Citation:

PANGAEA.929888

Name: Organic matter and elemental composition of gelatinous and soft-bodied zooplankton in the Northeast Pacific
Published: 2021-03-30
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Ctenophores; Doliolids; Gastropods; Jellyfish; Salish Sea; salps

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Abstract:

Gelatinous and soft-bodied zooplankton (GZ) have long been considered to have low energetic value and are insufficient to sustain higher trophic levels. However, the nutritional composition of GZ is often poorly known for entire groups, ignoring species-, size- and stage-specific differences. Organic matter and elemental composition (carbon and nitrogen) were measured for more than 1000 specimens from 34 GZ species collected in the Northeast Pacific between 2014-2020 using a variety of nets (CanTrawl250, Bongo net, Juday net, Multinet Medi, Dip net, Midwater trawl, Neuston net). Size-dependent variability was shown for several species. Differences in organic content and elemental composition by development stage were observed in a salp and scyphomedusa species, highlighting the need to consider life cycle stages separately.

Keyword(s):

Ctenophores; Doliolids; Gastropods; Jellyfish; Salish Sea; salps

Supplement to:

Lüskow, Florian; Galbraith, Moira D; Hunt, Brian P V; Perry, R Ian; Pakhomov, Evgeny A (2021): Gelatinous and soft-bodied zooplankton in the Northeast Pacific Ocean: Organic, elemental, and energy contents. Marine Ecology Progress Series, 665, 19-35, https://doi.org/10.3354/meps13663

Coverage:

Median Latitude: 49.903488 * Median Longitude: -130.507615 * South-bound Latitude: 46.360000 * West-bound Longitude: -147.500660 * North-bound Latitude: 54.570000 * East-bound Longitude: -123.185278

Minimum DEPTH, water: 0 m * Maximum DEPTH, water: 2000 m

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Species	Species		Lüskow, Florian
2	Station label	Station		Lüskow, Florian
3	LATITUDE	Latitude		Lüskow, Florian		Geocode
4	LONGITUDE	Longitude		Lüskow, Florian		Geocode
5	Identification	ID		Lüskow, Florian
6	DEPTH, water	Depth water	m	Lüskow, Florian		Geocode – min
7	DEPTH, water	Depth water	m	Lüskow, Florian		Geocode – max
8	Number of individuals	Ind No	#	Lüskow, Florian
9	Duration	Duration	h	Lüskow, Florian	Edwards Modulyo Freeze Dryer (Oakville, Ontario, CA)
10	Parameter	Parameter		Lüskow, Florian		Size
11	Size	Size	mm	Lüskow, Florian	Measured using callipers
12	Wet mass	Wet m	g	Lüskow, Florian	Weighted
13	Tissue, dry mass	Tis DM	mg	Lüskow, Florian	Weighted
14	Dry mass per individual	dm/ind	mg/#	Lüskow, Florian	Calculated
15	Ash mass	Ash m	mg	Lüskow, Florian	Muffel furnace, 500 °C, LOI	24 h
16	Ash mass per individual	Ash m/ind	mg/#	Lüskow, Florian	Calculated
17	Ash free dry mass	afdm	mg	Lüskow, Florian	Calculated
18	Biomass, ash free dry mass per individual	BIOM afdm	mg/#	Lüskow, Florian	Calculated
19	Biomass, ash free dry mass	Biom afdm	%	Lüskow, Florian	Calculated
20	Nitrogen, total	TN	%	Lüskow, Florian	Carbon and nitrogen and sulfur (CNS) isotope element analyzer, Elementar, Vario Micro Cube
21	Carbon, total	TC	%	Lüskow, Florian	Carbon and nitrogen and sulfur (CNS) isotope element analyzer, Elementar, Vario Micro Cube
22	Carbon/Nitrogen ratio	C/N		Lüskow, Florian	Calculated
23	Sample type	Samp type		Lüskow, Florian
24	Life stage	Life stage		Lüskow, Florian	Visual identification (VID)

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

8823 data points

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