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Module 5 - VicForests

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FOREST AUDIT PROGRAM, AUDIT WORKBOOK 5B – WATER QUALITY, RIVER HEALTH AND SOIL PROTECTION<br />

Water Quality, River Health and Soil Protection<br />

Water Catchments – Mandatory Actions<br />

Ref Origin Section Prescription Audit Criteria Compliance<br />

Extent (E) Duration<br />

(t)<br />

Environmental Impact Assessment<br />

Asset<br />

Value (z)<br />

Impact<br />

Auditor Comments<br />

Comments:<br />

FOREST AUDIT PROGRAM – MODULE 5 HARVESTING AND CLOSURE, APRIL 2010 PAGE 25 OF 30<br />

FOREST AUDIT PROGRAM, AUDIT WORKBOOK 5B – WATER QUALITY, RIVER HEALTH AND SOIL PROTECTION<br />

Soil Assessment<br />

Measurement<br />

Measurement Methodology:<br />

Using the ‘Field guide and assessment kit - soil erosion hazard assessment and soil permeability assessment and classification’ determine the:<br />

i). soil erosion classification; and<br />

ii). soil permeability classification.<br />

Combine the soil erosion and soil hazard classifications to determine an overall soil category<br />

Soil Permeability Classification<br />

Soil Erosion Classification<br />

Low Medium High Very High<br />

Low M M H VH<br />

High L L M M<br />

Use this overall soil category to determine water quality risk.<br />

Overall Soil Category<br />

Low<br />

M<br />

H<br />

VH<br />

Water Quality Risk<br />

Low Water Quality Risk<br />

Moderate Water Quality Risk<br />

High Water Quality Risk<br />

Very High Water Quality Risk<br />

Source: Soil Erosion Hazard and Soil Permeability Assessment and Classification, Forest Management Branch Forests Service, Department of Natural Resources and<br />

Environment, March 1999.<br />

FOREST AUDIT PROGRAM – MODULE 5 HARVESTING AND CLOSURE, APRIL 2010 PAGE 26 OF 30

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