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University of Southampton: Study reveals extent of impact of human settlement on island ecosystems

University of Southampton: Study reveals extent of impact of human settlement on island ecosystems
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Mary edwardsAlvaro castilla beltrSandra noguCabo verdeUniversity of southamptonCanary islandsPalaeoenvironmental sciencePhysical geography

University of Southampton: Study reveals extent of human impact on the world s plant-life – India Education | Latest Education News India | Global Educational News

Share Research has shed new light on the impact of humans on Earth’s biodiversity. The findings suggest that the rate of change in an ecosystem’s plant-life increases significantly during the years following human settlement, with the most dramatic changes occurring in locations settled in the last 1500 years. An international research team studied fossilised pollen dating back 5000 years, extracted from sediments on 27 islands. By analysing the fossils they were able to build up an understanding of the composition of each island’s vegetation and how it changed from the oldest to the most recent pollen samples. The study was led by Dr Sandra Nogué, Lecturer in Palaeoenvironmental Science at the University of Southampton, UK and Professor Manuel Steinbauer from the University of Bayreuth, Germany and University of Bergen, Norway. PhD student Dr Alvaro Castilla-Beltrán was also a member of the Southampton team.

New caledoniaUnited kingdomManuel steinbauerAlvaro castilla beltrSandra noguUniversity of southamptonUniversity of bergenUniversity of bayreuthPalaeoenvironmental scienceProfessor manuel steinbauerபுதியது கலிடோனியாஒன்றுபட்டது கிஂக்டம்மானுவல் ஸ்டீன்ப au ர்பல்கலைக்கழகம் ஆஃப் சவுத்தாம்ப்டன்பல்கலைக்கழகம் ஆஃப் பெர்கன்

Scale of human impact laid bare in new island study

Scale of human impact laid bare in new island study 30 April 2021 When humans arrive on an island they have an immediate and dramatic impact on the ecosystem, according to a new international study which included scientists from The Australian National University (ANU). The study looked at 27 remote islands across the globe and found they had something in common. When humans arrive on these islands the ecosystem immediately starts to change. But even more importantly, it keeps changing - it s still changing now in most cases, ANU co-author Dr Simon Connor said. The change is also permanent. There s no going back because our impact as humans is so profound. This is worrying because the islands have really special biodiversity, including species that aren t found anywhere else in the world.

Simon haberleSimon connorSandra noguJanelle stevensonUniversity of southamptonAustralian national universityAssociate professor janelle stevensonProfessor simon haberleStrategic communications amp public affairsசிமோன் இணைப்பான்ஜனேல்லே ஸ்டீவன்சன்பல்கலைக்கழகம் ஆஃப் சவுத்தாம்ப்டன்ஆஸ்திரேலிய தேசிய பல்கலைக்கழகம்மூலோபாய தகவல்தொடர்புகள் ஆம்ப் பொது வாழ்க்கைத்தொழில்கள்

Environmental News Network - International Study: Humans Accelerate the Change of Biodiversity

Manuel steinbauerSandra noguUniversity of southamptonUniversity of bayreuthPhoto creditமானுவல் ஸ்டீன்ப au ர்பல்கலைக்கழகம் ஆஃப் சவுத்தாம்ப்டன்புகைப்படம் கடன்

International study: Humans accelerate the change of biodiversity

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

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