https://commons.ru.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 https://commons.ru.ac.za/vital/access/manager/Repository/vital:50006 Wed 21 Sep 2022 19:03:08 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:50127 Wed 20 Jul 2022 10:18:38 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:54946 Wed 17 Aug 2022 14:34:11 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:49983 Tue 06 Sep 2022 19:46:27 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:50011 Thu 06 Oct 2022 19:07:31 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:50042 20 cm) size classes in all the study areas but gatherers avoided harvesting bark from recruits. Although the mean densities of harvested stem was not significant this work indicated higher levels of stem destruction in FC. Harvested dead stems ware significant in the three areas and FC had the higher of (39.5±85.9 stems/ha) compared to 7.6±19.1 and 2.1±4.3 in TR and LM, respectively. Equally, the density of physiologically stressed stems differed substantially in the three areas with higher in FC 20.5± 75.5 stems/ha compared to 18.7±82.9 stems/ha in TR and 3.8±11.8 stems/ha in LM. This results suggests implementation of protection measures such as the inclusion of the species in the national CITES list to regulated cross-border trade and strengthening of the law enforcement. Genetic diversity, structure and gene flow in the exiting populations of southern Mozambique revealed that despite fragmentation and overexploitation, this species maintains a relatively high level of genetic diversity supporting the existence of random mating. Two genetic groups were found corresponding to the northern (LM and TR) and southern (FC) areas. The study suggests that, if local extinctions occurred in Mozambique, the pepper-bark tree persisted in sufficient numbers to retain a large proportion of genetic diversity. Management plans should concentrate on maintaining this high level of genetic variability through both in and ex-situ conservation actions.]]> Thu 01 Sep 2022 11:56:53 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:49984 Sun 09 Oct 2022 18:08:57 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:49986 Sun 09 Oct 2022 17:48:47 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:50129 Mon 10 Oct 2022 08:54:24 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:49993 Mon 10 Oct 2022 08:47:40 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:50035 Mon 10 Oct 2022 08:41:01 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:49988 20 μg Chl-a l-1) that result in instances of bottom water oxygen depletion (< 4 mg/l). During the present study in the Sundays Estuary, low oxygen waters were recorded in the middle reaches (Site S5) mostly during summer (four months of low DO conditions). In the Swartkops Estuary, low dissolved oxygen was recorded in the upper reaches during spring. The lowest dissolved oxygen concentration recorded was 0.5 mg/l and 2.4 mg/l in the bottom waters of the Sundays and Swartkops estuaries, respectively. Selected dominant species were only absent from areas where dissolved oxygen was < 1 mg/l and present in the adjacent sites (for example Site S4, and S3) where DO was higher mostly during January 2019. As such, the low dissolved oxygen concentrations recorded in the Swartkops Estuary did not have a noticeable impact on fish distribution, although the total abundance of species did show a slight decline when dissolved oxygen was < 3 mg/l. This study demonstrates the importance of concurrently examining estuarine and nearshore marine habitats in order to identify ecologically important habitats, which has important implications for the development of effective management strategies for coastal fish populations, particularly in the light of anthropogenic change. In addition, in order to identify nursery hotspots it is crucial to correctly identify all the species occupying these areas. As such, this study confirms the importance of also using DNA barcoding for fish identification, particularly for the early life history stages of cryptic species (e.g. Argyrosomus inodorus and Argyrosomus japonicus).]]> Mon 10 Oct 2022 08:22:49 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:50004 Mon 10 Oct 2022 08:02:20 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:50025 Fri 22 Jul 2022 15:40:37 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:49980 Fri 22 Jul 2022 14:44:37 SAST ]]> https://commons.ru.ac.za/vital/access/manager/Repository/vital:52406 Fri 15 Jul 2022 09:37:17 SAST ]]>