Stu Weiss at November 2012 Gathering
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This document discusses the timeline of observations and conservation efforts related to the Bay checkerspot butterfly population in Santa Clara County, California from 1986 to 2012. Key events include the first observations in 1986, recognition of nitrogen deposition impacts in 1993, habitat loss from 1992-2000, conservation activities from 1999-2012 including land acquisition and creation of the Habitat Conservation Now organization, and votes finalizing the habitat conservation plan from 2012. The timeline shows increasing awareness of and response to threats to the butterfly population over 26 years of observation and conservation work.
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Stu Weiss at November 2012 Gathering
- 4. Timeline • 1986 – first observations
- 5. In absence of cattle grazing in South Bay (1 cow-calf/10 ac), introduced annual grasses overrun habitat within several years (repeatable- too many times).
- 6. Timeline • 1986 – first observations • 1993 – N-deposition awareness
- 7. Dry Nitrogen Deposition Smog is slow release N-fertilizer
- 8. Timeline • 1986 – first observations • 1993 – N-deposition awareness • 1992-2000 – Silver Creek Hills Trainwreck • 1999 – Cars, cows and checkerspot butterflies Conservation Biology 13:1476-1486 Dec 1999
- 10. Timeline • 1986 – first observations • 1993 – N-deposition awareness • 1992-2000 – Silver Creek Hills Trainwreck • 1999 – Cars, cows and checkerspot butterflies • 1999-2001 – Metcalf Energy Center • 2001 – Highway 101, HCP commitment • 2002-2006 – Los Esteros, Silicon Valley Power Powerplants
- 11. Metcalf Energy Center, Tulare Hill Large point source, incremental effects in an already polluted region (cumulative impacts) Precedent setting mitigation in 2000: 131 acres + $1.4 million endowment + operating expenses 30-years Two other powerplants, 80 acres + $700,000 endowment
- 12. Widening Highway 101: 2001 500+ acres. Fee title VTA, managed by SCCOSA Commit to Santa Clara County HCP/NCCP:
- 13. N-side Tulare Hill 2002
- 14. N-side Tulare Hill 2007
- 15. Timeline • 1986 – first observations • 1993 – N-deposition awareness • 1992-2000 – Silver Creek Hills Trainwreck • 1999 – Cars, cows and checkerspot butterflies • 1999-2001 – Metcalf Energy Center • 2001 – Highway 101, HCP commitment • 2002-2006 – Los Esteros, Silicon Valley Power Powerplants • 2003 – Flower Power I tours • 2005-2012 HCP/NCCP • 2011 – Flower Power II tours
- 16. Operation Flower Power: The Ultimate Grassroots Lobbying Dry deposition – Dominant in California Santa Clara Co. Supervisor Blanca Alvarado (2002)
- 17. Congressman Dry deposition – Dominant in(2005) Jerry McNerney California Docent led tours 2007-present
- 18. Timeline • 1986 – first observations • 1993 – N-deposition awareness • 1992-2000 – Silver Creek Hills Trainwreck • 1999 – Cars, cows and checkerspot butterflies • 1999-2001 – Metcalf Energy Center • 2001 – Highway 101, HCP commitment • 2002-2006 – Los Esteros, Silicon Valley Power Powerplants • 2003 – Flower Power I tours • 2005-2012 HCP/NCCP • 2011-2012 – Habitat Conservation Now • 2011 - Flower Power II tours
- 19. Habitat Conservation Now www.habitatconservationnow.org Santa Clara Valley Chapter CNPS Greenbelt Alliance Committee for Green Foothills Santa Clara Valley Audubon Society The Nature Conservancy Loma Prieta Chapter Sierra Club Funding from Moore Foundation
- 20. Timeline • Fall 2012 Votes on Final Plan • Santa Clara Valley Water District ↑ 7-0 • Santa Clara County ↑ 3-2 • Morgan Hill ↑ 5-0 • Gilroy ↑ 4-3 • San Jose ? – Dec 4, 2012 vote •Many thanks to USFWS and CDFG! •2011-2012 – Habitat Conservation Now • 2011 - Flower Power II tours
- 21. www.bayarealands.org CLN Final Report Chapter 9 Viability Summary 2 N-deposition
- 22. Chemical Climate of California Initiative with CNPS, Cal- IPC, and others to inject N-deposition mitigation into CEQA and ESA Powerplants in San Diego Co. Antioch Dunes NWR
- 23. Tons NOx/day TWC 250 200 150 San Francisco San Mateo 100 Santa Clara 50 0 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 NOx is down, but NH3 is up!