Narrow Results by:

Subject Specific Filters:

Type:

Management (26)
Diseases (5)
Other Damage Agents (3)
Plants (3)
Misc. (1)
Physical Landscape (1)

  1. Category:             

    Tree Defects (18)
    Urban Forestry (8)
    Stem Decays and Cankers (4)
    Hardwood Trees (3)
    Abiotic Damage (2)

  1. Order:                   (show all)

    Polyporales (2)
    Terrestrial weather (2)
    Fagales (1)
    Hymenochaetales (1)
    Mountains (1)

Image Specific Filters:

  1. Descriptor:           (show all)

    Sign (60)
    Failure (41)
    Damage (29)
    Symptoms (27)
    Field (9)

  1. View:                     

    Lateral / Side (1)

Person in Image:

Yes (9)

  1. Country:                

    United States (203)
    Australia (2)
    France (2)

  1. Author:                  (show all)

    Joseph O'Brien (96)
    Joseph LaForest (28)
    USDA Forest Service - Northeastern Area Archive (20)
    Jason Sharman (11)
    USDA Forest Service - Forest Health Protection - St. Paul Archive (11)

Sizes Available:

5 sizes(155)
4 sizes(51)
3 sizes(1)

Orientation:

Landscape (134)
Portrait (73)

Urban Forestry: Tree Risk Management

Remove Filters: Field(X)
207 Images of 39 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Subject Scientific Name Images
basal cankers 12
basal wound 12
branch union 2
canker 26
Compartmentalization Of Decay In Trees (CODIT) 8
cracks or splits 6
deadwood and snags 6
decay 38
dieback 1
eastern cottonwood Populus deltoides 1
flush cut 2
hanging branches 16
Hypoxylon cankers Hypoxylon spp. 1
imbedded objects 7
included bark 24
inrolled crack 3
lightning 8
live oak Quercus virginiana 1
mountains 1
northern tooth Climacodon septentrionalis 2
people 1
poor architecture 7
red maple Acer rubrum 1
rigging (general) 1
risk tree 39
root cutting and trenching 2
root lifting, soil heaving, and windthrow 17
root problems 1
shear crack 13
stem girdling roots 1
stubs 4
turkey tail Trametes versicolor 1
uncorrected lean 2
undermined root system 3
urban ecosystem 1
visual tree inspection 10
weak branch union 7
weeping conk Inonotus dryadeus 2
wind 1

Page: