Land restoration is significant to many industries, from farming to landscaping and environmental consulting. Learn how to choose, grow and manage the best tree species for any situation in this tree rehabilitation course.
Certificate of Tree Rehabilitation is an online professional development program that will explain environmental systems and the rehabilitation of degraded landscapes.
Throughout this tree rehabilitation course, you will learn how to incorporate soil management, tree cultivation, ecology and post-planting management.
You will also learn about seed collection, storage and germination, propagation, plant selection, establishment techniques and how to control pests and disease after planting.
On completion of this course, you will have gained the foundational understanding required to maintain healthy rehabilitation systems.
Unit - Trees for Rehabilitation
Unit 1 – Approaches to land rehabilitation
Caring for the environment
The importance of trees
Understanding plant identification
Land management programs
Types of soil degradation
Human causes of erosion
Types of erosion
Control of erosion
Sources of salt
Control methods for salinity
Compaction and chemical residues
Unit 2 – Ecology of soils and plant health
Constituents of an ecosystem
Biotic components: the living organisms
The web of life
Relationships between plants and animal
Creating habitat corridors for wildlife
Benefits for indigenous vegetation and local landowners
Situating and types of corridors
The “edge effect”
What can happen at “edges”
Soil and how they develop naturally
The soil environment
Soil composition and micro-organisms
Water, air and soil temperature
Soil physical characteristics
Soil texture and structure
Identifying your soil type
Soil chemical characteristics (soil pH)
Cation exchange capacity
Ph and nutrient availability
Choosing the right fertiliser
Organic versus inorganic fertilisers – which is better?
Diagnosis of nutritional problems
Pests and diseases
Lifecycles and pest lifecycle
Unit 3 – Introduction to seed propagation techniques
Four main sources of seed
Maintaining genetic identity in seed
Hybrid seed production
Why do plants produce so much seed?
Collecting and harvesting seed – guidelines
Selecting plants to collect from
Methods of collection
Cleaning and storing seeds
Soaking in boiling water
Stratification (moist chilling)
Sowing your seeds
When to sow
Containers for propagation
Plastic seedling trays
Sowing directly into pots
The bog method
Pricking out or tubing seedlings
Quality control – the U.C. System of soil mixes
Rules to maintain sanitation
Growing on stage
Sources of seed and information
Books on seed sand seeds germination
Unit 4 – Propagation and nursery stock
Why use cuttings
How to propagate a cutting
Classification of cutting types
Semi-hardwood (greenwood) cuttings
Nodal cuttings basal cuttings root cuttings
Selecting and planting out stock plants
Treatment throughout the year
Stock plants for root cuttings
Ways of getting roots on difficult to root cuttings
Improving strike rate
Spreading of pests and diseases
Recommended nursery hygiene practices
Propagating mixes and potting soil mixes
How to maintain plants in pots
Removing the plant from the container
Potting a small plant into a larger pot
Feeding and watering
Ventilation and light and temperature
Growing-on areas for container plants
Hardening-off rooted cuttings
The greenhouse structures
Heated or unheated
Problems with greenhouses
Environmental controls and factors in the greenhouse
Greenhouse irrigation methods
Run-off and leachate
Sound irrigation practices
Irrigation systems and overhead spray lines
Flood benches and capillary watering
Pulse watering and watering cans
What is a perched water table?
Other structures for growing plants
Cold frames and heated propagators
How to propagate different species
Unit 5 – Dealing with chemical problems
Symptoms on plants of chemical contamination
Symptoms on plants of chemical contamination
Treating foliage burn
Rehabilitating damaged soils
Prevention is the first step
Some rehabilitation methods used
Using plants to extract contamination
Growing plants on contaminated soil
Rehabilitating a building site (home garden)
Soil chemical composition and plant growth
Alkaline soils – growing tolerant plants
Dealing with soils that are lime contaminated
Trees which grow in lime soils
Unit 6 – Physical plant effects on degraded sites
Rehabilitating a degraded site
Designing and planting a firebreak
Maintenance: points to remember
Fire resistant plants
Plants which are more likely to burn include:
Stormwater, waterlogging and drainage
Water-logging on a home-site
Improving drainage on heavy clay soils
Create a bog garden in areas that sometimes dry out
Constructing a sump
Unit 7 – Plant establishment programs
What to plant where
Climate and temperature
Frosts, wind and hazards
Plant selection criteria
Availability and cost of obtaining plants
Ease of handling and establishment
Sundry materials and labour costs
Ongoing costs vandalism, pruning, fertilising and watering
Longevity and general hardiness
When to plant
Plant protection methods (staking and frost and sun protection)
Mulching and fencing
Unit 8 – Hostile environments
Areas hostile to re-vegetation
Coping with dry conditions
Overcoming dry soils
How to lay mulch
Commonly used organic mulches
How are weeds spread
Commonly used herbicides
Trees and large shrubs which tolerate salt (temperate climate)
Plants which tolerate salt (warmer climate)
Unit 9 – Plant establishment care
Deciduous and bare-rooted plants
Water and plant growth
Maintaining appropriate water levels
Symptoms of water deficiency
Symptoms of excess water
Period of watering
Minimising plant water requirements
Plant health – conducting an inspection
Diagnose plant troubles
Unit 10 – Rehabilitating degraded sites
An environmental audit
Implementing a land rehabilitation management program
Determining land objectives
Pants for a rehabilitation program
Estimated duration 50 hours
Course Delivery and Start
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Assessment will be comprised of written exercises, including short-answer questions, reflective tasks, short reports and/or projects. There are no examinations or due dates for assessment. As a result, you can complete training in your own time and at your own pace with the assistance of unlimited tutor support.
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