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Vanilla 1.1.8 er et produkt af Lussumo. Mere Information: Dokumentation, Community Support.

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      CommentAuthorAdmin
    • CommentTime28 Jul 2017 ændret
     
    "The Krefeld Entomological Society, has seen the yearly insect catches fluctuate, as expected. But in 2013 they spotted something alarming. When they returned to one of their earliest trapping sites from 1989, the total mass of their catch had fallen by nearly 80%. Perhaps it was a particularly bad year, they thought, so they set up the traps again in 2014. The numbers were just as low. Through more direct comparisons, the group—which had preserved thousands of samples over 3 decades—found dramatic declines across more than a dozen other sites."
    Læs hele den foruroligende artikel på http://www.sciencemag.org/news/2017/05/where-have-all-insects-gone
    Skulle en eller anden specialestuderende eller forsker have lyst til at analysere data fra Danmark, stiller vi gerne data fra vores database med næsten 1 mio observationer til rådighed.
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