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Bioenergetics and Growth of White Steenbras, Lithognathus Lithognathus, Under Culture Conditions
BIOENERGETICS AND GROWTH OF WHITE STEENBRAS, LITHOGNATHUS LITHOGNATHUS, UNDER CULTURE CONDITIONS. SHAEL ANNE HARRIS ,. ,..' University of Cape Town The copyright of this thesis vests in the author. No quotation from it or information derived from it is to be published without full acknowledgement of the source. The thesis is to be used for private study or non- commercial research purposes only. Published by the University of Cape Town (UCT) in terms of the non-exclusive license granted to UCT by the author. University of Cape Town \ BIOENERGETICS AND GROWTH OF WHITE STEENBRAS, LITHOGNATHUS LITHOGNATHUS, UNDER CULTURE CONDITIONS. BY SHAEL ANNE HARRIS Submitted as a requirement for the fulfilment of the degree of Master of Science. University of Cape Town South Africa February 1991 The University of Cape Town has been given the right to reproduce this thesis in whole or in part. Copyright is held by the author. ACKNOWLEDGEMENTS The Foundation for Research and Development of the CSIR is gratefully acknowledged and thanked for the funding provided for this work. Many people have contributed to the successful completion of this thesis and special thanks go to the following: To the enthusiastic helpers in the collection of the experi~ental fish, and to the Sea Fisheries Sea Point Section for the use of their facilities, where the experimental work was undertaken; Carl Van Der Lingden and the Sea Fisheries technical staff for help and advice on the practical side of the experiments. The Zoology Department (UCT) technical staff, in particular Ian Davidson for technical advice and help in the design of experimental equipment; Geoff Hoy and Carlos Villacostin-Herroro for the inevitable computer problems which arose; Barbara Cook, Colin Attwood, Dr. -
Jubilee Field Draft EIA Chapter 4 6 Aug 09.Pdf
4 ENVIRONMENTAL AND SOCIO-ECONOMIC BASELINE 4.1 INTRODUCTION This chapter provides a description of the current environmental and socio- economic situation against which the potential impacts of the Jubilee Field Phase 1 development can be assessed and future changes monitored. The chapter presents an overview of the aspects of the environment relating to the surrounding area in which the Jubilee Field Phase 1 development will take place and which may be directly or indirectly affected by the proposed project. This includes the Jubilee Unit Area, the Ghana marine environment at a wider scale and the six districts of the Western Region bordering the marine environment. The Jubilee Unit Area and its regional setting are shown in Figure 4.1. The project area is approximately 132 km west-southwest of the city of Takoradi, 60 km from the nearest shoreline of Ghana, and 75 km from the nearest shoreline of Côte d’Ivoire. Figure 4.1 Project Location and Regional Setting ENVIRONMENTAL RESOURCES MANAGEMENT TULLOW GHANA LIMITED 4-1 The baseline description draws on a number of primary and secondary data sources. Primary data sources include recent hydrographic studies undertaken as part of the exploration well drilling programme in the Jubilee field area, as well as an Environmental Baseline Survey (EBS) which was commissioned by Tullow and undertaken by TDI Brooks (2008). An electronic copy of the EBS is attached to this EIS. It is noted that information on the offshore distribution and ecology of marine mammals, turtles and offshore pelagic fish is more limited due to limited historic research in offshore areas. -
Monthly Highlights
