Whale feces dioxide which holds an estimated 90% of all sequestered carbon. The Southern Ocean is amongst the largest ranges for phytoplankton and has the characteristic of being nutrient-rich in terms of phosphate, nitrate and silicate, while it is iron-deficient at the same time. Increases of nutrient iron results in blooming of phytoplankton. Whale feces is up to 10 million times richer in iron than the surrounding sea water and plays a vital role in providing the iron required for maintaining phytoplankton biomass on the earth. The iron defecation of just the 12,000 strong sperm whale population in the Southern Ocean results
The Whale Caller into a more civilized living style. The whales migrated over a month ago and Saluni feels like her life is fulfilled as she has the Whale Caller and the Bored Twins. She even tries to initiate sex with him but his mind becomes filled with images of whales, including Sharisha and he is unable to follow through. The Whale Caller brings Saluni to Mr. Yodd and one day Saluni even goes there by herself in order to better understand the Whale Caller. One day they meet Lunga Tubu who has the voice of the Earth. One day, during a thunderstorm,