USGS researcher collects data on saguaro blooming patterns for phenology study
Detailed Description
Southwest Biological Science center research ecologist Daniel Winkler photographs the top of a saguaro using the "world's largest selfie stick" to collect phenology data for a study that examined saguaro flowering patterns.
Sources/Usage
Public Domain.
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The iconic giant saguaro cactus in the Sonoran Desert
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Related
The iconic giant saguaro cactus in the Sonoran Desert
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