http://lod.bco-dmo.org/id/dataset/855766
eng; USA
utf8
dataset
Highest level of data collection, from a common set of sensors or instrumentation, usually within the same research project
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
2021-07-15
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Counts of individuals and cell division for 100 Plexaura homomalla embryos from fertilization to 24 hours after fertilization from adult corals collected in Round Bay, St. John, USVI in July of 2019
2021-07-15
publication
2021-07-15
revision
Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)
2021-09-14
publication
https://doi.org/10.26008/1912/bco-dmo.855766.1
Howard Lasker
State University of New York at Buffalo
principalInvestigator
Kaitlyn Tonra
State University of New York at Buffalo
principalInvestigator
Christopher Wells
State University of New York at Buffalo
principalInvestigator
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
publisher
Cite this dataset as: Tonra, K., Wells, C., Lasker, H. (2021) Counts of individuals and cell division for 100 Plexaura homomalla embryos from fertilization to 24 hours after fertilization from adult corals collected in Round Bay, St. John, USVI in July of 2019. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2021-07-15 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.855766.1 [access date]
Methods and Sampling: <p>Methodology:&nbsp;<br />
<br />
Eleven female and four male branches of <em>Plexaura homomalla </em>were collected from adult colonies on an octocoral-dominated reef in Round Bay, St. John, USVI on July 14–15, 2019. All branches were about 15 cm long. Colonies were determined to be gravid in the field by cutting a 5-cm piece diagonally and looking for spermaries or eggs. Colonies were transported to the Virgin Islands Environmental Research Station and maintained in a sea table.</p>
<p>We monitored for signs of spawning for 5 hr starting at sunset starting one night after the full moon from July 17–23, 2019. Eggs and sperm were collected together with 60- mL syringes as they were released from the colonies and were stored in water from the tank for 30 min to ensure fertilization. We refer to the time at which gametes were collected as t = 0. On the second night of spawning, 100 eggs were placed in an isolated container and the number of cells was counted in triplicate by two different observers. Counts were taken every 0.5 hr from 2.5 to 7 hr after fertilization, hourly until 10 h after fertilization, and at 15, 18, and 24 hr after fertilization.<br />
<br />
Instruments:&nbsp;<br />
dissecting microscope, hand lens</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1756381 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1756381
completed
Howard Lasker
State University of New York at Buffalo
716-645-4870
Department of Geology 126 Cooke Hall
Buffalo
NY
14260-1350
USA
hlasker@buffalo.edu
pointOfContact
Kaitlyn Tonra
State University of New York at Buffalo
kjtonra@gmail.com
pointOfContact
Christopher Wells
State University of New York at Buffalo
christopher.wells.23@gmail.com
pointOfContact
asNeeded
Dataset Version: 1
Unknown
container
start_time
end_time
time
date
cell_1
cell_2
cell_4
cell_8
cell_16
cell_32
cell_64
total
ISO_DateTime_UTC_Start
theme
None, User defined
sample description
time_local
time_elapsed
date_local
count
ISO_DateTime_UTC
featureType
BCO-DMO Standard Parameters
otherRestrictions
otherRestrictions
Access Constraints: none. Use Constraints: Please follow guidelines at: http://www.bco-dmo.org/terms-use Distribution liability: Under no circumstances shall BCO-DMO be liable for any direct, incidental, special, consequential, indirect, or punitive damages that result from the use of, or the inability to use, the materials in this data submission. If you are dissatisfied with any materials in this data submission your sole and exclusive remedy is to discontinue use.
