DOCSLIB.ORG

Spatial and Temporal Reassessment of By-Catch in the Spencer Gulf Prawn Fishery

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Spatial and Temporal Reassessment of By-Catch in the Spencer Gulf Prawn Fishery Spatial and temporal reassessment of by-catch in the Spencer Gulf Prawn Fishery Burnell, O.W., Barrett, S.L., Hooper, G.E., Beckmann, C.L., Sorokin, S.J. and Noell, C.J. SARDI Publication No. F2015/000414-1 SARDI Research Report Series No. 860 SARDI Aquatics Sciences PO Box 120 Henley Beach SA 5022 September 2015 Report to PIRSA Fisheries and Aquaculture Burnell, O.W. et al. (2015) Spatial and temporal reassessment of by-catch in the SGPF Spatial and temporal reassessment of by-catch in the Spencer Gulf Prawn Fishery Report to PIRSA Fisheries and Aquaculture Burnell, O.W., Barrett, S.L., Hooper, G.E., Beckmann, C.L., Sorokin, S.J. and Noell, C.J. SARDI Publication No. F2015/000414-1 SARDI Research Report Series No. 860 September 2015 II Burnell, O.W. et al. (2015) Spatial and temporal reassessment of by-catch in the SGPF This publication may be cited as: Burnell, O. W., Barrett, S. L., Hooper, G. E., Beckmann, C. L., Sorokin, S. J. and Noell, C. J. (2015). Spatial and temporal reassessment of by-catch in the Spencer Gulf Prawn Fishery. Report to PIRSA Fisheries and Aquaculture. South Australian Research and Development Institute (Aquatic Sciences), Adelaide. SARDI Publication No. F2015/000414-1. SARDI Research Report Series No. 860. 128pp. 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. SARDI does not accept any liability for the contents of this report or for any consequences arising from its use or any reliance placed upon it. The SARDI Report Series is an Administrative Report Series which has not been reviewed outside the department and is not considered peer-reviewed literature. Material presented in these Administrative Reports may later be published in formal peer-reviewed scientific literature. © 2015 SARDI This work is copyright. Apart from any use as permitted under the Copyright Act 1968 (Cth), no part may be reproduced by any process, electronic or otherwise, without the specific written permission of the copyright owner. Neither may information be stored electronically in any form whatsoever without such permission. Printed in Adelaide: September 2015 SARDI Publication No. F2015/000414-1 SARDI Research Report Series No. 860 Author(s): Burnell, O. W., Barrett, S. L., Hooper, G. E., Beckmann, C. L., Sorokin, S. J. and Noell, C. J. Reviewer(s): Ferguson, G, Steer, M (SARDI) and Milic, B. (PIRSA) Approved by: Dr. Stephen Mayfield Science Leader - Fisheries Signed: Date: 3 September 2015 Distribution: PIRSA Fisheries & Aquaculture, SAASC Library, University of Adelaide Library, Parliamentary Library, State Library and National Library Circulation: Public Domain III Burnell, O.W. et al. (2015) Spatial and temporal reassessment of by-catch in the SGPF TABLE OF CONTENTS ACKNOWLEDGEMENTS ......................................................................................................... IX EXECUTIVE SUMMARY ........................................................................................................... 1 1. INTRODUCTION ................................................................................................................ 3 1.1. Background.................................................................................................................. 3 1.2. Impacts of trawling ....................................................................................................... 5 1.3. Spencer Gulf Prawn Fishery ........................................................................................ 6 1.4. By-catch research ........................................................................................................ 7 1.5. Objectives .................................................................................................................... 9 2. METHODS .........................................................................................................................11 2.1. Available data .............................................................................................................11 2.2. Catch sampling ...........................................................................................................11 2.3. Laboratory processing ................................................................................................12 2.4. Quality assurance .......................................................................................................13 2.5. Data standardisation ...................................................................................................13 2.6. Environmental parameters ..........................................................................................14 2.7. Trawling history ...........................................................................................................14 2.8. Data analysis ..............................................................................................................14 3. RESULTS ..........................................................................................................................18 3.1. Environmental parameters ..........................................................................................18 3.2. Trawling history ...........................................................................................................18 3.3. Species composition and spatial distribution ...............................................................21 