DOCSLIB.ORG

Habitat Suitability Modelling of Economically Important Fish Species

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Habitat Suitability Modelling of Economically Important Fish Species ICES Journal of Marine Science, 63: 1590e1603 (2006) doi:10.1016/j.icesjms.2006.06.008 Habitat suitability modelling of economically important fish species with commercial fisheries data Liz Morris and David Ball Morris, L., and Ball, D. 2006. Habitat suitability modelling of economically important fish species with commercial fisheries data. e ICES Journal of Marine Science, 63: 1590e1603. Downloaded from https://academic.oup.com/icesjms/article/63/9/1590/696978 by guest on 01 October 2021 In this study we used catch and effort data from a commercial fishery to generate habitat suitability models for Port Phillip Bay, Victoria, Australia. Species modelled were King George whiting (Sillaginodes punctata), greenback flounder (Rhombosolea tapirina), Aus- tralian salmon (Arripis trutta and A. truttaceus), and snapper (Pagrus auratus). Locations of commercial catches were reported through a grid system of fishing blocks. Spatial analyses in a Geographic Information System (GIS) were applied to describe each fishing block by its habitat area. A multivariate approach was adopted to group each fishing block by its dominant habitats. Standardized catch per unit effort values were overlaid on these groups to identify those that returned high or low catches for each species. A simple set of rules was then devised to predict the habitat suitability for each habitat combination in a fishing block. The spatial distribution of these habitats was presented in a GIS. These habitat suit- ability models were consistent with existing anecdotal information and expert opinion. While the models require testing, we have shown that in the absence of adequate fishery-independent data, commercial catch and effort data can be used to produce habitat suitability models at a bay-wide scale. Ó 2006 International Council for the Exploration of the Sea. Published by Elsevier Ltd. All rights reserved. Keywords: catch and effort, fisheries habitat, Geographic Information Systems, multivariate analysis, Port Phillip Bay. Received 25 May 2005; accepted 26 June 2006. L. Morris and D. Ball: Primary Industries Research Victoria e Marine and Freshwater Systems, PO Box 114, Queenscliff, Victoria 3225, Australia. Correspondence to L. Morris: tel: þ61 3 5258 0111; fax: þ61 3 5258 0270; e-mail: [email protected]. Introduction problems when used as a surrogate for fishery-independent data, relating to the scale of information, sampling bias, The protection of fishery habitat is a vital part of ecosystem- reporting issues, and confidentiality (Mace, 1997; Starr and based approaches to fisheries management, and acknowl- Fox, 1997; Zheng et al., 2001; Gallaway et al., 2003a, b). edges that fish populations should not be considered Most commercial fisheries data do not have precise geo- independently of their environment (Sharp, 1997; Parsons graphic coordinates to define spatial location; more often and Harrison, 2000). Despite this, we often lack detailed they use a system of coarse-scale grids for fishers to record information about the importance of different habitat types catch locations. Further, associated environmental data are to fish species, so may be failing to provide adequate pro- not typically recorded with the catch information (Rubec, tection for important habitats. Where fish-habitat associa- 1996). Despite these problems, fisheries scientists and man- tion data exist, it is possible to combine them with habitat agers are increasingly interested in accessing the large data in a Geographic Information System (GIS) to provide amount of information that exists within the fishing com- a spatially explicit model of habitat suitability (Gallaway munity (Bowen, 1997; Maurstad, 2002). et al., 1999; Rubec et al., 1999, 2001, 2003; Brown In areas where characteristics of the fishery are well et al., 2000; Guisan and Zimmermann, 2000; Stoner et al., known, one way of sourcing fisher knowledge is to use 2001). commercial catch and effort data. An implicit assumption Commercial fisheries’ catch and effort data from vessel in using these data is that the regions in which fishers are monitoring systems and logbooks are routinely collected operating have the highest densities of the targeted species. for stock assessment and fishery management purposes in Several recent studies have used logbook data and vessel Australia and internationally. Such data have intrinsic monitoring systems to investigate the spatial distributions 1054-3139/$32.00 Ó 2006 International Council for the Exploration of the Sea. Published by Elsevier Ltd. All rights reserved. Habitat suitability modelling of fish species with commercial fisheries data 1591 of fish, and have attempted to link this information with In this study we analysed catch and effort data for King environmental data (Denis and Robin, 2001; Zheng et al., George whiting (Sillaginodes punctata), greenback floun- 2001; Denis et al., 2002; Kemp and Meaden, 2002; Marrs