Arctic Tundra (image) Aarhus University Caption A major new research project has revealed what controls the food net in the vulnerable Arctic tundra. Surprisingly, the researchers found parallels to a completely different climatic region -- the savannah. Credit Photo: Niels Martin Schmidt Usage Restrictions To be used only in relation to this news release Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.