Indicators 2.2

by Contact on 30 October 2026

Applicability

Indicators

Description

2.2.1

2.2.2

2.2.3

2.2.4

2.2.5

2.2.6

2.2.7

Indicator applicability: land-based systems producing catfish, crustaceans, freshwater salmonids or pike-perch

The UoC shall 2121An exemption applies to: (i) the site’s inflow and outflow systems; (ii) sites adjacent to artificial canals or natural waterways that have undergone considerable man-made modification; and, (iii) sites producing pike-perch and salmonids in freshwater that were installed before February 2013. Exemption (iii) does not apply to sites that were installed before this date but have subsequently undergone significant expansion. maintain a riparian zone between the site and any confined or linear waterbody, with a minimum width of either 15m or as determined through the ERA (see Indicator 2.1.1), whichever is stricter.

2.2.8

2.2.9

2.2.10

2.2.11

Indicator applicability: all bivalve species

The UoC shall2222An exemption to Indicator 2.2.11 applies for situations where the total surface area of aquaculture within a waterbody is less than 10% of the total surface area of the waterbody. ensure that total bivalve culture in a waterbody does not result in phytoplankton depletion either by:

demonstrating that the waterbody has a ratio of Clearance Time (CT) over Retention Time (RT) > 1, following the method outlined in Appendix 5 (5.2). Where CT over RT is <1, demonstrate that the waterbody has a ratio of CT over Primary Production Time (PPT) > 3, following the method outlined in Appendix 5 (5.3); or
conducting a modelling study that demonstrates that the carrying capacity of the waterbody is not exceeded.

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Indicators 2.2

Indicators

Description