Handbook
Track updates
HB 294:2006
[Current]National Post-Border Weed Risk Management Protocol
This Handbook has been developed to foster the use and further development of decision support systems for prioritising weed species for management at the regional, state/territory and national levels. It is based on current best practice in weed management science, in combination with the principles of AS/NZS 4360:2004, Risk management; and HB 203:2006, Environmental risk management - Principles and process.
Published: 25/07/2006
Pages: 72
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Summary
Preface
1 Introduction
1.1 What is risk management?
1.2 Why have a National Post-Border Weed Risk Management Protocol?
1.3 Scope
1.4 Applications
1.5 Definitions
2 Weed risk management overview
3 Communicate and consult
4 Stage 1— Establish the weed risk management context
4.1 What is the goal?
4.2 What is the geographic and land use scope?
4.3 Who are the stakeholders?
4.4 What is the policy and legislative framework?
4.5 What resources are available?
4.6 What are the outcomes and outputs sought?
4.7 Which weed risk and feasibility analysis systems to use?
4.8 Project management
5 Stage 2— Identify weed risk candidates
5.1 Collate existing weed lists
5.2 Detect new weeds present and confirm their identities
5.3 Review likely weed incursions
5.4 Select species for further analysis
6 Stage 3 — Analyse and evaluate weed risks
6.1 Identify existing weed controls
6.2 Invasiveness criterion
6.2.1 Invasiveness Factor 1 — What is the weed's ability to establish amongst existing vegetation?
6.2.2 Invasiveness Factor 2 — What is the weed's reproductive ability?
6.2.3 Invasiveness Factor 3 — What is the weed's dispersal ability?
6.3 Impacts criterion
6.3.1 Impacts Factor 1 — To what degree could the weed reduce establishment of desired plants?
6.3.2 Impacts Factor 2 — To what degree could the weed reduce the biomass/yield of desired plants?
6.3.3 Impacts Factor 3 — To what degree could the weed reduce the quality of products or services?
6.3.4 Impacts Factor 4 — To what degree could the weed restrict physical movement?
6.3.5 Impacts Factor 5 — To what degree could the weed affect human and/or animal health?
6.3.6 Impacts Factor 6 — To what degree could the weed affect ecosystem processes?
6.4 Potential Distribution criterion
6.4.1 Potential Distribution Step 1 — Obtain world distribution data for the weed
6.4.2 Potential Distribution Step 2 — Climate modelling
6.4.3 Potential Distribution Step 3 — Soil tolerances
6.4.4 Potential Distribution Step 4 — Land uses at risk
6.4.5 Aquatic weeds
6.5 Calculate weed risk score
6.5.1 Who does the analyses?
6.5.2 Selection of WRA questions
6.5.3 Sources of species information
6.5.4 Complexity of WRA systems
6.5.5 Scoring and weightings
6.5.6 Valuation of land uses
6.5.7 Uncertainties
6.6 Risk evaluation
7 Stage 4 — Analyse and evaluate feasibility of coordinated control
7.1 Identify required weed controls
7.2 Current Distribution criterion
7.2.1 Current Distribution Factor 1 — What is the total area currently infested?
7.2.2 Current Distribution Factor 2 — What is the number of infestations?
7.2.3 Current Distribution Factor 3 — What is the general accessibility of infestations?
7.3 Control Costs criterion
7.3.1 Control Costs Factor 1— How detectable is the weed?
7.3.2 Control Costs Factor 2 — How expensive is treatment of weed infestations?
7.3.3 Control Costs Factor 3 — How much effort is required to achieve long-term landholder involvement in coordinated control of the weed?
7.4 Duration criterion
7.4.1 Duration Factor 1 — What is the efficacy of control treatments applied to weed infestations?
7.4.2 Duration Factor 2 — What is the level of reproduction in the weed infestation under targeted control?
7.4.3 Duration Factor 3 — What is maximum longevity of seeds or vegetative propagules?
7.4.4 Duration Factor 4 — What is the likelihood of ongoing propagule dispersal?
7.5 Calculate feasibility of coordinated control score
7.6 Feasibility evaluation
8 Stage 5—Determine weed management priorities
8.1 Compare weed risk versus feasibility of coordinated control
8.2 Identify priority species for management
9 Stage 6—Implement weed management actions
10 Monitor and review the process
10.1 Record the weed risk management process
11 Considering utility of species
12 References (cited in preceding text)
A
B
C
Cited references in this standard
HB 205—2004
Standards Australia International (2004). OHS risk management handbook. (Standards Australia International Ltd, Sydney)
HB 203—2006
Standards Australia/Standards New Zealand (2000). Environmental risk management — Principles and process. (Standards Australia International Ltd, Sydney and Standards New Zealand, Wellington).
Content history
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