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seismic survey

Seismic survey effects on whales and dolphins

The ocean is a noisy place, as, unlike light and other possible stimuli, sound can travel very efficiently in seawater. Anthropogenic noise pollution in the marine environment is becoming a large concern – underwater noise created by ships and other human-related sources can be detected many kilometres away, far beyond what would be seen or […]

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seismic survey

What is a seismic survey?

A seismic survey is a method of investigating the subterranean structure, primarily used in search of oil and gas deposits. Marine seismic surveys have been performed since the 1950s when chemical explosives were used to create sound waves. In the 1960s airguns were developed and are now currently used for almost all seismic surveys. Airguns […]

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afr-penguin

The amazing African penguin

After having the amazing opportunity to work with African penguins at the Cape St Francis SANCCOB facility, I have a much greater appreciation for these incredible birds! African penguins stand 60-70 cm tall, and are built like a solid rugby player weighing in somewhere between 2.2-3.5 kg. They are beautiful birds, distinct with black backs […]

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50-common-dolphin

Long-beaked common dolphin

In Plettenberg Bay we are fortunate enough to have three species of dolphins that frequent the area, and one of these is the long-beaked common dolphin Delphinus capensis. As the name may suggest, this species has a long, narrow, pointed beak, while another diagnostic feature is a ‘criss-cross’ figure-of-eight or hourglass shape on the sides […]

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