Citation:

PANGAEA.964580

Name: Sea urchin population in the Arctic Porsangerfjord
Published: 2024-01-09
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Abundance; Biomass; Porsangerfjord; sea urchin; Stronglyocentrotus pallidus; Strongylocentrotus droebachiensis

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Published: 2024-01-09 • DOI registered: 2024-03-28

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Abstract:

We present in depth data of the sea urchin population in the Arctic Porsangerfjord. Sea urchins were collected by hand from randomly chosen square meters of two present habitats: a sea urchin barren, characterized by stony ground without major algae growth, and the neighbouring kelp forest with a healthy macroalgae community. Both habitats are located near the shoreline of a bay in the Porsangerfjord, called the Holmfjord, and sampling took place in less than 1 m depth at low tide. Sampling was conducted in two consecutive years, summer 2022 and summer 2023. Data collected from the sea urchins includes the test-diameter, freshmass, species and morphotype.

Keyword(s):

Abundance; Biomass; Porsangerfjord; sea urchin; Stronglyocentrotus pallidus; Strongylocentrotus droebachiensis

Project(s):

Arctic Biodiversity & Livelihoods (FACE-IT)

International Science Program for Integrative Research in Earth Systems (AWI_INSPIRES)

Coverage:

Latitude: 70.375000 * Longitude: 25.375000

Date/Time Start: 2022-07-27T00:00:00 * Date/Time End: 2023-08-13T00:00:00

Event(s):

Holmfjord_Porsangerfjord_2022 * Latitude: 70.375000 * Longitude: 25.375000 * Date/Time Start: 2022-07-27T00:00:00 * Date/Time End: 2022-08-03T00:00:00 * Location: Norway * Method/Device: Sampling by hand (HAND) * Comment: Sampling depth: < 1 m

Holmfjord_Porsangerfjord_2023 * Latitude: 70.375000 * Longitude: 25.375000 * Date/Time Start: 2023-08-09T00:00:00 * Date/Time End: 2023-08-13T00:00:00 * Location: Norway * Method/Device: Sampling by hand (HAND) * Comment: Sampling depth: < 1 m

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Year of sampling	Year sampl		Koch, Marie
2	Habitat	Habitat		Koch, Marie		Where the sea urchins were collected.
3	Quadrat number	Quadrat	#	Koch, Marie
4	Species, unique identification	Species UID		Koch, Marie
5	Species, unique identification (Semantic URI)	Species UID (Semantic URI)		Koch, Marie
6	Species, unique identification (URI)	Species UID (URI)		Koch, Marie
7	Color description	Color desc		Koch, Marie
8	Sea urchin, diameter	Sea urchin diam	cm	Koch, Marie	Ruler tape
9	Sea urchin, biomass, wet mass	Sea urchin biom wm	g	Koch, Marie	Analytical balance, Sartorius, B110
10	Comment	Comment		Koch, Marie

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

16054 data points

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