Results 81 to 90 of about 685 (174)

Hydrography and Jack Mackerel stock in the South Pacific

open access: yes, 2013
The study on Hydrography and Jack Mackerel stock (Trachurus murphyi) in the South Pacific is currently one year underway. The main achievement consisted of collecting detailed datasets on Chilean, Peruvian and European fisheries activities and information on the hydrographical / biochemical and environmental conditions present in the South Pacific. The
Hintzen, N.T.   +3 more
openaire   +1 more source

Jack-Mackerel stock assessment simulation

open access: yes, 2009
IMARES has been tasked to perform an ICA assessment on a simulated Jack Mackerel dataset. This in order to provide management advice within the SPRFMO framework. The results of the assessments are only briefly discussed, as the Assessment Simulation Task Team mainly focused on agreeing on the underlying simulated dataset and assessment settings during ...
openaire   +1 more source

Numerical Study on Evaluation of Environmental DNA Approach for Estimating Fish Abundance and Distribution in Semi-Enclosed Bay

open access: yesJournal of Marine Science and Engineering
Despite efforts to use environmental DNA (eDNA), accurately quantifying fish populations remains a challenge. A recent eDNA approach provided reliable estimates of coastal fish population abundance, but it was not as effective for assessing spatial ...
Seongsik Park   +2 more
doaj   +1 more source

Estimación de la talla media de madurez sexual en Trachurus murphyi mediante parámetros del consumo relativo de oxígeno Estimation of size at first maturity for Trachurus murphyi using relative oxygen consumption

open access: yesLatin American Journal of Aquatic Research, 2010
Se usa un método alternativo para estimar la talla de madurez del jurel, que considera el consumo relativo de oxígeno en función del peso corporal y la constancia que ocurre en peces teleósteos entre el consumo relativo de oxígeno en la madurez y el ...
Luis Cubillos, Carolina Alarcón
doaj  

Otolith Image-Based Age Classification of Japanese Jack Mackerel Trachurus japonicus Using Convolutional Neural Networks

open access: yesJournal of Marine Science and Engineering
Reliable age information is needed for fisheries assessment, but conventional otolith reading requires trained readers and considerable time. This study evaluated whether convolutional neural networks could classify reader-assigned age classes of ...
Min-Su You, Chul-Woong Oh
doaj   +1 more source

Acoustic biomass and distribution of Jack mackerel Trachurus murphyi in Peru

open access: yesRevista Peruana de Biología, 2013
This paper analyzes the results of acoustic stock assessment surveys for Jack mackerel Trachurus murphyNichols 1920 conducted in Peruvian waters between 1983 and 2012. Since 1983 Jack mackerel T. murphyiwas included as a target species to be assessed during the pelagic stock assessment surveys executed by the Peruvian Institute of Marine Research.
Segura, Marceliano, Aliaga, Aníbal
openaire   +1 more source

Age and Racial Studies of Japanese Jack Mackerel-I

open access: yesNIPPON SUISAN GAKKAISHI, 1969
KIM, Wan Soo   +2 more
openaire   +2 more sources

Is the jack mackerel population affected by ENSO's variability?

open access: yesInvestigaciones marinas, 2002
Cubillos, Luis A., Arcos, Dagoberto F.
openaire   +2 more sources

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