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Title Sum-
Institution Dataset ID
     data   graph     files  public Percent cover and density of sponges at multiple sites in Caribbean and Pacific from shallow
to mesophotic depths
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The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson
attribute NC_GLOBAL acquisition_description String Technical diving with closed circuit rebreathers, transect tapes and quadrats.
attribute NC_GLOBAL awards_0_award_nid String 647902
attribute NC_GLOBAL awards_0_award_number String OCE-1632348
attribute NC_GLOBAL awards_0_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_0_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_0_funding_source_nid String 355
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Sponge density and cover
PI: Michael Lesser
Version: 2018-11-04
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.3 19 Dec 2019
attribute NC_GLOBAL date_created String 2018-11-20T13:59:42Z
attribute NC_GLOBAL date_modified String 2019-07-11T18:20:54Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.749941.1
attribute NC_GLOBAL Easternmost_Easting double -76.1
attribute NC_GLOBAL geospatial_lat_max double 23.7667
attribute NC_GLOBAL geospatial_lat_min double 7.0843
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -76.1
attribute NC_GLOBAL geospatial_lon_min double -134.2553
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 150.0
attribute NC_GLOBAL geospatial_vertical_min double 1.0
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/749941 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL keywords String abundance, Abundance_SE, bco, bco-dmo, biological, chemical, cover, data, dataset, depth, dmo, erddap, latitude, longitude, management, notes, oceanography, office, percent, Percent_Cover, Percent_Cover_SE, preliminary, site
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/749941/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/749941 (external link)
attribute NC_GLOBAL Northernmost_Northing double 23.7667
attribute NC_GLOBAL param_mapping String {'749941': {'Lat_N': 'master - latitude', 'Depth': 'master - depth', 'Lon_E': 'master - longitude'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/749941/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String University of New Hampshire
attribute NC_GLOBAL people_0_affiliation_acronym String UNH
attribute NC_GLOBAL people_0_person_name String Dr Michael P. Lesser
attribute NC_GLOBAL people_0_person_nid String 645511
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_1_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_1_person_name String Mathew Biddle
attribute NC_GLOBAL people_1_person_nid String 708682
attribute NC_GLOBAL people_1_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_1_role_type String related
attribute NC_GLOBAL project String MCESponge
attribute NC_GLOBAL projects_0_acronym String MCESponge
attribute NC_GLOBAL projects_0_description String NSF Award Abstract:
Coral reefs are well known biodiversity hotspots of considerable interest to the public and scientific community. Reefs around the world are currently under threat from multiple factors such as pollution, coastal development, overfishing and climate change, where both the warming and acidification of tropical waters contributes to the loss of coral reefs and the many services they provide for us, such as protection from hurricane damage. Many studies are focused on corals, the conspicuously dominant group of organisms on many coral reefs, but other organisms are also important. One group, sponges, are essential for healthy reef function as they provide food and homes for many other reef organisms, they dramatically effect the nutrient cycles on reefs, and they synthesize important compounds of interest to the biomedical community. An emerging area of coral reef science is the study of deep reefs at depths greater than 30 meters. These coral reef systems, known as mesophotic coral reef ecosystems, were largely inaccessible until the transfer of technical diving approaches to the scientific community. In this project the investigators will study sponge populations from 3 meters to over 100 meters to examine their ability to utilize both dissolved and particulate food sources that may help explain increasing sponge biodiversity and growth rates with increasing depth. This project will provide training opportunities for undergraduate and graduate students as well as veterans and post-doctoral researchers, especially from underrepresented groups. Additionally, the investigators will develop unique outreach programs for public education.
Sponges are ubiquitous members of Caribbean coral reef communities, where they have multiple roles. There is evidence accumulating that sponge populations are increasing as coral cover declines due to anthropogenic and natural factors. Trophic interactions play crucial roles in controlling the distributions of species and community structure; however, the relative importance of top-down (predation) and bottom-up (nutrient resources) control of populations remains a hotly debated topic. Recently, it has been proposed that sponges consume large amounts of dissolved organic carbon (DOC) and release large numbers of choanocytes that fuel a "sponge loop" detrital pathway of significance to higher trophic levels. A largely overlooked, but clearly stated, requirement for the "sponge-loop" hypothesis to be broadly generalizable is that sponges must exhibit little, or no, net growth as the only way to balance the loss of carbon in the form of choanocytes (=detritus), with the intake of both particulate organic carbon (POC) and DOC; however, sponges do grow. Additionally, on both shallow and mesophotic coral reefs (MCEs: 3-150m depth), there is a strong vertical gradient in bacterioplankton resources on which sponges feed, and enhanced growth in the presence of spongivory argues for the importance of particulate organic carbon (POC). Missing so far in this discussion is the important role of dissolved and particulate organic nitrogen (DON/PON) that would be essential for sponge growth on coral reefs. This proposal has two goals: 1) quantify the DOC/POC and DON/PON resources available across the shallow to mesophotic depth gradient that has never been done before, and 2) quantify the depth dependence on these resources by a broad taxonomic representation of sponges that also includes multiple life-history strategies across shallow to mesophotic depths. To accomplish this second task the investigators will conduct studies on the growth of sponges from shallow to mesophotic depths to tease apart the independent and interactive roles of DOC/POC and DON/PON in sponge growth. They will also construct carbon, nitrogen and energetic budgets for sponges utilizing these resources. The project will provide the first comprehensive inventory of DOC/POC and DON/PON on several coral reefs. This will be complemented by studies of feeding and growth across the shallow to mesophotic depth gradient. With continuing changes in the community structure of both shallow and mesophotic reefs, understanding whether we can predict, using models of ecosystem function, which reefs will undergo transitions to sponge dominated communities and what factors contribute to these transitions, will be of use to local marine resource managers. These data will also inform the broader field of marine ecology, as well as provide new insights into mesophotic reef structure and function. Finally, sponge samples collected from mesophotic coral reefs often represent new species and they will be made available to scientists upon request.