der (Rhombosolea tapirina), Australian salmon (Arripis et al., 2002; Reynolds, 2003). In this study, we extend spp.), and snapper (Pagrus auratus) to produce habitat suit- this approach to predict the distribution of suitable habitats, ability models. These species are all major components of and by extension, fish distributions, based on commercial the Port Phillip Bay fishery and include demersal species catch and effort data in Port Phillip Bay, Victoria, Australia (King George whiting, greenback flounder, snapper) and (Figure 1). a pelagic predator (Australian salmon). We assumed that Port Phillip Bay is a large and relatively shallow marine models for the demersal species would be more reliable be- embayment. It is characterized by predominantly bare sand, cause of the closer association of these species with the silt, and clay sediments, with extensive shallow seagrass types of habitat parameters investigated in the study. Downloaded from https://academic.oup.com/icesjms/article/63/9/1590/696978 by guest on 01 October 2021 beds bordering the southern and western shores (Figure 2). The fishery for King George whiting and Australian The bay is linked to the oceanic waters of Bass Strait salmon targets sub-adults, with minimum catch sizes of through a narrow entrance called The Rip, and the tidal 27 and 21 cm, respectively. The snapper fishery can be di- range in most of the bay is <1 m. Its fishery is managed vided into a longline fishery that targets primarily adult fish, through a licencing system with restrictions on fishing and a haul-seine/mesh-net fishery that primarily targets sub- gear types, minimum allowable fish sizes, fishing seasons, adults, colloquially known as ‘‘pinkies’’. Sub-adult snapper and spatial closures (e.g. marine national parks). There have a minimum legal catch size of 27 cm, whereas adults are 59 licenced commercial fishers operating in the Bay, may reach lengths >80 cm. The greenback flounder fishery who primarily fish from small vessels with seine-nets targets adults with a minimum catch size of 23 cm. (haul, purse, and beach), mesh-nets (also known as gill- Haul-seining is restricted to the shallower areas of the nets), and longlines (Anon., 2001). bay. Mesh-nets are used throughout the bay, but most of Figure 1. Port Phillip Bay location maps, and fishery catch and effort block boundaries. 1592 L. Morris and D. Ball Longlines consist of a monofilament main line weighted at each end with a maximum of 200 hooks typically attached at 10-m intervals by 1-m snoods (Coutin, 2000). Fishers are only permitted to deploy one longline at a time, and these are typically used in the deeper areas of the bay away from possible seabed snags, interference from recreational fishers and boating, and where the by- catch of low value species is likely to be minimized. Methods Downloaded from https://academic.oup.com/icesjms/article/63/9/1590/696978 by guest on 01 October 2021 Habitat data GIS polygon layers for depth, sediment type, and substra- tum type/biota provided the habitat information to charac- terize each fishing block (Figure 2). The depth layer was produced by digitizing depth contours from 1:25 000 hydro- graphic charts sourced from the Port of Melbourne Corpo- ration. The sediment type layer was digitized from a 1:100 000 seabed sediment map presented in a study of grain-size distribution throughout the bay (PMA, 1987). A substratum type/biota polygon layer at a scale of 1:25 000 was available from mapping of seagrass distribu- tion, through interpretation of high-resolution colour aerial photography combined with extensive ground-truthing (Blake and Ball, 2001). Because Port Phillip Bay is pre- dominantly a marine system, salinity and water temperature were not considered to be significant influences on the dis- tribution of the fish species investigated in the study. All spatial analyses and development of habitat suitabil- ity maps were undertaken with the GIS software ARCINFO and ArcView. To determine the habitat characteristics of each fishing block, we combined all habitat layers into a sin- gle layer in the GIS. The Identity command in ARCINFO was used to overlay the fishing block layer with substratum type/biota, depth, and sediment polygon layers, and to cal- culate the geometric intersection of each layer (Figure 3). Two layers were intersected at a time with the Identity command, and the output of the process formed one of the input layers to intersect with the next layer (i.e. a geo- metric intersection was calculated on the fishing block and substratum type/biota layers first, then the output from this was intersected with the depth layer, and so on until all layers had been intersected). The final output of this process was a single combined layer that retained the spatial fea- tures and attributes for each of the input layers (Figure 3). A composite habitat code for each feature in the output layer was then calculated by combining the habitat codes Figure 2. Port Phillip Bay depths, substratum type/biota (after from each input layer. The attributes of the GIS habitat Blake and Ball, 2001), and sediments (after PMA, 1987).
