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Lots of krill raise hopes for good angling season

Lots of krill raise hopes for good angling season

Niël Terblanché

 

RECENT outbursts of sulphur in the sea off of Walvis Bay saw large numbers of krill moving to the shallows avoid suffering from an oxygen shortage.

 

Krill, are shrimps-like crustaceans and represent an important part of the zooplankton community in the Benguela Upwelling System. They are an important food source for many fish species and serve as an indicator for ecosystem assessments.

 

Strong east wind conditions that persisted at the central coast of Namibia well into the winter months this year saw la\rge amounts of dust being deposited in the Atlantic Ocean. Dust from the mainland is a vital food source for plankton and as the biomass of plankton increases so does the biomass of Krill that feed on it.

 

MINIATURE CRUSTACEANS: Large amounts of krill were spotted in the shallows of the beaches around Walvis Bay after a recent sulphur outbreak in the sea off the central Namibian coast. – Footage: Courtesy of Jaco Visser

 

Fishermen along the coast have been exploiting the abundance of krill in the water which brought huge shoals of snoek to within a short distance of the shoreline.

 

According to Wikipedia, the miniature crustaceans make up a biomass of around 379 000 000 tonnes in the oceans around the globe which makes it among the species with the largest total biomass on the planet.

 

Over half of this biomass is eaten by whales, seals, penguins, squid, and fish each year.

 

The presence of such a huge amount of krill off the Namibian coast has raised hopes that anglers will have good catches over the festive season when fish species like kabeljou start moving south for its annual spawning run at Sandwich harbour.

 

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