jarre, T. Lamont, M. van den Berg, and SP Kirkman. "St Helena Bay (southern Benguela) then and now: muted climate signals, large human impact." African Journal of Marine Science 34, no. 4 (2012): 559–83. http://dx.doi.org/10.2989/1814232x.2012.689672.

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Jury, M. R. "Mesoscale variations in summer winds over the Cape Columbine — St Helena Bay region, South Africa." South African Journal of Marine Science 3, no. 1 (1985): 77–88. http://dx.doi.org/10.2989/025776185784461162.

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Sittert, Lance Van. "‘Making like America’: the industrialisation of the St Helena Bay Fisheries c. 1936‐c. 1956." Journal of Southern African Studies 19, no. 3 (1993): 422–46. http://dx.doi.org/10.1080/03057079308708368.

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Dissertations / Theses on the topic "St Helena Bay"

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Manyakanyaka, Anathi. "The variability of retention in St Helena Bay." Master's thesis, University of Cape Town, 2020. http://hdl.handle.net/11427/32519.

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The circulation in St Helena Bay and the variability of the retention of the Bay are investigated using seasonal climatologies of the Regional Ocean Modelling System (ROMS). While retention has been studied biologically, the seasonality of the hydrodynamics contributing to the retention have received less attention. In this study we explore how the sea temperature, atmospheric forcing and currents contribute to the seasonal recirculation dynamics in St Helena Bay. Ichthyop, a lagrangian particle tracking method is used to study the spatial variations of local retention rates, with the particle
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Van, Sittert Lance. "Labour, capital and the state in the St. Helena Bay fisheries c.1856 - c.1956." Doctoral thesis, University of Cape Town, 1992. http://hdl.handle.net/11427/21708.

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This thesis deals with the history of the St Helena Bay inshore fisheries, 1856-1956. Fishing has long been neglected by social and economic historians and the myths propagated by company and popular writers still hold sway. The thesis challenges these by situating commercial fishing at St Helena Bay in the context of changing regional, national and international economies and showing how it was shaped and conditioned by the struggle for ownership of the marine resource between labour and capital, mediated by the state. The thesis is organised chronologically into three epochs. In each the foc
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Shultz, O. "An ethnography of St Helena Bay - A West Coast Town in the age of neoliberalism." Master's thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/14266.

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This dissertation uses ethnography as a means to examine how multiple-scale patterns of interaction between social and ecological systems as they manifest locally in St Helena Bay. The growing integration of the West Coast has brought rapid change in the form of industrial production, urban development and in-migration. The pressure placed on local resources by these processes has been exacerbated by the rationalisation of the local fisheries - there are fewer jobs in the formal industry and small-scale fishing rights have become circumscribed. In the neighbourhood of Laingville, historically-
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Tukwayo, Philiswa P. "Temporal and spatial variability in a copepod community off St Helena Bay in 2000/1." Master's thesis, University of Cape Town, 2004. http://hdl.handle.net/11427/6204.

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Bibliography: leaves 34-39.<br>The driving forces behind changes in copepod community structure in the Benguela upwelling region are examined. For this study, monthly changes in copepod size structure and species composition were examined at St Helena Bay in 2000/1 in relation to upwelling, phytoplankton and fish. The copepod assemblage was dominated by large species categories in the early period of recruitment (April) and smaller species categories in the late period of recruitment (August). The reappearance of large species categories and increase in copepod biomass is observed in summer mo
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Holden, Clive John. "Spatial and temporal scales of the coastal currents in the St. Helena Bay - Cape Columbine Region." Master's thesis, University of Cape Town, 1986. http://hdl.handle.net/11427/22335.

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Bibliography: pages 96-103.<br>This thesis presents the results of a current meter experiment performed in the St Helena Bay - Cape Columbine region during winter 1982. The work, which forms part of the shelf dynamics programme undertaken by the Sea Fisheries Research Institute, attempts to identify the important time and spatial scales within the coastal currents and to investigate the relationship between the sub-inertial flow and low frequency variations in the coastal winds.
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Mushanganyisi, Kanakana S. "Seasonal and spatial variability of pelagic fishes in relation to environmental variability in St Helena Bay." Master's thesis, Faculty of Science, 2019. https://hdl.handle.net/11427/31795.

