DOCSLIB.ORG

Human-Induced Threats to Turtles, Sea Birds and Other Vulnerable Species; Overview, Needs Analysis and Stakeholder Identification

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Human-Induced Threats to Turtles, Sea Birds and Other Vulnerable Species; Overview, Needs Analysis and Stakeholder Identification Human-induced threats to turtles, sea birds and other vulnerable species; overview, needs analysis and stakeholder identification Angola Prepared for the Benguela Current Convention June 2017 Acknowledgement This project of the Benguela Current Convention’s ecosystem-based management programme is made possible by generous support of the Ministry of Foreign Affairs, Norway. …………………………………………………… Disclaimer Any opinions, findings, conclusions or recommendations expressed in this report are those of the authors and do not necessary reflect the views of the Benguela Current Convention and / or Norway. Executive Summary Fisheries and other human activities have direct and indirect impacts on the aquatic and marine ecosystems, which have resulted in growing ecosystem degradation, loss of habitat as well as inadequate management-oriented research, poor long-term monitoring and limited integrated planning of conflicting uses. The focus of this report is the human activities that can be managed and monitored in the BCC environment. The document provides a synthesis of information on human induced threats pertinent to the protection of seabirds, turtles and other vulnerable species, including reference to elasmobranchs, marine mammals and fish species. As the main thrust of the project is to update the National Plan of Action (NPOA) to curb the incidental mortality of seabirds, emphasis has been placed on providing detailed information that will assist in the compilation of the NPOA. Catastrophic incidents such as oil spill disasters and the long-term impact of plastic debris fall outside the scope of this report. 2 | P a g e Table of Contents Acronyms ................................................................................................................................................ 6 1. Introduction ..................................................................................................................................... 7 1.1. Review of human threats to the environment of vulnerable marine and seabird species .... 7 1.2. Scope of the NPOA .................................................................................................................. 8 1.3. Human impacts particular to the BCC environment ............................................................... 9 1.4. Existing Legislation ................................................................................................................ 10 2. Main threats affecting conservation status of vulnerable marine species other than seabirds, turtles, current initiatives and proposed interventions ........................................................................ 12 2.1. Marine mammals .................................................................................................................. 13 2.1.1. Ecosystem changes ....................................................................................................... 15 2.1.2. Food Web interactions .................................................................................................. 15 2.1.3. Pollution ........................................................................................................................ 15 2.1.4. Habitat loss and disturbance ........................................................................................ 15 2.1.5. Climate Change ............................................................................................................. 16 3. Overview: Main threats affecting conservation status of vulnerable seabirds and turtles .......... 16 3.1. Seabirds ................................................................................................................................. 17 3.1.1. Ecosystem changes ....................................................................................................... 18 3.1.2. Food Web interactions .................................................................................................. 18 3.1.3. Pollution ........................................................................................................................ 19 3.1.4. Habitat loss and disturbance ........................................................................................ 19 3.1.5. Climate change .............................................................................................................. 19 3.1.6. Predators ....................................................................................................................... 19 3.2. Turtles and other reptiles ..................................................................................................... 19 3.2.1. Ecosystem changes ....................................................................................................... 20 3.2.2. Food Web interactions .................................................................................................. 20 3.2.3. Pollution ........................................................................................................................ 21 3.2.4. Habitat loss and disturbance ........................................................................................ 21 3.2.5. Climate Change ............................................................................................................. 21 3.2.6. Predators ....................................................................................................................... 21 3.2.7. Stakeholders.................................................................................................................. 21 3.3. Mangroves ............................................................................................................................ 22 3.3.1. Ecosystem changes ....................................................................................................... 22 3.3.2. Habitat loss and disturbance ........................................................................................ 23 3.3.3. Government frameworks .............................................................................................. 23 3 | P a g e 3.3.4. Climate change .............................................................................................................. 24 3.3.5. Current and proposed mitigation measures ................................................................. 24 3.4. Bays and Lagunas .................................................................................................................. 25 3.4.1. Ecosystem changes ....................................................................................................... 28 3.4.2. Habitat loss and disturbance ........................................................................................ 28 3.4.3. Government frameworks .............................................................................................. 28 3.4.4. Climate change .............................................................................................................. 29 3.4.5. Stakeholders.................................................................................................................. 29 4. Relevant Fishery Sectors affecting seabirds, turtles and other vulnerable marine species .......... 29 4.1. Pelagic Longline ..................................................................................................................... 31 4.1.1. Introduction .................................................................................................................. 31 4.1.2. Current information ...................................................................................................... 31 4.1.3. Human impact of by-catch and ghost fishing ............................................................... 31 4.1.4. Current and proposed mitigation measures and interventions ................................... 32 4.2. Pelagic Longline and tuna pole-line ...................................................................................... 32 4.2.1. Introduction .................................................................................................................. 32 4.2.2. Current information ...................................................................................................... 33 4.2.3. Human impact of by-catch and ghost fishing ............................................................... 34 4.3. Line fishery ............................................................................................................................ 35 4.3.1. Introduction .................................................................................................................. 35 4.3.2. Current information ...................................................................................................... 36 4.3.3. Human impact of by-catch and ghost fishing ............................................................... 36 4.4. Gillnet fishery ........................................................................................................................ 36 4.4.1. Current information ...................................................................................................... 36 4.4.2. Human impact of by-catch and ghost fishing in mangroves ......................................... 37 5. Summary table of primary drivers affecting conservation status of vulnerable seabirds, marine turtles and reptiles, current initiatives and proposed interventions ..................................................
