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     data   graph     files  public [Antillogorgia americana Monthly Surveys] - Number and size of gonads found in monthly
samples of Antillogorgia americana colonies at a study site in the San Blas Islands, Panama
from July 1990 to August 1991 (Collaborative Research: Pattern and process in the abundance
and recruitment of Caribbean octocorals)
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The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String Other
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_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.918010.1
attribute NC_GLOBAL Easternmost_Easting double -78.9583
attribute NC_GLOBAL geospatial_lon_max double -78.9583
attribute NC_GLOBAL geospatial_lon_min double -78.9583
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/918010 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL summary String The reproductive biology of the branching octocoral Antillogorgia americana was studied at a site on the Caribbean coast of Panama in 1990-1991. Eleven colonies were tagged and monthly samples were collected over a 14-month period. Colonies were gonochoric and the samples included 6 females and 4 females. Ten polyps were examined from each sample and the number and size of gonads were determined. An additional 4 branches were sampled from a female colony in January 1991 and fecundity was determined relative to the branch, position of branchlet on the branch, and position of the polyp on the branchlet. The lack of synchrony among colonies on the scale of months may reflect less need for all colonies to spawn in a single event among abundant species that release large numbers of gametes. Such a strategy also spreads the risk of reproductive failure due to environmental conditions during any single month. Multiple spawning episodes can also drive reproductive isolation of populations and may reflect the presence of cryptic species within the taxon. Studies of reproductive timing can be an important adjunct in identifying variation in life history strategies as well as assessing the validity of species boundaries.

This dataset includes the number and size of gonads found in monthly samples of each of 11 A. americana colonies.
attribute NC_GLOBAL title String [Antillogorgia americana Monthly Surveys] - Number and size of gonads found in monthly samples of Antillogorgia americana colonies at a study site in the San Blas Islands, Panama from July 1990 to August 1991 (Collaborative Research: Pattern and process in the abundance and recruitment of Caribbean octocorals)
attribute NC_GLOBAL Westernmost_Easting double -78.9583
variable Sex   int  
attribute Sex actual_range int 0, 2
attribute Sex long_name String Sex
attribute Sex units String unitless
variable Colony   int  
attribute Colony actual_range int 951, 961
attribute Colony long_name String Colony
attribute Colony units String unitless
variable Month   String  
attribute Month long_name String Month
attribute Month units String unitless
variable Year   String  
attribute Year long_name String Year
attribute Year units String unitless
variable Polyp   int  
attribute Polyp actual_range int 1, 10
attribute Polyp long_name String Polyp
attribute Polyp units String unitless
variable Number   int  
attribute Number actual_range int 0, 5
attribute Number long_name String Number
attribute Number units String unitless
variable Avg_diam   float  
attribute Avg_diam actual_range float 0.0, 760.0
attribute Avg_diam long_name String Avg_diam
attribute Avg_diam units String micrometers (um)
variable Volume   float  
attribute Volume actual_range float 0.0, 0.538
attribute Volume long_name String Volume
attribute Volume units String cubic millimeters (mm^3)
variable N_GE_400   int  
attribute N_GE_400 actual_range int 0, 4
attribute N_GE_400 long_name String N_ge_400
attribute N_GE_400 units String unitless
variable Diam1   int  
attribute Diam1 actual_range int 0, 760
attribute Diam1 long_name String Diam1
attribute Diam1 units String micrometers (um)
variable Diam2   int  
attribute Diam2 actual_range int 0, 720
attribute Diam2 long_name String Diam2
attribute Diam2 units String micrometers (um)
variable Diam3   int  
attribute Diam3 actual_range int 0, 720
attribute Diam3 long_name String Diam3
attribute Diam3 units String micrometers (um)
variable Diam4   int  
attribute Diam4 actual_range int 0, 640
attribute Diam4 long_name String Diam4
attribute Diam4 units String micrometers (um)
variable Diam5   int  
attribute Diam5 actual_range int 0, 400
attribute Diam5 long_name String Diam5
attribute Diam5 units String micrometers (um)
variable Latitude   float  
attribute Latitude actual_range float 9.5486, 9.5486
attribute Latitude long_name String Latitude
attribute Latitude units String degrees_north
variable longitude   float  
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -78.9583, -78.9583
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east

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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