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Whale poo has recently been found as a nutrient to the marine ecosystem assisting another marine nutrient Phytoplankton.
Phytoplankton is essential in the marine ecosystem as it is the main food source for marine life. However uneaten Phytoplankton which photosynthesis carbon dioxide eventually dies and sinks transferring the carbon dioxide to the sea. Phytoplankton relies on the abundance of iron which allows it to grow and remove carbon dioxide from the atmosphere.
Research has found that whales are one animal that provides a positive consumption and retainment of marine nutrients. More specifically, the whales poo, which contains most of the iron consumed by the whale. The concentration of the iron in the whale faeces was found to be 10 million times higher than seawaters concentration. Therefore whales play an important role in the marine ecosystem.
Read more about the importance of whales and their iron enriched poo at TheConversation.com.