Dennis vanEngelsdorp

Dennis vanEngelsdorp: Arılar için bir rica

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Arılar toplu halde ölüyorlar. Neden? Başlıca arıcılardan Dennis vanEngelsdorp bu nazik, yanlış anlaşılan yaratıkların doğadaki önemli konumunu ve yok olma sinyallerinin ardındaki gizemini anlatıyor.

About the speaker
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.