Citation:

PANGAEA.982700

Name: Macrozooplankton and micronekton abundance (Multinet Maxi) during POSEIDON cruise POS520
Published: 2025-06-06
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Cabo Verde; micronekton; Multinet; Pelagic tunicate; Zooplankton abundance

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Published: 2025-06-06 • DOI registered: 2025-07-05

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Abstract:

Depth stratified samples were collected during RV Poseidon cruise POS520 using a Hydrobios Multinet Maxi (0.5m2 net opening, 9 nets, 2mm mesh size) during oblique tows at a speed of 2-3kn. The net was equipped with flowmeters. Samples were preserved in 4% formaldehzde in seawater solution. In the lab, the wet weight of the total sample was determined and individuals were identified and counted. We report volume-specific higher taxon abundance (ind/100m3) for each depth layer.

Keyword(s):

Cabo Verde; micronekton; Multinet; Pelagic tunicate; Zooplankton abundance

Project(s):

The role of pelagic foodfalls in subsidizing deep-sea bottom communities in a changing ocean (PelagicFoodfalls)

Funding:

German Research Foundation (DFG), grant/award no. 382101453 : The role of pelagic foodfalls in subsidizing deep-sea bottom communities in a changing ocean

Coverage:

Median Latitude: 16.327562 * Median Longitude: -24.819042 * South-bound Latitude: 14.659167 * West-bound Longitude: -25.509500 * North-bound Latitude: 17.590000 * East-bound Longitude: -24.281333

Date/Time Start: 2018-02-17T23:45:00 * Date/Time End: 2018-02-28T10:33:00

Minimum Elevation: -4192.0 m * Maximum Elevation: -1033.0 m

Event(s):

POS520_17-7 * Latitude Start: 16.975540 * Longitude Start: -25.353600 * Latitude End: 16.947560 * Longitude End: -25.357860 * Date/Time Start: 2018-02-17T23:43:00 * Date/Time End: 2018-02-18T01:04:00 * Elevation Start: -1047.0 m * Elevation End: -1328.0 m * Campaign: * Basis: * Method/Device: Multiple opening/closing net (MSN)

POS520_20-1 * Latitude Start: 16.972470 * Longitude Start: -25.345050 * Latitude End: 16.934530 * Longitude End: -25.347900 * Date/Time Start: 2018-02-18T13:38:00 * Date/Time End: 2018-02-18T15:20:00 * Elevation Start: -1033.0 m * Elevation End: -1243.0 m * Campaign: * Basis: * Method/Device: Multiple opening/closing net (MSN)

POS520_29-1 * Latitude Start: 16.861360 * Longitude Start: -25.510600 * Latitude End: 16.740430 * Longitude End: -25.473290 * Date/Time Start: 2018-02-20T18:22:00 * Date/Time End: 2018-02-20T22:02:00 * Elevation Start: -2651.0 m * Elevation End: -3299.0 m * Campaign: * Basis: * Method/Device: Multiple opening/closing net (MSN)

Parameter(s):

#	Name	Short Name	Unit	Comment
1	Event label	Event
2	Sample code/label	Sample label
3	DATE/TIME	Date/Time		Geocode
4	LATITUDE	Latitude		Geocode
5	LONGITUDE	Longitude		Geocode
6	Depth, top/min	Depth top	m
7	Depth, bottom/max	Depth bot	m
8	Time of day	Time of day		day/night (D/N)
9	Station label	Station
10	Sample volume	Samp vol	m³
11	Mass	Mass	g
12	Biomass, wet mass per volume	Biom wm	mg/m³
13	Zooplankton	Zoopl	#/m³	chaetogtha [#/m**3]
14	Euphausiacea	Euphaus	#/m³
15	Decapoda	Decapoda	#/m³
16	Mysidacea	Mysidacea	#/m³
17	Amphipoda	Amphipoda	#/m³
18	Copepoda	Copepoda	#/m³
19	Ostracoda	Ostrac	#/m³
20	Zooplankton	Zoopl	#/m³	crustacea_other [#/m**3]
21	Zooplankton	Zoopl	#/m³	myctophidae [#/m**3]
22	Gonostomatidae	Gonostomatidae	#/m³
23	Zooplankton	Zoopl	#/m³	phosichthyidae [#/m**3]
24	Zooplankton	Zoopl	#/m³	sternoptychidae [#/m**3]
25	Zooplankton	Zoopl	#/m³	fish_other [#/m**3]
26	Appendicularia	Appendic	#/m³
27	Zooplankton	Zoopl	#/m³	juvenile tunicate [#/m**3]
28	Zooplankton	Zoopl	#/m³	pyrosoma atlantica [#/m**3]
29	Zooplankton	Zoopl	#/m³	pyrosoma larva [#/m**3]
30	Doliolida	Doliolida	#/m³
31	Salpidae	Salpidae	#/m³
32	Comment	Comment
33	Description	Description
34	File name	File name

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

2042 data points

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