attribute NC_GLOBAL projects_0_end_date String 2019-08
attribute NC_GLOBAL projects_0_geolocation String Curacao, Cayman Islands
attribute NC_GLOBAL projects_0_name String Collaborative Research: Sponge Growth is Nitrogen Limited over the Shallow to Mesophotic Depth Gradient
attribute NC_GLOBAL projects_0_project_nid String 647904
attribute NC_GLOBAL projects_0_start_date String 2016-09
attribute NC_GLOBAL publisher_name String Biological and Chemical Oceanographic Data Management Office (BCO-DMO)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 7.0843
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Percent cover and density of sponges at multiple sites in Caribbean and Pacific from shallow to mesophotic depths.
attribute NC_GLOBAL title String Percent cover and density of sponges at multiple sites in Caribbean and Pacific from shallow to mesophotic depths
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -134.2553
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable site   String  
attribute site bcodmo_name String site
attribute site description String Name of the site
attribute site long_name String Site
attribute site units String unitless
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 7.0843, 23.7667
attribute latitude axis String Y
attribute latitude bcodmo_name String latitude
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude description String latitude in degrees North
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LATX/ (external link)
attribute latitude source_name String Lat_N
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -134.2553, -76.1
attribute longitude axis String X
attribute longitude bcodmo_name String longitude
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude description String longitude in degrees East
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LONX/ (external link)
attribute longitude source_name String Lon_E
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable Notes   String  
attribute Notes bcodmo_name String comment
attribute Notes description String additional comments about the data
attribute Notes long_name String Notes
attribute Notes units String unitless
variable depth   double  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 1.0, 150.0
attribute depth axis String Z
attribute depth bcodmo_name String depth
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth description String depth of observation
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/DEPH/ (external link)
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable Percent_Cover   float  
attribute Percent_Cover _FillValue float NaN
attribute Percent_Cover actual_range float 0.0, 80.0
attribute Percent_Cover bcodmo_name String cover_pcent
attribute Percent_Cover colorBarMaximum double 100.0
attribute Percent_Cover colorBarMinimum double 0.0
attribute Percent_Cover description String Jamaica W-Z; Jamaica M; Bahamas BA: Percent cover is defined by these authors as Percent Cover of Available Substrate calculated from 0.2 m^2 photoquadrats. Bahamas Bock Wall; Little Cayman Rock Bottom Wall; Palau Turtle Cove: Percent cover are per m^2
attribute Percent_Cover long_name String Percent Cover
attribute Percent_Cover units String variable
variable Percent_Cover_SE   float  
attribute Percent_Cover_SE _FillValue float NaN
attribute Percent_Cover_SE actual_range float 0.0, 8.08
attribute Percent_Cover_SE bcodmo_name String cover_pcent
attribute Percent_Cover_SE colorBarMaximum double 100.0
attribute Percent_Cover_SE colorBarMinimum double 0.0
attribute Percent_Cover_SE description String Standard error of percent cover
attribute Percent_Cover_SE long_name String Percent Cover SE
attribute Percent_Cover_SE units String percent (%)
variable Abundance   float  
attribute Abundance _FillValue float NaN
attribute Abundance actual_range float 0.21, 6.33
attribute Abundance bcodmo_name String abundance
attribute Abundance description String Abundance of sponges
attribute Abundance long_name String Abundance
attribute Abundance nerc_identifier String https://vocab.nerc.ac.uk/collection/P03/current/B070/ (external link)
attribute Abundance units String per meter squared (m^-2)
variable Abundance_SE   float  
attribute Abundance_SE _FillValue float NaN
attribute Abundance_SE actual_range float 0.06, 0.98
attribute Abundance_SE bcodmo_name String abundance
attribute Abundance_SE description String Standard error of the abundance of sponges
attribute Abundance_SE long_name String Abundance SE
attribute Abundance_SE nerc_identifier String https://vocab.nerc.ac.uk/collection/P03/current/B070/ (external link)
attribute Abundance_SE units String per meter squared (m^-2)

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.

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