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Biodiversity briefing sparks broad public debate over invasive species management and herbicide use
Summary
A Department of the Environment briefing on local biodiversity prompted extended public comment. Scientists and city staff described San Francisco’s biodiversity, while many community speakers split over the use of herbicides in natural areas — some urging targeted control of invasive species, others calling for bans on Tier 1/Tier 2 herbicides and invoking the precautionary principle.
SAN FRANCISCO — The Department of the Environment presented a citywide biodiversity briefing March 22 that highlighted San Francisco’s unique flora and fauna, the city’s stewardship history and partnerships, and restoration projects across parks and natural areas.
Peter Brasdow, the department’s biodiversity coordinator, outlined program goals: conserve and restore local nature, connect residents to neighborhood natural spaces and support volunteer stewardship programs. "What we're really trying to do is evolve a healthier culture of local nature stewardship," Brasdow said during his introduction.
Dr. John Haffernick (San Francisco State University) framed the Bay Area as part of…
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