Citation:

PANGAEA.884342

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Related to:

Muelbert, Jose H (2000): Perturbações naturais e antrópicas na ecologia do estuário da Lagos do Patos. Relatório de atividades, Instituto de Oceanografia, Universidade Federal do Rio Grande, 1, 12 pp, MUELBERT_2000.pdf

Muelbert, Jose H (2001): Perturbações naturais e antrópicas na ecologia do estuário da Lagos do Patos. Relatório de atividades, Instituto de Oceanografia, Universidade Federal do Rio Grande, 2, 12 pp, MUELBERT_2001.pdf

Coverage:

Median Latitude: -32.725833 * Median Longitude: -51.500000 * South-bound Latitude: -33.480000 * West-bound Longitude: -52.100000 * North-bound Latitude: -32.120000 * East-bound Longitude: -50.690000

Date/Time Start: 2000-02-22T09:30:00 * Date/Time End: 2000-02-23T14:38:00

Minimum DEPTH, water: 17 m * Maximum DEPTH, water: 141 m

Event(s):

PELDoce_1_1 (101_1) * Latitude: -32.120000 * Longitude: -52.100000 * Date/Time: 2000-02-22T09:30:00 * Elevation: -16.0 m * Location: Southwest Atlantic * Campaign: * Basis: * Method/Device: (CTD-RO)

PELDoce_1_2 (101_2) * Latitude: -32.210000 * Longitude: -52.050000 * Date/Time: 2000-02-22T10:25:00 * Elevation: -14.0 m * Location: Southwest Atlantic * Campaign: * Basis: * Method/Device: (CTD-RO)

PELDoce_1_3 (101_3) * Latitude: -32.280000 * Longitude: -52.000000 * Date/Time: 2000-02-22T11:14:00 * Elevation: -20.0 m * Location: Southwest Atlantic * Campaign: * Basis: * Method/Device: (CTD-RO)

Comment:

The PELDOcean cruise series were carried out by the Brazilian Program for Long-term Ecological Research (PELD) - Site 8 - Lagoa dos Patos Estuary and Adjacent Coastal Region. The activities aimed at the analysis of oceanographic conditions and ichthyoplankton in the coastal region under the influence of the Patos Lagoon (Muelbert, 2000). Three cruises were carried out, the first on 22 and 23/02/2000 (PELDoce_1), the second on 10 and 11/10/2000 (PELDoce_2) and the last on 05/02/2002 (PELDoce_3). Each cruise included a transect perpendicular to the coastline from the channel of the Lagoa dos Patos estuary towards the ocean, where 8 sequential hydrographic stations were carried out to characterize the oceanographic condition of the water column, followed by 5 complete oceanographic stations which included plankton trawls (Muelbert, 2000; 2001).

The ichthyoplankton samples were obtained through oblique hauls conducted from the bottom to the surface, with a 0.7 m diameter Bongo net with 330 ?m mesh equipped with flowmeters to determine the volume of filtered water in each trawl ( Muelbert, 2000, 2001). In the first and third cruises, the flowmeter was used only in the net A (Hydrobios cte = 0.263), and thus the values of eggs and larvae obtained for each net were summed to compose the totals of each station, and the filtered volume calculated for the net A used to standardize abundance values per 100 m3 of filtered water. In the second cruise, different flowmeters were used for each net (net A with Ictio2 cte = 0.4537769 and net B with Hydrobios cte = 0.263). As material from both nets was identified, the mean filtered volume by the two nets was used to standardize the abundance of eggs and larvae per 100 m3. Samples were fixed and preserved in formaldehyde solution, buffered with sodium tetraborate, diluted in sea water with a final approximate concentration of 4%.

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	Fish eggs	Fish eggs	#	Muelbert, Jose H
11	Fish larvae	Fish larv	#	Muelbert, Jose H
12	Fish eggs	Fish eggs	#/m³	Muelbert, Jose H	abundance at station
13	Fish larvae	Fish larv	#/m³	Muelbert, Jose H	abundance at station
14	Order	Order		Muelbert, Jose H
15	Family	Family		Muelbert, Jose H
16	Species	Species		Muelbert, Jose H
17	Number of species	Spec No	#	Muelbert, Jose H	of fish eggs
18	Number of species	Spec No	#	Muelbert, Jose H	of fish larvae
19	Fish eggs	Fish eggs	#/m³	Muelbert, Jose H	per species or taxon
20	Fish larvae	Fish larv	#/m³	Muelbert, Jose H	per species or taxon
21	Flag	Flag		Muelbert, Jose H	1 = beginning of new station, 0 = same station as above
22	Method comment	Method comm		Muelbert, Jose H	haul type: OB = oblique trawl
23	DEPTH, water	Depth water	m	Muelbert, Jose H	Geocode – haul depth
24	Method comment	Method comm		Muelbert, Jose H	station type: PKT = plankton trawl station, CTD = CTD station
25	Transect	Transect		Muelbert, Jose H
26	Device type	Device		Muelbert, Jose H

License:

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

Size:

1020 data points

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