The blue planet seas of life watch4/9/2024 ![]() Original authors were Tammy Horton (University of Southampton), Andreas Kroh (Natural History Museum Vienna) and Leen Vandepitte (Flanders Marine Institute, VLIZ). ![]() The text in this methodology section is republished from a The Conversation article under a Creative Commons license. Most undiscovered creatures likely remain in the least explored habitats such as the deep oceans, the most diverse environments such as tropical shallow seas, and the most diverse groups including molluscs and crustaceans. The Blue Planet 58 mins Despite two-thirds of our planet being covered by water, the oceans and many of their inhabitants remain an unexplored mystery. This includes species from relatively well known groups such as fish, almost 1,500 of which were described in the past decade. But we do know that 242,500 marine species have been described because their names are now managed in the World Register of Marine Species ( WoRMS) by about 300 scientists located all over the world.Įvery year, almost 2,000 marine species new to science are added to the register. The Blue Planet & Blue Planet II are streaming on HBO. This means that, after 250 years of describing, naming and cataloguing the species we share our planet with, we are still a long way off achieving a complete census. Blue Planet II in 2017, digging into The Big Blue and Green Seas. Documentary Shafts of sunlight are the vital source of energy used by the countless billions of plankton that grow every spring and summer in the worlds temperate sea, the richest of all habitats. The very high estimates (any larger than 10m) are now thought unlikely by many, but current common estimates still vary between around 0.3m and 2m marine species. According to a study from 2012, the average time between the discovery of a new species and its description is 21 years.īecause each method relies on assumptions and particular datasets, they have resulted in wide variations in estimates. Some methods have used expert opinion on how many unknown species are expected in a particular group the expert works on, based on potential new species that they know of but haven’t yet been described.
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