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 VIDEOS

NIST Colloquium Series: Are Bees Declining? Measuring the Status of 4,000 U.S. Bee Species

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  All bees feed pollen to their young.  After 100 million years of experimentation
and evolution, about 75% of the plants living in North America have decided
that feeding bees pollen is in their self-interest, too. The complexity of this
arrangement is phenomenal, with bee species evolving to mirror the shapes,
chemistry and bloom times of the flowers that grow nearby. Sam Droege of the U.S. Geological Survey has been identifying some
of the 4000+ species considered native to this country for the last decade. His
presentation introduces the complexity of bees, as well as the ongoing technical challenges of tracking and measuring
their relationships to the ecosystem. The talk was recorded March 23, 2018.

Uploaded On
                                June 19, 2018
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