http://lod.bco-dmo.org/id/dataset/846964
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
2021-03-29
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Organism counts from photo-transects collected during quantitative benthic surveys in Southwest Puerto Rico at 50 and 70 m during 2018 and 2019
2021-04-13
publication
2021-04-13
revision
Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)
2021-04-13
publication
https://doi.org/10.26008/1912/bco-dmo.846964.1
Nikolaos V. Schizas
University of Puerto Rico - Mayaguez
principalInvestigator
Juan Jose Cruz Motta
University of Puerto Rico - Mayaguez
principalInvestigator
Wilford E. Schmidt
University of Puerto Rico - Mayaguez
principalInvestigator
Clark E. Sherman
University of Puerto Rico - Mayaguez
principalInvestigator
Ernesto F. Weil
University of Puerto Rico - Mayaguez
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: Schizas, N. V., Sherman, C. E., Cruz-Motta, J., Schmidt, W. E., Weil, E. F. (2021) Organism counts from photo-transects collected during quantitative benthic surveys in Southwest Puerto Rico at 50 and 70 m during 2018 and 2019. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2021-04-13 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.846964.1 [access date]
Methods and Sampling: <p>Location: Caribbean Sea, Southwest Puerto Rico, Lat. 17.8849 Long. -67.01546<br />
<br />
Quantitative benthic surveys were made during 2018-2019 at two mesophotic sites El Hoyo (672.460 W, 1752.530 N) and Hole-in-the-Wall (671.330 W, 1753.070N). The two sites are located along the insular slope 11 km south of La Parguera, 44 km to the west.&nbsp; The benthic surveys followed the methodology in Appeldoorn et al. (2015). Diving operations involved a team of three technical divers using closed-circuit rebreathers. Dives were made to target depths of 50 and 70 m at each site. Upon reaching the target depth, divers conducted a continuous high-resolution benthic phototransect 10 m long by 40 cm wide. The photo-transect consisted of 16 sequential quadrat photographs, each 40 x 60 cm. For each 40 x 60 cm digital photograph, benthic taxa (e.g. algae and scleractinian corals) were recorded.<br />
<br />
For each 40 x 60 cm digital photograph, percent cover was calculated by overlaying 100 random points using Coral Point Count with an Excel extension (CPCe) (Kohler and Gill 2006). Identifications associated with the random points were classified into 29 ‘‘taxa’’ that focused primarily on the algae and scleractinian corals as follows: corals (13 spp.), gorgonians, sponges, algae (12 taxa including cyanobacteria), sand and pavement.</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1809878 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1809878
completed
Nikolaos V. Schizas
University of Puerto Rico - Mayaguez
787-248-0057
Department of Marine Sciences Call Box 9000
Mayagüez
PR
00681
US
nikolaos.schizas@upr.edu
pointOfContact
Juan Jose Cruz Motta
University of Puerto Rico - Mayaguez
787-899-2048 ext. 228
Department of Marine Sciences Call Box 9000
Mayagüez
00681
Puerto Rico
juan.cruz13@upr.edu
pointOfContact
Wilford E. Schmidt
University of Puerto Rico - Mayaguez
1-787-899-2048
Department of Marine Sciences Call Box 9000
Mayagüez
PR
00681
USA
wilford.schmidt@upr.edu
pointOfContact
Clark E. Sherman
University of Puerto Rico - Mayaguez
1-787-899-2048
Department of Marine Sciences Call Box 9000
Mayagüez
PR
00681
USA
Juan.cruz13@upr.edu
pointOfContact
Ernesto F. Weil
University of Puerto Rico - Mayaguez
787-899-2048 ext. 241
Department of Marine Sciences P.O. Box 9000
Mayaguez
PR
00681-9000
Puerto Rico
reefpal@gmail.com
pointOfContact
asNeeded
Dataset Version: 1
Unknown
Site
Direction
Transect
Depth
Date
Lat
Lon
Quadrat
Categories
Cover
theme
None, User defined
site
site description
transect
depth
date_local
latitude
longitude
taxon
percent coverage
featureType
BCO-DMO Standard Parameters
Underwater Camera
instrument
BCO-DMO Standard Instruments
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.