Load more

Recommended publications
  • Congolli (Pseudaphritis Urvillii) and Australian Salmon (Arripis Truttaceus and A
    Inland Waters and Catchment Ecology Diet and trophic characteristics of mulloway (Argyrosomus japonicus), congolli (Pseudaphritis urvillii) and Australian salmon (Arripis truttaceus and A. trutta) in the Coorong George Giatas and Qifeng Ye SARDI Publication No. F2015/000479-1 SARDI Research Report Series No. 858 SARDI Aquatics Sciences PO Box 120 Henley Beach SA 5022 September 2015 Giatas and Ye (2015) Diet of three fish species in the Coorong Diet and trophic characteristics of mulloway (Argyrosomus japonicus), congolli (Pseudaphritis urvillii) and Australian salmon (Arripis truttaceus and A. trutta) in the Coorong George Giatas and Qifeng Ye SARDI Publication No. F2015/000479-1 SARDI Research Report Series No. 858 September 2015 II Giatas and Ye (2015) Diet of three fish species in the Coorong This publication may be cited as: Giatas, G.C. and Ye, Q. (2015). Diet and trophic characteristics of mulloway (Argyrosomus japonicus), congolli (Pseudaphritis urvillii) and Australian salmon (Arripis truttaceus and A. trutta) in the Coorong. South Australian Research and Development Institute (Aquatic Sciences), Adelaide. SARDI Publication No. F2015/000479-1. SARDI Research Report Series No. 858. 81pp. South Australian Research and Development Institute SARDI Aquatic Sciences 2 Hamra Avenue West Beach SA 5024 Telephone: (08) 8207 5400 Facsimile: (08) 8207 5406 http://www.pir.sa.gov.au/research DISCLAIMER The authors warrant that they have taken all reasonable care in producing this report. The report has been through the SARDI internal review process, and has been formally approved for release by the Research Chief, Aquatic Sciences. Although all reasonable efforts have been made to ensure quality, SARDI does not warrant that the information in this report is free from errors or omissions.
    [Show full text]
  • Blue Carbon’ Within Corangamite
    The Distribution and Abundance of ‘Blue Carbon’ within Corangamite A report for the Corangamite Catchment Management Authority Funded by the Australian Government February 2015 Authors: Paul Carnell, Carolyn Ewers, Ellen Rochelmeyer, Richard Zavalas, Bruce Hawke, Daniel Ierodiaconou, Jonathan Sanderman and Peter Macreadie (corresponding author) Cover photo: Saltmarsh at Breamlea Executive Summary Vegetated coastal habitats—seagrasses, saltmarshes and mangroves—have recently been identified as one of the most effective carbon sinks on the planet. Such habitats can bury carbon at a rate 35-57 times faster than tropical rainforests and can store carbon for thousands of years. Recent global data estimate that vegetated coastal habitats contribute 50% of carbon burial in the oceans – termed “blue carbon”. These features make vegetated coastal habitats ideal candidates for carbon offset programs and nature-based climate mitigation initiatives. In 2014 the Corangamite Catchment Management Authority (CMA) identified a lack of information on the distribution and abundance of blue carbon within the catchment. Such information is critical for guiding the spatial prioritisation of conservation efforts. To address this knowledge gap, the Corangamite CMA commissioned researchers from Deakin University to conduct Corangamite’s first blue carbon stock assessment, focussing on sedimentary organic carbon. The major findings of this program are as follows: Corangamite has an estimated total blue carbon sediment stock of 431,502.02 Mg and a total carbon value of $6,472,530 over the top 30 cm of sediment at $15 Mg-1. It should be noted that because current sampling was confined to the top 30 cm of sediment, the carbon estimates given here are highly conservative.
