https://commons.ufh.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 https://commons.ufh.ac.za/vital/access/manager/Repository/vital:27797 Wed 31 May 2023 14:45:14 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28394 Wed 17 May 2023 16:02:37 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28146 Wed 17 May 2023 08:48:14 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:30807 Wed 17 Jan 2024 13:06:29 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:42278 Wed 13 Mar 2024 14:27:45 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:27074 Wed 13 Mar 2024 14:24:35 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28265 Wed 13 Mar 2024 14:17:24 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:41619 80 μg∙L-1, ≥ 2781 H. akashiwo cells∙mL-1). Dissolved oxygen differed significantly by bloom state, with the highest dissolved oxygen concentrations. Larval fish density, diversity and community structure variability were lower during hypereutrophic blooms compared to standard blooms and bloom absence, albeit statistically insignificant. Estuarine resident larval density was negatively correlated with dissolved oxygen concentration (P < 0.001). Dominant prey copepod of G. aestuaria larvae, P. hessei, was less abundant and variable during hypereutrophic blooms (mean: 664, range: 4-4301 individuals per m3) compared to standard blooms (mean: 950, range: 2-5237 individuals per m3) and bloom absence (mean: 1182, range: 23-7259 individuals per m3). Although HABs did not appear to drive a mismatch between prey and G. aestuaria larvae, early juvenile larvae made only a small contribution to the assemblage (0.2-1.8%). In terms of predator effects, yolk sac larvae were negatively related to R. terranatalis (P < 0.05). A significant positive relationship was found between prey, P. hessei and G. aestuaria preflexion (P < 0.001), flexion (P < 0.001) and postflexion (P < 0.05) larvae. In a world first, the effects of HABs were investigated on a larval fish species, Gilchristella aestuaria, using biochemical body condition analyses. During severe bloom conditions, G. aestuaria larvae were smaller and the assemblage consisted of mainly early developmental stages (stats). Body condition (RNA per dry weight) was poorest in the presence of hypereutrophic blooms (P < 0.001). A bell-curved relationship between RNA/DW and dissolved oxygen concentration was also produced in a 3-day time-lagged GAM (P < 0.001). In conclusion, hypereutrophic bloom conditions appeared to trigger adult G. aestuaria spawning in the upper mesohaline zone of the estuary in response to heightened primary productivity which occurs during the early bloom stage. However, reductions in copepod abundance (P. hessei) and unfavourable oxygen concentrations interfered with grow-out of G. aestuaria larvae. This research showed that HABs can alter nursery properties to the detriment of G. aestuaria larvae can have serious knock-on effects up the food chain. The loss in abundance of adult, juvenile and larval G. aestuaria, a key forage fish in South African estuaries, has major implications for estuarine food webs, especially in reduced prey availability to juvenile fishes and birds. There is still much to learn about the effects of HABs on the physiological and behavioural aspects on plankton communities worldwide.]]> Wed 13 Mar 2024 14:10:51 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:32483 Wed 13 Mar 2024 11:50:54 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:20443 Wed 13 Mar 2024 11:43:41 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:27438 Wed 13 Mar 2024 11:37:05 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:38920 Wed 13 Mar 2024 11:22:14 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:30809 Wed 13 Mar 2024 10:54:08 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:9471 Wed 13 Mar 2024 10:44:10 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:30776 Wed 13 Mar 2024 10:12:44 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:32357 Wed 13 Mar 2024 10:12:28 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:27069 Wed 13 Mar 2024 09:44:50 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:41606 Wed 13 Mar 2024 09:37:38 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:36232 Wed 13 Mar 2024 09:30:38 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:36580 Wed 13 Mar 2024 09:30:27 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:27363 Wed 13 Mar 2024 09:16:24 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:30403 Wed 13 Mar 2024 09:09:33 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:32974 Wed 13 Mar 2024 09:09:27 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:42939 Wed 12 Jul 2023 08:28:50 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:1697 Wed 05 Apr 2023 08:16:17 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:3101 Wed 05 Apr 2023 08:09:01 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:4032 Wed 05 Apr 2023 07:00:15 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28139 Wed 03 May 2023 14:17:38 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28508 Wed 03 May 2023 13:07:18 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:31446 Tue 28 Feb 2023 08:54:05 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:21127 Tue 27 Jun 2023 06:22:44 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:42769 Tue 23 May 2023 11:45:11 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:1804 Tue 22 Nov 2022 15:32:15 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:1689 Tue 22 Nov 2022 10:29:59 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:2120 Tue 18 Jul 2023 21:38:02 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:19964 Tue 15 Aug 2023 16:14:22 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:3025 40 years), which were then differentiated according to gender, reproductive status, and relationship status. Treating the interviews as jointly produced narratives, I analysed them by means of a performativity/performance lens. This dual analytic lens focuses on how particular narrative performances are simultaneously shaped by the interview setting and the broader discursive context. The lens was fashioned by synthesising Butler’s theory of performativity with Taylor’s narrative-discursive method. This synthesis (1) allows for Butler’s notion of “performativity” to be supplemented with that of “performance”; (2) provides a concrete analytical strategy in the form of positioning analysis; and (3) draws attention to both the micro politics of the interview conversation and the operation of power on the macro level, including the possibility of making “gender trouble”. The findings of the study suggest that the participants experienced difficulty narrating about male involvement in parenthood decision-making, owing to the taken for granted nature of parenthood for heterosexual adults. This was evident in participants’ sidelining of issues of “deciding” and “planning” and their alternate construal of childbearing as a non-choice, which, significantly served to bolster hetero-patriarchal norms. A central rhetorical tool for accomplishing these purposes was found in the construction of the “sacralised” child. In discursively manoeuvring around the central problematic, the participants ultimately produced a “silence” in the data that repeats the one in the research literature.]]> Tue 15 Aug 2023 16:06:17 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:30600 Tue 15 Aug 2023 15:50:21 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:2019 Tue 15 Aug 2023 13:21:16 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:19995 Tue 15 Aug 2023 11:32:24 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:42201 Tue 15 Aug 2023 11:29:30 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28061 Tue 15 Aug 2023 11:05:18 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:42891 Tue 14 Feb 2023 07:55:10 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:21251 Tue 13 Jun 2023 08:25:27 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:29124 Tue 11 Jul 2023 16:25:27 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:2080 Tue 10 Oct 2023 09:16:12 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28482 Tue 09 May 2023 15:34:10 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28370 Tue 06 Jun 2023 12:39:11 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:21250 Thu 29 Jun 2023 11:43:03 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28410 Thu 25 May 2023 15:03:12 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:5419 Thu 20 Apr 2023 12:19:52 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28208 Thu 18 May 2023 15:27:00 SAST ]]> https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28212 Thu 18 May 2023 13:14:00 SAST ]]> 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