The impact of Hurricane Maria on the mesophotic reefs of southwest Puerto Rico
http://www.schizaslab.com/nsf-rapid
The impact of Hurricane Maria on the mesophotic reefs of southwest Puerto Rico
<p>NSF Award Abstract:</p>
<p>Major Hurricane Maria, on 20 September 2017, delivered a devastating blow to the island of Puerto Rico. Both terrestrial and marine ecosystems were heavily impacted. This powerful and rare weather event provides an opportunity to examine the effects of extreme physical forces on coral reefs. The research team will concentrate on the mesophotic reefs or "twilight zone reefs", which rival shallow water coral reefs in diversity and beauty. Mesophotic coral ecosystems are reefs found between 30 and 100 m depth, and are thought to serve as refugia for the declining shallow water coral reefs because they are further removed from anthropogenic and natural disturbances. Hurricane Maria is one of those rare, high-magnitude disturbance events that could affect even those deeper, mesophotic reefs. The investigators are positioned with pre-deployed oceanographic instruments and previously-collected ecological data to measure the effects of Hurricane Maria on the presumably sheltered, mesophotic reefs. The investigators will document the hurricane effects on the reef communities by comparing photographic data from pre-established transects at shallow and mesophotic reefs. Misplaced corals will be used to test the capacity of extreme weather events to shape the population connectivity of key species. Radioisotope analysis will be used to identify the origin of sediments collected from the mesophotic reefs. The investigators will interpret all data described above in light of the physical conditions that were recorded before, during, and after the passage of Hurricane Maria. The project will involve the collaboration of an interdisciplinary team of five researchers and a graduate student from a Hispanic-serving Institution. The investigators will disseminate the results to Natural Resources Management Agencies and will use local media outlets and organize outreach events to inform local communities about the effects of hurricanes on coral reefs.</p>
<p>The landfall of major Hurricane Maria on the south coast of Puerto Rico provides a unique opportunity to examine its impacts on an insular shelf margin reef ecosystem (~25 to 70-80 m depth). The powerful weather system likely triggered major off-shelf transport of sediments, turbidity, terrigenous material and benthic organisms, affecting entire shelf margin benthic ecosystems. It also constitutes a unprecedented natural experiment where coral colonies were likely dislodged and transplanted to deeper areas, allowing to test various hypotheses related the deep refugia model and connectivity between shallow and mesophotic coral reefs. The investigators will assess the ecosystem stability that underlies the deep-reef refuge hypothesis of the insular-slope mesophotic reefs by: a) repeating high resolution photo-transects at pre-established sites at shallow and mesophotic stations, b) documenting the type and extent of displaced/damaged benthic taxa, c) examining the possibility of hurricane-assisted vertical connectivity through the displacement of shallow corals to deeper depths, d) measuring the potential recent input of terrigenous material to mesophotic depths by radioisotope analysis of sediment samples and, e) relating all the above observations to actual physical conditions, which were measured in situ before, during, and after Hurricane Maria.</p>
Hurricane impacts on deep reefs
largerWorkCitation
project
eng; USA
oceans
-67.041
-67.0222
17.8755
17.8845
2018-08-21
2019-10-31
Caribbean Sea, Southwest Puerto Rico, Lat. 17.8849 Long. -67.01546
0
BCO-DMO catalogue of parameters from Organism counts from photo-transects collected during quantitative benthic surveys in Southwest Puerto Rico at 50 and 70 m during 2018 and 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/848962.rdf
Name: Site
Units: units
Description: <p>description</p>
http://lod.bco-dmo.org/id/dataset-parameter/848963.rdf
Name: Direction
Units: unitless
Description: <p>Description</p>
http://lod.bco-dmo.org/id/dataset-parameter/848964.rdf
Name: Transect
Units: unitless
Description: <p>Transect</p>