    [Show full text]
  • New Zealand Fishes a Field Guide to Common Species Caught by Bottom, Midwater, and Surface Fishing Cover Photos: Top – Kingfish (Seriola Lalandi), Malcolm Francis
    New Zealand fishes A field guide to common species caught by bottom, midwater, and surface fishing Cover photos: Top – Kingfish (Seriola lalandi), Malcolm Francis. Top left – Snapper (Chrysophrys auratus), Malcolm Francis. Centre – Catch of hoki (Macruronus novaezelandiae), Neil Bagley (NIWA). Bottom left – Jack mackerel (Trachurus sp.), Malcolm Francis. Bottom – Orange roughy (Hoplostethus atlanticus), NIWA. New Zealand fishes A field guide to common species caught by bottom, midwater, and surface fishing New Zealand Aquatic Environment and Biodiversity Report No: 208 Prepared for Fisheries New Zealand by P. J. McMillan M. P. Francis G. D. James L. J. Paul P. Marriott E. J. Mackay B. A. Wood D. W. Stevens L. H. Griggs S. J. Baird C. D. Roberts‡ A. L. Stewart‡ C. D. Struthers‡ J. E. Robbins NIWA, Private Bag 14901, Wellington 6241 ‡ Museum of New Zealand Te Papa Tongarewa, PO Box 467, Wellington, 6011Wellington ISSN 1176-9440 (print) ISSN 1179-6480 (online) ISBN 978-1-98-859425-5 (print) ISBN 978-1-98-859426-2 (online) 2019 Disclaimer While every effort was made to ensure the information in this publication is accurate, Fisheries New Zealand does not accept any responsibility or liability for error of fact, omission, interpretation or opinion that may be present, nor for the consequences of any decisions based on this information. Requests for further copies should be directed to: Publications Logistics Officer Ministry for Primary Industries PO Box 2526 WELLINGTON 6140 Email: [email protected] Telephone: 0800 00 83 33 Facsimile: 04-894 0300 This publication is also available on the Ministry for Primary Industries website at http://www.mpi.govt.nz/news-and-resources/publications/ A higher resolution (larger) PDF of this guide is also available by application to: [email protected] Citation: McMillan, P.J.; Francis, M.P.; James, G.D.; Paul, L.J.; Marriott, P.; Mackay, E.; Wood, B.A.; Stevens, D.W.; Griggs, L.H.; Baird, S.J.; Roberts, C.D.; Stewart, A.L.; Struthers, C.D.; Robbins, J.E.
    [Show full text]
  • SWAN BAY ENVIRONMENT ASSOCIATION NEWSLETTER NO 84 – February 2020 P.O
    SWAN BAY ENVIRONMENT ASSOCIATION NEWSLETTER NO 84 – February 2020 P.O. Box 143, Queenscliff 3225 Reg. No: A 00 1 7279 U http://sbea.webuda.com NURSERY NEWS SWAN BAY ENVIRONMENT Our nursery plants are loving the recent rains and ASSOCIATION high humidity. Sarah Roberts, the nursery’s coordinator, is very busy in the nursery at this Notice of Annual General Meeting time of year and also provides advice to gardeners 17th April 2020 who drop in to buy plants on Wednesday 7.30pm mornings and every third Sunday morning. Queenscliff Uniting Church Sarah is also finding a new use for old potting mix, which she is popping it into a compost bin Guest Speaker: Dr Danny Rogers for later use on veggie gardens. Another project is “Birds of Swan Bay” the development of the nursery’s seed bank, which volunteers are helping organise. Danny is one of Australia’s best known shorebird ecologists with an unsurpassed knowledge of birds of Swan Bay. He is a research biologist at Arthur Rylah Institute (Dept Environment, Land, Water and Planning) and is a co-author of the recently published “Australian Bird Guide”. Martin Gill, CEO, QBC will also address progress on Council’s climate emergency plan Membership renewals are due at the AGM. You may pay by direct deposit to 633-000 136521358 or by mail to PO Box 143, Queenscliff VIC 3225 If you would like to nominate yourself or someone else to the SBEA Committee, nominations should be submitted by Volunteers busy in the nursery on a Sunday morning. 10 April 2020.
