LTE-TIDE-EpiBenthicInvert.csv

High-marsh invertebrate densities for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA.

Download: LTE-TIDE-EpiBenthicInvert.csv
Variables
Month
  • Label: Month
  • Definition: Month sampled
  • Type: Nominal
  • Missing values: None specified
Year
  • Label: Year
  • Definition: Year sampled
  • Type: Date/time
  • Date format: YYYY
  • Missing values:
    • NA = not available
Years_Enriched
  • Label: Years enriched
  • Definition: Number of years of nutrient enrichment
  • Type: Nominal
  • Missing values: None specified
Creek
  • Label: Creek
  • Definition: Creek sampled
  • Type: Code list
  • Codes:
    • Sweeney = Nutrient Enriched
    • Nelson = Nutrient Enriched
    • West = Reference
    • Clubhead = Reference
  • Missing values:
    • NA = not available
Branch
  • Label: Branch
  • Definition: Branch of creek
  • Type: Code list
  • Codes:
    • R = Right
    • L = Left
  • Missing values:
    • NA = not available
Nutrient_Level
  • Label: Nutrient level
  • Definition: Nutrient level of creek
  • Type: Code list
  • Codes:
    • Enriched = Nutrient Enriched
    • Reference = Reference
  • Missing values:
    • NA = not available
Habitat
  • Label: Habitat
  • Definition: Habitat sampled
  • Type: Code list
  • Codes:
    • SP = Spartina patens (high marsh)
    • SSA = short-form Spartina alterniflora
  • Missing values:
    • NA = not available
Fish_level
  • Label: Fish level
  • Definition: Fish density
  • Type: Code list
  • Codes:
    • Low = reduced fish density
    • Ambient = fish density
  • Missing values:
    • NA = not available
Quadrat
  • Label: Quadrat
  • Definition: Quadrat sampled
  • Type: Nominal
  • Missing values: None specified
Melampus_bidentatus_density
  • Label: Melampus_bidentatus_density
  • Definition: Melampus_bidentatus_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Littorophiloscia_vittata_density
  • Label: Littorophiloscia_vittata_density
  • Definition: Littorophiloscia_vittata_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Brown_Orchestia_density
  • Label: Brown_Orchestia_density
  • Definition: Brown_Orchestia_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Orange_Orchestia_density
  • Label: Orange_Orchestia_density
  • Definition: Orange_Orchestia_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Total O_grillus_density
  • Label: Total O_grillus_density
  • Definition: Total O_grillus_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Geukensia_demissa_density
  • Label: Geukensia_demissa_density
  • Definition: Geukensia_demissa_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Hydrobiid_snail_density
  • Label: Hydrobiid_snail_density
  • Definition: Hydrobiid_snail_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Spider_density
  • Label: Spider_density
  • Definition: Spider_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Insect_larvae_density
  • Label: Insect_larvae_density
  • Definition: Insect_larvae_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Weevil_density
  • Label: Weevil_density
  • Definition: Weevil_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Ant_density
  • Label: Ant_density
  • Definition: Ant_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Tabanus_larvae_density
  • Label: Tabanus_larvae_density
  • Definition: Tabanus_larvae_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Adult_Ladybug_density
  • Label: Adult_Ladybug_density
  • Definition: Adult_Ladybug_density
  • Type: Physical quantity
  • Unit: numberPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Mite_density
  • Label: Mite_density
  • Definition: Mite_density
  • 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: 

810