Whales are the secret of Healthy Oceans

Jay Kakade
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Whale
Credit: Discovery/Ethan Daniels/Stocktrek Images

According to a Study by Stanford University, Whales play a important role in recycling Carbon and recharges its own Food i.e. Krill. Oceans rely on this species for recycling and regenerating of Ocean Environment. Researchers think, Increasing Krill population can naturally boost population of Whales.

Krill, tiny reddish organisms found in all oceans and seas are the primary food source of Whales. Whales use Baleen plates to segregate Krill. In return, Whales helps the growth of Phytoplankton. Faeces of Whales are very important for sustaining of Phytoplankton - Krill rely on Phytoplankton as primary Food source. Defecating of whales adds Iron in water boosting both Phytoplankton and Krill too.

Krill
Credit: Discovery/Roger Tidman

Latest researches says Baleen Whales eat twice more than we thought earlier. According to research of Stanford, Blue Whales eat 16 metric tons per day. Whale can swell more water than its body in each gulp. Researchers used drones to monitor feeding of Whales. In this study they founded Whales appetite is twice than we thought before. In a year Baleen Whales eat 420 Million Metric Tons of Krill every year.

This decade have seen good recovery in number of Whale species from Hunting. Almost all Whales have recovered but Baleen Whales are still endangered. Increasing Whale population can drastically replenish Ocean health.

In twentieth century, With arrival of harpoons and factory ships the demand of Whales increased for meat, oil and bones. This scenario massively impacted Whales population.
Between 1910 to 1970, Almost 1.5 Millions of Baleen Fish were killed in Antarctic waters alone. The populations began to grow as US followed by IWC (International Whaling Commission) banned commercial hunting of Whales.

According to estimates of IWC Presently, There are 1.7 Million Whales of which 10,000 are Blue Whales. Plenty of Krill rich waters will help Whales to regain lost population. Climate Change and excess of fishing have reduced 80% of Krill since 1970.

Whales
Credit: Discovery/boonchai wedmakawand

Savoca says, "Drop in Whales badly affects entire Ocean Ecosystem. Fifty years after we stopped hunting whales, we’re still learning what impact that had. The system is not the same"

There are no two opinions on Whales are the fundamentals in Oceans Food Web. With recycling of Krill populations, Whales play significant role in bringing deep sea nutrients to ocean surface. When whales dive in Deep Oceans, It stir sediments and nutrients that are food of other creatures. Whales no only stops here, They contribute after the Death too. Death-Body of Whale is food for many other organisms like Killer Whales, Sharks and Bacteria.

According to research conducted by University of Stanford, Replenishing Iron rich content in Oceans will help Phytoplankton to regain their colonies, In exchange they soak carbon dioxide from waters with fueling Krill.
If this project is successful then Oceans will recover from plundering of Humans.

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