LTE-TIDE-NassariusIndBio_csv

Nassarius obsoletus (Ilyanassa obsoleta) length and biomass measurements for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA.

Variables
Year
  • Label: Year
  • Definition: Year Sampled
  • Type: Date/time
  • Date format: YYYY
  • Missing values:
    • NA = missing
Month
  • Label: Month
  • Definition: Month Sampled
  • Type: Nominal
  • Missing values: None specified
Years_Enriched
  • Label: Years_Enriched
  • Definition: Number of years of nutrient enrichment
  • Type: Nominal
  • Missing values: None specified
Nutrient
  • Label: Nutrient
  • Definition: Nutrient level of the creek
  • Type: Code list
  • Codes:
    • Enriched = Nutrient enriched
    • Reference = Reference
  • Missing values:
    • NA = missing
Creek
  • Label: Creek
  • Definition: Creek sampled
  • Type: Code list
  • Codes:
    • Sweeney = Nutrient Enriched
    • Nelson = Nutrient Enriched
    • West = Reference
    • Clubhead = Reference
  • Missing values:
    • NA = missing
Branch
  • Label: Branch
  • Definition: Branch Sampled
  • Type: Code list
  • Codes:
    • L = Left
    • R = Right
  • Missing values:
    • NA = missing
Habitat
  • Label: Habitat
  • Definition: Habittat sampled
  • Type: Code list
  • Codes:
    • MF = Mudflat
  • Missing values:
    • NA = missing
Quadrat
  • Label: Quadrat
  • Definition: Quadrat Sampled
  • Type: Nominal
  • Missing values: None specified
Meter
  • Label: Meter
  • Definition: Meter mark
  • Type: Nominal
  • Missing values: None specified
Snail_Number
  • Label: Snail_Number
  • Definition: ID of individual snail
  • Type: Nominal
  • Missing values: None specified
Snail_Length
  • Label: Snail_Length
  • Definition: Snail length
  • Type: Physical quantity
  • Unit: millimeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Biomass_wt
  • Label: Biomass_wt
  • Definition: Biomass weight of snail
  • 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: 

,

Record delimiter: 

\r\n

Number of records: 

4130