Dataset: Coral calcification rates

Name: Coral calcification rates from experiments conducted on Oahu, Hawaii from December of 2014 to November of 2015
Published: 2017-07-13
Keywords: ocean acidification, climate change, coral bleaching, Kaneohe Bay, Montipora capitata, Porites compressa, oceans

Cite This Dataset

DOI:10.1575/1912/bco-dmo.708338.1

Spatial Extent: N:21.46278 E:-157.693 S:21.335 W:-157.81028

Temporal Extent: 2014-12-03 - 2015-11-14

Project:

Will corals recover from bleaching under ocean acidification conditions? (RAPID Hawaii)

Principal Investigator:

Robert J. Toonen (Hawaii Institute of Marine Biology)

Co-Principal Investigator:

Andréa G. Grottoli (Ohio State University)

Contact:

Dr Christopher P. Jury (Hawaii Institute of Marine Biology)

Robert J. Toonen (Hawaii Institute of Marine Biology)

BCO-DMO Data Manager:

Amber D. York (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Version:

Version Date:

2017-07-13

Restricted:

Release Date:

2018-12-31

Validated:

Yes

Current State:

Final no updates expected

Coral calcification rates from experiments conducted on Oahu, Hawaii from December of 2014 to November of 2015

Abstract:

Coral calcification rates from experiments conducted on Oahu, Hawaii from December of 2014 to November of 2015

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Archival Copy

Version Date	Archive	Persistent Identifier	Date Assigned
2017-07-13	Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)	10.1575/1912/bco-dmo.708338.1	2019-04-26

Description

This dataset contains coral (Porites compressa and Montipora capitata) calcification rates from experiments conducted from December of 2014 to Nov of 2015 on Oahu, Hawaii. Coral nubbins were collected at Kaneohe Bay and Waimanalo Bay, Oahu, HI at a depth 0.5-3 m.

Datasets relevant to this experiment:
* salinity
* pH
* water temperatures
* Total alkalinity

Methods & Sampling

Calcification was assessed via the buoyant weighing technique using a balance precise to +-0.01 g, yielding a precision of calcification estimates of +-1% or better. Corals which died, experienced >25% partial mortality, or Porites which were attacked by the predatory nudibranch Phestilla spp. were dropped from the calcification analysis.

Tank treatments:

Below, "High" or "Low" pH refers to target pH levels. "Fed" or "Unfed" refers to whether the tank was fed zooplankton not.

Tank t1: High pH, Unfed
Tank t2: High pH, Fed
Tank t3: Low pH, Unfed
Tank t4: Low pH, Fed
Tank t5: High pH, Fed
Tank t6: Low pH, Unfed
Tank t7: Low pH, Fed
Tank t8: High pH, Unfed

Location information:

The coral collection sites were the reef around HIMB and the reef adjacent to Kaiona Beach Park in Waimanalo (about 1 mile north of the Makai Pier). The lat/long for the approximate center of the sampling area at each site are as follows, and the sampling at each site was located within about +/- 200 m of that central point:

Kane'ohe Bay: 21.4336 N, -157.7861 W
Waimanalo Bay: 21.3272 N, -157.6811 W

The tank experiments were conducted at the Point Lab on Coconut Island, which is ~18 km from the sampling area in Waimanalo Bay and adjacent to the sampling area in Kane'ohe Bay. The high pH treatment was ambient Kane'ohe Bay seawater chemistry (pH ~7.9-8.0) whereas the target for the low pH treatment was ~0.25 units below ambient.

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
* added ISO Date format generated from Date and Time values
* date and time (local HST) changed to format yyyy-mm-dd
* original file had multiple columns of calcification for every date sampled. Added two columns; date of calcification measurement, and calcification column. Transformed data to fill the two columns and removed all the columns for calcification by date.
* Added coral species name column and combined the data for Porites compressa and Montipora capitata
* rounded calification values to three decimal places
* replaced code KB with "Kaneohe Bay" and WB with "Waimanalo Bay" in the collection location column
* added lat_approx,lon_approx for the two bays

Data Files

File
calcification.csv (Comma Separated Values (.csv), 573.34 KB) MD5:6032e690fdaa8f032fa8c7149d17f5a9 Primary data file for dataset ID 708338

More Information about this dataset

Funding Sources

Funding Source	Award Number
NSF Division of Ocean Sciences	OCE-1514859
NSF Division of Ocean Sciences	OCE-1514861

Deployments

Deployment	Synonyms	Start Date	Platform	Investigator
RAPID_Hawaii_2014_2015		2014-11-17	shoreside Oahu	Robert J. Toonen (Principal Investigator)	data info

Instruments

None available yet

Parameters

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

Supplied Name	Supplied description	Supplied Units	Standard Name
Species	Coral species of nubbin	unitless	species
Tank	Tank identifier for experiment	unitless	treatment
Treatment_pH	Target pH level for tank (High\|Low)	unitless	treatment
Treatment_feed	Target feeding level for tank; either fed zooplankton or unfed (Fed\|Unfed)	unitless	treatment
Date_HST	Local date; Hawaii Standard Time (HST;UTC-10) in format yyyy-mm-dd	unitless	date
Calcification	Calcificaiton rate	milligrams per gram per day (mg/g/d)	calcification
Colony_number	coral colony number;particular coral colony of each species at each site	unitless	sample_descrip
Nubbin_number	Coral nubbin number; an arbitrary numeric (1-12) to individually identify each coral nubbin given colony number; species; and site	unitless	sample_descrip
Bleach_Status_2014	Whether the corals were visibly bleached when collected in 2014 (bleached\|unbleached)	unitless	status
Collection_location	Name of the bay where the coral nubbin was collected	unitless	site
Lat_approx	Approximate latitude of the bay where the coral nubbin was collected	decimal degrees	lat
Lon_approx	Approximate longitude of the bay where the coral nubbin was collected	decimal degrees	lon