Monthly Highlights No. 2 / 2021 In this issue As of 2021, the Monthly Highlights include Bulgaria among surveyed countries. According to data collected by EUMOFA from 13 EU Member States, in November 2020 striped venus and whelk together accounted for 12% of the total Contents first-sales value of the “Bivalves and other molluscs and aquatic invertebrates” commodity group. First sales in Europe Striped venus (Italy, Spain) and whelk From 2018 to 2020, the price of live, fresh, or chilled (Belgium, France, Netherlands) mussels imported in the EU from Norway fluctuated from 2,04 to 7,09 EUR/kg. In 2020, both price and Extra-EU imports volume exhibited a downward trend. Weekly average EU import prices of selected products from Over the last four years, German consumers spent selected countries of origin the most for a kilogram of fresh cod, (18,00 EUR/kg on average) compared to France Consumption Fresh cod in Germany, France, and the (16,80 EUR/kg) and the Netherlands (16,30 EUR/kg). Netherlands In 2019, the EU imports of fisheries and aquaculture products from South Africa accounted for over EUR Case studies 295 million and 80.597 tonnes. Hake, squid, and Fisheries and aquaculture in South Africa fishmeal constitute the bulk share of EU imports. Horse mackerel in the EU The largest market for horse mackerel exported by the EU is Egypt. In 2019, exports to the country Global highlights reached 54.000 tonnes, worth EUR 51 million, accounting for 50% of total export volume Macroeconomic context and 47% of value. Marine fuel, consumer prices, and In January 2021, the EU and Greenland concluded exchange rates negotiations for a new four-year Sustainable Fisheries Partnership Agreement (SFPA), which is the third most important agreement in place for the EU in financial terms. -
TNP SOK 2011 Internet
GARDEN ROUTE NATIONAL PARK : THE TSITSIKAMMA SANP ARKS SECTION STATE OF KNOWLEDGE Contributors: N. Hanekom 1, R.M. Randall 1, D. Bower, A. Riley 2 and N. Kruger 1 1 SANParks Scientific Services, Garden Route (Rondevlei Office), PO Box 176, Sedgefield, 6573 2 Knysna National Lakes Area, P.O. Box 314, Knysna, 6570 Most recent update: 10 May 2012 Disclaimer This report has been produced by SANParks to summarise information available on a specific conservation area. Production of the report, in either hard copy or electronic format, does not signify that: the referenced information necessarily reflect the views and policies of SANParks; the referenced information is either correct or accurate; SANParks retains copies of the referenced documents; SANParks will provide second parties with copies of the referenced documents. This standpoint has the premise that (i) reproduction of copywrited material is illegal, (ii) copying of unpublished reports and data produced by an external scientist without the author’s permission is unethical, and (iii) dissemination of unreviewed data or draft documentation is potentially misleading and hence illogical. This report should be cited as: Hanekom N., Randall R.M., Bower, D., Riley, A. & Kruger, N. 2012. Garden Route National Park: The Tsitsikamma Section – State of Knowledge. South African National Parks. TABLE OF CONTENTS 1. INTRODUCTION ...............................................................................................................2 2. ACCOUNT OF AREA........................................................................................................2 -
A Preliminary Global Assessment of the Status of Exploited Marine Fish and Invertebrate Populations
