A team of ecologists and coastal managers at the Institute of Marine Sciences of Andalusia, working with a colleague from the University of Cádiz, both in Spain, has found that the amount of iron being recycled back into the Southern Ocean by chinstrap penguins has been halved over the past several decades due to their declining population.
Click here for original story, Recycling of iron in Southern Ocean declining as population of chinstrap penguins shrinks
Source: Phys.org