JPI Oceans Quiz

In the last JPI Oceans MinignImpact project, 17 new bristle worm species were discovered and described. In their search to name some of the new species, the scientists drew inspiration from the well-known TV series Game of Thrones.

Can you name one of the two characters which inspired the new bristle worm names?  

• Arya

• Tyrion

• Drogo

• Hodor

In 1872, an expedition took off to gather data on a wide range of ocean features. Its many discoveries laid the foundation of marine science: for instance, large quantities of manganese nodules were recovered from the Pacific, Indian and Atlantic Oceans, and 4,700 new species were described.

What was the name of the expedition?

Clue: it is named after the mother vessel.

• Pioneer

• Voyager

• Challenger

According to the UN Food and Agriculture Organization (FAO), ‘aquaculture continues to grow faster than other major food production sectors.’

Do you know which fish species is the number 1 in production worldwide?  

• Nile tilapia

• Grass carp

• Atlantic salmon

Munitions in the Sea (closed Joint Action, now MMinE-SwEEPPER Strategic Engagement) estimates suggest that after World War II, approximately 1.6 million tons of conventional and chemical munitions were dumped in European waters.

Which of the following areas shows the highest concentration of unexploded ordnance (UXO) dumps?

• German Bight, North Sea

• Irish Sea

• Finnish Coast, Baltic Sea

• Southern France, Mediterranean Sea

Oxygen is essential for marine life, and its concentration in the ocean is influenced by natural and human-driven factors. Since the mid-20th century, we have observed a decline in oceanic oxygen levels, a phenomenon known as ‘deoxygenation’.

Based on current estimates and since the 1960s, ocean’s oxygen content has decreased by around...

Blue carbon coastal ecosystems cover only 2% of the total ocean surface.

However, do you know to what extent they account for the ocean’s carbon absorption capacity?

• 25%

• 30%

• 50%

Copepods often encounter microplastics in their environment, but their ability to distinguish and reject them varies.

What is the likelihood that a copepod successfully rejects microplastics upon contact with its mouthparts?

• 80%

• 50%

• 12%