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Verse, Leander; Laudien, Jürgen; Häussermann, Verena (2019): Activity states of Primnoella chilensis colonies under sediment exposure of 15 days, Treatment 1, Punta Gruesa [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.906192, In supplement to: Verse, Leander (2019): Response to sedimentation stress of the gorgonian coral Primnoella chilensis from the Chilean fjord region. Bachelor Thesis, Freie Universiät zu Berlin, 35 pp

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Abstract:
To determine behavioural stress, polyp activity states of Primnoella chilensis colonies and the frequency of these states were observed under turbid seawater in an experimental setup for 15 days (Treatment 1: equals sedimentation rate of 225 mm/y; Treatment 2: equals sedimentation rate of 450 mm/y; control group: ambient seawater). A visual overview analysis of colonies of Primnoella chilensis was conducted with the image-viewing program IrfanView. In a defined sector the overall colony activity was assessed and categorized: category 0 = > 50 % of polyps closed; category 1 = > 50 % of polyps semi-open; 2 = > 50 % of polyps open ; x = no data.
Project(s):
Coverage:
Latitude: -42.409833 * Longitude: -72.424333
Date/Time Start: 2019-05-29T18:20:00 * Date/Time End: 2019-06-13T17:20:00
Minimum Elevation: -20.0 m * Maximum Elevation: -20.0 m
Event(s):
Punta_Gruesa_Diver * Latitude: -42.409833 * Longitude: -72.424333 * Elevation: -20.0 m * Location: Comau Fjord, Patagonia, Chile * Method/Device: Sampling by diver (DIVER)
Comment:
This dataset was generated in the frame of the co-operation between the Huinay Scientific Field Station (http://www.huinay.cl) and the Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research (http://www.awi.de).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeVerse, LeanderGeocode
2Colony activityCol actVerse, LeanderIrfanView (IrfanView, Vienna, Austria, version 4.53)colony A
3Colony activityCol actVerse, LeanderIrfanView (IrfanView, Vienna, Austria, version 4.53)colony B
4Colony activityCol actVerse, LeanderIrfanView (IrfanView, Vienna, Austria, version 4.53)colony C
5Colony activityCol actVerse, LeanderIrfanView (IrfanView, Vienna, Austria, version 4.53)colony E
6Colony activityCol actVerse, LeanderIrfanView (IrfanView, Vienna, Austria, version 4.53)colony I
7Colony activityCol actVerse, LeanderIrfanView (IrfanView, Vienna, Austria, version 4.53)colony J
Size:
2160 data points

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