3.4. Relationship with trawl effort history and environmental parameters ...........................21 3.5. Threatened, endangered and protected species .........................................................46 3.6. Species of interest ......................................................................................................49 4. DISCUSSION ....................................................................................................................50 4.1. Species composition and spatial distribution ...............................................................50 4.2. Relationships with trawl effort history and environmental parameters .........................51 4.3. Threatened, Endangered and Protected Species ........................................................56 4.4. Species of interest ......................................................................................................58 4.5. Future monitoring and research ..................................................................................58 4.6. Implications for fisheries management ........................................................................59 5. CONCLUSION ...................................................................................................................61 REFERENCES .........................................................................................................................62 APPENDICES ...........................................................................................................................69 A.1. Appendix 1 .....................................................................................................................69 A.2. Appendix 2 .....................................................................................................................74 A.3. Appendix 3 .....................................................................................................................75 A.4. Appendix 4 .....................................................................................................................77 A.5. Appendix 5 .....................................................................................................................81 IV Burnell, O.W. et al. (2015) Spatial and temporal reassessment of by-catch in the SGPF LIST OF FIGURES Figure 1. Data for 1972/73 are from January to September 1973. From 1973/74 data are from October to September each year (season). .................................................................10 Figure 2. Double-rigged demersal otter trawl and location of hopper system used for sorting prawns in the Spencer Gulf Prawn Fishery. Figure reproduced from Carrick (2003). ...10 Figure 3. Above - Bathymetric map of the Spencer Gulf showing the locations (small filled circles) of trawl sites sampled in February 2013 (n = 65) and 2007 (n = 120). Below - Map of Spencer Gulf showing classification of trawl sites by Region and Side in 2013 (n = 65) and 2007 (n = 120). TOG = top of Gulf. ..............................................................17 Figure 4. Map of mean (5-year average) prawn trawling effort (hours fished / km2) reported for 125 fishing bocks in Spencer Gulf between 1988 and 2012. .......................................20 Figure 5. Bubble plots of species richness, abundance and biomass at all trawl sites surveyed in the Spencer Gulf during February 2013 (n = 65) and 2007 (n = 120). Values are overlayed on a map of mean prawn trawling effort (hours fished / km2) for each fishing block during the 5-year period associated with
Load more

Recommended publications
  • Pacific Plate Biogeography, with Special Reference to Shorefishes
    Pacific Plate Biogeography, with Special Reference to Shorefishes VICTOR G. SPRINGER m SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY • NUMBER 367 SERIES PUBLICATIONS OF THE SMITHSONIAN INSTITUTION Emphasis upon publication as a means of "diffusing knowledge" was expressed by the first Secretary of the Smithsonian. In his formal plan for the Institution, Joseph Henry outlined a program that included the following statement: "It is proposed to publish a series of reports, giving an account of the new discoveries in science, and of the changes made from year to year in all branches of knowledge." This theme of basic research has been adhered to through the years by thousands of titles issued in series publications under the Smithsonian imprint, commencing with Smithsonian Contributions to Knowledge in 1848 and continuing with the following active series: Smithsonian Contributions to Anthropology Smithsonian Contributions to Astrophysics Smithsonian Contributions to Botany Smithsonian Contributions to the Earth Sciences Smithsonian Contributions to the Marine Sciences Smithsonian Contributions to Paleobiology Smithsonian Contributions to Zoo/ogy Smithsonian Studies in Air and Space Smithsonian Studies in History and Technology In these series, the Institution publishes small papers and full-scale monographs that report the research and collections of its various museums and bureaux or of professional colleagues in the world cf science and scholarship. The publications are distributed by mailing lists to libraries, universities, and similar institutions throughout the world. Papers or monographs submitted for series publication are received by the Smithsonian Institution Press, subject to its own review for format and style, only through departments of the various Smithsonian museums or bureaux, where the manuscripts are given substantive review.
