Nazi Bombs, Torpedoes and Mines: How Ocean Creatures Prosper on Abandoned Armaments

In the slightly salty sea off the German shoreline lies a wasteland of Nazi bombs, torpedoes and naval mines. Thrown off vessels at the end of the World War II and neglected, numerous explosives have accumulated over the years. They create a corroding carpet on the low-depth, silty ocean floor of the Lübeck Bay in the western part of the Baltic Sea.

Over the years, the wartime weapons was overlooked and forgotten about. A increasing amount of visitors came to the coastal areas and tranquil sea for jetskiing, kite surfing and entertainment venues. Below the waves, the weapons eroded.

Some of us thought to see a barren area, with nothing living there because it was all poisoned, says a scientist.

When the initial researchers went investigating to see what they were doing to the marine environment, some of us anticipated finding a barren area, with no organisms because it was all poisoned, says Andrey Vedenin.

What they found amazed them. Vedenin recounts his scientists reacting with shock when the submersible first relayed pictures. That moment was a memorable occasion, he notes.

Countless of ocean life had settled amid the weapons, developing a regenerated marine community richer than the sea floor surrounding it.

This ocean community was testament to the resilience of life. It is actually astonishing how much marine organisms we observe in locations that are supposed to be hazardous and risky, he says.

Over 40 sea stars had piled on to one exposed chunk of TNT. They were dwelling on metal shells, ignition chambers and storage boxes just a short distance from its dangerous content. Fish, crabs, sea anemones and mussels were all discovered on the discarded explosives. It resembles a coral reef in terms of the amount of creatures that was inhabiting the area, says Vedenin.

Surprising Creature Concentration

An average of more than forty thousand creatures were dwelling on every square metre of the weapons, scientists documented in their study on the observation. The adjacent region was much sparser, with only 8,000 creatures on every square metre.

It is ironic that objects that are intended to kill all life are hosting so much marine organisms, explains Vedenin. It's evident how the natural world evolves after a catastrophic event such as the World War II and how, in some way, life returns to the most risky locations.

Artificial Features as Ocean Habitats

Artificial features such as sunken vessels, offshore windfarms, drilling platforms and undersea pipes can create replacements, compensating for some of the lost marine environment. This research shows that weapons could be comparably beneficial – the bloom of life on those in the Bay of Lübeck is likely to be duplicated in different areas.

Between 1946 and the post-war period, 1.6m tonnes of munitions were discarded off the Germany's shoreline. Numerous of individuals loaded them in barges; some were dropped in allocated locations, others just discarded at sea while traveling. This is the initial instance scientists have studied how marine life has adapted.

Worldwide Instances of Marine Transformation

• In the United States, decommissioned energy installations have become reef ecosystems
• Submerged vessels from the first world war have become habitats for creatures along the Potomac in Maryland
• Military vehicle parts that have become habitat to coral off Asan beach in Guam

These areas become even more crucial for wildlife as the marine environments are increasingly stripped by fishing, bottom trawling and boat mooring. Shipwrecks and munitions areas effectively serve as protected areas – they are not national parks, but almost any kind of anthropogenic disturbance is prohibited, says Vedenin. Therefore a numerous of marine species that are otherwise uncommon or diminishing, such as the cod fish, are thriving.

Coming Factors

Anywhere warfare has occurred in the recent history, nearby oceans are often containing explosives, states Vedenin. Many millions of tons of volatile compounds lie in our oceans.

The positions of these explosives are poorly mapped, partially because of sovereign limits, secret armed forces records and the situation that documents are stored in historical records. They pose an detonation and security risk, as well as danger from the continuous leakage of poisonous compounds.

As the German government and additional nations begin extracting these artifacts, experts hope to preserve the ecosystems that have developed in their vicinity. In the Lübeck Bay explosives are presently being removed.

We should replace these metal carcasses remaining from munitions with certain less dangerous, various safe objects, like maybe artificial reefs, suggests Vedenin.

He now wishes that what happens in the Bay of Lübeck sets a model for substituting structures after munitions removal in other locations – because even the most destructive explosives can become framework for new life.