South African coastal outlets and estuaries: what defines an estuary versus an outlet?

References

• Attrill MJ, Rundle SD. 2002. Ecotone or ecocline: ecological boundaries in estuaries. Estuarine, Coastal and Shelf Science 55: 929–936. doi: 10.1006/ecss.2002.1036
   Web of Science ®Google Scholar
• Bate GC, Lemley DA, Nunes M, Adams JB. 2023. The water quality status of estuarine micro-system types in KwaZulu-Natal Province, South Africa. Water SA 49: 260–272.
   Web of Science ®Google Scholar
• Bate GC, Nunes M, Escott B, Mnikathi A, Craigie J. 2017. Micro-estuary – a new estuary type recognised for South African conditions. Transactions of the Royal Society of South Africa 72: 85–92. doi: 10.1080/0035919X.2016.1259689
   Google Scholar
• Blaber SJM, Hill BJ, Forbes AT. 1974. Infratidal zonation in a deep South African estuary. Marine Biology 28: 333–337. doi: 10.1007/BF00388502
   Web of Science ®Google Scholar
• Blaber SJM. 1977. The feeding ecology and relative abundance of mullet (Mugilidae) in Natal and Pondoland estuaries. Biological Journal of the Linnean Society 9: 259–275. doi: 10.1111/j.1095-8312.1977.tb00269.x
   Web of Science ®Google Scholar
• Carter RWG. 1988. Coastal environments. An introduction to the physical, ecological and cultural systems of coastlines. Academic Press, London.
   Google Scholar
• Cloete EB. 1953. The diversion of the Umlaas River. Civil Engineering 1953: 207–218.
   Google Scholar
• Cooper JAG, Green AN, Compton JS. 2018. Sea-level change in South Africa since the last glacial maximum. Quarternary Science Reviews 201: 303–318. doi: 10.1016/j.quascirev.2018.10.013
   Web of Science ®Google Scholar
• Dalu T, Magoro ML, Naidoo L, Wasserman R, Human L, Adams JB, et al. 2020. Microphytobenthos diversity and community structure across different micro-estuaries and micro-outlets: effects of environmental variables on community structure. Environmental Pollution 260: 114097. doi: 10.1016/j.envpol.2020.114097
   PubMed Web of Science ®Google Scholar
• Dalu T, Magoro ML, Tonkin JD, Human LRD, Perissinotto R, Deyzel SHP, et al. 2018. Assessing phytoplankton composition and structure within micro-estuaries and micro-outlets: a community analysis approach. Hydrobiologia 818: 177–191. doi: 10.1007/s10750-018-3605-0
   Web of Science ®Google Scholar
• Gess RW, Whitfield AK. 2020. Estuarine fish and tetrapod evolution: insights from a Late Devonian (Famennian) Gondwanan estuarine lake and a southern African Holocene equivalent. Biological Reviews 95: 865–888. doi: 10.1111/brv.12590
   PubMed Web of Science ®Google Scholar
• Greenwood MFD. 2007. Nekton community change along estuarine salinity gradients: can salinity zones be defined? Estuaries and Coasts 30: 537–542. doi: 10.1007/BF03036519
   Web of Science ®Google Scholar
• Harrison TD. 1998. A preliminary survey of the coastal river systems of False Bay, south-west coast of South Africa, with particular reference to the fish fauna. Transactions of the Royal Society of South Africa 53: 1–31. doi: 10.1080/00359199809520371
   Web of Science ®Google Scholar
• Heinecken TJE, Bickerton IB, Morant PD. 1982. Report No. 12: Buffels (WES)(CSW 1), Elsies (CSW 2), Sir Lowrys Pass (CSW 8), Steenbras (CSW 9) and Buffels (Oos)(CSW 11). In: Estuaries of the Cape. Part II. Synopses of Available Information on Individual Systems (Heydorn AEF, Morant PD, eds). CSIR Research Report No. 411: 1–70.
   Google Scholar
• Human LRD, Magoro ML, Dalu T, Perissinotto R, Whitfield AK, Adams JB, Deyzel SHP, Rishworth GM. 2018. Natural nutrient enrichment and algal responses in near pristine micro-estuaries and micro-outlets. Science of the Total Environment 624: 945–954. doi: 10.1016/j.scitotenv.2017.12.184
   PubMed Web of Science ®Google Scholar
• Magoro ML, Dalu T, Human LRD, Perissinotto R, Deyzel SHP, Wooldridge TH, et al. 2019. Characterization of micro-estuaries and micro-outlets in South Africa using microalgal, zooplanktonic and macrozoobenthic assemblages. African Journal of Aquatic Science 44: 313–327. doi: 10.2989/16085914.2019.1677211
   Web of Science ®Google Scholar
• Magoro M, Perissinotto R, Dalu T, Whitfield AK. 2020a. Fishes and tadpoles as indicators of the transition from micro-outlets to micro-estuaries in the Eastern Cape Province, South Africa. Estuarine, Coastal and Shelf Science 242: https://doi.org/10.1016/j.ecss.2020.106865.
   Web of Science ®Google Scholar
• Magoro M, Perissinotto R, Whitfield AK. 2020b. Micro-estuaries and micro-outlets as incipient estuarine systems – does size and coastal connectivity count? Science of the Total Environment 703: https://doi.org/10.1016/j.scitotenv.2019.134707.
   PubMed Web of Science ®Google Scholar
• Morant PD. 1991. The estuaries of False Bay. Transactions of the Royal Society of South Africa 47: 629–640.
   Web of Science ®Google Scholar
• Potter IC, Chuwen BM, Hoeksema SD, Elliott M. 2010. The concept of an estuary: a definition that incorporates systems which can become closed to the ocean and hypersaline. Estuarine, Coastal and Shelf Science 87: 497–500. doi: 10.1016/j.ecss.2010.01.021
   Web of Science ®Google Scholar
• Reid GK, Wood RD. (eds) 1976. Chapter 5. Estuaries. In: Ecology of inland waters and estuaries, pp. 93-107. Van Nostrand, New York.
   Google Scholar
• van Niekerk L, Adams JB, James N, Lamberth S, MacKay F, Rajkaran A, et al. 2020. An estuary ecosystem classification that encompasses biogeography and a high diversity of types in support of protection and management. African Journal of Aquatic Science 45: 199–216. doi: 10.2989/16085914.2019.1685934
   Web of Science ®Google Scholar
• Vorwerk PD, Whitfield AK, Cowley PD, Paterson AW. 2003. The influence of selected environmental variables on fish assemblage structure in a range of southeast African estuaries. Environmental Biology of Fishes 66: 237–247. doi: 10.1023/A:1023922521835
   Web of Science ®Google Scholar
• Whitfield AK. 1992. A characterization of southern African estuarine systems. Southern African Journal of Aquatic Sciences 18: 89–103. doi: 10.1080/10183469.1992.9631327
   Google Scholar
• Whitfield AK. 2005. Langebaan – a new type of estuary? African Journal of Aquatic Science 30: 207–209. doi: 10.2989/16085910509503859
   Google Scholar
• Whitfield AK. 2019. Fishes of southern African estuaries: from species to systems. Smithiana Monograph No. 4: 1–495.
   Google Scholar
• Whitfield A, Elliott M. 2011. Ecosystem and biotic classifications of estuaries and coasts. In: Treatise on Estuarine and Coastal Science (1st Edition), Volume 1 (Wolanski E, McLusky DS, eds), pp. 99–124. Academic Press, Waltham.
   Google Scholar