    [Show full text]
  • Age, Growth and Demographic Structures of Thorny Flathead Rogadius Asper , Cuvier, 1829 (Pieces: Platycephalidae) from the Coastal Waters of the Suez Gulf
    American Journal of Life Sciences 2015; 3(6-1): 1-6 Published online August 31, 2015 (http://www.sciencepublishinggroup.com/j/ajls) doi: 10.11648/j.ajls.s.2015030601.11 ISSN: 2328-5702 (Print); ISSN: 2328-5737 (Online) Age, Growth and Demographic Structures of Thorny Flathead Rogadius asper , Cuvier, 1829 (Pieces: Platycephalidae) from the Coastal Waters of the Suez Gulf Manal Sabrah, Amal Amin, Aly El Sayed Fisheries Department - Fisheries Biology Lab. National Institute of Oceanography and Fisheries, Niof, Egypt Email address: [email protected] (M. Sabrah), [email protected] (A. Amin), [email protected] (A. E. sayed) To cite this article: Manal Sabrah, Amal Amin, Aly El Sayed. Age, Growth and Demographic Structures of Thorny Flathead Rogadius asper, Cuvier, 1829 (Pieces: Platycephalidae) from the Coastal Waters of the Suez Gulf. American Journal of Life Sciences . Special Issue: New Horizons in Basic and Applied Zoological Research. Vol. 3, No. 6-1, 2015, pp. 1-6. doi: 10.11648/j.ajls.s.2015030601.11 Abstract: The age and growth of the Olive tail Rogadius asper exploited by the demersal trawl fishery in the Gulf of Suez were investigated during the fishing season 2014/2015. Ageing was done by sagittal otoliths for a sample of 675 ranged from 9.2 to 25.9 cm in total length (TL) with mean of 17.4±2.95 cm. The sex ratio was skewed in favors of females (1.6:1), which tended to high in number and bigger in size than males. The maximum investigated age of females was 4 years and that of males was 3 years.
    [Show full text]
  • Order BERYCIFORMES ANOPLOGASTRIDAE Anoplogaster
    click for previous page 2210 Bony Fishes Order BERYCIFORMES ANOPLOGASTRIDAE Fangtooths by J.R. Paxton iagnostic characters: Small (to 16 cm) Dberyciform fishes, body short, deep, and compressed. Head large, steep; deep mu- cous cavities on top of head separated by serrated crests; very large temporal and pre- opercular spines and smaller orbital (frontal) spine in juveniles of one species, all disap- pearing with age. Eyes smaller than snout length in adults (but larger than snout length in juveniles). Mouth very large, jaws extending far behind eye in adults; one supramaxilla. Teeth as large fangs in pre- maxilla and dentary; vomer and palatine toothless. Gill rakers as gill teeth in adults (elongate, lath-like in juveniles). No fin spines; dorsal fin long based, roughly in middle of body, with 16 to 20 rays; anal fin short-based, far posterior, with 7 to 9 rays; pelvic fin abdominal in juveniles, becoming subthoracic with age, with 7 rays; pectoral fin with 13 to 16 rays. Scales small, non-overlap- ping, spinose, cup-shaped in adults; lateral line an open groove partly covered by scales. No light organs. Total vertebrae 25 to 28. Colour: brown-black in adults. Habitat, biology, and fisheries: Meso- and bathypelagic. Distinctive caulolepis juvenile stage, with greatly enlarged head spines in one species. Feeding mode as carnivores on crustaceans as juveniles and on fishes as adults. Rare deepsea fishes of no commercial importance. Remarks: One genus with 2 species throughout the world ocean in tropical and temperate latitudes. The family was revised by Kotlyar (1986). Similar families occurring in the area Diretmidae: No fangs, jaw teeth small, in bands; anal fin with 18 to 24 rays.
