LTE-TIDE-NektonFlumeDensity_csv

Nekton species counts and density from flume net collections along Rowley River tidal creeks associated with long term fertilization experiments, Rowley, MA.

Variables
Date
  • Label: Date
  • Definition: Sampling Date
  • Type: Date/time
  • Date format: YYYY-MM-DD
  • Missing values:
    • NA = missing
Creek
  • Label: Creek
  • Definition: Creek Sampled
  • Type: Code list
  • Codes:
    • SW|Sweeney- Nutrient Enriched |NE=Nelson- Reference| WE=West- Reference = CL=Clubhead- Nutrient enriched
  • Missing values:
    • NA = missing
Branch
  • Label: Branch
  • Definition: Branch Sampled
  • Type: Code list
  • Codes:
    • L|Left Branch| R=Right Branch = C= Confluence
  • Missing values:
    • NA = missing
Replicate
  • Label: Replicate
  • Definition: Number of the replicate net
  • Type: Nominal
  • Missing values: None specified
Fish Treatment
  • Label: Fish Treatment
  • Definition: Areas with low fish density were ones up stream of the block nets where fish had been removed. Ambient fish density areas were down stream of the block nes and had normal fish densities.
  • Type: Code list
  • Codes:
    • AMB|ambient fish density = LOW=low fish density
  • Missing values:
    • NA = missing
Species
  • Label: Species
  • Definition: Species identified to the lowest taxonomic level
  • Type: Code list
  • Codes:
    • ANR = Anguilla rostrata American eel
    • CAM = Carcinus maenas green crab
    • FUH = Fundulus heteroclitus mummichog
    • PAP = Palaemonetes pugio grass shrimp
    • MEM = Menidia medidia Atlantic silverside
    • XAN= = Xanthidae walking crab
    • APQ = Apeltes quadracus four-spined stickleback
    • CLU= Clupeid herring menhaden = CLU= Clupeid herring menhaden
    • CRS= = arcinus septemspinosa sand shrimp
    • PUP = Pungitius pungitius Ninespine stickleback
    • SYF= = Syngnathus fuscus common pipefish
    • UCA = = Uca pugnax fiddler crab
  • Missing values:
    • NA = missing
Number Caught
  • Label: Number Caught
  • Definition: the total number of individuals captured of a species for that sampling effort
  • Type: Physical quantity
  • Unit: number
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Nekton density
  • Label: Nekton density
  • Definition: the total number captured divided by the area of the net used, in numbers/m2
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • 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: 

2220