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The Size of Marine Bacteria Decreases Due to Climate Change
International, 7/17/2015

According to a study by researchers at the Oceanographic Centre of Gijón, from 10 years of data of the Asturian continental platform (north coast of Spain), it was found that in bacteria of low-nucleic acid (LNA) the characteristics of nutrient-poor waters have a general reduction in cell size, which would affect the ocean's ability to capture and store CO2.

After analyzing the Asturian continental platform (between 2002 and 2012), the researchers validated for smaller planktonic organisms predictions, about reducing body size due to global warming.

The study noted that this trend could boast a reduction in the efficiency of the biological pump responsible for the sequestration of atmospheric CO2 in the interior of the oceans. "

At the same time it points out that in the future this group of bacteria, mainly represented by the clade SAR11, in environments with low nutrient concentration, typically tropical and subtropical, could also dominate the bacterioplankton of temperate ecosystems, like the Bay of Biscay.

The study was also published in the journal Proceedings of the Royal Society B – Biological Sciences, and was led by José Angel Morán, IEO researcher and professor at the King Abdullah University of Science and Technology (KAUST) in Saudi Arabia.


Source:http://www.informador.com.mx/tecnologia/2015/598830/6/reducen-bacterias-marinas-tamano-debido-al-cambio-climatico.htm

Topic(s):    Climate