Baird D. & Heymans J. J. (1996) Assessment of ecosystem changes in response to freshwater inflow of the Kromme River Estuary, St Francis Bay, South Africa: A netowrk analysis approach Water SA 22:

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Barnes R. S. K. (2002) The occurrence and ecology of a marine hydrobiid mud snail in the southern hemisphere: the Knysna Estuary, South Africa African Journal of Ecology 40: 289–294

Keywords: competition, intertidal, lagoon, Ocypodidae, Potamididae, salinity

Barnes R. S. K. (2010) The distribution and habitat in the Knysna Estuary of the endemic South African mud snail Hydrobia knysnaensis and the influence of intraspecific competition and ambient salinity on its abundance African Journal of Aquatic Science 29: 205–211

Keywords: Coastal, competition, eel-grass, estuary, lagoon, mudsnail, rarity, salinity

Adams J. B., Taljaard S., van Niekerk L. & Lemley D. A. (2020) Nutrient enrichment as a threat to the ecological resilience and health of South Africa microtidal estuaries African Journal of Aquatic Science 45: 23–40

Keywords: alien invasive plants, eutrophication, harmful algal blooms, macroalgae, mouth closure, wastewater discharges

Akoto W. (2009) Valuing preferences for freshwater inflows into selected Western and Southern Cape Estuaries Nelson Mandela Metropolitan University

Keywords: Estuary assessment

Allanson B. R. (2000) The Knysna Basin Project reviewed – research findings and implications for management Transactions of the Royal Society of South Africa 55: 97–100

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Allanson B. R., Human L. R. D. & Claassens L. (2016) Observations of the distribution and abundance of a green tide along an intertidal shore, Knysna Estuary South African Journal of Botany 107: 49–54

Keywords: Macroalgal (Ulvales), Blooms, Abundance, transects, Salt marsh

Allanson S. (2000) Bibliography of scientific and environmental literature (published and unpublished), relating to the Knysna basin: Lagoon, estuary, river and catchment Transactions of the Royal Society of South Africa 55: 223–237

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Arendse C. J. & Russell I. A. (2020) Morphometric regressions for the endangered Knysna seahorse, Hippocampus capensis, in the Swartvlei Estuary form mass stranding events Koedoe 62: 1–6

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Audouin M., Le Maître D., Kotzee I., Kellerman L. & Forsyth G. (2019) Development of an Ecological Infrastructure Investment Framework (EIIF) and an Alien Invasive Species Strategy (AISS) for the Western Cape Province: Catchment Prioritisation Report CSIR

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