International Society of Arboriculture
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Through research, technology, and education, the International Society of Arboriculture (ISA) promotes the professional practice of arboriculture and fosters a greater worldwide awareness of the benefits of trees. ISA is a dynamic medium through which arborists around the world share their experience and knowledge for the benefit of society. ISA is aligned on many fronts with other green organizations and is working hard to foster a better understanding of trees and tree care through research and the education of professionals as well as global efforts to inform tree care consumers. |
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Tree Removal(X)
| 19 Images of 9 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5395577 | felling | showing holding wood from notch | |
| 5395494 | rigging (general) | landing zone for rigging | |
| 5377140 | felling | ||
| 5377114 | chainsaw | starting a bore cut | |
| 5376983 | ground worker | using a cant hook for rolling logs | |
| 5377124 | tree worker | ||
| 5377095 | felling | preventing barber chair | |
| 5377092 | felling | 2 of 4 showing development of barber chair | |
| 5377093 | felling | 3 of 4 showing development of barber chair | |
| 5377094 | felling | 4 of 4 showing development of barber chair | |
| 5377091 | felling | 1 of 4 showing development of barber chair | |
| 5377087 | rigging (general) | ||
| 5376984 | ground worker | Showing proper lifting technique | |
| 5394794 | risk tree | ||
| 5394792 | storm damage (general) | ||
| 5394790 | sanitation/salvage | ||
| 5375408 | rigging (general) | Climbers use a common technique called a 'butt hitch' in which a piece is tied above a cut and the line is run through a block or crotch below the cut. | |
| 5375410 | rigging friction device | Friction devices have been designed for tree work, and they have some obvious control advantages over taking rapes around the tree | |
| 5376069 | storm damage (general) | Tree snapped at the base from high winds and storm damage. |
