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Survey Records
Raw observations
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Monitoring Sites
Unique named locations
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Sites Improving
Weed cover declining over time
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Biocontrol Agents
Across weed species · states
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— sites
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🗺️ Monitoring Site Map
Sites — click any dot to see site details
Improving (>10% decline)
Stable (±10%)
Worsening (>10% increase)
Single observation
Show:
Average Target Weed Cover (%) by Year
Avg % ground cover of monitored invasive species across all active sites — lower is better
Avg Stem Count per Site
Mean weed stem counts — declining numbers signal biocontrol success
Avg Insect (Bioagent) Count per Site
Biological control agent presence — higher counts drive weed suppression
🏆 Success Stories —
⚠️ Struggling Sites —
Site Drilldown
👆 Click any site above or on the map to see its full year-by-year trajectory