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Keystone arter
En keystone art er en art, typisk dyr eller plante, der har en stor effekt på organismerne i økosystemet. Keystone arter er for eksempel store rovdyr så som ulve eller havoddere, der regulerer antallet af dets bytte.
Keystone arter inkluderer også de såkaldte ”ingeniører” så som bævere eller elefanter, der ændrer miljøet således at andre arter drager fordel af det.
This project (EDU-ARCTIC) has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 710240. The content of the website is the sole responsibility of the Consortium and it does not represent the opinion of the European Commission, and the Commission is not responsible for any use that might be made of information contained.