Spruce budworm defoliation patterns during outbreak rise are influenced by tree species, insecticide spraying, and spatial autocorrelation.

Authors: Donovan, Shawn D.¹ (AUTHOR) shawn.donovan@unb.ca, MacLean, David A.¹ (AUTHOR), Hennigar, Chris¹ (AUTHOR), Johns, Rob C.² (AUTHOR), Zhang, Yun³ (AUTHOR)

Source: Canadian Journal of Forest Research. 3/13/2025, Vol. 55, p1-18. 18p.

Evaluation of branch sampling, ocular assessments, and aerial surveys for estimating spruce budworm defoliation.

Authors: Donovan, Shawn¹ (AUTHOR), MacLean, David A.¹ (AUTHOR) macleand@unb.ca

Source: Canadian Journal of Forest Research. 2024, Vol. 54 Issue 7, p725-740. 16p.

Subject Terms: *SPRUCE budworm, *DEFOLIATION, *AERIAL surveys, *WHITE spruce, *WEATHER

Geographic Terms: QUEBEC (Province), GASPE Peninsula (Quebec)

Evaluating annual spruce budworm defoliation using change detection of vegetation indices calculated from satellite hyperspectral imagery

Authors: Donovan, Shawn D., MacLean, David A., Zhang, Yun, Lavigne, Michael B., Kershaw, John A.

Source: In Remote Sensing of Environment February 2021 253

Quantification of forest canopy changes caused by spruce budworm defoliation using digital hemispherical imagery

Authors: Donovan, Shawn D., MacLean, David A., Kershaw, John A., Jr., Lavigne, Michael B.

Source: In Agricultural and Forest Meteorology 15 November 2018 262:89-99

BOSTON'S LADDER CULTURE Why Boston throws so many ladders

Authors: Donovan, Shawn

Source: Fire engineering. 168(3):157-157

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN600003055&indx=1&recIds=ETOCRN600003055

Boston's Ladder Culture.

Authors: DONOVAN, SHAWN

Source: Fire Engineering. Mar2015, Vol. 168 Issue 3, p157-159. 3p.

Subjects: FIRE departments, FIRE management, LADDERS, AERIAL ladders, DOMESTIC architecture, HOUSE construction

Geographic Terms: BOSTON (Mass.)