Recent updates have brought to notice that a large trail of iron-rich water has been found coming out from the hydrothermal vents in the southern Atlantic Ocean. This has been found to have increased the global concentrations of this important marine nutrient.
A team of oceanographers from the Woods Hole Oceanographic Institution (WHOI) and the University of Liverpool in the U. K. has discovered the region in the southern Atlantic Ocean. According to them, the team members had not witnessed anything of this kind in the region before.
Iron is a nutrient that is seldom discovered in the water. And if it is available, then the phytoplankton bloom can be averted. This is dubbed as a limiting nutrient for phytoplankton. So, this means that the regions that do not carry this nutrient usually do not witness any floating plant life.
Earlier, it was considered by the researchers that the world's fastest-spreading hydrothermal ridges of the Pacific Ocean triggered more dissolved iron than the slower-spreading ridges of the Mid-Atlantic Ridge.
According to the experts, iron reaches the plankton through a variety of sources, including hydrothermal vents, underwater volcanoes and mineral-rich water from beneath the Earth's crust. It also finds its way from the iron contained dust that comes from the large deserts like Sahara.