marin 2008 -...
TRANSCRIPT
Marin 2008
Jul Oct
Jan Apr
Jul Oct
Jan Apr
Jul Oct
Jan Apr
Jul Oct
Jan Apr
Jul Oct
Jan Apr
Jul
Tota
l pre
cipi
tatio
n (m
m)
0
100
200
300
400
500
600
Spores in rainwater 2001-06
month
Mea
n cf
u/L
+ S
E
0
50
100
150
200
250
2001 2002 2003 2004 2005 2006
Big Sur 2008
Map from www.suddenoakdeath.orgM. Kelly, UC-Berkeley
Distribution of Phytophthora ramorum in forests- 2008
Wildland Monitoring/Research
•Aerial Survey •Risk-based ground survey•Watershed monitoring•Permanent plot studies
Stream Monitoring150 streams14 counties
Source: S. Murphy, K. Aram
DEL NORTE
HUMBOLDT
MENDOCINO
SONOMA
CONTRA COSTA
ALAMEDA
MONTEREY
SANTA CRUZ
SAN LUIS OBISPO
EL DORADO
BUTTE
PLACER
YUBA
Figure 1. Map of California stream monitoring sites.Sites with P.ramorum recovered (see Table 1 for further information).
DEL NORTE
HUMBOLDT
MENDOCINO
SONOMA
CONTRA COSTA
ALAMEDA
MONTEREY
SANTA CRUZ
SAN LUIS OBISPO
EL DORADO
BUTTE
PLACER
YUBA
Figure 1. Map of California stream monitoring sites.Sites with P.ramorum recovered (see Table 1 for further information).
DEL NORTE
HUMBOLDT
MENDOCINO
SONOMA
CONTRA COSTA
ALAMEDA
MONTEREY
SANTA CRUZ
SAN LUIS OBISPO
EL DORADO
BUTTE
PLACER
YUBA
Figure 1. Map of California stream monitoring sites.Sites with P.ramorum recovered (see Table 1 for further information).
DEL NORTE
HUMBOLDT
MENDOCINO
SONOMA
CONTRA COSTA
ALAMEDA
MONTEREY
SANTA CRUZ
SAN LUIS OBISPO
EL DORADO
BUTTE
PLACER
YUBA
DEL NORTE
HUMBOLDT
MENDOCINO
SONOMA
CONTRA COSTA
ALAMEDA
MONTEREY
SANTA CRUZ
SAN LUIS OBISPO
DEL NORTE
HUMBOLDT
DEL NORTE
HUMBOLDT
DEL NORTE
HUMBOLDT
DEL NORTE
HUMBOLDT
DEL NORTE
HUMBOLDT
DEL NORTE
HUMBOLDT
MENDOCINO
SONOMA
CONTRA COSTA
ALAMEDA
MENDOCINO
SONOMA
CONTRA COSTA
ALAMEDA
MENDOCINO
SONOMA
CONTRA COSTA
ALAMEDA
MONTEREY
SANTA CRUZ
SAN LUIS OBISPO
MONTEREY
SANTA CRUZ
SAN LUIS OBISPO
EL DORADO
BUTTE
PLACER
YUBA
EL DORADO
BUTTE
PLACER
YUBA
EL DORADO
BUTTE
PLACER
YUBA
EL DORADO
BUTTE
PLACER
YUBA
Figure 1. Map of California stream monitoring sites.Sites with P.ramorum recovered (see Table 1 for further information).
Figure 1. Map of California stream monitoring sites.Sites with P.ramorum recovered (see Table 1 for further information).
Collaborators:Wally Mark, Cal PolyDon Owen, CDFJack Marshall, CDFYana Valachovic, UCCE
Map from www.suddenoakdeath.orgM. Kelly, UC-Berkeley
Distribution of Phytophthora ramorum in forests- 2008
Big Sur Fires
Basin ComplexChalk
Source: Zack Heath, Forest Health Protection
Meentemeyer et al. 2008
SOD Impacts
2006
2008
Management Actions
• Monitoring• Diagnosis• Eradication• Stand Manipulation• Fire• Fungicides• Prevention of Human Spread• Restoration
Sudden Oak DeathInfested Sites and Quarantine Area
Year = 2007
Quarantine = 26 mi2
Source: A. Kanaski
Humboldt CountyMortality and
Treatment Areas
Source: Y. Valachovic, C. Lee
Jay Smith Road
50 acres
•All 4 units have Bay + tanoak removal and pile burning
•2 with small dbh madrone
•2 with broadcast under burn
•Monitor sprouts and new seedlings over 2 years
•Monitor rainwater and soil populations of P. ramorum
Source: Y. Valachovic, C. Lee
Before
After
Santa Cruz: monitoring to test efficacy of bay thinning
8 Field Monitoring Sites16 Buckets / Site5 Leaves / Bucket
= 640 leaves sampled every 3 weeksStarting again in February 08
Source: M. Garbelotto, UC Berkeley
Bay thinningSonoma County
Source: Swiecki and Bernhardt, 2008
Before
After
Spray Treatment
InjectionTreatments
Source: Phytosphere Research
SF PUC Agri-fos applications
Nurseries
• 13 nurseries positive in 2008
• 6 of 13 were previously positive
• European lineage in CA nurseries
Map from www.suddenoakdeath.orgM. Kelly, UC-Berkeley
Distribution of Phytophthora ramorum in forests- 2008
