Dataset: Turbulence settlement: fig.8 bootstrap - Royal Soc. Open Sci. (2015)

Name: Data on mean area of juvenile test sizes in sand dollar settlement after turbulence from Bodega Marine Lab in 2014 (Turbulence-spurred settlement project)
Published: 2016-03-15
Keywords: biota, oceans

Cite This Dataset

Project:

Turbulence-spurred settlement: Deciphering a newly recognized class of larval response (Turbulence-spurred settlement)

Principal Investigator:

Brian Gaylord (University of California-Davis, UC Davis-BML)

Co-Principal Investigator:

Dr Matthew Ferner (San Francisco State University, SFSU)

Dr Christopher Lowe (Stanford University - Hopkins, Stanford-HMS)

Contact:

Dr Matthew Ferner (San Francisco State University, SFSU)

BCO-DMO Data Manager:

Nancy Copley (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Version:

2016-03-15

Version Date:

2016-03-15

Restricted:

Validated:

Yes

Current State:

Final no updates expected

Data on mean area of juvenile test sizes in sand dollar settlement after turbulence from Bodega Marine Lab in 2014 (Turbulence-spurred settlement project)

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Description

Figure 8. Precompetent larvae primed by turbulence exposure settle at a smaller size. (a) Mean test area in 12-day-old juveniles (n=49) deriving from turbulence exposure (approx. 2 W kg−1 for 3 min) while precompetent, compared to 15-day-old competent juveniles (n =29) never exposed to turbulence. Shown are standard Tukey box plots with the dots as outliers. Representative 12-day-old turbulence-exposed juvenile (b) and 15-day-old control juvenile (c) from this experiment, photographed at the same magnification. White dotted lines indicate the major and minor axes of the ellipses used to estimate cross-sectional test area. Note also the relatively shorter spines in (b), another indication of the precocious state of these turbulence-induced juveniles. Scale bars, 100μm. The effect size here (mean size on day 15−mean size on day 12) is 19,437 μm2.

See Hodin et al (2015) for full details.

Related Reference:
Hodin J, Ferner MC, Ng G, Lowe CJ, Gaylord B. 2015. Rethinking competence in marine life cycles: ontogenetic changes in the settlement response of sand dollar larvae exposed to turbulence. Royal Society Open Science. 2: 150114. doi: 10.1098/rsos.150114.

Data Processing Description

BCO-DMO Processing:
- added conventional header with dataset name, PI name, version date, reference information
- renamed parameters to BCO-DMO standard
- replaced blank cells with NA (not applicable)

Data Files

File
fig8_bootstrap.csv (Comma Separated Values (.csv), 4.44 KB) MD5:45f4bbcb0bfc1216580cc8f898f3420a Primary data file for dataset ID 640565

More Information about this dataset

Funding Sources

Funding Source	Award Number
NSF Division of Ocean Sciences	OCE-1356966
NSF Division of Ocean Sciences	OCE-1357077
NSF Division of Ocean Sciences	OCE-1357033

Deployments

Deployment	Synonyms	Start Date	Platform	Investigator
Gaylord_Turb-Settlement		2014-06-01	lab Bodega Marine Laboratory		data info

Instruments

Taylor-Couette system

Supplied Name:

Supplied Description:

To generate turbulence intensities (quantified in terms of the energy dissipation rate, in units of Wkg−1) ranging from those found in open ocean waters to those arising on wave-battered coasts, we employed a Taylor–Couette cell [29], an apparatus composed of two vertically oriented, coaxial cylinders separated by a 3.5mm gap that contains seawater (described in greater detail in [1]). We held the stationary inner cylinder, and thus the water in the gap, at 19–21◦C by means of a circulating water stream from a temperature-controlled water bath passing through the cylinder’s interior. During operation, the outer cylinder rotated at a prescribed speed causing relative motion between the cylinders and thereby shearing the seawater between them. At rotation speeds employed for testing sand dollar larvae, the sheared flow was turbulent [1].

[1]Gaylord B, Hodin J, Ferner MC. 2013 Turbulent shear spurs settlement in larval sea urchins. Proc. Natl Acad. Sci. USA 110, 6901–6906. (doi:10.1073/pnas.
1220680110)

Instrument Type

Generic Name: Taylor-Couette system

Generic Description:

An apparatus composed of two vertically oriented, coaxial cylinders separated by a gap that contains seawater. During operation, the outer cylinder rotates at a prescribed speed causing relative motion between the cylinders and thereby shearing the seawater between them.

Parameters

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

Supplied Name	Supplied description	Supplied Units	Standard Name
mean11	mean test area of subsampled juveniles from day 11	um^2	mean
mean14	mean test area of subsampled juveniles from day 14	um^2	mean
pvalue	p value for t statistic	unitless	no_bcodmo_term
replicate	bootstrap subsampling replicate (1-100)	unitless	replicate
se11	standard error of the mean for day 11 juveniles	um^2	std_err
se14	standard error of the mean for day 14 juveniles	um^2	std_err
tstat	t statistic for the day 11 versus 14 comparison in this bootstrap subsample	unitless	no_bcodmo_term

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Database

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Dataset: Turbulence settlement: fig.8 bootstrap - Royal Soc. Open Sci. (2015)