Load more

Recommended publications
  • Fronts in the World Ocean's Large Marine Ecosystems. ICES CM 2007
    - 1 - This paper can be freely cited without prior reference to the authors International Council ICES CM 2007/D:21 for the Exploration Theme Session D: Comparative Marine Ecosystem of the Sea (ICES) Structure and Function: Descriptors and Characteristics Fronts in the World Ocean’s Large Marine Ecosystems Igor M. Belkin and Peter C. Cornillon Abstract. Oceanic fronts shape marine ecosystems; therefore front mapping and characterization is one of the most important aspects of physical oceanography. Here we report on the first effort to map and describe all major fronts in the World Ocean’s Large Marine Ecosystems (LMEs). Apart from a geographical review, these fronts are classified according to their origin and physical mechanisms that maintain them. This first-ever zero-order pattern of the LME fronts is based on a unique global frontal data base assembled at the University of Rhode Island. Thermal fronts were automatically derived from 12 years (1985-1996) of twice-daily satellite 9-km resolution global AVHRR SST fields with the Cayula-Cornillon front detection algorithm. These frontal maps serve as guidance in using hydrographic data to explore subsurface thermohaline fronts, whose surface thermal signatures have been mapped from space. Our most recent study of chlorophyll fronts in the Northwest Atlantic from high-resolution 1-km data (Belkin and O’Reilly, 2007) revealed a close spatial association between chlorophyll fronts and SST fronts, suggesting causative links between these two types of fronts. Keywords: Fronts; Large Marine Ecosystems; World Ocean; sea surface temperature. Igor M. Belkin: Graduate School of Oceanography, University of Rhode Island, 215 South Ferry Road, Narragansett, Rhode Island 02882, USA [tel.: +1 401 874 6533, fax: +1 874 6728, email: [email protected]].
    [Show full text]
  • Statoil-Environment Impact Study for Block 39
    Technical Sheet Title: Environmental Impact Study for the Block 39 Exploratory Drilling Project. Client: Statoil Angola Block 39 AS Belas Business Park, Edifício Luanda 3º e 4º andar, Talatona, Belas Telefone: +244-222 640900; Fax: +244-222 640939. E-mail: [email protected] www.statoil.com Contractor: Holísticos, Lda. – Serviços, Estudos & Consultoria Rua 60, Casa 559, Urbanização Harmonia, Benfica, Luanda Telefone: +244-222 006938; Fax: +244-222 006435. E-mail: [email protected] www.holisticos.co.ao Date: August 2013 Environmental Impact Study for the Block 39 Exploratory Drilling Project TABLE OF CONTENTS 1. INTRODUCTION ............................................................................................................... 1-1 1.1. BACKGROUND ............................................................................................................................. 1-1 1.2. PROJECT SITE .............................................................................................................................. 1-4 1.3. PURPOSE AND SCOPE OF THE EIS .................................................................................................... 1-5 1.4. AREAS OF INFLUENCE .................................................................................................................... 1-6 1.4.1. Directly Affected area ...................................................................................................... 1-7 1.4.2. Area of direct influence ..................................................................................................