A PRELIMINARY GLOBAL ASSESSMENT OF THE STATUS OF EXPLOITED MARINE FISH AND INVERTEBRATE POPULATIONS June 30 2018 A PRELIMINARY GLOBAL ASSESSMENT OF THE STATUS OF EXPLOITED MARINE FISH AND INVERTEBRATE POPULATIONS Maria. L.D. Palomares, Rainer Froese, Brittany Derrick, Simon-Luc Nöel, Gordon Tsui Jessika Woroniak Daniel Pauly A report prepared by the Sea Around Us for OCEANA June 30, 2018 A PRELIMINARY GLOBAL ASSESSMENT OF THE STATUS OF EXPLOITED MARINE FISH AND INVERTEBRATE POPULATIONS Maria L.D. Palomares1, Rainer Froese2, Brittany Derrick1, Simon-Luc Nöel1, Gordon Tsui1, Jessika Woroniak1 and Daniel Pauly1 CITE AS: Palomares MLD, Froese R, Derrick B, Nöel S-L, Tsui G, Woroniak J, Pauly D (2018) A preliminary global assessment of the status of exploited marine fish and invertebrate populations. A report prepared by the Sea Around Us for OCEANA. The University of British Columbia, Vancouver, p. 64. 1 Sea Around Us, Institute for the Oceans and Fisheries, University of British Columbia, 2202 Main Mall, Vancouver BC V6T1Z4 Canada 2 Helmholtz Centre for Ocean Research GEOMAR, Düsternbrooker Weg 20, 24105 Kiel, Germany TABLE OF CONTENTS Executive Summary 1 Introduction 2 Material and Methods 3 − Reconstructed catches vs official catches 3 − Marine Ecoregions vs EEZs 3 − The CMSY method 5 Results and Discussion 7 − Stock summaries reports 9 − Problematic stocks and sources of bias 14 − Stocks in the countries where OCEANA operates 22 − Stock assessments on the Sea Around Us website 31 − The next steps 32 Acknowledgements 33 References 34 Appendices I. List of marine ecoregions by EEZ 37 II. Summaries of number of stock by region and 49 by continent III. -
Fasanbi SHOWCASE
Threatened Species Monitoring PROGRAMME Threatened Species in South Africa: A review of the South African National Biodiversity Institutes’ Threatened Species Programme: 2004–2009 Acronyms ADU – Animal Demography Unit ARC – Agricultural Research Council BASH – Big Atlassing Summer Holiday BIRP – Birds in Reserves Project BMP – Biodiversity Management Plan BMP-S – Biodiversity Management Plans for Species CFR – Cape Floristic Region CITES – Convention on International Trade in Endangered Species CoCT – City of Cape Town CREW – Custodians of Rare and Endangered Wildflowers CWAC – Co-ordinated Waterbird Counts DEA – Department of Environmental Affairs DeJaVU – December January Atlassing Vacation Unlimited EIA – Environmental Impact Assessment EMI – Environmental Management Inspector GBIF – Global Biodiversity Information Facility GIS – Geographic Information Systems IAIA – International Association for Impact Assessment IAIAsa – International Association for Impact Assessment South Africa IUCN – International Union for Conservation of Nature LAMP – Long Autumn Migration Project LepSoc – Lepidopterists’ Society of Africa MCM – Marine and Coastal Management MOA – memorandum of agreement MOU – memorandum of understanding NBI – National Botanical Institute NEMA – National Environmental Management Act NEMBA – National Environmental Management Biodiversity Act NGO – non-governmental organization NORAD – Norwegian Agency for Development Co–operation QDGS – quarter-degree grid square SABAP – Southern African Bird Atlas Project SABCA – Southern African -
Teleostei: Sparidae)*
ECOLOGYt OSMOREGULATION AND REPRODUCTIVE BIOLOGY OF THE WHITE STEENBRAS t LITHOGNATHUS LITHOGNATHUS (TELEOSTEI: SPARIDAE)* JOHN A. P. MEHL Cape Provincial Department of Nature Conservation and Zoological Institute, University of Stellenbosch PUBLISHED FEBRUARY 1974 ABSTRACT Over a one-year period 437 steenbras, Lithog1Ulthus Iithog1Ulthus, ranging from 8-39 em fork length were sampled from the Heuningnes River Estuary. The length-weight relationship was linear and there was no fluctuation in the modal size range throughout the year. Steenbras up to the age of six years and over inhabited the estuary, adapting to large salinity fluctuations. Abundance of food items, mainly Crustacea and Annelida, and virtual absence of predators made the estuary an ideal nursery ground. Ectoparasitic infestation by leeches and copepods was moderately intense without causing any apparent