What does Dugongs’ extinction in China mean for its relatives in India? 

Dugongs, vegetarian marine mammals are now officially extinct in the Chinese waters. This piece explores the significance of its existence and extinction and what does this mean to the endangered species’ relatives in India’s Palk Strait? Dugongs, popularly known as ‘Sea Cows,’ are the only surviving species of aquatic herbivores that belong to the orderContinue reading What does Dugongs’ extinction in China mean for its relatives in India? 

Tidal Energy: A Boon or Bane?

As the demand for clean energy is increasing by the day, various entities are eyeing the renewables. Though wind and solar are already on the run, the race for tidal energy is yet to begin. Powered by the kinetic energy from the natural rise and fall of ocean currents and tides, tidal energy is aContinue reading “Tidal Energy: A Boon or Bane?”

Into the Depths of the Indian Ocean

The Indian ocean being the world’s third biggest ocean covering 7,05,60,000 sq km which is 19.5% of Earth’s water surface and 19.8% of the global ocean volume is the least understood ocean among the 5 oceans with complex geomorphology. The Indian ocean has subduction trenches, seamounts, ridges, plateaus, coral atolls, fracture zones and hydrothermal ventsContinue reading “Into the Depths of the Indian Ocean”

Kerguelen Plateau and Its Implications for Climate Change

The Kerguelen Plateau is located in the Indian Ocean, and is the longest continually erupting supervolcano. From 90 to 120 million years ago, basaltic lava eruptions from fissures on the seabed led to the formation of a volcanic plateau that eventually rose above the sea level. The presence of soil layers and charcoal from previousContinue reading “Kerguelen Plateau and Its Implications for Climate Change”

The End of Fish?

They are one of the original species that inhabited the earth. They are the main source of protein for 3 billion people. They affect the livelihoods for 600 million people. They play an important role in nutrient cycles that sustain aquatic ecosystems. They are an obstacle against climate change by partaking in carbon sequestration. TheyContinue reading “The End of Fish?”

Sustainability of Seafood

Seafood is a common source of protein and ensures food security in many coastal regions across the world. The seafood industry also has economic importance- serving consumers and exporting delicacies and popular varieties of fish, crab, shellfish, etc. However, overfishing and certain aquaculture practices have raised environmental concerns. Is seafood sustainable?  Does the seafood industryContinue reading Sustainability of Seafood

Deep Sea Pollution?

When we think of pollution in the seas, what generally comes to mind are oils spills, great pacific garbage patch, wildlife entanglement, and microplastic, a commonality between all these is the easy exposure due to proximity to the surface because of this less is known of the majority of pollutants affecting the oceans, are inContinue reading “Deep Sea Pollution?”

The Beautiful Coral Reefs

Corals belong to the phylum Cnidaria, a group that include gelatinous stinging marine invertebrates like jellyfish and sea anemones. Coral reefs are composed of the skeletons of marine invertebrates called corals and the each tiny individual coral is polyp. The coral species build reefs by extracting calcium carbonate from seawater to create a hard, durableContinue reading “The Beautiful Coral Reefs”

Oil-Eating Bacteria: A Solution to Clean our Water Bodies

Oil spills can destroy the biodiversity of a region and can have an indelible negative impact on the environment. Since the 1970s the average number of oil spills recorded at 20 spills per year has significantly reduced in the recent past. In the decade from 2010 to 2019, the average spill recorded in a yearContinue reading “Oil-Eating Bacteria: A Solution to Clean our Water Bodies”

Slippery sailors of the sea: India’s Sea snakes

In Indian mythology, Vishnu, the Lord of preservation, is said to have been supported by a giant sea snake called Shesha that rests on the cosmic ocean upon which the entire world is balanced. Snake Vasuki was wielded as a rope to churn milk from the ocean. Our myths, legends and stories have always integratedContinue reading “Slippery sailors of the sea: India’s Sea snakes”