Local coordination to preserve culturally sensitive plants
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Local Coordination to Preserve Culturally Sensitive Plants. Sarah Ryan Big Valley Rancheria EPA Western Region Pesticide Meeting May 2005. Pesticide Issues in Lake County:. Pesticide drift and historical pesticide residues Lack of education about Tribal use of plants

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Local Coordination to Preserve Culturally Sensitive Plants

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Local Coordination to Preserve Culturally Sensitive Plants

Sarah Ryan

Big Valley Rancheria EPA

Western Region Pesticide Meeting May 2005


Pesticide Issues in Lake County:

  • Pesticide drift and historical pesticide residues

  • Lack of education about Tribal use of plants

  • Unknown contamination of sensitive plants


Some Findings:

  • Elevated levels of copper, barium, zinc in tules

  • At Big Valley, organochlorine pesticides, arsenic, elevated copper, lead, iron and zinc found in sediment along the eastern boundary of Rancheria

  • Basketweavers are altering their methods to avoid possible contact with pesticides


Actions taken:

  • BVR received US EPA funding - quantify pesticide routes of exposure for local Tribes

  • Tribes began project with CA Dept of Food and Agriculture to sample tules for fluridone herbicide used in hydrilla eradication program

  • Extensive comments and interaction with county on its Aquatic Plant Management Plan


Clear Lake Region Pesticide Environmental Risk Project

  • Community scoping meetings

  • Native plant list

  • Pesticide assessments

  • Workshops


Tule Project with CDFA

  • Began as a response in November 2004 to concern that Tribes raised about pesticide residue in traditional foods

  • Tribal/CDFA meeting in January 2005 to discuss tule consumption (how, when and where)

  • CDFA currently developing methodology for analyzing fluridone in tules, water and sediment, at Clear Lake in 4 different locations (chosen by the Tribes)

  • CDFA will conduct sampling during May 2005, (pre and post fluridone application) and share info


Clear Lake Integrated Aquatic Plant Management Plan

  • Tribes offered information on use and consumption of lake plants/animals

  • Tribes made detailed comment on 2 drafts of plan, made corrections to assumptions about Tribal use of Lake


Native Plant List

  • Compile list of plants with collection times, uses, general gathering areas

  • Overlay with local pesticide use info (what, where, when)

  • Use information to determine the plants that need attention

  • Create pamphlet that educates the public about need for native plant preservation


Summary of Local Coordination

  • Assessments will assist Tribes with management of resources

  • Tribal discussion of concerns about sensitive plants

  • Coordination with state on pesticide sampling of traditional food

  • Tribal consumption information included in county pesticide risk assessment

  • Education of local community with native plants pamphlet


Keep vigilant and stay involved:

  • County’s Aquatic Plant Management Plan did not use Tribal consumption numbers

  • Pesticide drift incidents continue to occur

  • Pesticide sampling rarely takes place on foods consumed by Tribal members

  • “How can we eat our subsistence food if our food is contaminated?”

    This is a work in progress…


Contact: sryan@big-valley.net

707-263-3924 x109

cell 707-349-4040


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