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NOAA/NESDIS/NODC/NCDDC-National Coastal Data Development Center
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866-732-2382
Facsimile:
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228-688-2968
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Bldg. 1021, Suite 1003
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Stennis Space Center
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MS
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39529
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ncddcmetadata@noaa.gov
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Monday - Friday, 8am - 5pm, Central Standard Time
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2018-03-28
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ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
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ISO 19115-2:2009(E)
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Fisheries-Independent Biological and Environmental Trawl Data from the Alabama Department of Conservation
and Natural Resources (1981-2007) as Part of the Comparative Assessment of Gulf Estuarine Systems
(CAGES) Database (NODC Accession 0115183)
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2013-11-13
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Coral Reef Information System
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https://www.coris.noaa.gov/metadata/records/ISO/html/CAGES_AL_db_MetadataISO_19115_2.html
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NODC ACCESSION 0115183
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NOAA National Marine Fisheries Service, Southeast Fisheries Science Center, Galveston Laboratory
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Southeast Fisheries Science Center, Galveston Laboratory
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Galveston
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TX
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The CAGES program (Comparative Assessment of Gulf Estuarine Systems) is designed to examine the differences
between estuarine ecosystems and investigate why some are more productive than others. The program focuses
on estuarine areas important to commercial fisheries and includes data on commercial finfish and
invertebrate species, as well as other species commonly captured in trawl sampling. This Alabama dataset is
a subset of the CAGES Relational Database which is a compilation of fishery-independent data contributed by
natural resource agencies of the Gulf States (Texas, Louisiana, Mississippi, Alabama, and Florida). This
data set includes data from trawls collected by the Alabama Department of Conservation and Natural Resources
(ADCNR) and Gulf Coast Research Laboratory (GCRL), as well as associated hydrographic data. Trawl data were
used to calculate CPUE (catch per unit effort) at each station for the years 1981 through 2007.
Purpose:
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The purpose of CAGES is to compile the fishery independent data from five Gulf States into a database to more
easily compare the fisheries across the US Gulf of Mexico coast. This dataset includes data collected from
Alabama only. The CAGES database is intended for scientific research only.
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Dr. Harmon Brown
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NOAA National Marine Fisheries Service, Southeast Fisheries Science Center, Galveston Laboratory
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409-766-3500
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Galveston Laboratory, 4700 Avenue U
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Galveston
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TX
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77551
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USA
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comparative assessment of gulf estuarine systems
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CAGES
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Alabama Department of Conservation and Natural Resources
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Gulf Coast Research Laboratory
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catch per unit effort
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Gulf of Mexico
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Alabama
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Arnica Bay
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Deer River
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East Fowl River
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Eleven Mile Creek
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Gulf Intercoastal Waterway
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Grand Bay
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Halls Mill Creek
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Little Lagoon
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Magnolia River
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Mississippi Sound
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Mobile Bay
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Mobile River
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Perdido Bay
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Rabbit Creek
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Tensaw River
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Theodore Industrial Canal
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Weeks Bay
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COUNTRY/TERRITORY > United States of America > Alabama
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OCEAN BASIN > Atlantic Ocean > Gulf of Mexico > Alabama
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OCEAN BASIN > Atlantic Ocean > Gulf of Mexico
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Numeric Data Sets > Biology
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EARTH SCIENCE > Oceans > Marine Biology > Marine Invertebrates
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Access Constraints: None Use Constraints: None Distribution Liability: NOAA and NODC make no warranty,
expressed or implied, regarding these data, nor does the fact of distribution constitute such a
warranty. NOAA and NODC cannot assume liability for any damages caused by any errors or omissions in the
data.
Aggregation information:
MD_AggregateInformation:
Aggregate dataset name:
CI_Citation:
Title:
Character string:
Nekton from fishery-independent trawl samples in estuaries of the U.S. Gulf of Mexico: a Comparative
Assessment of Gulf Estuarine Systems (CAGES)
Date:
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Date:
Date:
2013
Date type:
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publication
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Organisation name:
Character string:
Brown, H., T.J. Minello, G.A. Matthews, M. Fisher, E.J. Anderson, R. Riedel, and D.L. Leffler.
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resourceProvider
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U.S. Dept. Commerce NOAA Tech. Memo. NMFS-SEFSC-647, 269 p.
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Language:
Character string:
eng; USA
Topic category:
MD_TopicCategoryCode:
biota
Topic category:
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oceans
Environment description:
Character string:
Native Dataset Environment: MS Access database; CAGES_AL.accdb; 64.6 MB.
