Key Takeaways
- Global honey bee colony numbers dropped from 99.6 million in 2019 to 95.2 million in 2023, a 4.4% decline
- Worldwide pollinator-dependent crop production value fell by 12% between 2010 and 2022 due to bee declines
- Apis mellifera populations in Europe and North America combined declined by 25% since 1990
- US commercial beekeepers reported 48.2% colony loss in 2022-2023 season
- USDA: US managed honey bee colonies declined from 2.8 million in 2020 to 2.7 million in 2023
- 62% of US beekeepers lost over 40% of colonies in 2023 survey
- Europe honey bee colonies declined 20% from 2000-2020 across EU
- UK bumblebee populations down 59% since 1980 in monitored plots
- France reported 30% colony losses in 2023 due to pesticides
- Neonicotinoids caused 50% bee mortality in field trials across EU
- Imidacloprid exposure reduces bee foraging success by 60%
- Glyphosate linked to 27% decline in bee gut microbiome health
- Habitat loss converted 50% of US grasslands to cropland since 2000
- Climate change shifted bee emergence 10 days earlier, mismatch with flowers
- Droughts reduced US bee forage by 40% in 2022
Bee populations worldwide are declining sharply, threatening agriculture and ecosystems.
European Data
European Data Interpretation
Habitat and Climate Factors
Habitat and Climate Factors Interpretation
Pesticide Impacts
Pesticide Impacts Interpretation
US Managed Bees
US Managed Bees Interpretation
Worldwide Declines
Worldwide Declines Interpretation
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