    [Show full text]
  • East Gippsland, Victoria
    Biodiversity Summary for NRM Regions Species List What is the summary for and where does it come from? This list has been produced by the Department of Sustainability, Environment, Water, Population and Communities (SEWPC) for the Natural Resource Management Spatial Information System. The list was produced using the AustralianAustralian Natural Natural Heritage Heritage Assessment Assessment Tool Tool (ANHAT), which analyses data from a range of plant and animal surveys and collections from across Australia to automatically generate a report for each NRM region. Data sources (Appendix 2) include national and state herbaria, museums, state governments, CSIRO, Birds Australia and a range of surveys conducted by or for DEWHA. For each family of plant and animal covered by ANHAT (Appendix 1), this document gives the number of species in the country and how many of them are found in the region. It also identifies species listed as Vulnerable, Critically Endangered, Endangered or Conservation Dependent under the EPBC Act. A biodiversity summary for this region is also available. For more information please see: www.environment.gov.au/heritage/anhat/index.html Limitations • ANHAT currently contains information on the distribution of over 30,000 Australian taxa. This includes all mammals, birds, reptiles, frogs and fish, 137 families of vascular plants (over 15,000 species) and a range of invertebrate groups. Groups notnot yet yet covered covered in inANHAT ANHAT are notnot included included in in the the list. list. • The data used come from authoritative sources, but they are not perfect. All species names have been confirmed as valid species names, but it is not possible to confirm all species locations.
    [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]
  • Fish, Crustaceans, Molluscs, Etc Capture Production by Species
    478 Fish, crustaceans, molluscs, etc Capture production by species items Pacific, Southwest C-81 Poissons, crustacés, mollusques, etc Captures par catégories d'espèces Pacifique, sud-ouest (a) Peces, crustáceos, moluscos, etc Capturas por categorías de especies Pacífico, sudoccidental English name Scientific name Species group Nom anglais Nom scientifique Groupe d'espèces 2000 2001 2002 2003 2004 2005 2006 Nombre inglés Nombre científico Grupo de especies t t t t t t t Short-finned eel Anguilla australis 22 37 38 28 27 13 10 5 River eels nei Anguilla spp 22 380 313 337 267 209 277 210 Chinook(=Spring=King)salmon Oncorhynchus tshawytscha 23 1 1 0 4 1 2 1 Sand flounders Rhombosolea spp 31 ... 37 204 193 187 437 514 Tonguefishes Cynoglossidae 31 - - 3 - - - - Flatfishes nei Pleuronectiformes 31 2 954 3 234 2 818 3 308 2 980 3 766 3 050 Common mora Mora moro 32 1 358 1 211 1 308 1 234 1 403 1 154 986 Red codling Pseudophycis bachus 32 5 364 4 526 4 443 8 265 9 540 8 165 5 854 Grenadier cod Tripterophycis gilchristi 32 - 2 7 10 13 13 43 Southern blue whiting Micromesistius australis 32 43 419 49 982 72 203 43 812 26 576 30 304 32 735 Southern hake Merluccius australis 32 16 041 15 188 13 834 22 623 19 344 12 560 12 858 Blue grenadier Macruronus novaezelandiae 32 274 625 247 841 215 302 209 414 147 032 134 145 119 329 Thorntooth grenadier Lepidorhynchus denticulatus 32 3 833 4 783 5 349 5 304 6 341 3 855 4 056 Grenadiers, rattails nei Macrouridae 32 2 394 3 094 3 877 4 253 3 732 2 660 2 848 Gadiformes nei Gadiformes 32 2 853 5 479 3 252 3 281 298 1 217 47 Sea catfishes nei Ariidae 33 ..
