forest health monitoring
DESCRIPTION
Forest Health Monitoring. Aerial survey. Annual ‘first cut’ at detecting and assessing forest health disturbances 15,545,310 acres surveyed in 2011 State, federal and private lands flown Nearly 75 hours of flight time Transect-based survey system used 4 to 6-mile wide transects - PowerPoint PPT PresentationTRANSCRIPT
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Forest Health Forest Health MonitoringMonitoring
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Aerial surveyAerial survey
• Annual ‘first cut’ at detecting and Annual ‘first cut’ at detecting and assessing forest health disturbancesassessing forest health disturbances
• 15,545,310 acres surveyed in 201115,545,310 acres surveyed in 2011– State, federal and private lands flownState, federal and private lands flown
• Nearly 75 hours of flight timeNearly 75 hours of flight time• Transect-based survey system usedTransect-based survey system used
– 4 to 6-mile wide transects4 to 6-mile wide transects– 2500 to 5000 ft. altitude2500 to 5000 ft. altitude– Digital Aerial Sketchmapping System (DASM)Digital Aerial Sketchmapping System (DASM)
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DASMDASM
• Tablet PCTablet PC• Customized GIS Customized GIS
software software • GPS-linkedGPS-linked• High-resolution High-resolution
satellite imagerysatellite imagery• Screen digitizingScreen digitizing
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Aerial Survey Flight Lines - 2011
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Aerial SurveyResults - 2011
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Aerial surveyAerial survey
• How the information is usedHow the information is used– Annual reports to USFSAnnual reports to USFS– Outreach (e.g. Forest Health Highlights)Outreach (e.g. Forest Health Highlights)– Prioritizing MDNR management Prioritizing MDNR management
activitiesactivities• Aids with rapid response to potentially Aids with rapid response to potentially
damaging agentsdamaging agents• E.g. Compartment inventory pre-reviewsE.g. Compartment inventory pre-reviews
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MDNR forest compartments (current entry year in blue)
EAB outliers with 5-mile buffer
Gypsy moth defoliation
Forest tent caterpillar defoliation
Traverse CityTraverse CityManagement UnitManagement Unit
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National Insect & National Insect & Disease Risk Map Disease Risk Map ProjectProject
• Risk of mortality from major forest Risk of mortality from major forest insect & disease agents insect & disease agents – 25% or greater loss of standing live 25% or greater loss of standing live
volume of trees over 1” DBH over the volume of trees over 1” DBH over the next 15 yearsnext 15 years
• Forest health specialists provide Forest health specialists provide biological inputbiological input
• GIS specialists run models and GIS specialists run models and provide output for reviewprovide output for review
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National Insect & National Insect & Disease Risk Map Disease Risk Map ProjectProject
Constructing the mapConstructing the map• 180 Models employed180 Models employed• 46 I&D agents represented46 I&D agents represented• Over 100 tree species includedOver 100 tree species included
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Jack pine budworm: Determining riskJack pine budworm: Determining risk
National Insect & National Insect & Disease Risk Map Disease Risk Map ProjectProject
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Early Detection SurveysEarly Detection Surveys
• Asian longhorned beetleAsian longhorned beetle• Hemlock woolly adelgidHemlock woolly adelgid• Thousand Cankers DiseaseThousand Cankers Disease
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Asian longhorned Asian longhorned beetlebeetle
• 16 PRD Surveyors16 PRD Surveyors– Trained by MDNRTrained by MDNR– Staged infestationsStaged infestations– Spring field trip to Spring field trip to
Clermont County, OHClermont County, OH
• 35 State Parks35 State Parks– 2 visits2 visits
• Leaf-onLeaf-on• Leaf-offLeaf-off
• Ground surveysGround surveys– BinocularsBinoculars– Risk-based Risk-based
approachapproach• Parks stratified by:Parks stratified by:
– Host speciesHost species– Campsite Campsite
proximityproximity
• High-risk zip codesHigh-risk zip codes• Tree declineTree decline
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Hemlock woolly adelgidHemlock woolly adelgid
• Natural stands of Natural stands of hemlockhemlock– Proximity to 2010 Proximity to 2010
findsfinds• Emmet CountyEmmet County• Ottawa CountyOttawa County
– HWA Hazard ZonesHWA Hazard Zones
• Elongate hemlock Elongate hemlock scalescale
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Elongate hemlock scaleElongate hemlock scale
• Armored scale Armored scale introduced to U.S. in introduced to U.S. in early 1900’searly 1900’s
• Both HWA and EHS Both HWA and EHS contribute to early contribute to early stages of hemlock stages of hemlock declinedecline
• Advanced stages of Advanced stages of decline correlated with decline correlated with EHS but not HWA EHS but not HWA (where both occur)(where both occur)
• Damaging outbreaks of Damaging outbreaks of EHS may be enabled by EHS may be enabled by HWA feedingHWA feeding
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Thousand Cankers Thousand Cankers DiseaseDisease
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Thousand Cankers Thousand Cankers DiseaseDisease
Walnut twig beetle, Pityophthorous juglandis WTB larval galleries
Staining adjacent to galleries Coalescing cankers, Geosmithia sp
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Thousand Cankers Thousand Cankers DiseaseDisease
• 30 walnut locations 30 walnut locations – Lower 3 tier of counties in Lower Lower 3 tier of counties in Lower
PeninsulaPeninsula• Walnut CouncilWalnut Council• Consultant forestersConsultant foresters• Urban community forestsUrban community forests• Walnut in proximity to millsWalnut in proximity to mills
– Visual surveys (decline)Visual surveys (decline)– Pheromone trappingPheromone trapping
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