HTL-MAR-FiddlerCrabDensity.csv

Fiddler crab density in Plum Island Sound estuary, Rowley, Massachusetts.

Variables
Year
  • Label: Year
  • Definition: Calendar year of measurement
  • Type: Date/time
  • Date format: YYYY
  • Missing values: None specified
Date
  • Label: Date
  • Definition: Date of measurement
  • Type: Date/time
  • Date format: YYYY-MM-DD
  • Missing values:
    • NA = not available
Creek
  • Label: Creek
  • Definition: Creek name
  • Type: Nominal
  • Missing values: None specified
Branch
  • Label: Branch
  • Definition: Creek branch based on standing at the confluence and facing upstream (landward)
  • Type: Code list
  • Codes:
    • L = Left
    • R = Right
  • Missing values:
    • NA = not available
Side
  • Label: Side
  • Definition: Side of the creek channel based on facing upstream
  • Type: Code list
  • Codes:
    • L = Left
    • R = Right
  • Missing values:
    • NA = not available
Nutrient
  • Label: Nutrient
  • Definition: Nutrient level for TIDE experimental creeks
  • Type: Nominal
  • Missing values: None specified
Plot_Location
  • Label: Plot Location
  • Definition: Random meter point along 200 m transect
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Habitat
  • Label: Habitat
  • Definition: Type of habitat, Spartina = Spartina alterniflora, Creek wall is vertical surface of creek bank
  • Type: Code list
  • Codes:
    • Spartina = Spartina alterniflora
    • Creek wall = vertical surface of creek bank
  • Missing values:
    • NA = not available
Burrow_density
  • Label: Burrow density
  • Definition: Density of Uca pugnax based on total burrows
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Geukensia_density
  • Label: Geukensia density
  • Definition: Density of Geukensia demissa - bivalve
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Nassarius_density
  • Label: Nassarius density
  • Definition: Density of Nassarius obsoletus - gastropod
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Littorina_density
  • Label: Littorina density
  • Definition: Density of Littorina littorea - gastropod
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Melampus_density
  • Label: Melampus density
  • Definition: Density of Melampus bidentatus - gastropod
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Data Source Details

Header lines: 

1

Orientation: 

Column

Field delimiter: 

,

Record delimiter: 

\r\n

Number of records: 

1060