Sustainable Fisheries through Sustaining Fish Habitat

Victor Harbor, SA
12-13 August 1992
Editor: D.A. Hancock

Contents

Foreword
J.G. Pepperell (p iii)

SESSION 1: Introduction

Keynote Address: Habitat is Where It's At! "It's More Fun to Fight over More Fish than Less Fish"
SJ. Moberly (p 3)

Discussion of Keynote Address
Recorded by J.P. Glaister (p 14)

SESSION 2: A Manager's View of Fish Habitat

Chairperson's Introduction
R.K. Lewis (p 19)

An Ecosystem-based Approach to Marine Fisheries Management
K.S. Edyvane (p 21)

Estuarine Issues from the Manager's Viewpoint
R.H. Winstanley (p 28)

Freshwater Habitat Protection-A Manager's Perspective
P.D. Jackson (p 32)

Discussion of Session 2
Recorded by G.M. Newton (p 35)

SESSION 3: Organisms and Environmental Relationships I-Case Studies

Chairperson's Introduction
P.C. Gehrke (p 41)

Maintain or Modify-Alternative Views of Managing Critical Fisheries Habitat
I.R. Poiner, N.R. Loneragan and C.A. Conacher (p 43)

Rehabilitation, Mitigation and Restoration of Fish Habitat in Regulated Rivers
S. Swales (p 49)

A Habitat Fit for Fish-An Aim of Biomanipulation?
M.T. Bales (p 57)

Enhancement of Estuarine Habitats in Association with Development
R.M. Morton (p 64)

Discussion of Session 3
Recorded by G.A. Thorncraji (p 70)

SESSION 4: Organisms and Environmental Relationships 11-Key Variables and Broad Based Issues

Chairperson's Introduction: Key Factors Linking Fish and Their Habitat
B.E. Pierce (p 75)

Freshwater Fish Habitats: Key Factors and Methods to Determine Them
J.D. Koehn (p 77)

Defining Key Factors Relating Marine Fishes and Their Habitats
P.C. Young and J.P. Glaisrer (p 84)

Defining Key Factors Relating Fish Populations in Estuaries and Their Habitats
N.R. Loneragan (p 95)

Discussion of Session 4
Recorded by M.I. Kangas (p 106)

General Discussion-Day 1
Recorded by D.C. Smith (p 109)

SESSION 5: Impact of Human Activities on Habitat and Fisheries

Chairperson's Introduction
C.M. MacDonaM (p 115)

Habitat Changes and Declines of Freshwater Fish in Australia: What is the Evidence and Do We Need More?
M. Mallen-Cooper (p 118)

Ecological Basis for Parallel Declines in Seagrass Habitat and Catches of Commercial Fish in Western Port Bay, Victoria
G.P. Jenkins, G.J. Edgar, H.M.A. May and C. Shaw (p 124)

Effects of Trawling on the Marine Habitat on the North West Shelf of Australia and Implications for Sustainable Fisheries Management
K.J. Sainsbury, RA. Campbell and A.W. Whitelaw (p 137)

Discussion of Session 5
Recorded by P.C. Coutin (p 146)

SESSION 6: Alternative Uses (Economic, Social and Political)-Key Values

Chairperson's Introduction
RE. Reichelt (p 155)

Maximising the Potential for Both Sustainable Fisheries and Alternative Uses of Fish Habitat through Marine Harvest Refugia
D A. Pollard.. (p 156)

Alternative Uses of Aquatic Habitats: An Economic Perspective
A.J. Staniforzl (p 159)

Bureau of Resource Sciences Proceedings Discussion of Session 6
Recorded by J. Robertson (p 165)

SESSION 7: Management (Amelioration, Enhancement, Conservation)

Chairperson's Introduction
B.A. Richardson (p 171)

The Management of Marine Habitat
R.N. O'Boyle (p 174)

Management of the Estuarine Habitat
J. Burchmore (p 184)

Managing Freshwater Fish Habitat
W. Fulton (p 188)

Discussion of Session 7
Recorded by D.A. Pollard 191)

GENERAL DISCUSSION

Recorded by P.R. Last (p 199)

SUMMING UP
S.J. Moberly (p 209)

APPENDIXES

Appendix 1 : Australia's Threatened Fishes 1992 Listing-Australian Society for Fish Biology
P.D. Jackson, J.D. Koehn and R. Wager (p 213)

Appendix 2: Workshop Program (p 228)

Appendix 3: List of Participants (p 231)