    [Show full text]
  • Checklist of Marine Demersal Fishes Captured by the Pair Trawl Fisheries in Southern (RJ-SC) Brazil
    Biota Neotropica 19(1): e20170432, 2019 www.scielo.br/bn ISSN 1676-0611 (online edition) Inventory Checklist of marine demersal fishes captured by the pair trawl fisheries in Southern (RJ-SC) Brazil Matheus Marcos Rotundo1,2,3,4 , Evandro Severino-Rodrigues2, Walter Barrella4,5, Miguel Petrere Jun- ior3 & Milena Ramires4,5 1Universidade Santa Cecilia, Acervo Zoológico, R. Oswaldo Cruz, 266, CEP11045-907, Santos, SP, Brasil 2Instituto de Pesca, Programa de Pós-graduação em Aquicultura e Pesca, Santos, SP, Brasil 3Universidade Federal de São Carlos, Programa de Pós-Graduação em Planejamento e Uso de Recursos Renováveis, Rodovia João Leme dos Santos, Km 110, CEP 18052-780, Sorocaba, SP, Brasil 4Universidade Santa Cecília, Programa de Pós-Graduação de Auditoria Ambiental, R. Oswaldo Cruz, 266, CEP11045-907, Santos, SP, Brasil 5Universidade Santa Cecília, Programa de Pós-Graduação em Sustentabilidade de Ecossistemas Costeiros e Marinhos, R. Oswaldo Cruz, 266, CEP11045-907, Santos, SP, Brasil *Corresponding author: Matheus Marcos Rotundo: [email protected] ROTUNDO, M.M., SEVERINO-RODRIGUES, E., BARRELLA, W., PETRERE JUNIOR, M., RAMIRES, M. Checklist of marine demersal fishes captured by the pair trawl fisheries in Southern (RJ-SC) Brazil. Biota Neotropica. 19(1): e20170432. http://dx.doi.org/10.1590/1676-0611-BN-2017-0432 Abstract: Demersal fishery resources are abundant on continental shelves, on the tropical and subtropical coasts, making up a significant part of the marine environment. Marine demersal fishery resources are captured by various fishing methods, often unsustainably, which has led to the depletion of their stocks. In order to inventory the marine demersal ichthyofauna on the Southern Brazilian coast, as well as their conservation status and distribution, this study analyzed the composition and frequency of occurrence of fish captured by pair trawling in 117 fishery fleet landings based in the State of São Paulo between 2005 and 2012.
    [Show full text]
  • Endoparazitická Monogenea (Platyhelminthes): Druhová Diverzita a Spektrum Hostitelů
    MASARYKOVA UNIVERZITA PŘÍRODOVĚDECKÁ FAKULTA ÚSTAV BOTANIKY A ZOOLOGIE ENDOPARAZITICKÁ MONOGENEA (PLATYHELMINTHES): DRUHOVÁ DIVERZITA A SPEKTRUM HOSTITELŮ Bakalářská práce Jitka Fojtů Vedoucí práce: Mgr. Eva Řehulková, Ph.D. Brno 2016 Bibliografický záznam Autor Jitka Fojtů Přírodovědecká fakulta, Masarykova univerzita Ústav botaniky a zoologie Název práce: Endoparasitická monogenea (Platyhelminthes): druhová diverzita a spektrum hostitelů Studijní program Ekologická a evoluční biologie Studijní obor: Ekologická a evoluční biologie Vedoucí práce: Mgr. Eva Řehulková, Ph.D. Akademický rok: 2015/2016 Počet stran: 146 Klíčová slova: Monogenea; Amphibdellatidae; Anoplodiscidae; Capsalidae; Chimaericolidae; Dactylogyridae; Diclidophoridae; Gyrodactylidae; Hexabothriidae; Iagotrematidae; Lagarocotylidae; Microbothriidae; Monocotylidae; Montchadskyellidae; Polystomatidae; Urogyridae; Amphibia; Polystoma; močový měchýř; nosní dutiny; močovody; check list; adaptace; endoparazitismus Bibliographic Entry Author Jitka Fojtů Faculty of Science, Masaryk University Department of Botany and Zoology Title of Thesis: Endoparasitic Monogenea (Platyhelminthes): Species diversity and host spectrum Degree programme: Ekological and Evolutionary Biology Field of Study: Ekological and Evolutionary Biology Supervisor: Mgr. Eva Řehulková, Ph.D. Academic Year: 2015/2016 Number of Pages: 146 Keywords: Monogenea; Amphibdellatidae; Anoplodiscidae; Capsalidae; Dactylogyridae; Diclidophoridae; Gyrodactylidae; Hexabothriidae; Iagotrematidae; Lagarocotylidae; Microbothriidae;
    [Show full text]
  • Download Full Article 1.0MB .Pdf File
