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Baseline Study of Metals in Selected Local Market Fishes and Invertebrates from the Western Huon Gulf, PNG
Baseline Study of Metals in Selected Local Market Fishes and Invertebrates from the Western Huon Gulf, PNG Final Report Prepared for Wafi-Golpu Joint Venture (WGJV) Neira Marine Sciences Consulting (Marscco) December 2020 Baseline Study of Metals in Selected Local Market Fishes and Invertebrates from the Western Huon Gulf, PNG Final Report Prepared for Wafi-Golpu Joint Venture (WGJV) by Neira Marine Sciences Consulting (Marscco) ABN 63 611 453 621 Francis J. Neira, PhD Blackmans Bay, Tasmania Australia [email protected] December 2020 CONTENTS LIST OF TABLES .................................................................................................................................... 4 LIST OF FIGURES .................................................................................................................................. 5 EXECUTIVE SUMMARY ........................................................................................................................ 7 Background.................................................................................................................................. 7 Objectives .................................................................................................................................... 8 Methodology ............................................................................................................................... 8 Key findings .............................................................................................................................. -
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. -
(Etp) Species Caught As Bycatch in Five Major South African Fisheries
MONITORING OF ENDANGERED, THREATENED AND PROTECTED (ETP) SPECIES CAUGHT AS BYCATCH IN FIVE MAJOR SOUTH AFRICAN FISHERIES Laura Weston and Colin Attwood Department of Biological Sciences University of Cape Town Private Bag X3 Rondebosch 7701 Prepared for The Responsible Fisheries Alliance December 2017 1 CONTENTS Executive Summary ................................................................................................................................. 4 1. Introduction .................................................................................................................................... 6 1.1 Project Background ................................................................................................................. 6 1.2 Background to the Fisheries ................................................................................................... 6 1.2.1 Offshore and Inshore Hake – the Demersal Trawl Fishery ............................................. 6 1.2.2 Hake Longline Fishery ..................................................................................................... 7 1.2.3 Horse Mackerel Midwater Trawl Fishery ........................................................................ 8 1.2.4 Tuna and Swordfish - the Pelagic Longline Fishery ......................................................... 9 1.3 The Issue of Bycatch .............................................................................................................. 10 1.4 The Definition of ETP Species............................................................................................... -
'False Cod' Epinephelus Aeneus in a Context of Ineffective Management
African Journal of Marine Science 2012, 34(3): 305–311 Copyright © NISC (Pty) Ltd Printed in South Africa — All rights reserved AFRICAN JOURNAL OF MARINE SCIENCE ISSN 1814-232X EISSN 1814-2338 http://dx.doi.org/ 10.2989/1814232X.2012.725278 Economic dimension of the collapse of the ‘false cod’ Epinephelus aeneus in a context of ineffective management of the small-scale fisheries in Senegal D Thiao 1*, C Chaboud 2, A Samba 3, F Laloë 4 and PM Cury 2 1 Centre de Recherches Océanographiques de Dakar-Thiaroye (CRODT), BP 2241, Dakar, Senegal 2 IRD, UMR EME 212 (Exploited Marine Ecosystems), Centre de Recherche Halieutique Méditerranéenne et Tropicale IRD – IFREMER and Université Montpellier II, Avenue Jean Monnet, BP 171, 34203 Sète Cedex, France 3 Institut Sénégalais de Recherches Agricoles, Cité ISRA n°103, BP 03, Dakar RP, Senegal 4 IRD, UMR GRED 220 (Gouvernance, Risque, Environnement Développement), IRD – UPV Montpellier III, 911 avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France * Corresponding