sometimes also because of their content, it can be said that the producers of certain coprolites were vertebrate predators, since a good part of these ichnofossils contain small bone fragments”, say the experts. “What’s more,” they add, “a large part of the bones included in the coprolites are from fish, so it can be ensured that the producers were mostly fish. This means that the predators that produced these fecal masses could have been other fish, crocodiles, salamanders or even turtles ”. Eating strategies Researchers are trying to understand why coprolites are so abundant in the Las Hoyas deposit. Preservation in this site is associated with the presence of microbial mats, capable of protecting the remains and favoring fossilization. When estimating the relative abundance of coprolites in the sediment layers associated with the periods of greatest

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growth of the microbial mats, the percentage of Suriname Email List coprolites in these is up to twenty times higher than in those periods with less development or even without these microbial mats. One of the researchers’ conclusions is that fossil feces make it possible to propose different types of eating strategies. Thus, they suggest that 126 million years ago it could be distinguished between less efficient digestive processes and / or less aggressive acid-enzymatic contents, and more efficient digestive strategies that would give rise to stools in which hardly any bone inclusions appear and more degraded. “These evidences will help us to accurately characterize the trophic relationships of this Cretaceous ecosystem, for which it is necessary to contrast different levels of information. This publication provides the first evidence to assess, according to the sample studied,

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that the less efficient digestive processes were dominant in this ecosystem ”, conclude the experts. The Thiolava Veneris bacterium, discovered in the underwater Tagoro volcano, on the Canary Island of El Hierro, is one of the ten most prominent species in the world according to the new list published on May 23, 2018 by the Faculty of Environmental and Forest Sciences ( ESF) of the State University of New York (United States). The discovery of the new species – published in the journal Nature, Ecology & Evolution in April 2017 – was led by the teams of Professor Miquel Canals, head of the Consolidated Research Group (GRC) in Marine Geosciences of the Faculty of Marine Sciences. Land of the University of Barcelona, ​​and Roberto Danovaro, of thePolytechnic University of Marche (Italy). Since 2008, the ESF publishes each year a list with

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