    [Show full text]
  • Participant List
    Participant List 10/20/2019 8:45:44 AM Category First Name Last Name Position Organization Nationality CSO Jillian Abballe UN Advocacy Officer and Anglican Communion United States Head of Office Ramil Abbasov Chariman of the Managing Spektr Socio-Economic Azerbaijan Board Researches and Development Public Union Babak Abbaszadeh President and Chief Toronto Centre for Global Canada Executive Officer Leadership in Financial Supervision Amr Abdallah Director, Gulf Programs Educaiton for Employment - United States EFE HAGAR ABDELRAHM African affairs & SDGs Unit Maat for Peace, Development Egypt AN Manager and Human Rights Abukar Abdi CEO Juba Foundation Kenya Nabil Abdo MENA Senior Policy Oxfam International Lebanon Advisor Mala Abdulaziz Executive director Swift Relief Foundation Nigeria Maryati Abdullah Director/National Publish What You Pay Indonesia Coordinator Indonesia Yussuf Abdullahi Regional Team Lead Pact Kenya Abdulahi Abdulraheem Executive Director Initiative for Sound Education Nigeria Relationship & Health Muttaqa Abdulra'uf Research Fellow International Trade Union Nigeria Confederation (ITUC) Kehinde Abdulsalam Interfaith Minister Strength in Diversity Nigeria Development Centre, Nigeria Kassim Abdulsalam Zonal Coordinator/Field Strength in Diversity Nigeria Executive Development Centre, Nigeria and Farmers Advocacy and Support Initiative in Nig Shahlo Abdunabizoda Director Jahon Tajikistan Shontaye Abegaz Executive Director International Insitute for Human United States Security Subhashini Abeysinghe Research Director Verite
    [Show full text]
  • REPORT for Biennial Period, 2000-01 PART II (2001)
    INTERNATIONAL COMMISSION for the CONSERVATION of ATLANTIC TUNAS R E P O R T for biennial period, 2000-01 PART II (2001) - Vol. 2 English version MADRID, SPAIN 2002 INTERNATIONAL COMMISSION FOR THE CONSERVATION OF ATLANTIC TUNAS CONTRACTING PARTIES (as of December 31, 2001) Algeria, Angola, Barbados, Brazil, Canada, Cape Verde, China, Côte d'Ivoire, Croatia, Equatorial Guinea, European Community, France (St. Pierre & Miquelon), Gabon, Ghana, Guinea Conakry, Honduras, Japan, Korea (Rep.), Libya, Morocco, Namibia, Panama, Russia, Sao Tomé & Principe, South Africa, Trinidad & Tobago, Tunisia, United Kingdom (Overseas Territories), United States, Uruguay, Venezuela. COMMISSION OFFICERS Commission Chairman First Vice-Chairman Second Vice-Chairman J. BARAÑANO, EC-Spain J. BARAÑANO, EC-Spain A. SROUR, Morocco (Acting, since 1 April 2000) (since 22 November 1999) (since 22 November 1999) Panel No. PANEL MEMBERSHIP Chair -1- Angola, Brazil, Canada, Cape Verde, China, Cote d'Ivoire, European Community, Gabon, United Kingdom (Overseas Tropical Ghana, Japan, Korea (Rep.), Libya, Morocco, Namibia, Panama, Russia, Sao Tome &Territories) tunas Principe, Trinidad & Tobago, United Kingdom (Overseas Territories), United States, Venezuela -2- Algeria, Canada, China, Croatia, European Community, France (St. Pierre & Miquelon), European Community Temperate Japan, Libya, Morocco, Panama, Tunisia, United Kingdom (Overseas Territories), United tunas, North States -3- European Community, Japan, Korea (Rep.), Namibia, South Africa, United Kingdom Japan Temperate (Overseas Territories), United States tunas, South -4- Algeria, Angola, Brazil, Canada, China, Côte d’Ivoire, European Community, France (St. United States Other species Pierre & Miquelon), Gabon, Japan, Morocco, Namibia, South Africa, Trinidad & Tobago, United Kingdom (Overseas Territories), United States, Uruguay, Venezuela SUBSIDIARY BODIES OF THE COMMISSION Chairman STANDING COMMITTEE ON FINANCE & ADMINISTRATION (STACFAD) J.