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The St Helena Bay Monitoring Line (SHBML) stretches 197 nautical miles off Elands Bay on the west coast of South Africa. It is an extensive long term project on environmental monitoring, running from 2000 till 2012 on an almost monthly basis but currently running on a quarterly basis. It extends through the nursery grounds and part of the transport zone for hydrology and productivity in areas that are significant to early life history of small pelagic fish. Environmental, acoustic and zooplankton data have been collected along the SHBML to obtain information on ocean environment, pelagic fish
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Crichton, Murray. "Are distinct particle spectra an indication of the state of the phytoplankton community in St Helena Bay?" Master's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/12104.

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Includes abstract.<br>Includes bibliographical references.<br>The potential of phytoplankton particle spectra to be used as the basis for an indicator of the suitability of feeding habitat for fish recruits in the Southern Benguela was investigated. Phytoplankton samples collected on regular cruises on the St Helena Bay Monitoring Line (SHBML) off Elands Bay on the west coast of South Africa had been analysed with the Coulter Counter and formed the basis of this study. Chlorophyll a content of phytoplankton samples was also measured on monthly cruises and with total particle concentration (det
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Schultz, Oliver John. "Belonging to the West Coast : an ethnography of St Helena Bay in the context of marine resource scarcity." Master's thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/13040.

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Includes bibliographical references (leaves 87-96).<br>This dissertation uses ethnography as a means to examine how multiple-scale patterns of interaction between social and ecological systems as they manifest locally in St Helena Bay. The growing integration of the West Coast has brought rapid change in the form of industrial production, urban development and in-migration. The pressure placed on local resources by these processes has been exacerbated by the rationalisation of the local fisheries - there are fewer jobs in the formal industry and small-scale fishing rights have become circumscr
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Ismail, Hassan Ebrahiem. "Seasonal variability and the relationship between dissolved inorganic nutrients and selected environmental parameters inshore and offshore of St. Helena Bay." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2550.

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Thesis (MTech (Chemistry))--Cape Peninsula University of Technology, 2017.<br>The purpose of the present study was to apply data collected monthly over a 6-year period along the almost 200 km long St. Helena Bay Monitoring Line in the Southern Benguela upwelling system to investigate co-variation between an upwelling index calculated from nearby wind records and physical and chemical properties along the transect. The extent to which the well-documented seasonal upwelling cycles is manifested at the surface along an inshore-offshore variation was investigated in the context of implications for
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Fawcett, Alexandra. "Multi-sensor mooring development and its use to characterise physical processes relevant to harmful algal bloom dynamics in the St Helena Bay area, South Africa." Master's thesis, University of Cape Town, 2006. http://hdl.handle.net/11427/6470.

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Word processed copy.<br>Includes bibliographical references.<br>Harmful algal blooms (HABs), typically attributed to dinoflagellate species, occur along the west coast of South Africa, particularly during the latter part of the upwelling season. As part of the Benguela Current Large Marine Ecosystem (BCLME) programme, a buoy has been developed locally for monitoring the development and occurrence of HABs. The mooring is situated three and a half kilometres offshore from Lambert's Bay, downstream from the Cape Columbine upwelling cell, on the west coast of South Africa, and collects high freque
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Books on the topic "St Helena Bay"

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International, Conference on Fluvial Sedimentology (6th 1997 Cape Town South Africa). Geology of the coastal plain between Cape Town and St. Helena Bay: Mid-conference field excursion, 6th International Conference on Fluvial Sedimentology, University of Cape Town, South Africa, Wednesday, 24th September, 1997. Dept. of Geological Sciences, University of Cape Town, 1997.

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Gieseke, Fran Curtin. Mt. St. Helens and the Secret of the Bar-Roo Forest. AuthorHouse, 2004.

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Dutton, George E. Journeys. University of California Press, 2017. http://dx.doi.org/10.1525/california/9780520293434.003.0004.

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This chapter looks at the brief period from 1794 to the summer of 1796, in which the ex-Jesuit community began to explore ways to resolve the crisis in which it found itself. Several short trips to Macao failed to yield any further missionaries for the Padroado Catholics, and so an attempt was made to send two men to Europe to make a direct appeal. Binh conducted a significant and successful fundraising effort among the members of the Padroado community. When the men are finally able to embark for Europe, their mission is turned back after reaching Goa, and its members are beset by pirates on
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Reports on the topic "St Helena Bay"

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Maps showing posteruption erosion, deposition, and dome growth in Mount St. Helens Crater, Washington, determined by a geographic information system. US Geological Survey, 1992. http://dx.doi.org/10.3133/i2297.

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