    [Show full text]
  • Table of Fishes of Sydney Harbour 2019
    Table of Fishes of Sydney Harbour 2019 Family Family/Com Species Species Common Notes mon Name Name Acanthuridae Surgeonfishe Acanthurus Eyestripe close s dussumieri Surgeonfish to southern li mit Acanthuridae Acanthurus Orangebloch close to olivaceus Surgeonfish southern limit Acanthuridae Acanthurus Convict close to triostegus Surgeonfish southern limit Acanthuridae Acanthurus Yellowmask xanthopterus Surgeonfish Acanthuridae Paracanthurus Blue Tang not included hepatus in species count Acanthuridae Prionurus Spotted Sawtail maculatus Acanthuridae Prionurus Australian Sawtail microlepidotus Ambassidae Glassfishes Ambassis Port Jackson jacksoniensis glassfish Ambassidae Ambassis marianus Estuary Glassfish Anguillidae Freshwater Anguilla australis Shortfin Eel Eels Anguillidae Anguilla reinhardtii Longfinned Eel Antennariidae Anglerfishes Antennarius Freckled Anglerfish southern limit coccineus Antennariidae Antennarius Giant Anglerfish close to commerson southen limit Antennariidae Antennarius Shaggy Anglerfish southern limit hispidus Antennariidae Antennarius pictus Painted Anglerfish Antennariidae Antennarius striatus Striate Anglerfish Table of Fishes of Sydney Harbour 2019 Antennariidae Histrio histrio Sargassum close to Anglerfish southen limit Antennariidae Porophryne Red-fingered erythrodactylus Anglerfish Aploactinidae Velvetfishes Aploactisoma Southern Velvetfish milesii Aploactinidae Cocotropus Patchwork microps Velvetfish Aploactinidae Paraploactis Bearded Velvetfish trachyderma Aplodactylidae Seacarps Aplodactylus Rock Cale
    [Show full text]
  • Intrinsic Vulnerability in the Global Fish Catch
    The following appendix accompanies the article Intrinsic vulnerability in the global fish catch William W. L. Cheung1,*, Reg Watson1, Telmo Morato1,2, Tony J. Pitcher1, Daniel Pauly1 1Fisheries Centre, The University of British Columbia, Aquatic Ecosystems Research Laboratory (AERL), 2202 Main Mall, Vancouver, British Columbia V6T 1Z4, Canada 2Departamento de Oceanografia e Pescas, Universidade dos Açores, 9901-862 Horta, Portugal *Email: [email protected] Marine Ecology Progress Series 333:1–12 (2007) Appendix 1. Intrinsic vulnerability index of fish taxa represented in the global catch, based on the Sea Around Us database (www.seaaroundus.org) Taxonomic Intrinsic level Taxon Common name vulnerability Family Pristidae Sawfishes 88 Squatinidae Angel sharks 80 Anarhichadidae Wolffishes 78 Carcharhinidae Requiem sharks 77 Sphyrnidae Hammerhead, bonnethead, scoophead shark 77 Macrouridae Grenadiers or rattails 75 Rajidae Skates 72 Alepocephalidae Slickheads 71 Lophiidae Goosefishes 70 Torpedinidae Electric rays 68 Belonidae Needlefishes 67 Emmelichthyidae Rovers 66 Nototheniidae Cod icefishes 65 Ophidiidae Cusk-eels 65 Trachichthyidae Slimeheads 64 Channichthyidae Crocodile icefishes 63 Myliobatidae Eagle and manta rays 63 Squalidae Dogfish sharks 62 Congridae Conger and garden eels 60 Serranidae Sea basses: groupers and fairy basslets 60 Exocoetidae Flyingfishes 59 Malacanthidae Tilefishes 58 Scorpaenidae Scorpionfishes or rockfishes 58 Polynemidae Threadfins 56 Triakidae Houndsharks 56 Istiophoridae Billfishes 55 Petromyzontidae
    [Show full text]
  • The Corner Inlet Fishery
    The Corner Inlet Fishery Information to inform assessment of the Victorian Corner Inlet Fishery under the Environment Protection and Biodiversity Conservation Act 1999 © The State of Victoria Department of Economic Development, Jobs, Transport and Resources This work is licensed under a Creative Commons Attribution 3.0 Australia licence. You are free to re-use the work under that licence, on the condition that you credit the State of Victoria as author. The licence does not apply to any images, photographs or branding, including the Victorian Coat of Arms, the Victorian Government logo and the Department of Environment and Primary Industries logo. To view a copy of this licence, visit http://creativecommons.org/licenses/by/3.0/au/deed.en Accessibility If you would like to receive this publication in an alternative format, please contact the Customer Service Centre at 136 186 or [email protected] or the National Relay Service on 133 677 or www.relayservice.com.au . 