    [Show full text]
  • Demersal Resources Based on Bottom Trawl and Other Sampling Methods
    Chapter 7 Demersal resources based on bottom trawl and other sampling methods Sean Fennessy, Jens-Otto Krakstad, Johan Groeneveld, Gabriella Bianchi and Bernadine Everett “The Nansen has accumulated large amounts of valuable information on seafloor conditions and fish resources.” Abstract The RV Dr Fridtjof Nansen has accumulated large amounts of valuable information on seafloor conditions and fish resources, based mainly on bottom trawling and acoustic recordings. In some regions, these data are the only information that exist. Over 1 500 trawls have been completed, mostly (68 percent) on the shelf (<200 m depth). Rocky or steep areas that could not be trawled have, in some cases, been sampled with baited traps and hook-and-line methods. Despite the unbalanced distribution of surveys over time and space, broad patterns in fish distribution and densities are apparent. Pelagic taxa such as scads (Carangidae) and sardinella (Clupeidae) were often abundant in demersal trawls, and these taxa were included in the analyses. Fish densities were relatively higher in the Somali Coast subregion than elsewhere, and also higher on the shelf than on the slope, between 200 and 800 m depth. Densities of snappers (Lutjanidae) were consistent across shelf subregions, particularly after 2007, whereas seabreams (Sparidae) exhibited a subequatorial distribution, occurring in Somalia in the north, and in southern Mozambique/southern Madagascar, but not in-between. Crustaceans predominated on the Mozambique shelf, consistent with the information from prawn trawl fisheries. Estimates produced from Nansen surveys are not dissimilar to those produced by other surveys in the Western Indian Ocean. The consistency of the Nansen’s sampling approach over the years means that valid spatio-temporal compar- isons of catch composition, catch rates and size frequencies can be undertaken, to build on the broad overview presented here.
    [Show full text]
  • Creating Markets in Angola : Country Private Sector Diagnostic
    CREATING MARKETS IN ANGOLA MARKETS IN CREATING COUNTRY PRIVATE SECTOR DIAGNOSTIC SECTOR PRIVATE COUNTRY COUNTRY PRIVATE SECTOR DIAGNOSTIC CREATING MARKETS IN ANGOLA Opportunities for Development Through the Private Sector COUNTRY PRIVATE SECTOR DIAGNOSTIC CREATING MARKETS IN ANGOLA Opportunities for Development Through the Private Sector About IFC IFC—a sister organization of the World Bank and member of the World Bank Group—is the largest global development institution focused on the private sector in emerging markets. We work with more than 2,000 businesses worldwide, using our capital, expertise, and influence to create markets and opportunities in the toughest areas of the world. In fiscal year 2018, we delivered more than $23 billion in long-term financing for developing countries, leveraging the power of the private sector to end extreme poverty and boost shared prosperity. For more information, visit www.ifc.org © International Finance Corporation 2019. All rights reserved. 2121 Pennsylvania Avenue, N.W. Washington, D.C. 20433 www.ifc.org The material in this work is copyrighted. Copying and/or transmitting portions or all of this work without permission may be a violation of applicable law. IFC does not guarantee the accuracy, reliability or completeness of the content included in this work, or for the conclusions or judgments described herein, and accepts no responsibility or liability for any omissions or errors (including, without limitation, typographical errors and technical errors) in the content whatsoever or for reliance thereon. The findings, interpretations, views, and conclusions expressed herein are those of the authors and do not necessarily reflect the views of the Executive Directors of the International Finance Corporation or of the International Bank for Reconstruction and Development (the World Bank) or the governments they represent.
    [Show full text]
  • FISHING in the WORLD This Is the Exploitation of the Aquatic Animals from Water Bodies Like Lakes, Rivers, Ponds, Seas, Oceans for Commercial and Subsistence Purposes
    FISHING IN THE WORLD This is the exploitation of the aquatic animals from water bodies like lakes, rivers, ponds, seas, oceans for commercial and subsistence purposes. It is common in countries like Canada, Norway, Japan, S. Africa, Morocco, Namibia, Angola, Nigeria, Finland, Sweden, Chile. Types of fishing There are two types of fishing: Marine fishing takes place in oceans, seas and it is most important for commercial purposes and for large scale. It helps in exploitation of marine species like Tuna, Cod, Mackerel, Heming, Sardines, Haddock, Anchories, Crabs, Halibut, Oysters, Yellow star fish, Whales, Sharks, Bonito. Takes place in pacific, Atlantic ocean, North sea, Indian (takes place in salt water). Fresh water fishing: this takes place in fresh water bodies found in the interior or inland like in lakes, rivers, swampy areas, streams, ponds. Fresh water species like Tilapia, mud fish, Nile perch, Silver fish, lung. This is common in the tropics equatorial regions, low developed countries like the Congo and Amazon basin. It is less developed and it contributes to small percentage. Methods of fishing: 1. Drifting: This is the use of drift nets which are hanged vertically in the sea like tennis with open end where the fish enters. It has floaters on top and sinkers at the bottom which help it in balancing. It is tied with a rope and pulled by a boat. It has locks for opening and closing. It is mostly used for getting pelagic fish which live near the surface of water like sardines, herrings mackerel. 2. Trawling: This is the use of trawl nets shaped like a bag with open end where the fish enters.
