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Wednesday, 15 June 2022

Geringe Verluste

Die Honigbiene in Österreich hat den vergangenen Winter gut überstanden: Nur knapp neun Prozent der Völker verendeten. Dennoch stehen die Bienen weiterhin unter Stress. Foto: Uni Graz/Brodschneider

Die Honigbiene in Österreich hat den vergangenen Winter gut überstanden: Nur knapp neun Prozent der Völker verendeten. Dennoch stehen die Bienen weiterhin unter Stress. Foto: Uni Graz/Brodschneider

Österreichs Honigbienen haben den vergangenen Winter gut überstanden

Die geringsten Verluste an Honigbienen seit sieben Jahren verzeichnen Österreichs ImkerInnen im vergangenen Winter. Durchschnittlich 8,9 Prozent der Völker verendeten. „Das ist der zweitniedrigste Wert seit Beginn unserer Untersuchungen 2007“, erklärt Robert Brodschneider, Biologe an der Universität Graz. In Tirol und der Steiermark waren es nur rund sieben Prozent, in Wien, Kärnten und dem Burgenland allerdings mehr als zwölf. Die Ursachen für diese Unterschiede könnten mit bestimmten Umweltbedingungen zusammenhängen und müssen erst untersucht werden. Im Mittel lagen die Winterverluste in den letzten 15 Jahren bei 15,3 Prozent, der Negativrekord 2014/15 bei fast dreißig Prozent.

An der heurigen Erhebung beteiligten sich 1233 Imkereien, die insgesamt 26.405 Bienenvölker eingewintert hatten. „Das in den meisten Bundesländern gute Ergebnis ist eine erfreuliche Momentaufnahme. Es bedarf aber weiterer Anstrengungen, die Honigbienen in Österreich gesund zu erhalten“, warnt Brodschneider vor nicht absehbaren zukünftigen Ereignissen. Die gewonnenen Daten sind wichtig zur Risikoanalyse und werden gemeinsam mit denen aus 30 weiteren Ländern ausgewertet.

created by Dagmar Eklaude

Related news

Learning better: Can science experiments in group settings help children with autism?

How can pupils with autism spectrum disorder (ASD) have positive learning experiences and improve their social skills? Researchers at the University of Graz are investigating how science experiments in group settings can contribute to this. Initial results from the project, which is funded by the Austrian Science Fund FWF, show that children react differently depending on the kind of neurodiversity, but that experimentation classes with the right setting definitely have potential. "Pupils with ASD can do more than is currently expected of them in many cases," says project leader Uwe Simon.

Sustainability Award 2024 for two projects of the University of Graz

How do major international conferences reduce their carbon footprint? And what can maths lessons contribute to education for sustainable development? Two questions that were answered at the University of Graz. The corresponding projects were awarded the Sustainability Award 2024 in silver on 26 November in Vienna. This award for Austria's universities and colleges is presented by the Ministry of Science and the Ministry of Climate Protection.

Bees under observation: University of Graz provides unprecedented insights into the hive

What is going on in the combs? How many eggs is the queen laying? How much honey is there? Autonomous robots and AI algorithms provide important data and high-resolution real-time images from inside a beehive. "As part of an international team, we have developed a game-changer technology for a new type of digitalised behavioural research," reports biologist Thomas Schmickl from the Artifical Life Lab at the University of Graz. The publication, which has just appeared as the cover story in the journal "Science Robotics", describes the wealth of information that can be obtained from this unique research facility.

Research for healthy aging: FWF funds Cluster of Excellence "MetAGE" with 18 million euros

Six researchers from the Field of Excellence "BioHealth" at the University of Graz, together with colleagues from the Medical Universities of Graz and Vienna, have acquired an FWF-funded "Cluster of Excellence". Now a newly formed center of excellence will be created under the leadership of the University of Graz. The aim is to gain a better understanding of healthy aging. The findings will flow directly into clinical research.

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