@KnutEnergi @lindbergpolemik @foffe71 På grund av att mortaliteten är konstant hög, så kan antalet bin variera mycket kraftigt år/år (små skillnader i mortalitet -> mycket fler eller färre bin). Se tex den här artikeln om årlig colony loss hos bin i US
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Recent US #beekeepers surveys summer #bees loss rises #pollinators #ccd http://t.co/IFT0x9h1Th http://t.co/fT5CCfBkp0 http://t.co/p1lWllDpey
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USA total winter losses one of lowest in 8 years, but 66% beekeepers had higher losses than they deemed acceptable. http://t.co/ixZlMnn414
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Colony collapse disorder was primarily a media event that continues today. Not listed in top 3 causes of bee losses. http://t.co/4XxkkZzZQe
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Colony collapse disorder was primarily a media event that continues today. Not listed in top 3 causes of bee losses. http://t.co/4XxkkZzZQe