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Free-living marine Nematodes from San Julián bay (Santa Cruz,
Argentine), 2009.
Catalina Pastor1, Virginia Lo Russo2
1 CONICET- CENPAT, Boulevard Brown 2915, U9120ACD, Puerto Madryn, Argentina; 2
CONICET-CENPAT, Boulevard Brown 2915, U9120ACD, Puerto Madryn, Argentina
Corresponding author(s): Catalina Pastor ([email protected])
Received {date}; Revised {date}; Accepted {date}; Published {date}
Citation: Combination of authors, year of data paper publication (in parenthesis), Title,
Journal Name, Volume, Issue number (in paranthesis), and doi of the data paper.
Abstract
Tha aim of this database is collecting all the registered data of free-living marine Nematodes
species from San Julian bay during January, 2009.
Keywords: Nematodes, free-living, marine, San Julián, Santa Cruz, Patagonia, Argentina.
Project details
Project title: Impact assesment in urban sand-clay coastal areas of Santa Cruz province,
using methods of rapid assesment in changes of nematodes community structure.
Personnel: Catalina Pastor
Funding: PICT AGENCIA-FONCYT 2/33345 (2005)
Study area descriptions/descriptor: This project proposed to study for the first time the
meiobenthos (Nematoda) with the aim to find the degree of disturbance in littoral sand-clay
coastal areas of the Ría San Julián.
The Ría San Julián has a complex variety of wild environments together with a urban
human population that produces seawage and garbage, presently poorly treated. Coastal areas
near San Julián city will be contrasted with natural areas of similar oceanographic
characteristics.
Design description: This project proposed: a) To contribute to the biodiversity knowledge
of meiobenthos (nematodes)on Santa Cruz province coasts. b) characterize using
communitary structures of meiobenthos the degree of disturbance that the San Julian city
coast presently has. c) To form two doctorate grant students in meiobenthos (Nematoda)
related to impact assessment studies; e) To transfer and to teach about meiobenthos
(Nematoda), which is not yet very well known in Argentina.
Data published through GBIF: http://ipt.cenpat-conicet.gob.ar:8081/resource.do?r=sjnem
Taxonomic coverage
General taxonomic coverage description: This data base covers the two clases of
free-living marine nematodes: Enoplea and Chromadorea. All nematodes has been identified
to genera or species.
Taxonomic ranks
Kingdom: Animalia
Phylum: Nematoda
Class: Enoplea, Chromadorea
Common names: Nematodes
Spatial coverage
General spatial coverage: This sampling of San Julián Bay, 2009, was in nine different
sampling sites.
Coordinates: 90°0'0''S and 90°0'0''N Latitude; 180°0'0''W and 180°0'0''E Longitude
Temporal coverage: 11 de enero de 2009 - 13 de enero de 2009
Natural collections description
Parent collection identifier: CNP-NEM
Collection name: SJNEM
Collection identifier: Catalina Pastor
Specimen preservation method: Glycerin
Methods
Method step description: Taxonomic identifications of Nematoda were obtained using light
microscope (Zeiss Photomicroscope or Olympus BX51 equipped with differential
Interference Contrast) and/or photographed by a digital camera (NIKON D80 with adapted
software).
The specimens are deposited in Centro Nacional Patagónico (CENPAT-CONICET),
Chubut, Argentina.
Study extent description: The study took place in three localities (mouth, city and El
Rincón) and in three tidal levels (high, medium and low)on each locality, so nine sampling
sites in total.
Sampling description: Marine nematodes were extracted from samples using the
elutriation/decantation LUDOX TM (colloidal silica polymer) method at a specific gravity of
1.15, quantifying only organisms that pass through a 500 um and are then retained by a 63
um mesh. Samples were evaporated to anhydrous glycerol and permanent slides made
(Somerfield & Warwick 1996). The classification followed for the systematic position of the
meiofauna taxa was Hulings and Gray (1988).
Quality control description: All data were gathered from the primary information source
(Nematode collection CENPAT, CNP-NEM). The identification are supported by the
technical report and by the scientific papers associated with the project.
Datasets
Dataset description
Object name: Darwin Core Archive Free-living marine Nematodes from San Julián bay
(Santa Cruz, Argentine), 2009.
Character encoding: UTF-8
Format name: Darwin Core Archive format
Format version: 1.0
Distribution: http://ipt.cenpat-conicet.gob.ar:8081/archive.do?r=sjnem
Publication date of data: 2013-08-23
Language: English
Metadata language: English
Date of metadata creation: 2013-08-23
Hierarchy level: Dataset