What steps are required for developing a successful biological monitoring and assessment program?
The development of an effective biological monitoring and assessment program for the protection of aquatic ecosystems
involves a series of steps outlined below and in the decision tree:
1. Define the primary management aims, including the level of protection desired by the community and
other stakeholders; define the management goals for achieving protection of the ecosystem,
and the environmental concerns.
2. Together with a balance of phyical and chemical indicators to address the problems, identify the
biological assessment objectives for protection of the water resource.
3. Select appropriate indicators and protocols to apply to the assessment objectives.
4. Select the appropriate experimental design to apply to the indicator.
5. Determine key decision criteria, i.e. acceptable level of change and statistical
sensitivity with which to detect such change.
6. Assess results from monitoring programs, with feedback to management.
One of the key issues is to identify the assessment objectives for protection of the water resource.
The objectives will help managers select the most appropriate biological indicators and protocols that apply for their use.
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Define primary management aims ( see Vol 1 fig 3.1.1)
Determine Level of Protection Desired for Ecosystems, Problems Concerns and Goals
# Determine the Assessment Objective and Suite of
Indicator Types appropriate for the Assessment
Biodiversity / Ecosystem Responses
Broad-scale assessment of ecosystem
health (at catchment, regional or
larger scales) are required to provide
quick and cost-effective 'health'
assessments over large areas. Rapid
biological methods have and are being
developed to provide qualitative
information adequate for first-pass
assessments to identify more specific
data needs.
For example how can we quickly assess
whether we have a problem and its
distribution and severity.
Early detection of short- or
longer-term changes enhances
the options for management.
Prediction and early detection
of possible effects are useful
so that substantial and
ecologically important
disturbances can be avoided.
For example providing an
early warning system to detect
change or trends so that action
can be taken to prevent
damage
To determine effects upon the ecosystem
as a whole and as important end-points
in themselves, quatitative measures of
biodiversity, including ecosystem
processes and the conservation status
of sites, should be key responses
sought-after in monitoring programs.
Biodiversity and conservation status
are best measured using species-level data.
For example how can we assess the
ecological importance or the severity
of impact in a quatitative way between
varioius sites and regiona.
Select Appropriate Design and Analysis
( See Vol 1 3.2-10 )
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Initiate Remedial Actions or Accept Level of Change
Select Indicators and Protocol
( See Vol 1 pages 3.2-6 & 3.2-10 )
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Interpret Results, assess which Water
Quality Objectives are being achieved
( See Vol 1 page 3.2-17 )
Determine Management Decision Criteria
( See Vol 1 page 3.2-13 )
Low Risk of Damage
or Impairment of Use
High Risk of Damage
or Impairment of Use
<<<< Decision Criteria Met
Decision Criteria Not Met >>>>
# Further investigations are not mandatory; users may opt to proceed to remedial action.