Collaborative Research: Pattern and process in the abundance and recruitment of Caribbean octocorals
https://osprey.bco-dmo.org/project/752508
Collaborative Research: Pattern and process in the abundance and recruitment of Caribbean octocorals
<p><em>NSF Award Abstract:</em><br />
Coral reefs are exposed to a diversity of natural and anthropogenic disturbances, and the consequences for ecosystem degradation have been widely publicized. However, the reported changes have been biased towards fishes and stony corals, and for Caribbean reefs, the most notable example of this bias are octocorals ("soft corals"). Although they are abundant and dominate many Caribbean reefs, they are rarely included in studies due to the difficulty of both identifying them and in quantifying their abundances. In some places there is compelling evidence that soft corals have increased in abundance, even while stony corals have become less common. This suggests that soft corals are more resilient than stony corals to the wide diversity of disturbances that have been impacting coral corals. The best coral reefs on which to study these changes are those that have been studied for decades and can provide a decadal context to more recent events, and in this regard the reefs of St. John, US Virgin Islands are unique. Stony corals on the reefs have been studied since 1987, and the soft corals from 2014. This provides unrivalled platform to evaluate patterns of octocoral abundance and recruitment; identify the patterns of change that are occurring on these reefs, and identify the processes responsible for the resilience of octocoral populations. The project will extend soft coral monitoring from 4 years to 8 years, and within this framework will examine the roles of baby corals, and their response to seafloor roughness, seawater flow, and seaweed, in determining the success of soft corals. The work will also assess whether the destructive effects of Hurricanes Irma and Maria have modified the pattern of change. In concert with these efforts the project will be closely integrated with local high schools at which the investigators will host marine biology clubs and provide independent study opportunities for their students and teachers. Unique training opportunities will be provided to undergraduate and graduate students, as well as a postdoctoral researcher, all of whom will study and work in St. John, and the investigators will train coral reef researchers to identify the species of soft corals through a hands-on workshop to be conducted in the Florida Keys.</p>
<p>Understanding how changing environmental conditions will affect the community structure of major biomes is the ecological objective defining the 21st century. The holistic effects of these conditions on coral reefs will be studied on shallow reefs within the Virgin Islands National Park in St. John, US Virgin Islands, which is the site of one of the longest-running, long-term studies of coral reef community dynamics in the region. With NSF-LTREB support, the investigators have been studying long-term changes in stony coral communities in this location since 1987, and in 2014 NSF-OCE support was used to build an octocoral "overlay" to this decadal perspective. The present project extends from this unique history, which has been punctuated by the effects of Hurricanes Irma and Maria, to place octocoral synecology in a decadal context, and the investigators exploit a rich suite of legacy data to better understand the present and immediate future of Caribbean coral reefs. This four-year project will advance on two concurrent fronts: first, to extend time-series analyses of octocoral communities from four to eight years to characterize the pattern and pace of change in community structure, and second, to conduct a program of hypothesis-driven experiments focused on octocoral settlement that will uncover the mechanisms allowing octocorals to more effectively colonize substrata than scleractinian corals on present day reefs. Specifically, the investigators will conduct mensurative and manipulative experiments addressing four hypotheses focusing on the roles of: (1) habitat complexity in distinguishing between octocoral and scleractinian recruitment niches, (2) the recruitment niche in mediating post-settlement success, (3) competition in algal turf and macroalgae in determining the success of octocoral and scleractian recruits, and (4) role of octocoral canopies in modulating the flux of particles and larvae to the seafloor beneath. The results of this study will be integrated to evaluate the factors driving higher ecological resilience of octocorals versus scleractinians on present-day Caribbean reefs.</p>
<p>This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.</p>
