Invertebrates San Matias gulf from shallows waters, Patagonia, Argentina

Sampling event
Latest version published by ArOBIS Centro Nacional Patagónico on May 13, 2021 ArOBIS Centro Nacional Patagónico
Publication date:
13 May 2021
License:
CC0 1.0

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Description

Survey of volutid snails (4 species) and infaunal and epibenthic bivalves (9 species) of interest for the artisanal fisheries at the southwest region of the San Matias Gulf, Patagonia. Data were collected in 1998-1999 by expert researchers of Research Council of Argentina, commissioned by the provincial administration to estimate biomass of species susceptible to commercial capture. The data were stored in digital support by the Fishing Agency of Chubut Province, Argentina.

Data Records

The data in this sampling event resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 158 records.

2 extension data tables also exist. An extension record supplies extra information about a core record. The number of records in each extension data table is illustrated below.

Event (core)
158
Occurrence 
593
ExtendedMeasurementOrFact 
558

This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.

Versions

The table below shows only published versions of the resource that are publicly accessible.

How to cite

Researchers should cite this work as follows:

Almonacid S., Marin M. R., Bigatti G., Lewis M.(2018). Database of marine invertebrates of San Jorge Gulf, Argentina. Version 1.0. CESIMAR-CONICET.

Rights

Researchers should respect the following rights statement:

The publisher and rights holder of this work is ArOBIS Centro Nacional Patagónico. To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0). Users may copy, modify, distribute and use the work, including for commercial purposes, without restriction.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: 25e11899-c0d8-490a-b1fa-f158086b92c3.  ArOBIS Centro Nacional Patagónico publishes this resource, and is itself registered in GBIF as a data publisher endorsed by Ocean Biodiversity Information System.

Keywords

Occurrence; marine invertebrates; volutid; bivalves; shallow waters; Patagonia Argentina

Contacts

SAMUEL ALMONACID
  • Originator
  • Informatic-Ph D.student
CESIMAR-CONICET
  • BOULEVARD BROWN 2915
9120 PUERTO MADRYN
CHUBUT
AR
MIRTHA LEWIS
  • Metadata Provider
  • RESEARCH BIOLOGIST
CESIMAR-CENPAT
  • BOULEVARD BROWN 2915
9120 PUERTO MADRYN
CHUBUT
AR
Gregorio BIGATTI
  • Point Of Contact
  • Research Biologist
BIOMAR-CENPAT
  • BOULEVARD BROWN 2915
9120 PUERTO MADRYN
CHUBUT
AR
Fisheries Agency of Chubut Province

Geographic Coverage

Southeast area of the San Matias Gulf that boundaries with the San Jose Gulf. Puerto Lobos is the accessible point coast from the cliff. The beach has wide shelf (solid sandstone platform extending into the sea).The seabed is sand and mixed bottoms of gravel and sand, while the slope changes the depth in few meters. The weather is characterized by strong winds.The species presented range from 30m to 5m depth.

Bounding Coordinates South West [-42.221, -64.667], North East [-42, -64.067]

Taxonomic Coverage

All specimens are marine volutids and marine bivalves identified to species level. The dataset included four species of volutid snails (Zidona dufresnei, Adelomelon beckii, Adelomelon ancilla, Odontocymbiola magellanica) and eight species of Bivalvia (Aulacomya atra, Mytilus platensis, Ameghinomya antiqua, Aequipecten tehuelchus, Ensis macha, Panopea abbreviata, Atrina seminuda y Ostrea Puelchana.

Species Aulacomya atra (magellanic mussel), Mytilus platensis (Blue mussel), Ameghinomya antiqua (Clam), Aequipecten tehuelchus (Scallop), Ensis macha (Razor shell), Panopea abbreviata (Giant clam), Atrina seminuda (Half-naked pen shell), Ostrea Puelchana (Oyster), Zidona dufresnei (Volutid gastropods), Adelomelon beckii (Volutid gastropods), Adelomelon ancilla (Volutid gastropods), Odontocymbiola magellanica (Volutid gastropods)

Temporal Coverage

Start Date / End Date 1999-05-06 / 1999-05-17

Project Data

Survey conducted at Chubut shoreline (5-30m depth), to estimate the abundance and biomass of bivalves and volutids of commercial interest through advisory of experts of Centro Nacional Patagonico, Research council of Argentina (Acronym CONICET) to Federal Council of investments of Argentina (Acronym CFI).

Title Relevamiento y sistematización de la información sobre mariscos para la pesca artesanal en las costas de Chubut. (Systematic survey on seafood for the artisanal fishery off the coast of Chubut)
Funding Consulting Services to Consejo Federal de Inversiones Argentina- Federal Council of investments of Argentina. http://biblioteca.cfi.org.ar/biblioteca/

The personnel involved in the project:

Nestor Ciocco
  • Author

Sampling Methods

The design of the survey was of fixed transects for visual census by SCUBA diving. Sampling included 29 transects perpendicular to the coast, from 5m to 30 m of deph, 8 oriented from West to East separated every 1800 m and 21 settled from South to North, separated every 1300m. The diver counted and recorded every 150m bivalves and volutids in a line of 1m wide covering 150m2. Representative specimens of gastropods and infaunal and epibenthic bivalves were collected. Complementary records of date, hour of start and end of each station, type of bottom and depth were included. The depth was taken with SCUBA diving computer and echo sound.

Study Extent Survey was conducted at the Puerto Lobos shoreline, to estimate the abundance and biomass of bivalves and volutids of commercial interest. The sampling place was selected for its logistic for artisanal fishermen, natural accessibility characteristics to get access by truck and zodiac boat, and the informal knowledge in the area of bivalves and volutids susceptible to being commercially exploited.
Quality Control Taxonomy was verify by the curator Dr. Javier Signorelli of the IBIOMAR CENPAT-CONICET.

Method step description:

  1. The records were extracted from a hard copy report available in the CENPAT- CONICET library. For the preparation of data set, the species occurrence tables were integrated to the complementary tables of records of date, hour of start and end of each station, and depth. Ciocco N. F. 1995 La marisquería mediante buceo en el Golfo San José (Chubut Argentina) Serie : Informes técnicos del plan de manejo integrado de la Zona Costera Patagónica (PNUD-GEF, FPN), 2(1):1-39 Ciocco N. F., M.L. Lasta & C. Bremec.1998. Pesquerías de bivalvos: mejillón, vieiras (Tehuelche y Patagónica) y otras especies. En : el Mar Argentino y sus recursos Pesqueros 2: 142-166 (Boschi ed.), INIDEP, Mar del Plata.

Bibliographic Citations

  1. Ciocco N. F. 1999. Relevamiento y sistematización de la información sobre mariscos para la pesca artesanal en las costas de Chubut. Consejo Federal de Inversiones Argentina- 278 pp

Additional Metadata

Alternative Identifiers 25e11899-c0d8-490a-b1fa-f158086b92c3
http://arobis.cenpat-conicet.gob.ar:8081/resource?r=invertebrados_pto_lobos