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Credit: © Manuel Steinbauer. Humans have significantly altered biodiversity in all climate zones of the Earth. This has been shown by a study now published in Science. Led by Prof. Dr. Manuel Steinbauer at the University of Bayreuth, and Dr. Sandra Nogué at the University of Southampton, an international team has investigated how the flora on 27 islands in different regions has developed over the last 5,000 years. Almost everywhere, the arrival of humans has triggered a markedly accelerated change in species composition in previously pristine ecosystems. This dynamic was particularly pronounced on islands colonised in the last 1,500 years. The 27 islands selected for this study were never connected to the mainland and had been colonised by humans during the study period. Within these islands, pollen of wind-pollinated plants lies since millenia deposited in the sediments of lakes and bogs. The pollen was extracted from the sediment layers, dated, and identified to a respective

Manuel steinbauerSandra noguGerman research foundationUniversity of southamptonEnvironmental research bayUniversity of bayreuthBayreuth centre for ecologyGalapagos islandsRobinson crusoe islandBayreuth centreEnvironmental researchமானுவல் ஸ்டீன்ப au ர்ஜெர்மன் ஆராய்ச்சி அடித்தளம்பல்கலைக்கழகம் ஆஃப் சவுத்தாம்ப்டன்சுற்றுச்சூழல் ஆராய்ச்சி வளைகுடாக்யாலபாகொஸ் தீவுகள்