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South Australian Recreational Fishing Survey 2013/14 South Australian Recreational Fishing Survey 2013/14 July 2015 Fisheries Victoria Internal Report Series No. 62 South Australian Recreational Fishing Survey 2013/14 Khageswor Giri and Kylie Hall July 2015 Fisheries Victoria Internal Report Series No. 62 Published by the Victorian Government, Department of Economic Development, Jobs, Transport and Resources (DEDJTR), July 2015 © The State of Victoria, Department of Economic Development, Jobs, Transport and Resources Melbourne 2015 This publication is copyright. No part may be reproduced by any process except in accordance with the provisions of the Copyright Act 1968. Authorised by the Victorian Government, 1 Spring Street, Melbourne. Printed by DEDJTR Queenscliff, Victoria. Preferred way to cite this publication: Giri K and Hall K (2015) South Australian Recreational Fishing Survey. Fisheries Victoria Internal Report Series No. 62. Author Contact Details: Khageswor Giri C/- Fisheries Management and Science Branch, Fisheries Victoria PO Box 114, Queenscliff Vic 3225 Copies are available from the website www.ecodev.vic.gov.au/fishing For more information contact the DEDJTR Customer Service Centre 136 186 Disclaimer This publication may be of assistance to you but the State of Victoria and its employees do not guarantee that the publication is without flaw of any kind or is wholly appropriate for your particular purposes and therefore disclaims all liability for any error, loss or other consequence which may arise from you relying on any information in this publication. Accessibility If you would like to receive this publication in an accessible format, such as large print or audio, please telephone 136 186, or email [email protected] Deaf, hearing impaired or speech impaired? Call us via the National Relay Service on 133 677 or visit www.relayservice.com.au This document is also available in PDF format on the internet at www.ecodev.vic.gov.au SA recreational fishing survey 2013/14 ii Contents Executive Summary 1 Key Findings 1 Resident Participation and Demographics 1 Fishing Effort 2 Catch (Total, Harvested and Released Numbers) 2 Comparison between the 2000/01, 2007/08 and 2013/14 Surveys 2 Catches of Key Species 2 Introduction 4 Background 4 Objectives 4 Report Structure 5 Survey Methods and Analysis 6 Survey Scope 6 Survey Methods 6 Survey Overview 6 Sampling Design 7 Screening Survey 7 Telephone Diary Survey 9 Non-intending Fisher Survey 9 Attitudinal/’Wash-up’ Survey 9 On-site Surveys 10 Data Management 10 Online/Telephone Survey Components 10 On-site Surveys 10 Data Analysis 10 Regions 11 Sampling Regions 11 Fishing Regions 12 Fishing Effort 13 Fishing Methods 13 Catch 13 Results — Sample and Response Profiles 14 Screening Survey 14 Diary Survey 15 Non-intending Fisher Survey 16 Attitudinal/’Wash-up’ Survey 16 On-site Surveys 16 Diary Survey Catch Length Measurements 17 Results — Fisher Profiles 18 Numbers of Fishers and Participation Rates 18 Age and Gender 19 SA recreational fishing survey 2013/14 iii Results — Fishing Effort 20 Days Fished by Fisher 20 Fishing Method 21 Fishing Region 22 Fishing by Stratum 23 Fishing Platform 24 Results — Catch 25 Total Catch, Harvested and Released Numbers 25 Harvest Weights 29 Results — Key Species 34 King George Whiting (Sillaginodes punctatus) 34 Snapper (Chrysophrys auratus formerly Pagrus auratus) 35 Southern Garfish (Hyporhamphus melanochir) 36 Southern Calamari (Sepioteuthis australis) 37 Blue Swimmer Crab (Portunus armatus formerly Portunus pelagicus) 38 Southern Rock Lobster (Jasus edwardsii) 40 Mulloway (Argyrosomus japonicus formerly Argyrosomus hololepidotus) 42 Australian Salmon (Arripis truttaceus) 43 Pipi (Plebidonax deltoids) 44 Results — Comparison with the 2007/08 Survey 45 Response Profiles 45 Fisher Characteristics 46 Participation Rates 46 Age and Gender 47 Fishing Effort 49 Catch 50 Discussion 53 Changes in Participation, Participation Rates and Fishing Effort 53 Validation of Estimates from Large Surveys 53 Improving the Precision of Species Catch Estimates 53 Interstate Component of Recreational Fishing in South Australia 54 Use of Estimates for Future Management of the Recreational Fishery and Resource Allocation Decisions 54 Acknowledgements 55 References 56 Appendices 58 A.1 Angler Diary Cover Letter and Instructions 2013/14 58 A.2 Estimated number of SA resident recreational fishers, aged 5 years or older, who fished in SA during 2013/14, by gender, age group and statistical division (SD). 64 SA recreational fishing survey 2013/14 iv A.3 Estimated participation rate (% of resident population) of SA resident recreational fishers, aged 5 years or older, who fished in SA during 2013/14, by gender, age group and statistical division (SD). 