Like its predecessor, The Blue Planet (2001), it is narrated and presented by naturalist Sir David Attenborough. Original authors were Tammy Horton (University of Southampton), Andreas Kroh (Natural History Museum Vienna) and Leen Vandepitte (Flanders Marine Institute, VLIZ). ( ) Blue Planet II is a 2017 British nature documentary series on marine life produced by the BBC Natural History Unit. This is something that the Fluval BioMax ring-shaped pieces don. Furthermore, Seachem Matrix has an organic design, shape, and size, meaning it mirror bio media in a natural environment. The text in this methodology section is republished from a The Conversation article under a Creative Commons license. Although it shares a lot of similarities with Fluval BioMax bio media, it has some obvious advantages, including overall better ratings and material quality. 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. This weeks episode focuses on how plastic affects sea creatures. This includes species from relatively well known groups such as fish, almost 1,500 of which were described in the past decade. The people behind Blue Planet 2 say there was rarely a time when they were filming that they didnt come across plastic in the sea. 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. 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. Dutkiewicz said, 'We were surprised to find these 2.4-million-year cycles in our deep-sea sedimentary data. 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. The numbers speak for themselves - Blue Planet II is a documentary of epic proportions. 4 years, 125 expeditions across 39 countries and over 6000 hours of underwater dive footage. 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. If there’s one documentary you watch this year, make it Blue Planet II. 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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