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Likelihood of Impact
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Add RecommendationAdd TagsView All Assigned TagsLevel of Assessment
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Add RecommendationAdd TagsView All Assigned TagsTax Rate
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Add RecommendationAdd TagsView All Assigned TagsResidential Assessment Ratio
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The decay of the lower trunk, trunk flare, or buttress roots in a tree. It is also known as butt rot.
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Add RecommendationAdd TagsView All Assigned TagsIn tree risk assessment, the specific period for which an assessment is defined.
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Add RecommendationAdd TagsView All Assigned TagsA type of wood rot caused by fungi that results in the breakdown of cellulose.
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Add RecommendationAdd TagsView All Assigned TagsFungal decay of wood in which both cellulose and lignin are broken down.
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The effects or outcome of an event. In tree risk assessment, this may include personal injury, property damage, or disruption of activities due to the event.
Causes
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Add RecommendationAdd TagsView All Assigned TagsConsequences
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Add RecommendationAdd TagsView All Assigned TagsLikelihood
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Add RecommendationAdd TagsView All Assigned TagsInterdependence
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An image produced by processing signals transmitted through an object, such as sound waves, X-rays, or magnetic fields. It depicts the relative density of the object.
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Add RecommendationAdd TagsView All Assigned TagsAn organic substance that permeates the secondary cell walls, providing thickness and strength to the cell and sometimes reducing susceptibility to decay and pest damage.
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Add RecommendationAdd TagsView All Assigned TagsA general term indicating the magnitude of force, pressure, or weight applied to a substance or material. It can refer to the cargo or weight to be borne or conveyed.
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Add RecommendationAdd TagsView All Assigned TagsA separation in wood fibers characterized by narrow breaks or fissures in stems or branches. Severe cracks can lead to tree or branch failure.
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A systematic process for identifying, analyzing, and evaluating tree risk.
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Add RecommendationAdd TagsView All Assigned TagsA crack in a tree that forms across the short axis of the trunk, stem, or root.
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Add RecommendationAdd TagsView All Assigned TagsAn indicator that definitively confirms the presence of decay.
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Add RecommendationAdd TagsView All Assigned TagsA crack occurring at the neutral plane between tension and compression stresses.
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A feature, condition, or deformity of a tree that indicates a weak structure or instability, potentially contributing to tree failure.
Structural Defect
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Add RecommendationAdd TagsView All Assigned TagsLatent Defect
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Add RecommendationAdd TagsView All Assigned TagsInsignificant Defect
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Add RecommendationAdd TagsView All Assigned TagsPoor Peripheral Perfusion
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Compression Wood
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Add RecommendationAdd TagsView All Assigned TagsFlexure Wood
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Add RecommendationAdd TagsView All Assigned TagsCavity
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Add RecommendationAdd TagsView All Assigned TagsTension Wood
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In tree risk assessment, it refers to the professional assessment of the likelihood of a tree or tree part failing within a specific time frame.
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Add RecommendationAdd TagsView All Assigned TagsThe decay of the lower trunk, trunk flare, or buttress roots in a tree. It is also known as butt rot.
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Add RecommendationAdd TagsView All Assigned TagsThe growth response in a tree stem or branch triggered by continuous flexing.
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Add RecommendationAdd TagsView All Assigned TagsThe location or manner in which failure can occur or has occurred in a tree, such as a stem, root, or soil failure.
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The common structural failure modes or resistance to failure for a specific tree species.
Species Failure Profile
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Add RecommendationAdd TagsView All Assigned TagsStructural Defect
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Add RecommendationAdd TagsView All Assigned TagsLevel of Assessment
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Add RecommendationAdd TagsView All Assigned TagsLikelihood Of Failure
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An image produced by processing signals transmitted through an object, such as sound waves, X-rays, or magnetic fields. It depicts the relative density of the object.
Radiograph
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Add RecommendationAdd TagsView All Assigned TagsX-ray
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Add RecommendationAdd TagsView All Assigned TagsTomogram
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Add RecommendationAdd TagsView All Assigned TagsSonogram
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Failure Mode
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Add RecommendationAdd TagsView All Assigned TagsUrban Zone
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Add RecommendationAdd TagsView All Assigned TagsTarget Zone
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Add RecommendationAdd TagsView All Assigned TagsConcentric Zone
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Wood formed in leaning or crooked stems or on the lower or upper sides of branches as a response to counteract the effects of gravity.
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Add RecommendationAdd TagsView All Assigned TagsThe central wood in a branch or stem composed of dead cells. It is typically more resistant to decay, darker, and harder than the outer sapwood.