Extent:
EX_Extent:
Geographic element:
EX_GeographicBoundingBox:
West bound longitude:
Decimal:
-88.387
East bound longitude:
Decimal:
-87.375
South bound latitude:
Decimal:
30.1617
North bound latitude:
Decimal:
30.84
Temporal element:
EX_TemporalExtent:
Extent:
Time period:
Description:
ground condition
Begin position:
1981-02-03
End position:
2007-12-19
Content information:
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Included with dataset:
Boolean:
false
Feature catalogue citation:
CI_Citation:
Title:
Character string:
Entity and Attribute Information
Date:
unknown
Other citation details:
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Entity and Attribute Overview: Data in the Alabama CAGES database consists of seven (7) MS Access database
tables each of which has an accompanying exported csv file. Tables/files and fields, in the order they
occur in the csv files, are as follows: Alabama CPUE (Sample Code, Station Code, YYYY, MM, Species Code,
CPUE); Alabama Lengths (Sample Code, Species Code, Length); Alabama Species (Species Code, Phylum,
Class, Family, Scientific Name, Common Name); Alabama Stations (Station Code, Station, Description,
Latitude, Longitude, Water Body); Alabama Trawls (Sample Code, Species Code, Measured, Total Number);
Alabama Samples (Sample Code, YYYY, MM, DD, Station Code); Alabama Hydrological (Sample Code, Salinity,
Temperature, DO). Latitude and Longitude are provided in decimal degrees. Units of measure for other
fields are as follows: CPUE (number caught per hectare (#/ha)), Length (mm), Salinity (ppt), Temperature
(Degrees Celsius), DO (mg/l). Note: The temperature value associated with sample 6758 is likely given in
degrees F. Entity and Attribute Detail Citation: Brown, H., T.J. Minello, G.A. Matthews, M. Fisher, E.J.
Anderson, R. Riedel, and D.L. Leffler. 2013. Nekton from fishery-independent trawl samples in estuaries
of the U.S. Gulf of Mexico: a Comparative Assessment of Gulf Estuarine Systems (CAGES). U.S. Dept.
Commerce NOAA Tech. Memo. NMFS-SEFSC-647, 269 p.
Distribution information:
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Character string:
US National Oceanographic Data Center
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Customer Service
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Voice:
Character string:
301-713-3277 x148
Facsimile:
Character string:
301-713-3302
Address:
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Character string:
1315 East-West Hwy; SSMC3 4th Floor
City:
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Silver Spring
Administrative area:
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MD
Postal code:
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20910-3282
Country:
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USA
Electronic mail address:
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NODC.Services@noaa.gov
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Transfer options:
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Online:
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Linkage:
URL:
http://accession.nodc.noaa.gov/0115183
Function:
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information
Data quality information:
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unknown
Report:
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unknown
Report:
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Evaluation method description:
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NOAA cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data.
Result:
unknown
Report:
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Measure description:
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NOAA cannot guarantee the scope, accuracy or timeliness of this information.
Result:
unknown
Lineage:
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Description:
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The Alabama Department of Conservation and Natural Resources (ADCNR) Marine Resources Division
Division and the Gulf Coast Research Laboratory (GCRL) have conducted regular assessments of their
estuarine natural resources including shrimp, crabs, and finfish since 1977. Monthly sampling for
all penaeid shrimp, Callinectes crabs, and finfish species started in October 1980. A 4.9-m (16-ft)
flat otter trawl with 3.8-cm (1.5-in) stretched mesh webbing, similar to trawls used by Mississippi
and Louisiana, was used to sample demersal nekton. Trawl tows were 10 min in duration at about 3.7
kph (2.4 mph). Salinity and temperature values were collected and recorded from surface and bottom
waters at each site. Depth was recorded in meters. Site location data were recorded using a
differential GPS (ADCNR 2010). Standard lengths (mm) were recorded for up to 50 specimens of each
fish species. Total length (mm) for shrimp and carapace width (mm) for crabs were recorded.
Beginning in 1990, all organisms were enumerated and weighed according to SEAMAP procedures (Stuntz
et al. 1983). From 1998 through October 2000, the number of sites sampled expanded. Trawl sampling
was not conducted in December, 1998; January, June, July, and October, 1999; and December, 2000.
Sampling was attempted as early in a month as possible. Sample sites were fixed locations in and
near Biloxi Bay and Perdido Bay. These data encompass the years 1981-2007.
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Catch data in trawls were converted to numbers caught per hectare (#/ha) using the tow times and
calculated conversion factors. The conversion factor was calculated based on an assumed 80% spread
of the width of the trawl webbing along the headrope (defined here as the headrope length) and the
estimated distance towed in one minute calculated from reported tow times. The conversion factor is
equal to the time needed (in minutes) for the trawl to cover one hectare. To calculate the CPUE the
following formula was used: Conversion factor / Tow duration (min) X Number caught = #/ha. The
conversion factor for Alabama was calculated to be 46.84.
Metadata maintenance:
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unknown
Maintenance note:
Character string:
This metadata was automatically generated from the FGDC Content Standard for Digital Geospatial
Metadatastandard version FGDC-STD-001-1998 using the June 2011 version of the FGDC CSDGM to ISO 19115-2
transform. The Spatial Reference Information is not currently mapped over to ISO but will be mapped in
future versions.
Metadata author:
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Character string:
NOAA/NESDIS/NODC/NCDDC-National Coastal Data Development Center
Contact information:
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Voice:
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866-732-2382
Facsimile:
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228-688-2968
Address:
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Bldg. 1021, Suite 1003
City:
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Stennis Space Center
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MS
Postal code:
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39529
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ncddcmetadata@noaa.gov
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Monday - Friday, 8am - 5pm, Central Standard Time
Role:
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