author, e-mail: [email protected] Small-scale fisheries are often seen as a solution for ensuring sustainability in marine exploitation. They are viewed as a suitable alternative to industrial fisheries, particularly when considering their social and economic importance in developing countries. Here, we show that the booming small-scale fishery sector in Senegal, in the context of increasing foreign demand, has induced the collapse of one of the most emblematic West African marine fish species, a large grouper Epinephelus aeneus , historically called ‘false cod’ by European fishers. The overexploitation of this species appears to be on account of the increasing effort sustained by a growing international demand and important subsidies, which resulted in a relative stability of the average economic yield per fishing trip and an incentive for continuing targeting this species to almost extinction. -
Hairtail and Frostfish (Trichiuridae) Exploitation Status Undefined
I & I NSW WILD FISHERIES RESEARCH PROGRAM Hairtail and Frostfish (Trichiuridae) EXPLOITATION STATUS UNDEFINED No local biological information available for either species in this group, but growth and maturity have been studied for Trichiurus lepturus from the East China Sea, where it supports a major fishery. SCIENTIFIC NAME STANDARD NAME COMMENT Trichiurus lepturus largehead hairtail Lepidopus caudatus frostfish Trichiurus lepturus Image © Bernard Yau Background The hairtail is commonly around 100 cm in length and about 2 kg in weight but reaches a The largehead hairtail (Trichiurus lepturus) maximum length of about 220 cm and weight belongs to the family Trichiuridae which, of 3.5 kg. worldwide, includes nine genera and about 30 species generally referred to as cutlassfishes or Overseas studies have observed that adults scabbardfishes. Off NSW, at least four species feed at the surface during the day, and retreat of trichiurids are found in deepwater, but the to deeper waters at night. In contrast, juveniles most well known member of the family to most and small adults tend to feed at night at the people is the hairtail, found in shallow coastal surface, and aggregate into schools at depths waters and estuaries. during the day. The adult hairtail diet consists mainly of fish with occasional squid and A cosmopolitan species, the largehead hairtail crustaceans, whereas juveniles mainly feed on is subject to significant fisheries off many planktonic crustaceans, euphausiids and small Asian countries, particularly China and Korea. fish. The world catch reportedly now exceeds 1.5 million t annually. In eastern Australia, Reported landings in NSW generally range hairtail occasionally school in coastal bays between 10 and 25 t with catches greatest and estuaries where they may be targeted during March-May. -
Some Biological Aspects of Brown Comber, Serranus Hepatus (L.) (Pisces: Serranidae), in the Sea of Marmara, Turkey
Some biological aspects of brown comber, Serranus hepatus (L.) (Pisces: Serranidae), in the Sea of Marmara, Turkey Zeliha ERDOĞAN, Hatice TORCU-KOÇ* Department of Biology, Faculty of Science and Arts, University of Balikesir, Cağış Campus, 10145, Balikesir, Turkey. *Corresponding author: [email protected] Abstract: Age, growth, gonadosomatic index and condition factor of brown comber, Serranus hepatus (L.) were evaluated from 162 specimens collected in Bandırma Bay, the Sea of Marmara between the years of 2012 and 2013 by the hauls of trawls. Total length ranged between 6.5-11.1 cm, while weight varied between 3.62 and 21.52 g. The length-weight relationship was W=0.0216*L2.84, showing negative allometry. According to otolith readings, samples were determined between 1–5 years. The von Bertalanffy growth -1 parameters were estimated as L∞=12.46 cm, k=0.19 year , to=–4.32, W∞=34.77 g, k=0.09 -1 year and to=-1.63. Although brown comber has no economic value for Turkish Seas, it is important in the view of biodiversity. Keywords: Serranus hepatus, Sea of Marmara, Growth, Sex-ratio. Introduction Gulf and on the Cretan shelf (Aegean Sea). Dulcic et al. The brown comber, Serranus hepatus (L.), is a small (2007) determined growth and mortality of brown comber subtropical serranid species which occurs along the coasts in the eastern Adriatic (Crotian Coast). The length-weight of the Eastern Atlantic Ocean from Portugal to the Canary relationships of the species were given from several Islands and Senegal as well as throughout the localities throughout the Mediterranean, i.e. -
BIO 313 ANIMAL ECOLOGY Corrected