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Add RecommendationAdd TagsView All Assigned TagsThe effects or outcome of an event. In tree risk assessment, consequences include personal injun-, property damage, or disruption of activities due to the event.
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Add RecommendationAdd TagsView All Assigned TagsDecay located in the sapwood of a tree. It may result in damage or death of the bark and/or cambium. Fruiting bodies along the bark's surface often indicate this type of rot.
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Fungal decay of wood in which both cellulose and lignin are broken down.
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Add RecommendationAdd TagsView All Assigned TagsThe growth response in a tree stem or branch triggered by continuous flexing.
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Add RecommendationAdd TagsView All Assigned TagsLignified and differentiated tissues produced on woody plants as a response to wounding.
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Add RecommendationAdd TagsView All Assigned TagsA long-chain, insoluble glucose polymer that is found in the cell wall of most plants.
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An organic substance that permeates the secondary cell walls, providing thickness and strength to the cell and sometimes reducing susceptibility to decay and pest damage.
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Add RecommendationAdd TagsView All Assigned TagsThe production of new wood in response to loads to compensate for higher strain experienced. It includes various types of growth, such as reaction wood (compression and tension), flexure wood, and woundwood.
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Add RecommendationAdd TagsView All Assigned TagsA device consisting of a specialized micro-drill bit used to drill into trees and record the resistance to penetration. It is used to detect internal differences in wood, such as decay.
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Add RecommendationAdd TagsView All Assigned TagsReaction wood is found in gymnosperms and some angiosperms. It develops on the underside of branches or leaning trunks and is crucial in load-bearing and structural support.
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(1) People, property, or activities that could be injured, damaged, ordisrupted by a tree failure. (2) The intended application site or pest.
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Add RecommendationAdd TagsView All Assigned TagsThe location or manner in which failure can occur or has occurred in a tree, such as stem failure, root failure, or soil failure.
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Add RecommendationAdd TagsView All Assigned TagsA separation in wood fibers characterized by narrow breaks or fissuresin stems or branches. Severe cracks can lead to tree or branch failure.
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Add RecommendationAdd TagsView All Assigned TagsThe fruiting body of a decay fungus often observed as a mushroom-like structure growing on the tree.
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The location or manner in which failure can occur or has occurred in a tree, such as stem failure, root failure, or soil failure.
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Add RecommendationAdd TagsView All Assigned TagsA crack in a tree that forms across the short axis of the trunk, stem, or root.
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Add RecommendationAdd TagsView All Assigned TagsThe extent or scope of the assessment conducted on a tree or its components.
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Add RecommendationAdd TagsView All Assigned TagsThe amount of time that targets are within a target zone.
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The combination of the likelihood of an event and the severity of its potential consequences. In the context of trees, this refers to the likelihood of a conflict or tree failure occurring and affecting a target, along with the severity of the associated consequences.
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Add RecommendationAdd TagsView All Assigned TagsThe reproductive structure of a fungus that typically develops in diseased tissues. The presence of certain fruiting bodies may indicate decay in a tree. Some fruiting bodies are small and require a hand lens or microscopic examination to determine the fungus species.
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Add RecommendationAdd TagsView All Assigned TagsA separation in wood fibers characterized by narrow breaks or fissures in stems or branches. Severe cracks can lead to tree or branch failure.
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Add RecommendationAdd TagsView All Assigned TagsRecording Drill — A device consisting of a specialized micro-drill bit used to drill into trees and record the resistance to penetration. It is used to detect internal differences in wood, such as decay.
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Recording Drill - A device consisting of a specialized micro-drill bit used to drill into trees and record the resistance to penetration. It is used to detect internal differences in wood, such as decay.
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Add RecommendationAdd TagsView All Assigned TagsA bracket or shelf-shaped fruiting body produced by a basidiomycete decay fungus. It can be found on living or dead trees and coarse woody debris. Annual conks can have a fleshy or tough texture, while perennial conks are hard and woody. They are often associated with mycorrhizae (symbiotic relationships between fungi and plant roots)or wood and bark decay.
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Add RecommendationAdd TagsView All Assigned TagsThe combination of the likelihood of an event and the severity of its potential consequences. In the context of trees, risk refers to the likelihood of a conflict or tree failure occurring and affecting a target, along with the severity of the associated consequences.
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Add RecommendationAdd TagsView All Assigned TagsA device that utilizes a jet of highly compressed air to excavate the soil. It minimizes damage to tree roots or underground structures like pipes and wires. Air excavation can reduce hazards associated with digging near pipes or wires.
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A form of reaction wood found in angiosperms that develops on the upper side of branches or the trunks of leaning trees.
