Ocorrência

SPC NECTALIS Zooplankton/Micronekton specimens, New Caledonia 2014

Versão mais recente publicado em 16 de Janeiro de 2019
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16 de Janeiro de 2019
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Descrição

The overall objective of the NECTALIS 3 cruise is studying intermediate trophic levels in pelagic ecosystem: characterizing the environment, acoustics, sampling and modelling of zooplankton and micronekton in New Caledonia. The Nectalis 3 cruise contributes to explore the southern area of the exclusive economic zone (EEZ) of New Caledonia in the south-west Pacific to collect data and samples on the pelagic ecosystem where tuna swim, particularly albacore tuna.

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Os dados deste recurso de ocorrência foram publicados como um Darwin Core Archive (DwC-A), que é o formato padronizado para compartilhamento de dados de biodiversidade como um conjunto de uma ou mais tabelas de dados. A tabela de dados do núcleo contém 12.450 registros.

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Versões

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Como citar

Pesquisadores deveriam citar esta obra da seguinte maneira:

Allain, V., Menkes, C., 2014. Nectalis 3 cruise, RV Alis. https://doi.org/10.17600/14004900

Direitos

Pesquisadores devem respeitar a seguinte declaração de direitos:

This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC 4.0) License.

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Palavras-chave

Occurrence; Observation

Dados externos

Os dados de recurso também estão disponíveis em outros formatos

Contatos

Francois Roupsard
  • Provedor Dos Metadados
  • Originador
Research Assistant
The Pacific Community (SPC)
98800 Noumea
NC
Sylvain Caillot
  • Provedor Dos Metadados
IT/DB Manager
The Pacific Community (SPC)
98800 Noumea
NC
Sylvain Caillot
  • Provedor Dos Metadados
DB/IT Manager
The Pacific Community (SPC)
98800 Noumea
NC
Valerie Allain
  • Ponto De Contato
Senior Fisheries Scientist
The Pacific Community (SPC)
98800 Noumea
NC
Christophe Menkes
  • Ponto De Contato
Oceanographer
French Institute for Research and Development (IRD)
98800
NC
Ainsof So'o
  • Programador
Systems Analyst and Developer
SPREP
Apia
WS
Elodie Vourey
  • Curador
Laborary Assistant
The Pacific Community (SPC)
98800 Noumea
NC

Cobertura Geográfica

South and west of New Caledonia EEZ

Coordenadas delimitadoras Sul Oeste [-24,046, 160], Norte Leste [-20,056, 168,354]

Cobertura Taxonômica

Zooplankton is composed mainly of crustaceans measuring between 0.2mm and 2cm. Micronekton, which forms the food of tuna, is constituted of larger organisms: fish, shrimps or squids measuring between 2 and 20cm.

Reino Animalia

Cobertura Temporal

Data Inicial / Data final 2014-11-22 / 2014-12-09

Dados Sobre o Projeto

The NECTALIS3 project studies the mid-trophic levels of the pelagic ecosystem of New-Caledonia: zooplankton and micronekton. Those components are the link between physical/chemical factors which influence their distribution and abundance, and fish exploited resources, particularly tuna, which are their predators. To complement a larger project based on observations, technology and modelling, we propose a multidisciplinary cruise to collect sea water physical and chemical data as well as data on zooplankton and micronekton. To characterise physico-chemical conditions and primary production, we measure temperature, salinity, oxygen, fluorescence, light, currents, nutrients, photosynthetic pigments, phytoplankton abundance, primary production, phytoplanktonic communities. Secondary production (zooplankton, micronekton) is measured with acoustic (TAPS, S-ADCP, L-ADCP, EK60) and net sampling of zooplankton and micronekton. This cruise is complemented by physical, chemical and biogeochemical modelling, by tuna diet study and by modelling of the pelagic ecosystem including several sub-models. Specialists in dynamic, acoustic, biogeochemistry, oceanography, biology and fisheries coming from different research institutions collect, analyse and model observations on the mid-trophic levels. We have two goals: 1) sustainable fish resources management with the improvement of our understanding of spatio-temporal distribution and behaviors of the tuna preys to eventually better understand tuna-environment relationships 2) conservation and protection of offshore waters by providing new information on pelagic biodiversity to contribute to the identification of ecologically and biologically significant areas in the Caledonian EEZ.

Título NECTALIS 3 scientific cruise, micronekton collection
Identificador BID-PA2016-0002-REG
Financiamento The Nectalis 3 cruise received the financial support of IRD, SPC and AAMP (French Marine Protected Areas), now Agence Française de la Biodiversité (AFB). Data prepared and published under project "Capacity building and data mobilization for conservation and decision making in the South Pacific" - BID-PA2016-0002-REG

O pessoal envolvido no projeto:

Valerie Allain
  • Ponto De Contato

Métodos de Amostragem

Based on acoustic signal of EK60 we used a mesopelagic midwater trawl (Micronekton pelagic trawl 24mx24m) to target acoustic layers and collect micronekton organisms.

Área de Estudo South and West of the New Caledonia EEZ on a daily basis during the NECTALIS cruise
Controle de Qualidade Species identification made by taxonomists

Descrição dos passos do método:

  1. Three methods were used to estimate zooplankton (organisms 2 µm – 20 mm) biomass: a Tracor Acoustic Profiling System (TAPS), net sampling and Ship-Borne Acoustic Doppler Current Profilers (S-ADCP).
  2. Three methods were used to estimate micronekton (organisms 2 - 20 cm) biomass and species composition: using an EK60 echosounder, net sampling and the S-ADCP

Dados de Coleção

Nome da Coleção Nectalis3 collection
Identificador da Coleção NEC3
Métodos de preservação do espécime Formalina,  Congelado,  Álcool

Citações bibliográficas

  1. Menkes, C., Allain, V., Rodier, M., Gallois, F., Lebourges-Dhaussy, A., Hunt, B.P.V., Smeti, H., Pagano, M., Josse, E., Daroux, A., Lehodey, P., Senina, I., Kestenare, E., Lorrain, A., Nicol, S.J., 2015. Seasonal oceanography from physics to micronekton in the south-west Pacific. Deep Sea Research Part II: Topical Studies in Oceanography. 113:125-144. DOI 10.1016/j.dsr2.2014.10.026 10.1016/j.dsr2.2014.10.026

Metadados Adicionais

marine, harvested by iOBIS

Identificadores alternativos 7c0cd863-8b81-4937-84f9-2f596fd3fa79
https://nzobisipt.niwa.co.nz/resource?r=spc_fema_nectalis3