Nazi Munitions, Torpedo Heads and Naval Mines: The Way Ocean Creatures Flourishes on Abandoned Armaments

In the brackish waters off the Germany's coast sits a graveyard of Nazi bombs, torpedoes and naval mines. Discarded from barges at the conclusion of the World War II and neglected, thousands weapons have accumulated over the decades. They create a rusting blanket on the low-depth, muddy seafloor of the Bay of Lübeck in the western tip of the Baltic Sea.

Over the years, the Nazi arsenal was ignored and forgotten about. A increasing amount of tourists flocked to the sandy beaches and calm waters for jetskiing, kiteboarding and amusement parks. Beneath the surface, the weapons decayed.

We initially thought to see a lifeless zone, with nothing living there because it was all contaminated, states Andrey Vedenin.

When the initial researchers went searching to see what they were affecting to the marine environment, researchers expected to see a desert, with nothing living there because it was all poisoned, states a scientist.

What they observed surprised them. Vedenin remembers his team members exclaiming in amazement when the ROV first relayed pictures. That moment was a remarkable experience, he says.

Numerous of marine animals had made their homes among the explosives, creating a revitalized ecosystem more populous than the seabed nearby.

This underwater metropolis was evidence to the tenacity of marine life. Truly remarkable how much marine organisms we find in areas that are expected to be dangerous and risky, he states.

In excess of 40 starfish had gathered on to one visible piece of explosive material. They were living on metal shells, fuse pockets and transport cases just centimetres from its explosive filling. Marine fish, crustaceans, sea anemones and bivalves were all observed on the historic weapons. It's similar to a reef ecosystem in terms of the abundance of fauna that was inhabiting the area, says Vedenin.

Unexpected Creature Concentration

An average of more than forty thousand organisms were residing on every meter squared of the explosives, researchers reported in their research on the observation. The adjacent region was much sparser, with only 8,000 creatures on every meter squared.

It is surprising that things that are designed to destroy all life are attracting so much life, states Vedenin. One can observe how nature adapts after a devastating occurrence such as the second world war and how, in some way, marine life returns to the most hazardous places.

Artificial Features as Marine Environments

Artificial features such as shipwrecks, wind turbines, drilling platforms and undersea pipes can provide alternatives, restoring some of the destroyed habitat. This research demonstrates that munitions could be equally positive – the proliferation of life on those in the Bay of Lübeck is probable to be found in different areas.

Between the late 1940s and the post-war period, 1.6m tons of weapons were dumped off the German shoreline. Countless of people placed them in barges; a portion were dropped in specific locations, others just dumped while traveling. This is the first time experts have documented how marine life has adapted.

Global Instances of Marine Transformation

• In the US, decommissioned oil and gas structures have transformed into reef ecosystems
• Sunken ships from the first world war have become environments for creatures along the Potomac River in Maryland
• Tank tracks that have become environment to reef-building organisms off Asan beach in the Pacific island

These locations become even more crucial for wildlife as the seas are increasingly denuded by fishing, seafloor dredging and boat mooring. Sunken ships and weapons dump sites essentially serve as protected areas – they are not official reserves, but almost any kind of anthropogenic disturbance is banned, states Vedenin. As a result a numerous of marine species that are typically uncommon or decreasing, such as the Baltic cod, are flourishing.

Future Considerations

Anywhere armed conflict has occurred in the recent history, adjacent waters are typically strewn with weapons, says Vedenin. Many millions of tonnes of volatile compounds remain in our seas.

The locations of these weapons are insufficiently mapped, partly because of international boundaries, classified defense data and the reality that documents are stored in historic archives. They pose an detonation and safety danger, as well as danger from the continuous emission of toxic chemicals.

As Germany and additional nations start clearing these artifacts, researchers hope to protect the habitats that have established around them. In the Bay of Lübeck munitions are presently being extracted.

We should replace these steel remains left from munitions with some safer, various non-dangerous objects, like perhaps artificial reefs, says Vedenin.

He currently aspires that what transpires in the Bay of Lübeck creates a example for substituting material after explosive extraction in different areas – because also the most destructive armaments can become framework for ocean ecosystems.