Reaction Wood
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Add RecommendationAdd TagsView All Assigned TagsCompression Wood
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Add RecommendationAdd TagsView All Assigned TagsWound Wood
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Add RecommendationAdd TagsView All Assigned TagsTension Wood
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Decay of plant tissues characterized by the breakdown of tissues within the cell walls.
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Add RecommendationAdd TagsView All Assigned TagsLignified and differentiated tissues produced on woody plants as a response to wounding.
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Add RecommendationAdd TagsView All Assigned TagsA type of wood rot caused by fungi that results in the breakdown of cellulose.
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Add RecommendationAdd TagsView All Assigned TagsFungal decay of wood in which both cellulose and lignin are broken down.
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The probability or chance of a tree or tree part experiencing failure within a specified time frame.
Basic Assessment
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Add RecommendationAdd TagsView All Assigned TagsDecision Making
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Add RecommendationAdd TagsView All Assigned TagsLikelihood of Impact
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Add RecommendationAdd TagsView All Assigned TagsLikelihood of Failure
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Structures, trees, branches, or other factors that would prevent or reduce harm to targets in the event of a tree failure.
Protection Factors
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Add RecommendationAdd TagsView All Assigned TagsRelative Response
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Add RecommendationAdd TagsView All Assigned TagsRecovery Time
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Potential Indicator
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Add RecommendationAdd TagsView All Assigned TagsConsequences
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Add RecommendationAdd TagsView All Assigned TagsFailure Potential
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Add RecommendationAdd TagsView All Assigned TagsDefinite Indicator
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(1) People, property, or activities that could be injured, damaged, or disrupted by a tree failure. (2) The intended application site or pest.
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Add RecommendationAdd TagsView All Assigned TagsAn image produced by processing signals transmitted through an object, such as sound waves, X-rays, or magnetic fields. It depicts the relative density of the object.
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Add RecommendationAdd TagsView All Assigned TagsRecording Drill — A device consisting of a specialized micro-drill bit used to drill into trees and record the resistance to penetration. It is used to detect internal differences in wood, such as decay.
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Add RecommendationAdd TagsView All Assigned TagsAn organic substance that permeates the secondary cell walls, providing thickness and strength to the cell and sometimes reducing susceptibility to decay and pest damage.
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The reproductive structure of a fungus that typically develops in diseased tissues. Their presence may indicate decay in a tree. Some are small and require a hand lens or microscopic examination to determine the fungus species.
Resistance
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Add RecommendationAdd TagsView All Assigned TagsFruiting Body
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Add RecommendationAdd TagsView All Assigned TagsTime Frame
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Add RecommendationAdd TagsView All Assigned TagsSapwood Rot
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A detailed visual inspection of a tree and its surrounding site, which may include the use of simple tools. A tree risk assessor thoroughly examines the tree trunk, visible above-ground roots, branches, and the surrounding area.
Basic Assessment
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Add RecommendationAdd TagsView All Assigned TagsAdvanced Assessment
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Add RecommendationAdd TagsView All Assigned TagsInitial Assessment
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Add RecommendationAdd TagsView All Assigned TagsPsychosocial Assessment
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The central wood in a branch or stem composed of dead cells. It is typically more resistant to decay, darker, and harder than the outer sapwood. Not all trees have heartwood.
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Add RecommendationAdd TagsView All Assigned TagsDecay located in the sapwood of a tree. It may damage or kill the bark and/or cambium. Fruiting bodies along the bark's surface often indicate this type of rot.
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Add RecommendationAdd TagsView All Assigned TagsWood formed in leaning or crooked stems or on the lower or upper sides of branches as a response to counteract the effects of gravity.
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Add RecommendationAdd TagsView All Assigned TagsReaction wood is found in gymnosperms and some angiosperms. It develops on the underside of branches or leaning trunks and is crucial in load-bearing and structural support.
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The amount of time that targets are within a target zone.
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Add RecommendationAdd TagsView All Assigned TagsIn tree risk assessment, the specific period for which an assessment isdefined.
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Add RecommendationAdd TagsView All Assigned TagsThe fruiting body of a decay fungus, often observed as a mushroom-like structure growing on the tree.
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Add RecommendationAdd TagsView All Assigned TagsThe predominant trunk angle from the vertical position.
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An inspection of tree parts not visible from the ground, such as the trunk, stems, and branches. It is typically conducted by climbing the tree or using an aerial lifT and may also involve assessing internal decay.
Limited Visual Assessment
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Add RecommendationAdd TagsView All Assigned TagsAerial Inspection
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Add RecommendationAdd TagsView All Assigned TagsConsequences Of Failure
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Longitudinal Crack
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Add RecommendationAdd TagsView All Assigned TagsTransverse Crack
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