Meta 0061 PROGRAM BIOCEANOGRAPHICAL RESEARCH OF RESOURCES JACK MACKEREL AND PACIFIC MACKEREL IN PERU Financial support: PRODUCE
GOAL Full knowledge of mainly biological and fisheries features of jack mackerel and pacific mackerel on Peruvian coast These Program includes short and medium term researches for advise to managers and stakeholders
PROGRAM JUREL Y CABALLA (PERU) Full knowledge of jack mackerel on peruvian sea Advise Managers Stakeholders Public Retrospective Biological Availability Bioeconomic studies Process Of resource studies Distribution Size structure Cruceros Pesquería Catches Regiones Áreas Decadal changes Área de desove (dimensiones y ubicación) Reproductión Variaciones del proceso reproductivo Feeding Juveniles Adultos Changes on Growth Recruitment Acoustic assesment Oceanic surveys Op. Eureka Jurel Relation Environment-resource Behavior Migration Population Dynamic National market International market
PREGUNTAS FUNDAMENTALES RETROSPECTIVE ANALYSIS Includes recovery and review of historical data, mainly of foreign fleets (Soviet amd Cuban trawling Fleeet). Questions: 1. What about spatial and temporal variability of jack mackerel distributión on peruvian sea? (mainly juveniles and adults) 2. What about decadal changes affect jack mackerel population?
Resultados: Survey March 1983 85 W 80 W 0 S 5 S Biomass (thousand tonns) 500 000 1 000 000 1 500 000 Size length 10 S 15 S 20 S 10 14 18 22 26 30 34 38 42 46 50 Total length (cm) 25 S
BIOLOGICAL PROCESS Includes researches of biological process who are important for changes on abundance. Questions: 1. What are the spawning areas on peruvian sea? 2. What are the main factors who affect success recruitment? 3. What are its feeding preferences? 4.- There is changes on growth parameters?
Alimentación V: O: I: P: V: O: AN I: P: V: O: AN I: P: V: COP O: ANF I: PM P: V: O: AN I: P: V: O: I: P: -4-6 -8-10 -12-14 -16-18 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Callao Pisco: Crustaceos (copepodos y zoeas) Ilo: crustaceos PAITA PTA. FALSA PIMENTEL CHICAMA CHIMBOTE HUARMEY HUACHO CALLAO CERRO AZUL PISCO PTA. DOÑA MARIA SAN JUAN ATICO QUILCA ILO O: LP TELE V: PM I: PM O: LP V: PM I: PM V: PM I: PM V: PM V: PM V: PM Ingreso MUNIDA
PREGUNTAS FUNDAMENTALES RESEARCH ABOUT AVAILABILITY OF RESOURCES To know abundance of jack mackerel using direct and indirect assesments. Questions: 1.- What about biomass of jack mackerel inshore and ofshore 200 miles in front of peruvian coast? 2.- Is possible to get a relative abundance index for jack mackerel? 3.- Is possible to identify unit stocks of jack mackerel on peruvian sea, using isotopic analyses? 4.- What is the spatial dynamics of fishing areas?
Spatial dynamics of fishing areas of jack mackerel 12ºS 13ºS 14ºS CHANCAY CALLAO Distribución Jurel y Caballa 1-31 Enero 2008 PUCUSANA CERRO AZUL T. DE MORA PISCO Ba. INDEPE INFIERNILL 15ºS 16ºS SAN JUAN LOMAS CHALA ATICO CAMANA 17ºS MATARANI ILO
PREGUNTAS FUNDAMENTALES BIOECONOMIC RESEARCH Try to correlate economic, biological and social aspects on jack mackerel fisheries. Questions: 1.- What is the optimal economic yield? 2.- Wich is better: to use jack mackerel on national market or 2.- Wich is better: to use jack mackerel on national market or international market?
BUDGET May December 2008 TOTAL Budget: US $ 1.8 millions Scientific Equipment Services US $ 0.5 millions US $ 1.3 millions
Technical group of jack mackerel research Identify optimal fleet to support researches of jack mackerel Potential use of acoustic equipment of Industrial Fleet for direct assesment (standardización) Establish oceanographical network using data from Industrial Fleet (thermosalinograph) Joint work for developing Eureka Operation and Surveys
Proposal of seasonal Eureka Jurel 4 S 6 S 8 S 10 S 12 S 14 S 16 S 18 S 20 S 82 W 80 W 78 W 76 W 74 W 72 W 70 W 1 2 3 Pto. Pizarro Zorritos Pta. Sal Cabo Blanco Talara Paita Pta. Gobernador Parachique Pta. La Negra 4 5 6 Mórrope Pimentel Chérrepe Pacasmayo Chicama Trujillo Salaverry 7 Punta Chao Chimbote 8 Casma Punta Lobos Huarmey EUREKA JUREL 2008 Punta Bermejo Supe Huacho 9 TRAYECTOS PLANEADOS Chancay Callao 10 Pucusana Cerro Azul Tambo de Mora Pisco 11 Bahía Independencia Punta Infiernillos Punta Caballas San Juan Chala LANCHAS PESQUERAS Atico Ocoña Quilca Mollendo Pta. Bombom 12 Ilo Morro Sama Los Palos Arica Iquique 4 S 6 S 8 S 10 S 12 S 14 S 16 S 18 S 20 S 4 S 6 S 8 S 10 S 12 S 14 S 16 S 18 S 20 S 82 W 80 W 78 W 76 W 74 W 72 W 70 W 1 2 Pto. Pizarro Zorritos Pta. Sal Cabo Blanco Talara Paita Pta. Gobernador Parachique Pta. La Negra 3 Mórrope Pimentel Chérrepe Pacasmayo Chicama Trujillo Salaverry 4 Punta Chao Chimbote Casma Punta Lobos Huarmey EUREKA JUREL 2008 TRAYECTOS PLANEADOS Participación de 6 embarcaciones Punta Bermejo Supe Huacho Chancay Callao 5 Pucusana Cerro Azul Tambo de Mora Pisco Bahía Independencia Punta Infiernillos Punta Caballas San Juan Chala LANCHAS PESQUERAS Atico Ocoña Quilca Mollendo Pta. Bombom 6 Ilo Morro Sama Los Palos Arica Iquique 4 S 6 S 8 S 10 S 12 S 14 S 16 S 18 S 20 S 82 W 80 W 78 W 76 W 74 W 72 W 70 W 82 W 80 W 78 W 76 W 74 W 72 W 70 W
PROPOSAL OF SURVEY FOR JUREL Y CABALLA PUERTO PIZ 4 S 5 S 6 S 7 S 8 S 24 C 23 C MANCORA TALARA PAITA 22 C PARACHIQUE SURVEY OF ACOUSTIC ASSESMENT OF JUREL BIC HUMBOLDT MAY - JULY SANTA ROSA CHICAMA SALAVERRY 9 S 10 S 11 S 12 S 13 S 14 S 15 S 16 S 17 S 18 S COIHSCO CASMA CULEBRAS SUPE CHANCAY CALLAO PUCUSANA CERRO AZUL T. DE MORA Ba. INDEPE INFIERNILL SAN JUAN CHALA ATICO CAMANA ILO SAMA