| 5388230 |
dieback |
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During prolonged drought periods, trees will exhibit a general thinning of the canopy. This is the tree's effort to compensate for root loss and is called defensive dieback. |
| 5388232 |
drought |
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Soils that drain too well often hold too little water to support healthy growth, creating constant drought-like conditions. |
| 5388234 |
drought |
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The Japanese Tree Lilac in this photograph exhibits dieback caused by drought. |
| 5053048 |
risk tree |
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White birch with decay and defects overlooking a playground. |
| 5053049 |
decay |
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Oak tree with decay resulting from death of codominant stem. |
| 5038081 |
risk tree |
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Tree with multiple defeccts near parking lot. |
| 5038093 |
risk tree |
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Hole in very large branch, indicating decay. |
| 5252048 |
risk tree |
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Hole in tree, indicating decay. |
| 5054010 |
risk tree |
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A large tree near a picnic area. The degree of risk posed by this tree can only be determined by a careful inspection. |
| 5039012 |
risk tree |
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Large, potentially hazardous trees near a playground |
| 5045017 |
risk tree |
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A leaning cottonwood along a trail. |
| 5039090 |
risk tree |
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Old broken branch with decay |
| 5055038 |
risk tree |
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Long crack and decay |
| 5033002 |
slime flux |
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Slime flux associated with bacterial wetwood in elm. Associated with a number of bacteria. |
| 5033003 |
slime flux |
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Slime flux associated with bacterial wetwood in American elm. Associatd with several species of bacteria. |