Citation:

PANGAEA.884342

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Related to:

de Macedo-Soares, Luis Carlos Pinto (2015): O papel das massas de água e do clima na variação espacial e temporal em grande escala do ictioplâncton no Oceano Atlântico Sudoeste (21° - 41°S) (PhD Thesis). Universidade Federal de Santa Catarina, 201 pp, https://bu.ufsc.br/teses/PECO0088-T.pdf

de Macedo-Soares, Luis Carlos Pinto; Garcia, Carlos Alberto Eiras; Freire, Andrea Santarosa; Muelbert, Jose H (2014): Large-scale ichthyoplankton and water mass distribution along the South Brazil Shelf. PLoS ONE, 9(3), e91241, https://doi.org/10.1371/journal.pone.0091241

Möller Jr, Osmar O; Piola, Alberto R (2004): The Plata Summer Cruise 2004, Cruise Report. Departamento de Ciencias de las Atmósfera y los Océanos, Universidad de Buenos Aires (Argentina), Instituto de Oceanografia, Universidade Federal do Rio Grande (Brazil), 24 pp, Summer2004_cruise_report.pdf (Summer2004_cruise_report.pdf)

Muelbert, Jose H; Acha, Marcelo; Mianzan, Hermes; Guerrero, Raúl; Reta, Raúl; Braga, Elisabete S; Garcia, Virginia M T; Berasategui, Alejandro; Gomez-Erache, Mónica; Ramírez, Alejandro (2008): Biological, physical and chemical properties at the Subtropical Shelf Front Zone in the SW Atlantic Continental Shelf. Continental Shelf Research, 28(13), 1662-1673, https://doi.org/10.1016/j.csr.2007.08.011

Piola, Alberto R; Möller Jr, Osmar O; Muelbert, Jose H (2003): The Plata Winter Cruise 2003, Cruise Report. Departamento de Ciencias de las Atmósfera y los Océanos, Universidad de Buenos Aires (Argentina), Instituto de Oceanografia, Universidade Federal do Rio Grande (Brazil), 23 pp, WInter2003_cruise_report.pdf (WInter2003_cruise_report_Pla_hi.pdf)

Coverage:

Median Latitude: -33.427108 * Median Longitude: -52.005422 * South-bound Latitude: -39.310000 * West-bound Longitude: -57.450000 * North-bound Latitude: -27.060000 * East-bound Longitude: -46.750000

Date/Time Start: 2003-08-20T17:33:00 * Date/Time End: 2003-09-01T11:37:00

Minimum Elevation: -1565.0 m * Maximum Elevation: -14.0 m

Event(s):

La_Plata_1_1 (111_1) * Latitude: -38.140000 * Longitude: -57.450000 * Date/Time: 2003-08-20T17:33:00 * Elevation: -24.0 m * Campaign: * Basis: Puerto Deseado * Method/Device: (CTD-RO)

La_Plata_1_2 (111_2) * Latitude: -38.250000 * Longitude: -57.230000 * Date/Time: 2003-08-20T19:06:00 * Elevation: -47.0 m * Campaign: * Basis: Puerto Deseado * Method/Device: (CTD-RO)

La_Plata_1_3 (111_3) * Latitude: -38.390000 * Longitude: -56.910000 * Date/Time: 2003-08-20T21:25:00 * Elevation: -80.0 m * Campaign: * Basis: Puerto Deseado * Method/Device: Net (NET)

Comment:

The NICOP-LA PLATA series cruises were carried out under the general objectives of the South Atlantic Climate Change Consortium (SACC), sponsored by the Inter-American Institute for Climate Change Research (IAI). The main objective of this project was to characterize the seasonal variations of the Rio de la Plata plume and the Subtropical Shelf Front (STSF) and their impacts on the circulation, and on the chemical and biological processes on the continental shelf. Eleven transects were performed perpendicular to the coastbetween Itajaí (26.9° S, 48.6° W - Brazil) and Mar del Plata (38.0° S, 57.5° W - Argentina) during the winter of 2003 (LA PLATA Winter Cruise) and the summer of 2004 (LA PLATA Summer Cruise). The sampling design resulted in 83 oceanographic stations taken with RV. Puerto Deseado in the winter cruise (August 20 to September 2), and 90 stations taken with the RV Antares in the summer cruises (February 1 to 19). Transects covered from near the coast (~ 18 km) to offshore depths greater than 1000 m (Piola et al., 2003; Möller Jr. & Piola, 2004).