NATIONAL OPEN UNIVERSITY OF NIGERIA SCHOOL OF SCIENCE AND TECHNOLOGY COURSE CODE: BIO 314 COURSE TITLE: ANIMAL ECOLOGY 1 BIO 314: ANIMAL ECOLOGY Team Writers: Dr O.A. Olajuyigbe Department of Biology Adeyemi Colledge of Education, P.M.B. 520, Ondo, Ondo State Nigeria. Miss F.C. Olakolu Nigerian Institute for Oceanography and Marine Research, No 3 Wilmot Point Road, Bar-beach Bus-stop, Victoria Island, Lagos, Nigeria. Mrs H.O. Omogoriola Nigerian Institute for Oceanography and Marine Research, No 3 Wilmot Point Road, Bar-beach Bus-stop, Victoria Island, Lagos, Nigeria. EDITOR: Mrs Ajetomobi School of Agricultural Sciences Lagos State Polytechnic Ikorodu, Lagos 2 BIO 313 COURSE GUIDE Introduction Animal Ecology (313) is a first semester course. It is a two credit unit elective course which all students offering Bachelor of Science (BSc) in Biology can take. Animal ecology is an important area of study for scientists. It is the study of animals and how they related to each other as well as their environment. It can also be defined as the scientific study of interactions that determine the distribution and abundance of organisms. Since this is a course in animal ecology, we will focus on animals, which we will define fairly generally as organisms that can move around during some stages of their life and that must feed on other organisms or their products. There are various forms of animal ecology. This includes: • Behavioral ecology, the study of the behavior of the animals with relation to their environment and others • Population ecology, the study of the effects on the population of these animals • Marine ecology is the scientific study of marine-life habitat, populations, and interactions among organisms and the surrounding environment including their abiotic (non-living physical and chemical factors that affect the ability of organisms to survive and reproduce) and biotic factors (living things or the materials that directly or indirectly affect an organism in its environment). -
Fishes of Terengganu East Coast of Malay Peninsula, Malaysia Ii Iii
i Fishes of Terengganu East coast of Malay Peninsula, Malaysia ii iii Edited by Mizuki Matsunuma, Hiroyuki Motomura, Keiichi Matsuura, Noor Azhar M. Shazili and Mohd Azmi Ambak Photographed by Masatoshi Meguro and Mizuki Matsunuma iv Copy Right © 2011 by the National Museum of Nature and Science, Universiti Malaysia Terengganu and Kagoshima University Museum All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means without prior written permission from the publisher. Copyrights of the specimen photographs are held by the Kagoshima Uni- versity Museum. For bibliographic purposes this book should be cited as follows: Matsunuma, M., H. Motomura, K. Matsuura, N. A. M. Shazili and M. A. Ambak (eds.). 2011 (Nov.). Fishes of Terengganu – east coast of Malay Peninsula, Malaysia. National Museum of Nature and Science, Universiti Malaysia Terengganu and Kagoshima University Museum, ix + 251 pages. ISBN 978-4-87803-036-9 Corresponding editor: Hiroyuki Motomura (e-mail: [email protected]) v Preface Tropical seas in Southeast Asian countries are well known for their rich fish diversity found in various environments such as beautiful coral reefs, mud flats, sandy beaches, mangroves, and estuaries around river mouths. The South China Sea is a major water body containing a large and diverse fish fauna. However, many areas of the South China Sea, particularly in Malaysia and Vietnam, have been poorly studied in terms of fish taxonomy and diversity. Local fish scientists and students have frequently faced difficulty when try- ing to identify fishes in their home countries. During the International Training Program of the Japan Society for Promotion of Science (ITP of JSPS), two graduate students of Kagoshima University, Mr. -
Updated Checklist of Marine Fishes (Chordata: Craniata) from Portugal and the Proposed Extension of the Portuguese Continental Shelf