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. Contents Introduction ............................................................................................................................................................... 2 Description
    [Show full text]
  • Bellarine Peninsula Distinctive Areas and Landscapes
    Bellarine Peninsula Distinctive Areas and Landscapes Discussion Paper April 2020 Acknowledgments We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria's land and waters, their unique ability to care for Country and deep spiritual connection to it. We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices. We are committed to genuinely partner, and meaningfully engage, with Victoria's Traditional Owners and Aboriginal communities to support the protection of Country, the maintenance of spiritual and cultural practices and their broader aspirations in the 21st century and beyond. Photo credit Visit Victoria content hub © The State of Victoria Department of Environment, Land, Water and Planning This work is licensed under a Creative Commons Attribution 4.0 International licence. You are free to re-use the work under that licence, on the condition that you credit the State of Victoria as author. The licence does not apply to any images, photographs or branding, including the Victorian Coat of Arms, the Victorian Government logo and the Department of Environment, Land, Water and Planning (DELWP) logo. To view a copy of this licence, visit creativecommons.org/licenses/by/4.0/ ISBN 978-1-76105-023-7 (pdf/online/MS word) 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.
    [Show full text]
  • Biology, Stock Status and Management Summaries for Selected Fish Species in South-Western Australia
    Fisheries Research Report No. 242, 2013 Biology, stock status and management summaries for selected fish species in south-western Australia Claire B. Smallwood, S. Alex Hesp and Lynnath E. Beckley Fisheries Research Division Western Australian Fisheries and Marine Research Laboratories PO Box 20 NORTH BEACH, Western Australia 6920 Correct citation: Smallwood, C. B.; Hesp, S. A.; and Beckley, L. E. 2013. Biology, stock status and management summaries for selected fish species in south-western Australia. Fisheries Research Report No. 242. Department of Fisheries, Western Australia. 180pp. Disclaimer The views and opinions expressed in this publication are those of the authors and do not necessarily reflect those of the Department of Fisheries Western Australia. While reasonable efforts have been made to ensure that the contents of this publication are factually correct, the Department of Fisheries Western Australia does not accept responsibility for the accuracy or completeness of the contents, and shall not be liable for any loss or damage that may be occasioned directly or indirectly through the use of, or reliance on, the contents of this publication. Fish illustrations Illustrations © R. Swainston / www.anima.net.au We dedicate this guide to the memory of our friend and colleague, Ben Chuwen Department of Fisheries 3rd floor SGIO Atrium 168 – 170 St Georges Terrace PERTH WA 6000 Telephone: (08) 9482 7333 Facsimile: (08) 9482 7389 Website: www.fish.wa.gov.au ABN: 55 689 794 771 Published by Department of Fisheries, Perth, Western Australia. Fisheries Research Report No. 242, March 2013. ISSN: 1035 - 4549 ISBN: 978-1-921845-56-7 ii Fisheries Research Report No.242, 2013 Contents ACKNOWLEDGEMENTS ...............................................................................................