Three strategies were applied for ichthyoplankton sampling. Integrated vertical arrays were conducted at the stations located near the 50 m and 200 m isobaths with a with 300 μm mesh and 0.6 m diameter Motoda net. During the second cruise, a 0.6 m in diameter WP-2 net with 140 μm mesh net (damaged and replaced by a mesh of 500 μm later) and was used in integrated vertical trawls. The second strategy consisted of vertical stratified hauls at two depths using a WP-2 net coupled with a closing mechanism. The hauls were carried out in stations near a 100 m isobath. This net was subsequently replaced during the second cruise by a 0.6 m diameter conical net with 200 μm mesh. The third strategy was conducted in the Albardão transect (between 33ºS and 34ºS) using the Motoda net, which was trawled horizontally for 10 minutes in two depths. All the stratified samples were taken below and above the halocline (Piola et al., 2003; Möller Jr. & Piola, 2004; Macedo-Soares, 2015).

The samples were fixed and preserved in formaldehyde solution, buffered with sodium tetraborate, diluted in sea water with a final approximate concentration of 4%. The filtrate volume was calculated based on the measurement of coupled flowmeters in each net, and was used to standardize the abundance of eggs and fish larvae per 100 m3 of filtered water. Two subsamples were obtained with a Folson splitter and shared between the Federal University of Rio Grande (FURG) and the National Institute of Fisheries Research and Development (INIDEP). For this cruises dry zooplankton biomass was determined and is express as milligrams per cubic meter of filtered water. The data compiled in the database are derived from the analyzes of the subsamples analyzed at LEI/FURG.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Event label	Event		Muelbert, Jose H
2	Date/Time of event	Date/Time		Muelbert, Jose H
3	Latitude of event	Latitude		Muelbert, Jose H
4	Longitude of event	Longitude		Muelbert, Jose H
5	Depth, bathymetric	Bathy depth	m	Muelbert, Jose H
6	Distance	Distance	km	Muelbert, Jose H	from shore
7	Temperature, water	Temp	°C	Muelbert, Jose H	at surface
8	Salinity	Sal		Muelbert, Jose H	at surface, PSU
9	Volume	Vol	m³	Muelbert, Jose H	filtered
10	Zooplankton, biovolume	Zooplankton biovol	µm³/ml	Muelbert, Jose H
11	Fish eggs	Fish eggs	#	Muelbert, Jose H
12	Fish larvae	Fish larv	#	Muelbert, Jose H
13	Fish eggs	Fish eggs	#/m³	Muelbert, Jose H	abundance at station
14	Fish larvae	Fish larv	#/m³	Muelbert, Jose H	abundance at station
15	Order	Order		Muelbert, Jose H
16	Family	Family		Muelbert, Jose H
17	Species	Species		Muelbert, Jose H
18	Number of species	Spec No	#	Muelbert, Jose H	of fish eggs
19	Number of species	Spec No	#	Muelbert, Jose H	of fish larvae
20	Fish eggs	Fish eggs	#/m³	Muelbert, Jose H	per species or taxon
21	Fish larvae	Fish larv	#/m³	Muelbert, Jose H	per species or taxon
22	Flag	Flag		Muelbert, Jose H	1 = beginning of new station, 0 = same station as above
23	Method comment	Method comm		Muelbert, Jose H	haul type: VT = total vertical, HS = horizontal surface, VST = vertical stratified, HST = horizontal stratified (eg Multinet)
24	Depth, top/min	Depth top	m	Muelbert, Jose H	haul depth, minimum range, = the actual depth of the haul (vertical, oblique or horizontal haul), OR the depth range in case of stratified hauls. E.g. the net went down to 250m and it was hauled to 100m depth, so haul depth is 150m (250-100)
25	Depth, bottom/max	Depth bot	m	Muelbert, Jose H	haul depth, maximum range, = the actual depth of the haul (vertical, oblique or horizontal haul), OR the depth range in case of stratified hauls. E.g. the net went down to 250m and it was hauled to 100m depth, so haul depth is 150m (250-100)
26	Method comment	Method comm		Muelbert, Jose H	station type: PKT = plankton trawl station, CTD = CTD station
27	Transect	Transect		Muelbert, Jose H
28	Device type	Device		Muelbert, Jose H	net

License:

Creative Commons Attribution-ShareAlike 3.0 Unported (CC-BY-SA-3.0)

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3332 data points

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