Dennis vanEngelsdorp

Dennis vanEngelsdorp: Vetoomus mehiläisten puolesta

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Mehiläisiä kuolee parvittain. Johtava mehiläistutkija Dennis vanEngelsdorp tarkastelee herkkien ja väärinymmärrettyjen mehiläisten paikkaa luonnossa ja niiden huolestuttavan katoamisen arvoitusta.

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Dennis vanEngelsdorp · Bee expert

Dennis vanEngelsdorp is Acting State Apiarist for Pennsylvania's Department of Agriculture, studying colony collapse disorder — the alarming, worldwide disappearance of worker bees and Western honey bees.

Dennis vanEngelsdorp is Acting State Apiarist for Pennsylvania's Department of Agriculture, studying colony collapse disorder — the alarming, worldwide disappearance of worker bees and Western honey bees.