DNA Analysis of Seawater Detects 80% of Fish Species in Just One Day
A Japanese research group has used a new technology that identifies multiple fish species populating local areas by analyzing DNA samples from seawater, and proved that this method is accurate and more effective than visual observation.
These findings show that even in areas with many different fish species, eDNA metabarcoding enables researchers to survey fish in multiple areas during a short time period. This method has potential applications for monitoring the invasion of foreign species across large areas, surveys of expanding fish distribution, and use in hard to access areas such as the deep sea, subterranean lakes, dangerous polluted waters, and protected areas where collecting specimens is prohibited. The findings were published on January 12 in Scientific Reports.
This research was carried out as part of the Japan Science and Technology Strategic Basic Research Programs by a group including Academic Researcher YAMAMOTO Satoshi (Kobe University Graduate School of Human Development and Environment), Associate Professor MASUDA Reiji (Kyoto University), Professor ARAKI Hitoshi (Hokkaido University), Professor KONDOH Michio (Ryukoku University), Project Assistant Professor MINAMOTO Toshifumi (Kobe University Graduate School of Human Development and Environment), and Adjunct Associate Professor MIYA Masaki (Head of Department of Ecology and Environmental Sciences, Natural History Museum and Institute, Chiba).
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Source: http://www.ineffableisland.com/2017/01/dna-analysis-of-seawater-detects-80-of.html
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Yeah, except, that’s not exactly representative, is it?
Let’s consider this for a moment, you take an averaged sample of sewage with some piss in it (amongst all the shit), the piss is normally a limited indicator of a specimen.
Now, you have to remember, a lot of that sewage is also radioactive and chemically altered, by the environmental factors, which is mostly shit. Anyway, now, based on that water sample filled with tainted, radioactive shit and piss, I’m guessing, some mutations and mistakes in analysis, other than just the fact that they are NOT analyzing the actual animals they’re trying to classify, is a major failure of reasoning.