ANALYSIS OF AN OFFSHORE AQUACULTURE SYSTEM IN THE ECUATORIAN COAST ALONSO ECHEVARRIA U. OFFSHORE MARICULTURE CONFERENCE 6-8 APRIL 2016 - BARCELONA – SPAIN
Who are we ?
ABSTRACT AEX group is a consultant office that serves the aquaculture industry in areas related to technical studies. We give support to the strategic decisions of site selection for farms of fish, shellfish and seaweed in lakes, rivers and sea.
Experience ECUADOR / 2016 BRASIL /2012 ARGENTINA/ 2011 CHILE / 2003 MORE THAN 350 PROJECTS
What we do ?
Layout
Force by currents
Force by wind and waves
EQUIPMENT
EQUIPMENT CURRENT WIND TENSION WAVE GPS USBL ROV
BEFORE AFTER
BEFORE
AFTER
TO PREVENT … • FISH ESCAPE • LOSS OF HERITAGE, INVESTMENT • ENVIRONMENTAL PROBLEMS • COMPLY WITH REGULATION • LEGAL PROBLEMS
TO PREVENT …
TO PREVENT …
TO PREVENT …
ECUADOR Ocean Farm
COBIA Rachycentron canadum
About the Fishfarm - Start July 2015 - Grow 6 month later , 1.5 Kg from 50 gr - Feed - Cages - Mooring systems - Predators - Nets
9 NM
1. TENSION 1. BATHYMETRY 1. CURRENTS ( LAGRANGIAN METHODS) 1. INSPECTION 1. OPERATION
TENSION CELL
SITE SELECTION
SITE SELECTION
DISTRIBUTION ADCP ´ S
ANCHOR LINE SELECTED
SIDE VIEW ANCHOR LINE
LINE TENSION DATA CURVE TIDE MAX. CURRENT AVERAGE
1. TENSION 1. BATHYMETRY 1. CURRENTS ( LAGRANGIAN METHODS) 1. INSPECTION 1. OPERATION
BATHYMETRY
Sup 35 H 66 m 64 m
CURRENT STUDIES
MACRO CURRENT SITUATION INFLUENCES “ EL NIÑO”
in honor of the French mathematician Joseph Louis Lagrange.
DRIFTER
HIGH TIDE Day 1 Día 1 Day 2 Día 2
LOW TIDE Day 1 Día 1 Day 2 Día 2
FISH Rachycentron canadum
FEED
CAGES
MOORING SYSTEM
Original Plan
Anchor 1500 kg
As built
NETS
NETS - Nylon mesh 9/16“ 3 m depht. - Nylon mesh 1” over 100 gr. 10 m depht. - Metal mesh 2” 15 m depht
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