deleterious effects. In a series of experiments designed to study osmoregulation in steenbras, it was found that haema tocrits from fish sampled after 48 hours in freshwater were significantly (p<O,01) higher than the seawater controls. Two of the five protein fractions, however, as well as total protein, chloride, sodium, potassium and osmolality were all significantly (p<O,Ol) decreased in freshwater. Steenbras were unable to survive more than one week in freshwater. Due to capture diuresis the plasma con stituents from a freshly captured sample were all significantly (p<O,Ol) higher when compared to steenbras acclimated for 48 hours in seawater. Gonads from the entire estuarine sample were all infantile, virtually impossible to sex and showed . ) no macroscopic signs of development. Histology of a representative sample showed them to be all 0 1 hermaphroditic, with mainly testicular-dominant ovotestes. -
Fao Working Group on the Assessment of Small Pelagic Fish Off Northwest Africa
FAO Fisheries Report No. 785 FAO, Rapport sur les pêches no 785 FIRM/R785 (Bi) ISSN 0429-9337 Report of the FAO WORKING GROUP ON THE ASSESSMENT OF SMALL PELAGIC FISH OFF NORTHWEST AFRICA Nouadhibou, Mauritania, 26 April–5 May 2005 Rapport du GROUPE DE TRAVAIL DE LA FAO SUR L’ÉVALUATION DES PETITS PÉLAGIQUES AU LARGE DE L’AFRIQUE NORD-OCCIDENTALE Nouadhibou, Mauritanie, 26 avril-5 mai 2005 Copies of FAO publications can be requested from: Sales and Marketing Group Information Division FAO Viale delle Terme di Caracalla 00153 Rome, Italy E-mail: [email protected] Fax: (+39) 06 57053360 Les commandes de publications de la FAO peuvent être adressées au: Groupe des ventes et de la commercialisation Division de l’information FAO Viale delle Terme di Caracalla 00153 Rome, Italie Courriel: [email protected] Télécopie: (+39) 06 57053360 FAO Fisheries Report No. 785 FAO, Rapport sur les pêches no 785 FIRM/R785 (Bi) Report of the FAO WORKING GROUP ON THE ASSESSMENT OF SMALL PELAGIC FISH OFF NORTHWEST AFRICA Nouadhibou, Mauritania, 26 April–5 May 2005 Rapport du GROUPE DE TRAVAIL DE LA FAO SUR L’ÉVALUATION DES PETITS PÉLAGIQUES AU LARGE DE L’AFRIQUE NORD-OCCIDENTALE Nouadhibou, Mauritanie, 26 avril-5 mai 2005 FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS ORGANISATION DES NATIONS UNIES POUR L’ALIMENTATION ET L’AGRICULTURE Rome, 2006 The designations employed and the presentation of material in this information product do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal or development status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. -
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 -
Miscellaneous Pelagic Fishes Capture Production by Species, Fishing Areas and Countries Or Areas B-37 Poissons Pélagiques Diver
254 Miscellaneous pelagic fishes Capture production by species, fishing areas and countries or areas B-37 Poissons pélagiques divers Captures par espèces, zones de pêche et pays ou zones Peces pelágicos diversos Capturas por especies, áreas de pesca y países o áreas Species, Fishing area Espèce, Zone de pêche 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Especie, Área de pesca t t t t t t t t t t Capelin Capelan Capelán Mallotus villosus 1,23(04)002,01 CAP 21 Canada 38 249 23 495 21 352 19 747 13 559 22 392 33 630 36 704 41 907 37 406 Greenland 21 34 22 3 83 42 289 24 24 F 24 F St Pier Mq - 2 0 1 4 21 0 2 - 9 Spain - - - - - - 10 - - - 21 Fishing area total 38 270 23 531 21 374 19 751 13 646 22 455 33 929 36 730 41 931 F 37 439 F 27 Denmark 40 349 3 837 20 807 17 588 23 165 14 352 - - - - Faroe Is 41 966 24 275 59 855 28 907 54 059 50 468 33 078 19 752 31 610 19 059 France - - 1 1 4 13 - 1 - 0 Germany 5 001 - - - 95 - - - - - Greenland 16 914 24 261 24 623 18 638 30 258 29 521 21 224 21 192 21 192 F 21 192 F Iceland 750 065 703 694 892 405 918 417 1 078 818 680 291 524 516 604 509 184 431 307 447 Ireland 1 - - - - - - - - - Norway 88 226 91 813 370 769 482 834 522 349 249 497 49 055 67 339 2 047 41 098 Russian Fed - 32 485 94 693 180 098 247 039 94 030 4 411 - 1 999 Sweden - - - - 7 570 1 350 - - - - UK 1 115 79 - - - - - - 0 0 27 Fishing area total 943 637 880 444 1 463 153 1 646 483 1 963 357 1 119 522 627 877 713 204 239 280 F 390 795 F 61 Russian Fed 405 70 291 1 468 3 882 1 994 1 753 1 971 2 164 3 041 61 Fishing area total 405 -
