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. |
| 15 Images of 10 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5377047 | tree anatomy | Tree habits; Pyramidal, Oval, Palm, Irregular, Columnar, Round, Vase, multi-trunk | |
| 5458585 | dieback | ||
| 5458584 | dieback | ||
| 5456495 | |||
| 5456494 | |||
| 5431678 | Scots pine | Pinus sylvestris | |
| 5431677 | beech | Fagus spp. | |
| 5431675 | |||
| 5431673 | |||
| 5431651 | containers | Tree in a planter inside the Louvre Museum (Paris, France). | |
| 5431650 | decay | ||
| 5378140 | fig/banyan | Ficus spp. | |
| 5394734 | pruning (general) | Urban tree requiring pruning. | |
| 5394581 | crabapple and apple | Malus spp. | |
| 5375297 | planting | Smaller species planted below power lines. |