    [Show full text]
  • National Strategy for the Survival of Released Line-Caught Fish: a Review of Research and Fishery Information
    NATIONAL STRATEGY FOR THE SURVIVAL OF RELEASED LINE-CAUGHT FISH: A REVIEW OF RESEARCH AND FISHERY INFORMATION FRDC Project 2001/101 McLeay, L.J, Jones, G.K. and Ward, T.M. November 2002 South Australian Research and Development Institute (SARDI) PO Box 120, Henley Beach, South Australia 5022 ISBN 0730852830 NATIONAL STRATEGY FOR THE SURVIVAL OF RELEASED LINE-CAUGHT FISH: A REVIEW OF RESEARCH AND FISHERY INFORMATION McLeay, L.J, Jones, G.K. and Ward, T.M. November 2002 Published by South Australian Research and Development Institute (Aquatic Sciences) © Fisheries Research and Development Corporation and SARDI. This work is copyright. Except as permitted under the Copyright Act 1968 (Cth), no part of this publication may be reproduced by any process, electronic or otherwise, without specific written permission of the copyright owners. Neither may information be stored electronically in any form whatsoever without such permission. DISCLAIMER The authors do not warrant that the information in this report is free from errors or omissions. The authors do not accept any form of liability, be it contractual, tortious or otherwise, for the contents of this report or for any consequences arising from its use or any reliance placed upon it. The information, opinions and advice contained in this report may not relate to, or be relevant to, a reader’s particular circumstances. Opinions expressed by the authors are the individual opinions of those persons and are not necessarily those of the publisher or research provider. ISBN No. 0730852830 TABLE
    [Show full text]
  • Download Full Article 2.0MB .Pdf File
    Memoirs of the National Museum of Victoria 12 April 1971 Port Phillip Bay Survey 2 https://doi.org/10.24199/j.mmv.1971.32.08 8 INTERTIDAL ECOLOGY OF PORT PHILLIP BAY WITH SYSTEMATIC LIST OF PLANTS AND ANIMALS By R. J. KING,* J. HOPE BLACKt and SOPHIE c. DUCKER* Abstract The zonation is recorded at 14 stations within Port Phillip Bay. Any special features of a station arc di�cusscd in �elation to the adjacent stations and the whole Bay. The intertidal plants and ammals are listed systematically with references, distribution within the Bay and relevant comment. 1. INTERTIDAL ECOLOGY South-western Bay-Areas 42, 49, 50 By R. J. KING and J. HOPE BLACK Arca 42: Station 21 St. Leonards 16 Oct. 69 Introduction Arca 49: Station 4 Swan Bay Jetty, 17 Sept. 69 This account is basically coneerncd with the distribution of intertidal plants and animals of Eastern Bay-Areas 23-24, 35-36, 47-48, 55 Port Phillip Bay. The benthic flora and fauna Arca 23, Station 20, Ricketts Pt., 30 Sept. 69 have been dealt with in separate papers (Mem­ Area 55: Station 15 Schnapper Pt. 25 May oir 27 and present volume). 70 Following preliminary investigations, 14 Area 55: Station 13 Fossil Beach 25 May stations were selected for detailed study in such 70 a way that all regions and all major geological formations were represented. These localities Southern Bay-Areas 60-64, 67-70 are listed below and are shown in Figure 1. Arca 63: Station 24 Martha Pt. 25 May 70 For ease of comparison with Womersley Port Phillip Heads-Areas 58-59 (1966), in his paper on the subtidal algae, the Area 58: Station 10 Quecnscliff, 12 Mar.
    [Show full text]
  • Full Text in Pdf Format
    MARINE ECOLOGY PROGRESS SERIES Vol. 148: 23-35,1997 Published March 20 Mar Ecol Prog Ser - -- Temporal and spatial variability in recruitment of a temperate, seagrass-associated fish is largely determined by physical processes in the pre- and post-settlement phases Gregory P. ~enkins',',Kerry P. lack', Melissa J. wheatley3,David N. Hatton1 'Marine and Freshwater Resources Institute and Department of Zoology, University of Melbourne, PO Box 138, Queenscliff, Victoria 3225. Australia 'National Institute for Water and Atmospheric Research Ltd, and Department of Earth Sciences, University of Waikato, PO Box 11-115, Hamilton, New Zealand 3~epartmentof Ecology and Evolutionary Biology, Monash University, Wellington Road, Clayton, Victoria 3168, Australia ABSTRACT: Post-settlement King George whiting Sillaginodes punctata were sampled every 3 to 4 d from mid-September to the end of October 1993, at 3 seagrass sites within Port Phillip Bay, Australia. The site closest to the entrance (St Leonards) showed short-lived pulses of recruits in low numbers. The site of intermediate distance into the bay (Grassy Point) showed a similar pattern; however, in this case there was a marked accumulation of recruits over time. In contrast, recruitment was low at the site furthest into the bay (Grand Scenlc), and the pattern was unlike the other sites. We simulated the transport of S punctata larvae into Port Phillip Bay over th~spenod using 2- and 3-dimensional hydrodynamic and dlspersal models. A hlgh proportion (two-thirds) of the variation in recruitment at St Leonards and Grassy Point could be explained by 2 factors. the predicted arrival of larvae based on passlve transport by currents, and disturbance of individual seagrass sites by wave action.
    [Show full text]