    [Show full text]
  • SCRS) (Madrid, Spain, September 29 to October 3, 2008
    INTERNATIONAL COMMISSION FOR THE COMMISSION INTERNATIONALE POUR LA CONSERVATION OF ATLANTIC TUNAS CONSERVATION DES THONIDES DE L’ATLANTIQUE COMISIÓN INTERNACIONAL PARA LA CONSERVACIÓN DEL ATÚN ATLÁNTICO REPORT OF THE STANDING COMMITTEE ON RESEARCH AND STATISTICS (SCRS) (Madrid, Spain, September 29 to October 3, 2008) October 2008 Corazón de María, 8 – 28002 MADRID – Spain, Espagne, España – Tel: +34 91 416 56 00 – Fax+34 91 415 26 12 – http://www.iccat.int - [email protected] REPORT OF THE STANDING COMMITTEE OF RESEARCH AND STATISTICS (Madrid, Spain, September 29-October 3, 2008) TABLE OF CONTENTS 1. Opening of the meeting............................................................................................................................... 1 2. Adoption of Agenda and arrangements for the meeting ............................................................................ 1 3. Introduction of Contracting Party delegations............................................................................................ 2 4. Introduction and admission of observers ................................................................................................... 2 5. Admission of scientific documents ............................................................................................................ 2 6. Report of Secretariat activities in research and statistics . ......................................................................... 2 7. Review of national fisheries and research programs ................................................................................
    [Show full text]
  • Industrial Fisheries
    Faculty of Biosciences, Fisheries and Economics Norwegian College of Fisheries Science The Governance of the Angolan Industrial and Semi- industrial Fisheries A Governability Assessment of the Commercial Fishery — Vieira Ferreira Nzambi Códia Master thesis in International Fisheries Management (30 ECTS) – May 2018 The Governance of the Angolan Industrial and Semi-industrial Fisheries A Governability Assessment of the Commercial Fishery Vieira Ferreira Nzambi Códia May 2018 Tromsø – Norway DECLARATION I hereby declare that this work is the product of my own research efforts, undertaken under the supervision of Professor Dr. Petter Holm, and has not been presented elsewhere for the award of the degree. All the sources have been duly and appropriately acknowledged and therefore bear a sole responsibility for any shortcomings. Tromsø, Norway May 2018 Vieira Ferreira Nzambi Códia CERTIFICATION This is to certify that this thesis was supervised in accordance with the procedures laid down by UiT – The Arctic University of Norway, Faculty of Biosciences, Fisheries and Economics, Norwegian College of Fisheries Science. Professor Dr. Petter Holm Supervisor ii DEDICATION To my lovely spouse, Chesira Evelaine Códia You’re my best friend My unique Love ‘til the end You’re my best choice My greatest Rejoice. iii ACKNOWLEDGEMENTS First and foremost, I humbly give thanks to the Most High God – Yahweh – for His grace towards me, His mercy and love never ending. I would also like to thank my thesis supervisor, Professor Dr. Petter Holm of the Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics at UiT – The Arctic University of Norway, Tromsø. The door to Prof.
    [Show full text]
  • Towards an Ecosystem Approach to Longline Fisheries in the Benguela: an Assessment of Impacts on Seabirds, Sea Turtles and Sharks
    Towards an Ecosystem Approach to Longline Fisheries in the Benguela: An assessment of impacts on seabirds, sea turtles and sharks WWF South Africa Report Series – 2007/Marine/001 A process funded by the BCLME in partnership with WWF and BirdLife Compiled and edited by: Samantha Petersen1*, Deon Nel2 & Aaniyah Omardien2 1BirdLife & WWF Responsible Fisheries Programme, Percy FitzPatrick Institute, University of Cape Town, Rondebosch, Cape Town, 7701 Email: [email protected] *Corresponding editor; current address: WWF Responsible Fisheries Programme, Capricorn Fisheries Monitoring, P.O. Box 50035, Waterfront, Cape Town, 8002 Email: [email protected] 2WWF Sanlam Marine Programme, WWF South Africa, Private Bag X2, Die Boord, 7613, South Africa Email: [email protected] Email: [email protected] APRIL 2007 Towards an Ecosystem Approach to Longline Fisheries in the Benguela: An assessment of impacts on seabirds, sea turtles and sharks FOREWORD Marine science and fisheries management in the coastal countries of the Benguela ecosystem have a long and proud history, recognised throughout the world for innovative and proactive approaches. This work was substantially boosted and strengthened when the Benguela Current Large Marine Ecosystem Programme started in 2002 and it has supported and facilitated a wealth of high-level studies and activities central to the needs of responsible management of human uses of and impacts on this productive and rich ecosystem. One of the strongest features of southern African marine science has always been its emphasis on ecosystem interactions, as manifested in the Benguela Ecology Programme, the Benguela Environment Fisheries Interaction and Training Programme (BENEFIT) and the BCLME Programme.
