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«Book of Abstracts 67th Annual Gulf and Caribbean Fisheries Institute Christ Church, Barbados Hosted by : The University of the West Indies, Cave Hill ...»

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3 November 2014 - 7 November 2014

Book of Abstracts

67th Annual Gulf and Caribbean Fisheries Institute

Christ Church, Barbados

Hosted by :

The University of the West Indies, Cave Hill Campus

via the Centre for Resource Management and Environmental Studies

th

GCFI Gratefully Thanks the Following Sponsors of the 67 Institute

BILLFISH

FLORIDA FISH AND WILDLIFE CONSERVATION COMMISSION

FISH AND WILDLIFE RESEARCH INSTITUTE

THE UNIVERSITY OF THE WEST INDIES, CAVE HILL CAMPUS

CENTRE FOR RESOURCE MANAGEMENT AND ENVIRONMENTAL

STUDIES

NATIONAL OCEANIC AND ATMOSPHERIC

ADMINISTRATION

NATIONAL OCEAN SERVICE

NATIONAL MARINE FISHERIES SERVICE

THE WAITT INSTITUTE

UNITED NATIONS ENVIRONMENT PROGRAMME

CARIBBEAN ENVIRONMENT PROGRAMME

BIOPAMA PROGRAMME IUCN REGIONAL OFFICE FOR

MEXICO, CENTRAL AMERICA AND THE CARIBBEAN

CARIBBEAN LARGE MARINE ECOSYSTEM PROJECT

DOLPHINFISH

THE GOVERNMENT OF BERMUDA

BARBADOS TOURISM MARKETING INC.

FLYINGFISH

THE UNIVERSITY OF SOUTHERN MISSISSIPPI

INTERNATIONAL GAMEFISH ASSOCIATION

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS

SEA GRANT COLLEGE PROGRAMS OF FLORIDA, PUERTO RICO AND THE

GULF OF MEXICO

CARIBBEAN MARINE PROTECTED AREAS NETWORK AND FORUM

CARIBSAVE PARTNERSHIP

CARIBBEAN FISH SANCTUARY PARTNERSHIP INITIATIVE

CARIBBEAN NATURAL RESOURCES INSTITUTE

BARBADOS NATIONAL UNION OF FISHERFOLK ORGANISATIONS

COASTAL ZONE MANAGEMENT UNIT — BARBADOS

MINISTRY OF AGRICULTURE, FOOD, FISHERIES AND WATER RESOURCE

MANAGEMENT — BARBADOS

PROGRAM

TH

67 ANNUAL GULF AND CARIBBEAN FISHERIES INSTITUTE

Christ Church, BARBADOS 3-7 NOVEMBER 2014 Sunday, November 2 Pre-Meeting Activities 8:00-17:00 NOAA Workshop Evaluate the current status of and explore applications of data-limited stock assessment methods in the larger Caribbean region 15:00 GCFI Board of Directors Meeting 19:30 Student-Board Social (for registered students and GCFI Board Members) Tiki Bar on the beach Monday, November 3

OPENING CEREMONY

Program Chair: Alejandro Acosta, GCFI

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12:30- Lunch Break 14:00 Concurrent Activity NOAA Workshop Evaluate the Current Status of and Explore Applications of Data-Limited stock assessment methods in the larger Caribbean region. 30-50 people

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Fishers forum — Session Theme: Fisheries Livelihoods: Living for the Work. Moderator: Patrick McConney, UWI-CERMES 16:15 McConney, Patrick Introduction to F4F and the 2014 Fishers Forum Theme 16:20 Nicholls, Vernel Fish Processing and Marketing in Barbados: a Gender Perspective 16:30 Lay, Mitchell A Leader’s Life: Fisherfolk Organizing and Quality Seafood 16:40 Nembhard, Nadine Fishers’ Livelihoods under Managed Access in Belize 16:50 Walters, Trysion A Livelihoods Perspective on the Galleon Fish Sanctuary in Jamaica 17:00 González, Claudio Fisheries Livelihoods around the Jaragua National Park

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11:15 *Marrugo Marmolejo, Characterization of Technology Incorporating Gillnets Hooks in the Cristhian Traditional Fishing Related Selachii

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14:45 *Ariza Pacheco, Daniel Ontogeny of Labridae Family in Shore Ecosystems in Seaflower Biosphere Alejandro Reserve, Colombian Caribbean