65 List of Tables Table 1: South Australian private-dwelling population (number of households), sample size, and sample loss/response profiles for the screening survey, by stratum (statistical division, SD). ............... 14 Table 2: Screening survey samples and call outcomes for landline and mobile households. .................. 15 Table 3: Diary recruitment performance.................................................................................................... 15 Table 4: Household response profiles for the diary survey by stratum (statistical division, SD). ............. 16 Table 5: Proportion (%) of fishing effort according to method of capture. ................................................ 21 Table 6: Fishing effort by stratum (statistical division, SD). ...................................................................... 23 Table 7: Numbers of fishers by stratum (statistical division, SD). ............................................................. 24 Table 8: Estimated annual catch (total, harvested and released numbers) and release rates (%) of marine finfish species, by SA residents aged 5 years or older in 2013/14, with key species in bold. ............................................................................................................................................. 25 Table 9: Estimated annual catch (total, harvested and released numbers) and release rates (%) of marine shellfish, crustacean and cephalopod species, by SA residents aged 5 years or older in 2013/14, with key species in bold. .............................................................................................. 27 Table 10: Estimated annual catch (total, harvested and released numbers) and release rates (%) of freshwater species, by SA residents aged 5 years or older in 2013/14. ..................................... 28 Table 11: Proportion of regulated recreational catch released by SA residents aged 5 years or older in 2013/14. ...................................................................................................................................... 29 Table 12: Estimated annual harvest (numbers), average weight (kg), estimated harvest weight (kg, live weight) and % of total harvest for key and other regulated species taken by SA recreational fishers in SA aged 5 years or older in 2013/14, compared with the commercial harvest for 2013/14. ...................................................................................................................................... 30 Table 13: Response profiles of households participating in the screening and diary surveys in 2007/08 and 2013/14, based on the net sample (total gross sample less sample loss). ......................... 45 Table 14: Fishing participation in the 12 months prior to October 2007 and November 2013 by strata (statistical division, SD) for persons aged 5 years or older; A: Number of persons and B: Proportion (%) of the resident population. .................................................................................. 46 List of Figures Figure 1: Diagrammatic representation of the 2013/14 SA recreational fishing survey. .............................. 8 Figure 2: Map of South Australia showing survey strata – statistical divisions. ......................................... 11 Figure 3: Map of South Australia showing the locations of 35 regions used for reporting fishing activities — coastal and inland fishing regions. ......................................................................................... 12 Figure 4: Fishing participation in the 12 months prior to November 2013 by statistical division by SA residents aged 5 years or older: A) number of fishers; and B) proportion (%) of the resident population. ................................................................................................................................... 18 Figure 5: Fishing participation in the 12 months prior to November 2013 by age group and gender by SA residents aged 5 years or older: A) number of fishers; and B) proportion (%) of the resident population. ................................................................................................................................... 19 Figure 6: Frequency distribution (%) of number of days fished during the survey period by 237,702 recreational fishers (SA residents). ............................................................................................. 20 Figure 7: Relationship between the number of fishers and their cumulative fishing effort (% of days fished) for SA residents aged 5 years or older in SA during the survey period. Dotted lines indicate that 80% of the total number of fishers accounted for approximately 44% of the total effort. ........... 21 Figure 8: Percentage of fishing effort (fisher days)
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