The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!
From the Wiki University
What evidence can you provide to prove your understanding of each of the following citeria?
Determine tree survey program requirements
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Identify scope of survey in accordance with client needs Completed |
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Determine client’s risk threshold Completed |
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Determine and document procedures for data capture Completed |
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Identify, source and record all current data research relevant to survey requirements Completed |
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Check equipment for assessing trees and prepare for use Completed |
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Select, check and use personal protective equipment Completed |
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Determine the tree dimensions and structure
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Plot tree location on a device, drawing or plan of the site Completed |
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Determine and record tree dimensions and structure Completed |
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Measure tree height, spread and diameter-at-breast height (DBH) Completed |
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Examine and record form of tree Completed |
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Assess tree for asymmetry of canopy Completed |
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Assess if tree has a lean and calculate the lean Completed |
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Assess how form of crown relates to or is responsive to surrounding trees and structures Completed |
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Determine the potential impact of wind loading of the tree Completed |
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Record tree taxonomic features
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Inspect tree and record fruit type and characteristics Completed |
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Describe leaf morphology for shape, colour and size Completed |
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Examine and record buds, branchlets, branches and bark Completed |
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Inspect for and describe trichomes on lamina, petiole and branchlets Completed |
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Describe and record floral characteristics of structure of inflorescence, location of the flower, flower colour, details of the flower parts present, absent or modified Completed |
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Assess tree health issues
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Examine and record the canopy density and distribution Completed |
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Assess recorded leaf colour and size against a healthy specimen Completed |
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Assess for the presence of epicormic shoots Completed |
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Assess for dead tips or excessive numbers of dead branches Completed |
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Examine roots, root crown, stem, branches and canopy for signs of biotic and abiotic disease Completed |
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Evaluate and describe symptoms presenting on tree Completed |
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Determine how presence of disease might be affecting tree Completed |
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Recognise and record wounds to the tree Completed |
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Consider size, location and cause of wounds Completed |
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Assess age of trees and tree parts
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Determine if species is uninodal or multimodal Completed |
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Record the dimensions of the tree Completed |
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Examine tree for evidence of growth increments including bud scars, sympodial growth and flush marks Completed |
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Estimate average annual increase in diameter of sample of xylem stained as required Completed |
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Research historic images of tree or trees of same species in similar environments Completed |
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Provide a reasoned estimate of age of tree, tree part or wound Completed |
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Assess trees for significance
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Assess tree for indicators of habitat use Completed |
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Assess tree for ecological significance Completed |
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Assess tree for cultural significance Completed |
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Assess tree for historical significance Completed |
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Assess amenity value of trees
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Evaluate amenity tree valuation methods Completed |
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Consider strengths and weaknesses of each method Completed |
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Determine amenity tree valuation method to be used Completed |
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Collect and collate appropriate unit values and data Completed |
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Calculate and record the amenity value of individual trees Completed |
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Inspect and assess trees
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Assess trees to determine their structure and stability Completed |
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Give consideration to the tree's age, health, condition, habitat, wind loading, distribution of foliage, wound size and the potential impacts of proposed recommendations Completed |
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Use testing equipment, where required, to detect decay, disease and scope of tree problems Completed |
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Evaluate visual indications and causes of disease and record results Completed |
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Carry out risk assessment
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Use visual tree assessment (VTA) to identify hazards associated with the tree Completed |
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Use basic diagnostic tools to confirm the presence and extent of hazards Completed |
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Determine level of risk Completed |
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Give consideration to qualification and quantification of tree risk Completed |
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Compare the risk level against commonly published levels of risk from non-arboricultural activities and items Completed |
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Determine controls required to mitigate risks in accordance with the client’s pre-determined threshold Completed |
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Document risk controls and recommendations for monitoring and review of risks Completed |
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Compile a tree assessment report
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Document diagnosis of tree problems with reference to the anatomy, physiology and pathology of the tree Completed |
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Provide and record specific recommendations for remedial action for tree problems Completed |
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Produce a tree assessment report that identifies hazardous trees, recommends appropriate remedial action, and determines appropriate risk controls Completed |
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Prepare an expert witness statement if required Completed |
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Deliver tree assessment report to client Completed |
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