Dataset: Visual Bleaching Scores Summer 2018

Name: Results of the quantification of symbiont cell numbers from 400 Acropora hyacinthus colonies subjected to experimental bleaching in the summer of 2018 in Palau.
Published: 2020-06-23
Keywords: oceans

Cite This Dataset

DOI:10.26008/1912/bco-dmo.813187.1

Spatial Extent: N:7.92908 E:134.66061 S:7.20388 W:134.21919

Temporal Extent: 2018-07-19 - 2018-08-11

Project:

Predicting the global location of heat tolerant corals: Palau patch reefs as a general model (Heat Tolerant Corals)

Lead Principal Investigator:

Stephen R. Palumbi (Stanford University)

BCO-DMO Data Manager:

Christina Haskins (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Version:

Version Date:

2020-06-23

Restricted:

Validated:

Yes

Current State:

Final no updates expected

Results of the quantification of symbiont cell numbers from 400 Acropora hyacinthus colonies subjected to experimental bleaching in the summer of 2018 in Palau.

Abstract:

Results of the quantification of symbiont cell numbers from 400 Acropora hyacinthus colonies subjected to experimental bleaching in the summer of 2018 in Palau.

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Archival Copy

Version Date	Archive	Persistent Identifier	Date Assigned
2020-06-23	Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)	10.26008/1912/bco-dmo.813187.1	2020-07-08

Methods & Sampling

The samples that were analyzed for this study are 400 colonies of Acropora hyacinthus. Nubbins from each colony were experimentally bleached at temperatures of 34, 34.5 and 35 degrees Celsius as well as two control treatments (30 deg. C). Experimental bleaching treatments lasted for 3 hours a day for 2 days (a total of 6 hours). Nubbins from each colony were assessed at the beginning of the experiment before bleaching stress (Day 0), as well as on the subsequent 2 days. Tissue from each colony was preserved for later analysis.

Colonies were sampled from 40 reefs (10 colonies per reef) across the Palauan archipelago. These colonies are tagged and their locations are recorded by GPS. We sampled each colony using garden clippers to break off 5 nubbins that we transported back to the Palau International Coral Reef Center where they were subjected to the experimental procedures outlined above.

Data Processing Description

BCO-DMO Data Manager Processing Notes:
* added a conventional header with dataset name, PI name, version date
* modified parameter names to conform with BCO-DMO naming conventions
* removed Ramp_Started_Day_1 column which contained no data at submitter request.
* converted dates to ISO format.
* Renamed column headers and set types
* blank values in this dataset are displayed as "nd" for "no data." nd is the default missing data identifier in the BCO-DMO system.

Data Files

File
bleaching.csv (Comma Separated Values (.csv), 218.13 KB) MD5:f7fa3198d2f50db3624a768d3418cefa Primary data file for dataset ID 813187

More Information about this dataset

Funding Sources

Funding Source	Award Number
NSF Division of Ocean Sciences	OCE-1736736

Deployments

None available yet

Instruments

None available yet

Parameters

Date and time formats are described in python strftime() syntax.

Supplied Name	Supplied description	Supplied Units	Standard Name
Tank_Number	Tank Number	dimensionless	sample
Cycle_Number	Experimental Round	dimensionless	time_point
Date_Collected	Date Collected in the format YYYY-MM-DD	unitless	date
Reef	Reef Number	dimensionless	sample
Temperature	Temperature Treatment	degrees Celsius	temperature
Colony_Number	Colony Number	dimensionless	sample
Day	Day of Experiment that Colony was Assessed (0,1 or 2)	dimensionless	time_point
Score	Visual Score - N (None), V (Visual), M (Moderate), S (Severe), T (Total), corals falling in between scores were given intermediate scores (e.g. V/M)	text	sample_descrip
Scorer_1	Initials of Scorer 1	unitless	recorder
Scorer_2	Initials of Scorer 2	unitless	recorder
Scorer_3	Initials of Scorer 3 (if applicable)	unitless	recorder