European Journal of Taxonomy 73: 1-73 ISSN 2118-9773 http://dx.doi.org/10.5852/ejt.2014.73 www.europeanjournaloftaxonomy.eu 2014 · Carneiro M. et al. This work is licensed under a Creative Commons Attribution 3.0 License. Monograph urn:lsid:zoobank.org:pub:9A5F217D-8E7B-448A-9CAB-2CCC9CC6F857 Updated checklist of marine fishes (Chordata: Craniata) from Portugal and the proposed extension of the Portuguese continental shelf Miguel CARNEIRO1,5, Rogélia MARTINS2,6, Monica LANDI*,3,7 & Filipe O. COSTA4,8 1,2 DIV-RP (Modelling and Management Fishery Resources Division), Instituto Português do Mar e da Atmosfera, Av. Brasilia 1449-006 Lisboa, Portugal. E-mail: [email protected], [email protected] 3,4 CBMA (Centre of Molecular and Environmental Biology), Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal. E-mail: [email protected], [email protected] * corresponding author: [email protected] 5 urn:lsid:zoobank.org:author:90A98A50-327E-4648-9DCE-75709C7A2472 6 urn:lsid:zoobank.org:author:1EB6DE00-9E91-407C-B7C4-34F31F29FD88 7 urn:lsid:zoobank.org:author:6D3AC760-77F2-4CFA-B5C7-665CB07F4CEB 8 urn:lsid:zoobank.org:author:48E53CF3-71C8-403C-BECD-10B20B3C15B4 Abstract. The study of the Portuguese marine ichthyofauna has a long historical tradition, rooted back in the 18th Century. Here we present an annotated checklist of the marine fishes from Portuguese waters, including the area encompassed by the proposed extension of the Portuguese continental shelf and the Economic Exclusive Zone (EEZ). The list is based on historical literature records and taxon occurrence data obtained from natural history collections, together with new revisions and occurrences. -
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 -
Merluccius Capensis) Across the Western Coast Of
SEASONAL TRANSBOUNDARY MOVEMENT OF CAPE HAKE (MERLUCCIUS CAPENSIS) ACROSS THE WESTERN COAST OF SOUTHERN AFRICA A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE IN BIODIVERSITY MANAGEMENT OF THE UNIVERSITY OF NAMIBIA BY VERONICA KALEINASHO KAPULA 201075822 April 2018 MAIN SUPERVISOR: DR. H.ON. Ndjaula (University of Namibia) CO-SUPERVISOR: DR. R. Henriques (Stellenbosch University) ABSTRACT This study was conducted to investigate the patterns of genetic differentiation of Cape hake (Merluccius capensis) across Southern Africa, using eight nuclear microsatellite markers to understand the seasonal movements of the two previously identified stocks. The aim of the project was to assess the position of the genetic break in two different temporal sampling events: summer months (February – March) and winter months (June – August) and to investigate the level of genetic diversity for 2017. Individual fishes were chosen randomly from a pool of samples, covering the distribution from the Cunene River Mouth, in northern Namibia, to Cape Town in South Africa. Six main sampling sites were chosen based on latitude and their relative position regarding known oceanographic breaks: Northern Namibia, Central Namibia, Southern Namibia, Orange River, Central West Coast and Southern West Coast. Total genomic DNA was extracted using a standard chlorophorm: isopropanol method of Backeljau, Dewachter &Winnepenninckx (1993). The Polymerase Chain Reaction (PCR) amplification of a fragment of the Control Region (CR) of the mtDNA was done for species validation. A total of 533 individuals were screened for genetic variation at eight nuclear microsatellite loci. The results shows an overall Fixation index (FST ) = 0.160 for summer and FST = 0.112 for winter, which were statistically significant different from zero (p<0.05). -
Mid-Atlantic Forage Species ID Guide
Mid-Atlantic Forage Species Identification Guide Forage Species Identification Guide Basic Morphology Dorsal fin Lateral line Caudal fin This guide provides descriptions and These species are subject to the codes for the forage species that vessels combined 1,700-pound trip limit: Opercle and dealers are required to report under Operculum • Anchovies the Mid-Atlantic Council’s Unmanaged Forage Omnibus Amendment. Find out • Argentines/Smelt Herring more about the amendment at: • Greeneyes Pectoral fin www.mafmc.org/forage. • Halfbeaks Pelvic fin Anal fin Caudal peduncle All federally permitted vessels fishing • Lanternfishes in the Mid-Atlantic Forage Species Dorsal Right (lateral) side Management Unit and dealers are • Round Herring required to report catch and landings of • Scaled Sardine the forage species listed to the right. All species listed in this guide are subject • Atlantic Thread Herring Anterior Posterior to the 1,700-pound trip limit unless • Spanish Sardine stated otherwise. • Pearlsides/Deepsea Hatchetfish • Sand Lances Left (lateral) side Ventral • Silversides • Cusk-eels Using the Guide • Atlantic Saury • Use the images and descriptions to identify species. • Unclassified Mollusks (Unmanaged Squids, Pteropods) • Report catch and sale of these species using the VTR code (red bubble) for • Other Crustaceans/Shellfish logbooks, or the common name (dark (Copepods, Krill, Amphipods) blue bubble) for dealer reports. 2 These species are subject to the combined 1,700-pound trip limit: • Anchovies • Argentines/Smelt Herring •