DNA pollen testing shows which flowers bees need after wildfires
Maust A, Reese E, Strait M, Tobin P.
Pollinators
If you're replanting a burned slope or a fire-prone hillside near your home, knowing which specific flowers native bees actually rely on tells you what to seed first instead of guessing.
Scientists swabbed pollen off of wild bees and other native pollinators living in areas that had recently burned, then used DNA testing to identify exactly which plant species that pollen came from. This let them pinpoint the specific flowers doing the heavy lifting for pollinator survival in post-fire landscapes, information that's hard to get just by watching bees visit flowers with the naked eye.
Key Findings
DNA metabarcoding of pollen samples identified the specific plant species native pollinators relied on in burned landscapes
A subset of flowering plants emerged as disproportionately important floral resources compared to the full range of plants available post-fire
The genetic approach detected plant-pollinator associations that direct observation methods would likely have missed
chevron_right Technical Summary
Researchers used DNA testing on pollen collected by native bees to figure out which flowering plants matter most for pollinators after wildfires sweep through a landscape. The findings can help land managers decide which plants to prioritize when restoring burned areas.
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