    Memoirs of the Museum of Victoria 57( I): 143-165 ( 1998) 1 May 1998 https://doi.org/10.24199/j.mmv.1998.57.08 FISHES OF WILSONS PROMONTORY AND CORNER INLET, VICTORIA: COMPOSITION AND BIOGEOGRAPHIC AFFINITIES M. L. TURNER' AND M. D. NORMAN2 'Great Barrier Reef Marine Park Authority, PO Box 1379,Townsville, Qld 4810, Australia ([email protected]) 1Department of Zoology, University of Melbourne, Parkville, Vic. 3052, Australia (corresponding author: [email protected]) Abstract Turner, M.L. and Norman, M.D., 1998. Fishes of Wilsons Promontory and Comer Inlet. Victoria: composition and biogeographic affinities. Memoirs of the Museum of Victoria 57: 143-165. A diving survey of shallow-water marine fishes, primarily benthic reef fishes, was under­ taken around Wilsons Promontory and in Comer Inlet in 1987 and 1988. Shallow subtidal reefs in these regions are dominated by labrids, particularly Bluethroat Wrasse (Notolabrus tet­ ricus) and Saddled Wrasse (Notolabrus fucicola), the odacid Herring Cale (Odax cyanomelas), the serranid Barber Perch (Caesioperca rasor) and two scorpidid species, Sea Sweep (Scorpis aequipinnis) and Silver Sweep (Scorpis lineolata). Distributions and relative abundances (qualitative) are presented for 76 species at 26 sites in the region. The findings of this survey were supplemented with data from other surveys and sources to generate a checklist for fishes in the coastal waters of Wilsons Promontory and Comer Inlet. 23 I fishspecies of 92 families were identified to species level. An additional four species were only identified to higher taxonomic levels. These fishes were recorded from a range of habitat types, from freshwater streams to marine habitats (to 50 m deep).
    [Show full text]
  • Spatial and Temporal Variability in the Effects of Fish Predation on Macrofauna in Relation to Habitat Complexity and Cage Effects
    MARINE ECOLOGY PROGRESS SERIES Vol. 224: 231–250, 2001 Published December 19 Mar Ecol Prog Ser Spatial and temporal variability in the effects of fish predation on macrofauna in relation to habitat complexity and cage effects Jeremy S. Hindell1, 2,*, Gregory P. Jenkins3, Michael J. Keough1 1Department of Zoology, University of Melbourne, Parkville, Victoria 3010, Australia 2Queenscliff Marine Station, PO Box 138, Queenscliff, Victoria 3225, Australia 3Marine and Freshwater Research Institute, Weeroona Parade, Queenscliff, Victoria 3225, Australia ABSTRACT: The effects of predation by fishes, in relation to habitat complexity and periodicity of sampling, on abundances of fishes and macroinvertebrates were investigated using controlled caging experiments during summer 1999/2000 at multiple locations (Blairgowrie, Grand Scenic, and Kilgour) in Port Phillip Bay, Australia. A second experiment evaluated biological and physical cage effects. Sites and habitats, but not caging treatments, could generally be differentiated by the assem- blage structure of fishes. Regardless of species, small fishes were generally more abundant in seagrass than unvegetated sand, although the nature of this pattern was site- and time-specific. Depending on the site, abundances of fishes varied between cage treatments in ways that were con- sistent with neither cage nor predation effects (Grand Scenic), strong cage effects (Kilgour) or strong predation or cage effects (Blairgowrie). The abundance of syngnathids varied inconsistently between caging treatments and habitats within sites through time. Although they were generally more abun- dant in seagrass, whether or not predation or cage effects were observed depended strongly on the time of sampling. Atherinids and clupeids generally occurred more commonly over seagrass. In this habitat, atherinids varied between cage treatments in a manner consistent with strong cage effects, while clupeids varied amongst predator treatments in a way that could be explained either by cage or predation effects.
