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Summary

Abstract

Guam Long-term Monitoring Program macro-invertebrate observation data

Description

Guam Long-term Monitoring Program macro-invertebrate observation data

Entity Information

Entity Type
Data View

Data Attribute / Type Description
SITE_ID
NUMBER
Unique site identifier
SITE
NVARCHAR2
The 3-character code for the site surveyed
SITE_NAME
VARCHAR2
Site name
STATION
NUMBER
Sampling station number
STATIONID
VARCHAR2
A unique identifier combining the SITE with the STATION
DATE_TIME
DATE
Date the survey was conducted
LATITUDE
NUMBER
Site latitude as recorded by divers on the Dive & Nav Info datasheets in decimal degrees
LONGITUDE
NUMBER
Site longitude as recorded by divers on the Dive & Nav Info datasheets in decimal degrees
WAVEEXPOSURE
NVARCHAR2
A general classification of the relative degree of wave exposure (Low, Moderate, High) for a given site; the wave exposure value is the same for all sampling stations within a given site
STRATUM
NVARCHAR2
The stratum for the given sampling station, which includes the reef zone and subzone (e.g., ReefSlope-Terrace, ReefMargin-West)
STATION_TYPE
VARCHAR2
The sampling station type (Fixed or Unfixed)
TRANSECT_NUMBER
NUMBER
Transect number for a given site visit; value is "1" unless more than one transect was surveyed at a sampling station during a single site visit
DEPTH
NUMBER
Depth of survey area in meters
OBSERVER
NVARCHAR2
anonymized unique identifier for observer
TRANSECT_LENGTH
NUMBER
Length of the transect in meters
TRANSECT_WIDTH
NUMBER
Width of the transect in meters
SCIENTIFIC_NAME
VARCHAR2
Scientific name
TAXAGROUP
VARCHAR2
Taxonomic grouping
INVERT_COUNT
NUMBER
Number of inverts observed during survey
INVERT_DENSITY_M2
NUMBER
Density (ind/m^2) for a invertebrate taxon at a given sampling station (= one transect), calculated as the count value divided by the transect area (TRANSECT_LENGTH times TRANSECT_WIDTH)
YEAR
NUMBER
Year in which survey was conducted

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