HTL-EST-Clam-densitysediment_csv

Sediment grain characteristics and clam densities for clam flat surveys during 2010 in the Plum Island Sound estuary, Newbury, Rowley and Ipswich, MA.

Variables
Date
  • Label: Date
  • Definition: Date of sampling
  • Type: Date/time
  • Date format: DD-MON-YYYY
  • Missing values:
    • NA = missing
Station_ID
  • Label: Station_ID
  • Definition: Name of sampling station
  • Type: Nominal
  • Missing values: None specified
Transect_name
  • Label: Transect_name
  • Definition: Name of transect at each sampling station
  • Type: Nominal
  • Missing values: None specified
Latitude
  • Label: Latitude
  • Definition: Latitude of sampling station (decimal degrees)
  • Type: Physical quantity
  • Unit: degree
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Longitude
  • Label: Longitude
  • Definition: Longitude of sampling station (decimal degrees)
  • Type: Physical quantity
  • Unit: degree
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Elevation
  • Label: Elevation
  • Definition: Elevation of specific transect in meters
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Pebble_%
  • Label: Pebble_%
  • Definition: Sediment pebble fraction
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Sand_%
  • Label: Sand_%
  • Definition: Sediment sand fraction
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Clay_%
  • Label: Clay_%
  • Definition: Sediment clay fraction
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Silt_%
  • Label: Silt_%
  • Definition: Sediment silt fraction
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Density
  • Label: Density
  • Definition: Number of clams found per square meter
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Clam_ID
  • Label: Clam_ID
  • Definition: Individual ID of clam(s) found on each transect
  • Type: Nominal
  • Missing values: None specified
Length
  • Label: Length
  • Definition: Length of individual clam
  • Type: Physical quantity
  • Unit: millimeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Weight
  • Label: Weight
  • Definition: Weight of individual clam
  • Type: Physical quantity
  • Unit: gram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Data Source Details

Header lines: 

1

Orientation: 

Column

Field delimiter: 

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