http://lod.bco-dmo.org/id/dataset-parameter/848965.rdf
Name: Depth
Units: Meters
Description: <p>Depth</p>
http://lod.bco-dmo.org/id/dataset-parameter/848966.rdf
Name: Date
Units: unitless
Description: <p>Date in ISO8601 format yyyy-mm-dd</p>
http://lod.bco-dmo.org/id/dataset-parameter/848967.rdf
Name: Lat
Units: decimal degrees
Description: <p>Latitude for the general area of the site.</p>
http://lod.bco-dmo.org/id/dataset-parameter/848968.rdf
Name: Lon
Units: decimal degrees
Description: <p>Longitude for the general area of the site.</p>
http://lod.bco-dmo.org/id/dataset-parameter/848969.rdf
Name: Quadrat
Units: unitless
Description: <p>Quadrat</p>
http://lod.bco-dmo.org/id/dataset-parameter/848970.rdf
Name: Categories
Units: unitless
Description: <p>Categories of substrate</p>
http://lod.bco-dmo.org/id/dataset-parameter/848971.rdf
Name: Cover
Units: Percent (%)
Description: <p>Percentage of categories</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
635976
https://darchive.mblwhoilibrary.org/bitstream/1912/26946/1/dataset-846964_mesophotic-benthic-organism-counts__v1.tsv
download
https://doi.org/10.26008/1912/bco-dmo.846964.1
download
onLine
dataset
<p>Location: Caribbean Sea, Southwest Puerto Rico, Lat. 17.8849 Long. -67.01546<br />
<br />
Quantitative benthic surveys were made during 2018-2019 at two mesophotic sites El Hoyo (672.460 W, 1752.530 N) and Hole-in-the-Wall (671.330 W, 1753.070N). The two sites are located along the insular slope 11 km south of La Parguera, 44 km to the west.&nbsp; The benthic surveys followed the methodology in Appeldoorn et al. (2015). Diving operations involved a team of three technical divers using closed-circuit rebreathers. Dives were made to target depths of 50 and 70 m at each site. Upon reaching the target depth, divers conducted a continuous high-resolution benthic phototransect 10 m long by 40 cm wide. The photo-transect consisted of 16 sequential quadrat photographs, each 40 x 60 cm. For each 40 x 60 cm digital photograph, benthic taxa (e.g. algae and scleractinian corals) were recorded.<br />
<br />
For each 40 x 60 cm digital photograph, percent cover was calculated by overlaying 100 random points using Coral Point Count with an Excel extension (CPCe) (Kohler and Gill 2006). Identifications associated with the random points were classified into 29 ‘‘taxa’’ that focused primarily on the algae and scleractinian corals as follows: corals (13 spp.), gorgonians, sponges, algae (12 taxa including cyanobacteria), sand and pavement.</p>
Specified by the Principal Investigator(s)
<p>BCO-DMO Data Manager Processing Notes:<br />
* Zip files containing 37 Excel files were unzipped, converted to csv and imported into the BCO-DMO data system.&nbsp; After communication with the submitter the files starting with "Copy of..." were not imported.&nbsp;<br />
* Columns for site latitude and longitude added from coordinates in the metadata.<br />
* Columns added to dataset from information in the file names (Site, Direction, Transect, Depth, Date).&nbsp; Inconsistencies between filename information and metadata written inside the files were discussed with the submitter.<br />
* Data reformatted from 16 Quadrat columns containing cover values&nbsp;to one column for Quadrat number and one column for Cover value (unpivot operation).<br />
* Statistics calculated below the&nbsp;data table in the Excel files were not imported when the data tables were imported into the BCO-DMO data system.&nbsp; Formulas calculating Total" "Mean" and "Standard deviation" of cover for each&nbsp;quadrat&nbsp;were removed.<br />
* Some date values were corrected after communicating with the submitter and the format made consistent (in ISO 8601 format yyyy-mm-dd).<br />
*&nbsp; Redundant data from a source file&nbsp;Total_Hoyo_70m_W142_080219(1).xlsx removed from the dataset.<br />
* Montastrea faveolata in this dataset changed to the accepted synonym Orbicella faveolata which was already used in some files.</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
PI Supplied Instrument Name: Instrument Name: Underwater Camera Instrument Short Name: Instrument Description: All types of photographic equipment that may be deployed underwater including stills, video, film and digital systems. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/180/