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19:30- Presentation and discussion on implementing the Small-Scale Fisheries Guidelines —hosted by FAO 20:30 19:00- POSTER SESSION with Cocktails and Snacks Hosted by GCFI 21:00 Presenters should be at odd numbered posters from 19:00-20:00 and even numbered posters from 20:00 – 21:00

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12:20- MEETING OF THE GCFI MEMBERSHIP (Everyone is welcome - Learn about GCFI) 13:00 13:00- Lunch Break 14:00 14:00 Field trips: (1) History and heritage walking (2) Coastal cruising (3) Terrestrial trek (4) Round the island 19:30- CINEFISH Moderator: Janice Cumberbatch 21:00

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10:00 Coffee Break

Reefs and Associated Ecosystems: Reef Fisheries and Spawning Aggregations. Chair:





Moderator: Martin Russell, Co-Chair: Yvonne Sadovy; A SCRFA Activity

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15:00 Jackson, Jeremy Restoring the Resilience of Caribbean Coral Reefs 15:15 Jeffrey, Integrated Biogeographic Assessments: Objective Approaches for Managing Christopher Coastal Resources and Conserving Biodiversity in Small Islands States

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SONIA AHRABI-NEJAD1*, DAVID KERSTETTER2, PATRICIA BLACKWELDER1, and D.

ABIGAIL RENEGAR1

Nova Southeastern University, 1635 Tyler Street, Hollywood, Florida 33020 USA *sa1172@nova.edu Nova Southeastern University, 8000 North Ocean Drive, Dania Beach, Florida 33004 USA Page | 1

ABSTRACT

The ability to manage a fish stock relies on an understanding of life history characteristics and basic biology of the species. Numerous age-growth studies are facilitated by the relative ease of ageing fishes through hard-part analyses. Determining reproductive parameters for fish populations is just as important for stock assessments and management, and histological examination of gonads provides the most accurate determination of fecundity and spawning periods. However, research in this area is limited.

Coastal pelagic fishes are often targeted commercially and recreationally due to their easy access by private vessels. The objective of this study is to provide baseline data for two fish species important to Florida fisheries: the coastal pelagic fishes of blackfin tuna Thunnus atlanticus, and little tunny Euthynnus alletteratus. Histological examination of archived gonad samples for these four species from 2010-2014 will provide data on spawning periodicity (single or multiple periods per year) and baseline fecundity of reproductive-age females. To date, 185 samples of blackfin tuna and 191 samples of little tunny have been prepared onto slides and are undergoing microscopic evaluation to determine maturity. The individual fish will be classified as being immature, developing, spawning capable, regressing, or regenerating.

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In Situ Visual and Acoustic Tagging to Assess Lionfish Growth and Movement En Situ Visual y Acùstico Marcado para Evaluar Pez León Crecimiento y Movimiento En Situ Visuels et Acoustique Marquage pour Évaluer Poisson-Lion Croissance et Mouvement

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Page | 2

ABSTRACT

Information on fish movement and growth is primarily obtained through the marking and tracking of individuals with external or internal tags, which are usually affixed to anesthetized individuals at the surface. However, the quantity and quality of data obtained by this method is often limited by small sample sizes owing to the time associated with the tagging process, high rates of tagging-related mortality, and displacement of tagged individuals from the initial capture location. To address these issues, we describe a technique for applying external streamer and dart tags and internal acoustic tags in situ, which uses SCUBA divers to capture and tag individual fish on the sea floor without the use of anesthetic. We demonstrate this method for Indo-Pacific lionfish (Pterois volitans/P. miles), species which are particularly vulnerable to barotrauma when transported to and handled at the surface. To test our method, we visually tagged 161 individuals at 26 sites and acoustically tagged 10 individuals at 4 sites in the Bahamas. Our method resulted in no instances of barotrauma, reduced handling and recovery time, and minimal post-tagging release displacement compared with conventional ex situ tag application.

In total 24% of visually tagged lionfish were resighted between 29-188 days after tagging. Of these, 90% were located at the site of capture, while the remaining individuals were resighted between 200m -1.1km from initial site of capture. In situ growth rates ranged between 0.1 - 0.6 mm/day. Acoustic tagging data revealed variable depth movement of fish between 1 - 55 meters.

