Most of our knowledge about marine biodiversity comes from the shallow oceans and the seabed, while the deep, dark water column remains largely unexplored, says the research published in the journal PLoS One.
The reason stems from one of the pioneers of marine biology, Charles Wyville, who in the 1870s believed that life was confined to the upper layer of the oceans and the seabed, with the bit in the middle devoid of larger creatures.
More recent sampling has overturned this idea. Animals that have been found to live in these pelagic waters include megamouth sharks and giant squid.
Understanding the distribution of marine life is important for the sustainable management of marine ecosystems, said the researchers.
“It’s shocking that in 2010, the International Year of Biodiversity, the largest habitat on Earth remains virtually unexplored,” said lead researcher Dr. Tom Webb of the University of Sheffield in a press release.
Read the research paper.
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