HORT507 – Site Assessment and Tree Selection

Module code
Module title
Site Assessment and Tree Selection
The aim of this module is to develop student's knowledge and skill in site assessment and tree selection to suit specified site
  • SX1803
NZQA Level
Level 5
NZQA Credits
Delivery method
  • Web-Supported
Learning hours
Directed hours
Self directed hours
Total learning hours
Resources required
Learning Outcomes
Analyse soil factors likely to affect tree selection, growth or survival.
Analyse climatic and site specific factors likely to affect tree selection, growth or survival.
Classify tree species suited to different sites.
Undertake a preliminary site analysis for a specific site, select trees species to suit requirements, and plan location of those trees, on site.
Formulate a tree planting specification for ground preparation, planting and care of trees for relevant parties.
oSoil properties; types, nutrient content, chemical properties, aeration, compaction, depth, drainage, pans, water holding capacity, water table, salinity, texture
oMeasures used to assess and restore soil
oSoil borne pests and diseases, signs and symptoms
oClimatic factors; temperature ranges, rainfall, moisture deficit, drought, frost, hail, snow
oClimatic influences; aspect, proportion shade, wind, flooding, salt spray, water table
oSite factors, access, building, light requirements, power lines, overhead obstructions, views, neighbouring property affects, reflections
oRoot zone factors; drains, foundation, impermeable paving, root control pits, underground services
oAir and water pollution factors
oHuman influences, and responsibilities; site use, design intentions, neighbouring sites, access, screening, shade, shelter, sunlight, vandalism, views
oTree types analysis; growth rates, soil modification, features, urban adaptation, safety issues, toxicity, size requirements
oTree identification for specified sites; clay, dry, peat, shallow, wet, small sites, saline winds, exposed sites, cold winters, vehicle emissions, pollution, heavy shade, light shade
oSite analysis
oTree selection and planting plan for specific site
Teaching and Learning Strategy
Teaching and learning methods will be face to face delivery including; workshops, project based interactive tasks, with group sessions, tutorials, on-line learning, work integration, and independent research for the creation of portfolios of evidence of learning.
Assessment Criteria
Assessment in this module is mixed mode. Students must gain a minimum mark of 50 in the achievement-based assessments and meet all the requirements of the competency-based assessments including carrying out all tasks in a safe manner and to industry standard to be eligible for a final grade for this module. The final grade will be based on the marks from the achievement-based assessment tasks.