Knysna Hope Spot Re-designated to Strengthen Conservation Efforts

February 21, 2025

Cover image: Blue stingray, Helen Walne. 

Knysna, South Africa – On South Africa’s Western Cape lies the Knysna Hope Spot, a unique region containing an important estuary, the marine coastline and offshore waters. Spanning the region from Buffel’s Bay to Sparrebosch and including the Goukamma Marine Protected Area (MPA), this biodiverse marine, coastal and estuarine system plays a pivotal role as an essential breeding ground for coastal fish species, along with the endangered Knysna seahorse (Hippocampus capensis), South Africa’s only endemic seahorse species.

International marine conservation organization Mission Blue originally designated Knysna a Hope Spot in 2014 as part of a suite of South African Hope Spots. Today, Mission Blue is re-launching the Knysna Hope Spot by recognizing a new pair of Hope Spot Champions, welcoming Jessica Seath, Estuarine Ecologist at the Knysna Estuary Research Foundation (KERF), and Alan Whitfield, retired Chief Scientist at the South African Institute of Aquatic Biodiversity as Champions. 

“South Africa is such an incredible part of the planet, where the Atlantic and the Indian Ocean converge,” says Dr. Sylvia Earle, Founder of Mission Blue. She continues, “To be able to stand at the Cape of Good Hope and actually have two oceans, blue and green, coming together, it’s just magical. The diversity of life on the land is legendary, and in the ocean, although not as well appreciated, is also very special.”

The Knysna Estuary is fed by one large perennial river and four streams and includes essential habitats such as seagrass beds and salt marshes. These unique regions serve as nursery habiats for species such as the endangered white steenbras (Lithognathus lithognathus), the Knysna seahorse, and as crucial stopover areas for migratory birds such as terns and waders. 

“The Knysna Estuary has shaped both my life and my work—it’s a place of incredible beauty, resilience, and biodiversity,” shares Jessica Seath of the Knysna Estuary Research Foundation. She continues, “As a Mission Blue Hope Spot Champion, I want to see this ecosystem not just protected, but truly thrive, for the fish that breed here, the people who depend on it, and the future generations who will inherit it. By combining research, education, and community action, we can ensure that Knysna’s waters remain a source of life and inspiration for years to come.”

The Knysna Estuary plays a critical role in sustaining regional fisheries and biodiversity, but faces threats from overfishing, habitat degradation, urbanization, and climate change. Rising temperatures, changing precipitation patterns, and anthropogenic activity all impact the delicate estuarine environment.

“The Knysna Estuary is the only natural estuarine bay system in South Africa and has the highest biodiversity rating and importance value of all the approximately 300 estuaries located along our coastline.” According to Professor. Alan Whitfield, “it is currently under increasing human pressures that need to be carefully managed in order to ensure a sustainable future for this jewel in the Garden Route crown.”

Currently, portions of the Knysna Estuary are protected as part of South Africa’s Garden Route National Park, and Goukamma MPA. Recognition of Knysna as a Mission Blue Hope Spot aims to further the important work of local organizations and Hope Spot Champions, as the area continues to struggle from severe wildfire damage and overfishing.

The next steps for the Knysna Hope Spot Champions Jessica Seath and Alan Whitfield include community outreach and awareness efforts, comprehensive biodiversity and ecosystem health assessments, the development of targeted conservation strategies for at-risk habitats and species, and collaboration with local authorities to ensure the long term health of the estuary.

About Knysna Estuary Research Foundation (KERF)

The Knysna Estuary Research Foundation is an NGO based in Knysna, South Africa, focused on coastal system research – particularly how these systems change over time, what actions can be taken to effectively manage and conserve these systems and how communities can and should live within these systems.Coastal social-ecological systems are challenged by the escalating consequences of population growth, urbanisation and climate change. Addressing these challenges requires informed management and behavioural change. Because they fuel each other, both are required if we are to sustain the flows of benefits we derive from these systems.

Our mission is to promote and support the conservation of the highly productive and biodiversity rich Knysna Estuary, using targeted scientific research, knowledge creation and dissemination, societal education and stakeholder collaboration.

About South African Institute of Aquatic Biodiversity (NRF-SAIAB)

The South African Institute for Aquatic Biodiversity (NRF-SAIAB) is a national facility of the National Research Foundation. NRF-SAIAB is a leading aquatic biodiversity research organisation in freshwater, estuarine and marine areas around the country, and has scientific platforms and equipment for use by staff, visiting scientists and university students. The Institute has a long history of estuarine studies, including research in the Knysna system dating back from the 1980s right up to the present.