Not only people change the landscape, but also animals – and more than before. Beavers, for example, create entire wetlands, ground meter -high hills and salmon forms. Researchers from Queen Mary University in London have now viewed this further.
“This research shows that the role of animals in the design of the landscapes of the earth is much more important than previously assumed,” said chief author Gemma Harvey. The scientists systematically combined information about freshwater and rural coosystems.
For example, it was shown that Zoetwaterkraben changes the bankerosion and sediment transport. Ant Hills would influence soil erosion and drainage, and beavers in turn had an impact on river landscapes. In addition, tough scorpions, hippos and countless fish have an impact on the landscape.
“Energy of extreme floods”
According to the team, the energy that wild animals use to design the earth’s surface corresponds to “hundreds of thousands of extreme floods”. The study is even greater according to the effect of farm animals such as goats, sheep and horses, also because there are many of them worldwide and there are large mammals. The “natural engineers” would form the surface of the earth together.
Animals in the subtropics and tropics are under -represented by lack of research, the scientists reported. Moreover, small animals such as insects would probably overlook whether those who live underground or under water.
The study was published in the “Proceedings” of the US National Academy of Sciences (“PNAS”).
Source: Krone
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