Octocoral Community Dynamics
largerWorkCitation
project
eng; USA
oceans
-64.681
-64.681
18.345
18.345
2019-07-20
2019-07-20
St. John, US Virgin Islands
0
BCO-DMO catalogue of parameters from Counts of individuals and cell division for 100 Plexaura homomalla embryos from fertilization to 24 hours after fertilization from adult corals collected in Round Bay, St. John, USVI in July of 2019
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
http://lod.bco-dmo.org/id/dataset-parameter/855822.rdf
Name: container
Units: unitless
Description: <p>monitoring dish containing the eggs (either A or B). after hour 7, containers A and B were split to ease tracking of developing eggs (A1 and A2 or B1 and B2)</p>
http://lod.bco-dmo.org/id/dataset-parameter/855823.rdf
Name: start_time
Units: unitless
Description: <p>start time of that counting period in format HH:MM (in Atlantic Standard time zone, UTC-4)</p>
http://lod.bco-dmo.org/id/dataset-parameter/855824.rdf
Name: end_time
Units: unitless
Description: <p>end time for that counting period in format HH:MM (in Atlantic Standard time zone, UTC-4)</p>
http://lod.bco-dmo.org/id/dataset-parameter/855825.rdf
Name: time
Units: unitless
Description: <p>time relative to the average time corals were spawning and eggs were fertilized (i.e., 22:08) in hours</p>
http://lod.bco-dmo.org/id/dataset-parameter/855826.rdf
Name: date
Units: unitless
Description: <p>date of observation (Altantic Standard Time, UTC-4)</p>
http://lod.bco-dmo.org/id/dataset-parameter/855827.rdf
Name: cell_1
Units: unitless
Description: <p>number of eggs/embryos that were 1 cell</p>
http://lod.bco-dmo.org/id/dataset-parameter/855828.rdf
Name: cell_2
Units: unitless
Description: <p>number embryos that were 2 cells</p>
http://lod.bco-dmo.org/id/dataset-parameter/855829.rdf
Name: cell_4
Units: unitless
Description: <p>number embryos that were 4 cells</p>
http://lod.bco-dmo.org/id/dataset-parameter/855830.rdf
Name: cell_8
Units: unitless
Description: <p>number embryos that were 8 cells</p>
http://lod.bco-dmo.org/id/dataset-parameter/855831.rdf
Name: cell_16
Units: unitless
Description: <p>number embryos that were 16 cells</p>
http://lod.bco-dmo.org/id/dataset-parameter/855832.rdf
Name: cell_32
Units: unitless
Description: <p>number embryos that were 32 cells</p>
http://lod.bco-dmo.org/id/dataset-parameter/855833.rdf
Name: cell_64
Units: unitless
Description: <p>number embryos that were 64 or more cells</p>
http://lod.bco-dmo.org/id/dataset-parameter/855834.rdf
Name: total
Units: unitless
Description: <p>total number of eggs/embryos</p>
http://lod.bco-dmo.org/id/dataset-parameter/855835.rdf
Name: ISO_DateTime_UTC_Start
Units: unitless
Description: <p>start Datetime of that counting period in ISO 8601 format yyyy-mm-ddTHH:MMZ (UTC).</p>
GB/NERC/BODC > British Oceanographic Data Centre, Natural Environment Research Council, United Kingdom
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
3190
https://darchive.mblwhoilibrary.org/bitstream/1912/27551/1/dataset-855766_p-homomalla-development-coarse__v1.tsv
download
https://doi.org/10.26008/1912/bco-dmo.855766.1
download
onLine
dataset
<p>Methodology:&nbsp;<br />
<br />
Eleven female and four male branches of <em>Plexaura homomalla </em>were collected from adult colonies on an octocoral-dominated reef in Round Bay, St. John, USVI on July 14–15, 2019. All branches were about 15 cm long. Colonies were determined to be gravid in the field by cutting a 5-cm piece diagonally and looking for spermaries or eggs. Colonies were transported to the Virgin Islands Environmental Research Station and maintained in a sea table.</p>
<p>We monitored for signs of spawning for 5 hr starting at sunset starting one night after the full moon from July 17–23, 2019. Eggs and sperm were collected together with 60- mL syringes as they were released from the colonies and were stored in water from the tank for 30 min to ensure fertilization. We refer to the time at which gametes were collected as t = 0. On the second night of spawning, 100 eggs were placed in an isolated container and the number of cells was counted in triplicate by two different observers. Counts were taken every 0.5 hr from 2.5 to 7 hr after fertilization, hourly until 10 h after fertilization, and at 15, 18, and 24 hr after fertilization.<br />
<br />
Instruments:&nbsp;<br />
dissecting microscope, hand lens</p>
Specified by the Principal Investigator(s)
<p>BCO-DMO data manager processing notes:</p>
<p>* Data from file NSF.Phomomalla_development_coarse_monitoring.xlsx sheet "data" imported into the BCO-DMO data system.<br />
* Added column ISO_DateTime_UTC_Start from times and dates provided in local time UTC-4.</p>
Specified by the Principal Investigator(s)
asNeeded
7.x-1.1
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact