Stocks (assets)
Flows (benefits)

Quantity of environmental asset

Quality of environmental asset

Natural aquatic resources harvested

Natural aquatic resources harvested - monetary value

Units

Mass, e.g. tonnes (t)

Example methods / guidance / references

What are tiers?

Tier 1

Estimate using own judgement and observations

Tier 2

Estimate using third-party professional estimates or public data

Tier 3

Model or measure based on site-specific surveys/sampling, remote or in-field sensing, laboratory analysis, etc.

Example data sources

Internal records

Third-party data sources

Data on catch volumes for Australian wild-caught fisheries, by species, are available at Status of Australian Fish Stocks Reports
Data on annual production from Australian natural aquatic resources at national and state level, by commodity, are available at Australian Bureau of Agricultural and Resource Economics and Sciences (ABARES) – Fisheries data (select Australian fisheries and aquaculture statistics).

Site-specific measurements or model outputs

Notes

Work in progress - Feedback welcome

Units

Currency, e.g. A$

Example methods / guidance / references

What are tiers?

Tier 1

Multiply physical flow quantity by estimated monetary value per unit

Tier 2

Multiply physical flow quantity by estimated monetary value per unit

Tier 3

Multiply physical flow quantity by estimated monetary value per unit

Example data sources

Internal records

Third-party data sources

Site-specific measurements or model outputs

Notes

Work in progress - Feedback welcome

Units

Various

Example methods / guidance / references

What are tiers?

Tier 1

Estimate using own judgement and observations

Tier 2

Estimate using third-party professional estimates or public data

Tier 3

Model or measure based on site-specific surveys/sampling, remote or in-field sensing, laboratory analysis, etc.

Example data sources

Internal records

Third-party data sources

Site-specific measurements or model outputs

Notes

Work in progress - Feedback welcome

Units

Mass, e.g. tonnes (t)

Example methods / guidance / references

What are tiers?

Tier 1

Estimate using own judgement and observations

Tier 2

Estimate using third-party professional estimates or public data

Tier 3

Model or measure based on site-specific surveys/sampling, remote or in-field sensing, laboratory analysis, etc.

Example data sources

Internal records

Third-party data sources

Site-specific measurements or model outputs

Notes

Work in progress - Feedback welcome