Nisqually Shellfish Growing Area Upgrades

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Presentation Given By: Margaret Homerding, Nisqually Tribe Shellfish Program Manager

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Nisqually Shellfish Growing Area Upgrades

  1. 1. Local  Shellfish  Growing  Area   Upgrades   &  The  [Upstream]  Prac=ces  That   Allowed  For  Them   Margaret  Homerding   Shellfish  Program  Manager   Nisqually  Indian  Tribe   June  21,  2013  
  2. 2. Shellfish  growing  area  classifica=on   •  You  can’t  harvest  shellfish  from                    everywhere!   – Bacterial  loads  of  freshwater   inputs   – Bacterial  loads  of  marine   water   – Bacterial  loads  and  Toxin   levels  in  shellfish  meats   – Concentra=ons  of  pollutants   in  shellfish  meat  and   sediment  
  3. 3. Courtesy  of  Washington  Department  of  Health  
  4. 4. •  Largely  residen=al  area   – Older  sep=c  systems     – Pets   •  Lots  of  small  farms   – Manure     •  Lots  of  roads   •  Road  runoff   •  Shellfish  Farm   Photo  courtesy  of  Puget  Sound  Partnership   Henderson  Inlet  Watershed  
  5. 5. Photo  courtesy  of  Puget  Sound  Partnership   Photo  courtesy  of  Skokomish  Indian  tribe   Stewardship  partners  
  6. 6. Courtesy  of  Washington  Department  of  Health  
  7. 7. •  Urban   •  Densely  populated     – Sewer  ou[alls   – Poten=al  heavy  metal      pollu=on  from  industry            and  roadways   JBLM/Chambers  Creek  Area  
  8. 8. •  EPA-­‐funded  NEP  grant   •  4  year  project   •  Start  date  Oct.  1,  2010   •  DOH  lead;  partners    include  Nisqually  Tribe,     Department  of  Ecology   Joint  Base  Lewis-­‐McChord/Chambers  Creek  Prohibited   Area   Courtesy  of  WADOH  
  9. 9. Elements  of  Study   •  An  evalua=on  of  shellfish  resources     •  A  human  health  assessment,  including  =ssue  and   sediment  sampling   •  Circula=on  and  dilu=on  studies  
  10. 10.  Shellfish  Resource  Survey   • Qualita=ve  Inter=dal   Survey   • Underwater  Towed   Video  Survey   • Sub=dal  SCUBA   Survey  
  11. 11. Inter=dal    Shellfish  Survey   • Walking  the   shoreline  at  low  =de   • Digging  samples  of   clams   • Coun=ng  oysters  and   other  shellfish   observed   • No=ng  any  cri=cal   Habitat  
  12. 12. Photo  by  Michael  Kyte   Inter=dal    Shellfish  Survey   • Lifle  to  few  clams  or   oysters   • Loss  of  habitat  due  to   development   •   armoring  of   shoreline  
  13. 13. Underwater  Video  Survey   • Towing  a  video   camera  behind  a  boat   • Must  go  slowly     • Constantly  liging   and  dropping   camera  to  stay  close   to  the  bofom  
  14. 14. Underwater  Video  Survey   • Poten=al  Geoduck   and  Horseclam  beds   • Eelgrass  beds    
  15. 15. • SCUBA  diving  along  set   transects   • Coun=ng  geoduck  and   horseclams   • No=ng  any  observed   species   • Marking  any  cri=cal   habitat   Sub=dal  Shellfish  Survey  
  16. 16. Sub=dal  Shellfish  Survey   • Large  tracts  of  geoduck   beds   • Rela=vely  few  horse   clams   • Several  crabs  
  17. 17. •  Collec=ng   sediment  and   geoduck   samples   •  Analysis  of   samples  for   likely   contaminates   Human  Health  Assessment  
  18. 18. •  Contact  or  inges=on  of   sediments  will  not  have   deleterious  affects  to   human  health   •  Inges=on  of  geoduck  meat   will  not  increase  risk  of   disease   Human  Health  Assessment  
  19. 19. Circula=on  and  dilu=on  Studies   •  Drogue  study  to  verify  =me  of  =de   change   •  Fluorometers  installed  in  front  of   geoduck  tracts  and  public  beaches   •  Dye  injected  for  24.8  hours     •  Dye  tracked  un=l  gone  
  20. 20. Mixing  dye   Photo  courtesy  of  WADOH  
  21. 21. Dye  injec=on  into  wet  well  ager  UV   Photo  courtesy  of  WADOH  
  22. 22. Tracking   Tracking  the  Dye   Photo  courtesy  of  WADOH  
  23. 23. Monday  11/12/12    morning   Photo  courtesy  of  WADOH  
  24. 24. Preliminary  Dye  Study  Results   •  Lifle  or  no  dye  got  across  channel  or  to  north   Ketron   •  Dye  was  restricted  between  Sunnyside  Beach  to  the   south  during  flood  =de  and  along  the  east  shore   north  past  Day  Island  Marina  during  ebb  =de.     •  Final  closure  zone  for  Chambers  Creek  WWTP   should  not  impact  Fox  Island,  McNeil  Island  or   Ketron  Island  geoduck  tracts.    
  25. 25. Next  steps   •  Complete  Sub=dal  Resource  Surveys   •  Dye  injec=on  study  at  JBLM  Sewage  treatment   plant   •  Recommenda=ons  to  state  based  on  findings   •  More  projects  
  26. 26. Resources   •  Mark  Toy.  Washington  State  Department  of  Health.  Restoring  Shellfish   Harvest  to  Joint  Base  Lewis-­‐McChord/Chambers  Creek  Prohibited  Area.   2013  Pacific  Rim  Shellfish  Sanita=on  Conference.  Presented  April  3,  2013   •  Bradbury,A.,  Sizemore,  R.,  Rothaus,  D.,  Ulrich,  M.  Washington  Stat  eMarine   Resources  unit  Fish  Management  Division  Fish  Program.  Stock  Assessment   of  Sub=dal  Geoduck  Clams  (Panopea  abrupta)  in  Washington.  January   2000.   •  Nisqually  Reach  and  Henderson  Inlet    Shellfish  Protec=on  Districts     Combined  Shellfish  District  2008  Annual  Report.  Available  at:   hfp://www.co.thurston.wa.us/planning/natural-­‐res/docs/shellfish-­‐annual-­‐ report-­‐2008.pdf.  Accessed  6/21/2013  

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