Citation:

fbn002

Name: (Table 1) Physical oceanography during Lance cruise LA99/2 in the marginal ice zone of the Barents Sea
Published: 2008
License: https://creativecommons.org/licenses/by/3.0/

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Abstract:

Zooplankton was studied on eight stations in the marginal ice zone (MIZ) of the Barents Sea, in May 1999, along two transects across the ice edge. On each station, physical background measurements and zooplankton samples were taken every 6 h over a 24 h period at five discrete depth intervals. Cluster analysis revealed separation of open water stations from all ice stations as well as high similarity level among replicates belonging to particular station. Based on five replicates per station, analysis of variance (ANOVA) confirmed significant differences (P < 0.05) in abundances of the main mesozooplankton taxa among stations. Relations between the zooplankton community and environmental parameters were established using redundancy analysis (CANOCO). In total, 55% of mesozooplankton variability within studied area was explained by eight variables with significant conditional effects: depth stratum, fluorescence, temperature, salinity, bottom depth, latitude, bloom situation, and ice concentration. GLM models supported supposition about clear and negative relationship between concentration of Oithona similis, and overall mesozooplankton diversity The analyses showed a dynamic relationship between mesozooplankton distribution and hydrological conditions on short-term scale. Furthermore, our study demonstrated that variability in the physical environment of dynamic MIZ of the Barents Sea has measurable effect on the Arctic pelagic ecosystem.

Project(s):

International Polar Year (2007-2008) (IPY)

Coverage:

Median Latitude: 76.852750 * Median Longitude: 30.241500 * South-bound Latitude: 76.050000 * West-bound Longitude: 26.880000 * North-bound Latitude: 77.520000 * East-bound Longitude: 33.530000

Date/Time Start: 1999-05-09T00:00:00 * Date/Time End: 1999-05-21T00:00:00

Minimum Elevation: -317.0 m * Maximum Elevation: -128.0 m

Event(s):

LA99/2_A31 * Latitude: 76.920000 * Longitude: 32.920000 * Date/Time: 1999-05-09T00:00:00 * Elevation: -162.0 m * Location: Barents Sea * Campaign: * Basis: Lance * Method/Device: (CTD-R)

LA99/2_A33 * Latitude: 76.820000 * Longitude: 32.820000 * Date/Time: 1999-05-11T00:00:00 * Elevation: -191.0 m * Location: Barents Sea * Campaign: * Basis: Lance * Method/Device: (CTD-R)

LA99/2_A34 * Latitude: 76.640000 * Longitude: 32.890000 * Date/Time: 1999-05-12T00:00:00 * Elevation: -182.0 m * Location: Barents Sea * Campaign: * Basis: Lance * Method/Device: (CTD-R)

Comment:

Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event
2	Sample ID	Sample ID		Blachowiak-Samolyk, Katarzyna		replicate no.
3	DATE/TIME	Date/Time				Geocode
4	Temperature, water	Temp	°C	Blachowiak-Samolyk, Katarzyna	CTD, Sea-Bird SBE 911plus	mean for zooplankton sampling layers
5	Salinity	Sal		Blachowiak-Samolyk, Katarzyna	CTD, Sea-Bird SBE 911plus	in psu; mean for zooplankton sampling layers
6	Fluorescence	Fluorescence	arbitrary units	Blachowiak-Samolyk, Katarzyna	CTD, Sea-Bird SBE 911plus
7	Depth, bottom/max	Depth bot	m	Blachowiak-Samolyk, Katarzyna
8	LATITUDE	Latitude				Geocode
9	LONGITUDE	Longitude				Geocode
10	Classification	Classification	#	Blachowiak-Samolyk, Katarzyna		bloom rank: 0 = non-bloom, 1 = pre-bloom, 1.5 to 2.5 = bloom, 3 = late bloom
11	Ice coverage	Ice cov	%	Blachowiak-Samolyk, Katarzyna

License:

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

Size:

271 data points

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