Nome Espécie Cod Lota Cod Fao Nome Científico Nome
COD COD NOME ESPÉCIE NOME CIENTÍFICO NOME FAMÍLIA OUTRAS DENOMINAÇÕES INGLÊS FRANCÊS ESPANHOL LOTA FAO Abalone 873 HLT Haliotis tuberculata Haliotidae Tuberculate abalone Ormeau tuberculeux Oreja marina tuberculosa Abrótea-branca 194 HKW Urophycis tenuis Gadidae Abrótea White hake Merluche blanche Locha blanca Abrótea-da-costa 190 FOR Phycis phycis Gadidae Abrótea Forkbeard Phycis de roche Brótola de roca Abrótea-do-alto 188 GFB Phycis blennoides Gadidae Abrótea, Juliana (RAA) Greater forkbeard Phycis de fond Brótola de fango Abróteas 186 FOX Phycis spp Gadidae Forkbeards nei Phycis nca Brótolas nep Abrótea-vermelha 192 HKR Urophycis chuss Gadidae Abrótea Red hake Merluche écureuil Locha roja Agar 980 OKQ Pterocladiella capillacea Gelidiaceae R A Açores Spanish agar Agar penne Agar plumoso Agulha 37 GAR Belone belone Belonidae Peixe-agulha, Agulhinha Garfish Orphie Aguja Agulhão 405 SAU Scomberesox saurus Scomberesocidae Atlantic saury Balaou atlantique Paparda del Atlántico Alabote da Gronelândia 354 GHL Reinhardtius hippoglossoides Pleuronectidae Greenland halibut Flétan noir Fletán negro Alabote do Atlântico 352 HAL Hippoglossus hippoglossus Pleuronectidae Alabote Atlantic halibut Flétan de l'Atlantique Fletán del Atlántico Alcarraz 23 OGT Apogon imberbis Apogonidae Alfonsinho, Alcaraz, Folião (RAA) Cardinal fish Coq Salmonete real Alosa-azul 83 BBH Alosa aestivalis Clupeidae Blueback shad Alose d'été du Canada Sábalo del Canadá Alosa-cinzenta 85 ALE Alosa pseudoharengus Clupeidae Alewife Gaspareau Pinchagua Alosas 80 SHZ Alosa spp -
ASFIS ISSCAAP Fish List February 2007 Sorted on Scientific Name
ASFIS ISSCAAP Fish List Sorted on Scientific Name February 2007 Scientific name English Name French name Spanish Name Code Abalistes stellaris (Bloch & Schneider 1801) Starry triggerfish AJS Abbottina rivularis (Basilewsky 1855) Chinese false gudgeon ABB Ablabys binotatus (Peters 1855) Redskinfish ABW Ablennes hians (Valenciennes 1846) Flat needlefish Orphie plate Agujón sable BAF Aborichthys elongatus Hora 1921 ABE Abralia andamanika Goodrich 1898 BLK Abralia veranyi (Rüppell 1844) Verany's enope squid Encornet de Verany Enoploluria de Verany BLJ Abraliopsis pfefferi (Verany 1837) Pfeffer's enope squid Encornet de Pfeffer Enoploluria de Pfeffer BJF Abramis brama (Linnaeus 1758) Freshwater bream Brème d'eau douce Brema común FBM Abramis spp Freshwater breams nei Brèmes d'eau douce nca Bremas nep FBR Abramites eques (Steindachner 1878) ABQ Abudefduf luridus (Cuvier 1830) Canary damsel AUU Abudefduf saxatilis (Linnaeus 1758) Sergeant-major ABU Abyssobrotula galatheae Nielsen 1977 OAG Abyssocottus elochini Taliev 1955 AEZ Abythites lepidogenys (Smith & Radcliffe 1913) AHD Acanella spp Branched bamboo coral KQL Acanthacaris caeca (A. Milne Edwards 1881) Atlantic deep-sea lobster Langoustine arganelle Cigala de fondo NTK Acanthacaris tenuimana Bate 1888 Prickly deep-sea lobster Langoustine spinuleuse Cigala raspa NHI Acanthalburnus microlepis (De Filippi 1861) Blackbrow bleak AHL Acanthaphritis barbata (Okamura & Kishida 1963) NHT Acantharchus pomotis (Baird 1855) Mud sunfish AKP Acanthaxius caespitosa (Squires 1979) Deepwater mud lobster Langouste