    [Show full text]
  • Coulson, P.G., Hall, N.G. and Potter, I.C
    RESEARCH REPOSITORY This is the author’s final version of the work, as accepted for publication following peer review but without the publisher’s layout or pagination. The definitive version is available at: http://dx.doi.org/10.1016/j.ecss.2017.03.028 Coulson, P.G., Hall, N.G. and Potter, I.C. (2017) Variations in biological characteristics of temperate gonochoristic species of Platycephalidae and their implications: A review. Estuarine, Coastal and Shelf Science, 190. pp. 50-68. http://researchrepository.murdoch.edu.au/id/eprint/36343/ Copyright: © 2017 Elsevier Ltd It is posted here for your personal use. No further distribution is permitted. Accepted Manuscript Variations in biological characteristics of temperate gonochoristic species of Platycephalidae and their implications: A review Peter G. Coulson, Norman G. Hall, Ian C. Potter PII: S0272-7714(16)30774-0 DOI: 10.1016/j.ecss.2017.03.028 Reference: YECSS 5435 To appear in: Estuarine, Coastal and Shelf Science Received Date: 23 December 2016 Accepted Date: 4 March 2017 Please cite this article as: Coulson, P.G., Hall, N.G., Potter, I.C., Variations in biological characteristics of temperate gonochoristic species of Platycephalidae and their implications: A review, Estuarine, Coastal and Shelf Science (2017), doi: 10.1016/j.ecss.2017.03.028. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.
    [Show full text]
  • APORTACION5.Pdf
    Ⓒ del autor: Domingo Lloris Ⓒ mayo 2007, Generalitat de Catalunya Departament d'Agricultura, Alimentació i Acció Rural, per aquesta primera edició Diseño y producción: Dsignum, estudi gràfic, s.l. Coordinación: Lourdes Porta ISBN: Depósito legal: B-16457-2007 Foto página anterior: Reconstrucción de las mandíbulas de un Megalodonte (Carcharocles megalodon) GLOSARIO ILUSTRADO DE ICTIOLOGÍA PARA EL MUNDO HISPANOHABLANTE Acuariología, Acuarismo, Acuicultura, Anatomía, Autoecología, Biocenología, Biodiver- sidad, Biogeografía, Biología, Biología evolutiva, Biología conservativa, Biología mole- cular, Biología pesquera, Biometría, Biotecnología, Botánica marina, Caza submarina, Clasificación, Climatología, Comercialización, Coro logía, Cromatismo, Ecología, Ecolo- gía trófica, Embriología, Endocri nología, Epizootiología, Estadística, Fenología, Filoge- nia, Física, Fisiología, Genética, Genómica, Geografía, Geología, Gestión ambiental, Hematología, Histolo gía, Ictiología, Ictionimia, Merística, Meteorología, Morfología, Navegación, Nomen clatura, Oceanografía, Organología, Paleontología, Patología, Pesca comercial, Pesca recreativa, Piscicultura, Química, Reproducción, Siste mática, Taxono- mía, Técnicas pesqueras, Teoría del muestreo, Trofismo, Zooar queología, Zoología. D. Lloris Doctor en Ciencias Biológicas Ictiólogo del Instituto de Ciencias del Mar (CSIC) Barcelona PRÓLOGO En mi ya lejana época universitaria se estudiaba mediante apuntes recogidos en las aulas y, más tarde, según el interés transmitido por el profesor y la avidez de conocimiento del alumno, se ampliaban con extractos procedentes de diversos libros de consulta. Así descubrí que, mientras en algunas disciplinas resultaba fácil encontrar obras en una lengua autóctona o traducida, en otras brillaban por su ausen- cia. He de admitir que el hecho me impresionó, pues ponía al descubierto toda una serie de oscuras caren- cias que marcaron un propósito a seguir en la disciplina que me ha ocupado durante treinta años: la ictiología.
    [Show full text]