    [Show full text]
  • MOBULA RAYS (GENUS Mobula) in CMS APPENDIX I and II
    CMS Distribution: General CONVENTION ON UNEP/CMS/COP11/Doc.24.1.10/ MIGRATORY Rev.1 4 November 2014 SPECIES Original: English 11th MEETING OF THE CONFERENCE OF THE PARTIES Quito, Ecuador, 4-9 November 2014 Agenda Item 24.1.1 PROPOSAL FOR THE INCLUSION OF ALL SPECIES OF MOBULA RAYS (GENUS Mobula) IN CMS APPENDIX I AND II Summary: The Government of Fiji has submitted a proposal for the inclusion of all species of Mobula rays, Genus Mobula, in CMS Appendix I and II at the 11th Meeting of the Conference of the Parties (COP11), 4-9 November 2014, Quito, Ecuador. A revised proposal for the inclusion of all species of Mobula Rays (Mobula) in CMS Appendices I and II was subsequently submitted by Fiji pursuant to Rule 11 of the COP Rules of Procedure. The proposal is reproduced under this cover for a decision on its approval or rejection by the Conference of the Parties. For reasons of economy, documents are printed in a limited number, and will not be distributed at the Meeting. Delegates are requested to bring their copy to the meeting and not to request additional copies. UNEP/CMS/COP11/Doc.24.1.10/Rev.1: Proposal I/10 & II/11 PROPOSAL FOR INCLUSION OF SPECIES ON THE APPENDICES OF THE CONVENTION ON THE CONSERVATION OF MIGRATORY SPECIES OF WILD ANIMALS A. PROPOSAL: Inclusion of mobula rays, Genus Mobula, in Appendix I and II B. PROPONENT: Government of Fiji C. SUPPORTING STATEMENT: 1. Taxon 1.1 Class: Chondrichthyes, subclass Elasmobranchii 1.2 Order: Rajiformes 1.3 Subfamily: Mobulinae 1.4 Genus and species: All nine species within the Genus Mobula (Rafinesque, 1810): Mobula mobular (Bonnaterre, 1788), Mobula japanica (Müller & Henle, 1841), Mobula thurstoni (Lloyd, 1908), Mobula tarapacana (Philippi, 1892), Mobula eregoodootenkee (Bleeker, 1859),Mobula kuhlii (Müller & Henle, 1841), Mobula hypostoma (Bancroft, 1831), Mobula rochebrunei (Vaillant, 1879), Mobula munkiana (Notarbartolo-di-Sciara, 1987) and any other putative Mobula species.
    [Show full text]
  • SEA5 Cephalopods
    Strategic Environmental Assessment – SEA 5 - Cephalopods An Overview of Cephalopods Relevant to the SEA 5 Area A review on behalf of the Department of Trade and Industry Gabriele Stowasser, Graham J. Pierce, Jianjun Wang and M. Begoña Santos. Department of Zoology, University of Aberdeen, Tillydrone Avenue, Aberdeen AB24 2TZ. Contents 1. Introduction ............................................................................................................................ 2 2. Life history and distribution................................................................................................... 3 2.1. Long-finned squid...................................................................................................... 3 2.2. Short-finned squid...................................................................................................... 5 2.3. Deep-water squid ....................................................................................................... 7 2.4. Other cephalopods ..................................................................................................... 7 3. Ecology: trophic interactions ................................................................................................. 9 4. Fisheries and trends in abundance........................................................................................ 11 4.1. Squid ........................................................................................................................ 12 4.2. Octopus...................................................................................................................
    [Show full text]