KEYWORDS: Pterois volitans, Acoustic tagging, Mark-recapture, Invasive Lionfish, fish growth

Book of Abstracts – 67th GCFI Bridgetown, Barbados 2014

Estimación y Análisis de Abundancia de Caracol Rosado (Strombus gigas) en dos Zonas del Parque Nacional Arrecifes de Xcalak, México Estimation and Analysis of Abundance of Queen Conch (Strombus gigas) in Two Areas of Xcalak Reefs National Park, México Estimation et Analyse de l'Abondance des Lambis (Strombus gigas) dans Deux Domaines De Xcalak Parc National des Récifs, México ERIKA ALAMILLA1* and FELIPE FONSECA2 Instituto Tecnológico de Chetuma,l Insurgentes #445, Col. Magisterial Chetumal, Q. Roo 77039 México* l-abeba-04@hotmail.com.

Comisión Nacional de áreas Naturales, Protegidas Insurgentes #445, Col. Magisterial Chetumal Quntana Roo 77039 México Page | 3

RESUMEN

El caracol rosado ―Strombus gigas‖ en Quintana Roo ha disminuido drásticamente, en algunos lugares se percatan poblaciones aisladas, principalmente juveniles, que no cumplen con las condiciones necesarias para sostener una pesquería. En el Parque Nacional Arrecifes de Xcalak se realiza un programa de monitoreo poblacional en dos zonas una al norte conocida como ―portillas‖ y otra al sur ―punta gavilán‖.

En el trabajo de campo se colectaron los organismos y se registraron datos biométricos longitud sifonal y grosor de labio. El principal objetivo es analizar la información capturada y conocer en que estadío se encuentran las poblaciones (frecuencia de tallas, edad, crecimiento). El análisis de datos durante marzo del 2013 en la zona conocida como ―Portillas‖ se obtuvo una abundancia de 798 organismos y en abril del año 2014 se registra un incremento del 84.42 % con 5124 individuos, donde se puede reportar que hay una mayor frecuencia de tallas con 2153 organismos que va de 103 a 113 mm y se le conoce como una población juvenil. En los monitoreos del 2014 se percata que en Punta Gavilán se colectaron 620 organismos en enero que se toma como un 100 % de la población y en abril solo se obtuvieron 49 que representa un 7.90%, esto indica que hubo una caída drástica de la población, casi en su totalidad debido a la pesca ilegal. Uno de los aspectos importantes para la caracterización del hábitat fue el análisis del tipo de sustrato para saber qué relación tiene con la presencia de poblaciones. Los resultados obtenidos de sedimento que más predomina en las dos zonas es la arena mediana.

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RESUMEN

El Caracol rosa Strombus gigas presenta un estadio larval de vida pelágica,en el cual su distribución se rige por las corrientes (de Jesús Navarrete, 1999).Se han realizado estudios sobre su abundancia larval desde la década de los 90‘s, sin embargo no se ha correlacionado el comportamiento vertical de las larvas de ésta especie en función de los ciclos de marea y fases de la luna. Bajo este eje de investigación, en junio de 2014 se realizaron arrastres de plancton en Puerto Morelos, Quintana Roo (20°54´34―N°50´13―O) durante luna llena y luna nueva cubriendo dos pleamares y dos bajamar por día, en superficie (-0.5m), media agua (-2m) y fondo (-3m) (n= 40 campañas de muestreo). las larvas de S. gigas fueron identificadas de acuerdo a Davis et al., 1993. Se calculó media y análisis de varianza (p = α0.05) para la densidad larval. La mayor densidad de larvas se registró durante luna llena con 1.41 larvas·10m-3, se registró mayor densidad en superficie con 1.66 larvas/10m3, presentando mayor número de larvas durante la pleamar (1.84 larvas/10m3). Se registró variación significativa en la abundancia larval entre profundidades, ciclos de marea y fases lunares (p ≤ 0.0001). El comportamiento vertical será modelado mediante el sistema HYCOM del RSMAS.

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Tres Herramientas para una Gobernanza Efectiva en la Pesquería Artesanal de Honduras Three Tools for an Effective Marine Governance in the Artisanal Fisheries of Honduras Trois Outils pour une Gouvernance Efficace de la Pêche Artisanale au Honduras

–  –  –

RESUMEN



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