LTE-MF-GREENWOOD-CLUBHEAD-EOYBM_csv

End of growing season vegetation percent cover and biomass data for effluent enrichment vs. reference  marsh sites. Nutrient enrichment comes from the Ipswich Wastewater Treatment Facility on Greenwood Creek in Ipswich.  The marsh around Clubhead Creek, Rowley, MA was used as a reference.

Variables
Site
  • Label: Site
  • Definition: area where data and plants were collected
  • Type: Nominal
  • Missing values: None specified
Treatment
  • Label: Treatment
  • Definition: shows if site is a hayed area or a reference area
  • Type: Nominal
  • Missing values: None specified
Transect
  • Label: Transect
  • Definition: Transect line locations along which plants were observed and collected
  • Type: Code list
  • Codes:
    • McH1 = hayed every year north of Patmos Rd
    • EPH = east of Perry's land and between Sawyer Creek and Patmos Rd hayed every two years last hayed in 1999
    • PUH = Perry Unhayed between Sawyer Creek and Patmos Rd
    • Club Creek = south of Stackyard Rd and bounded on its E side by the PRNWR
  • Missing values: None specified
Interval
  • Label: Interval
  • Definition: distance in meters along transect that quadrat was placed down
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Date
  • Label:
  • Definition: Date
  • Type: Nominal
  • Missing values: None specified
Year
  • Label: Year
  • Definition: Year of collections
  • Type: Date/time
  • Date format: YYYY
  • Missing values: None specified
Observers
  • Label: Observers
  • Definition: code abbreviations for names of people who collected data and samples
  • Type: Code list
  • Codes:
    • RB = Robert Buchsbaum
    • WD = Wendy Dalia
    • AR = April Ridlon
    • PB = Peter Britz
    • CN = Carl Noblett
  • Missing values:
    • NA = not available
Quadrat size
  • Label: Quadrat size
  • Definition: size of sampling quadrat in m2 (either 0.01 or 0.0625)
  • Type: Physical quantity
  • Unit: squareMeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
sabiomassM2
  • Label: Spartina alterniflora biomass
  • Definition: biomass (in grams per m2) of Spartina alterniflora
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
sapcover
  • Label: Spartina alterniflora cover
  • Definition: percent cover of Spartina alterniflora in the biomass quadrats
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
spbiomassM2
  • Label: Spartina patens biomass
  • Definition: biomass (in grams per m2) of Spartina patens
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
sppcover
  • Label: Spartina patens cover
  • Definition: percent cover of Spartina patens
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
dsbiomassM2
  • Label: Biomass of Distichlis spicata
  • Definition: biomass (in grams per m2) of Distichlis spicata
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
dspcover
  • Label: Distichlis spicata cover
  • Definition: percent cover of Distichlis spicata
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values: None specified
jgbiomassM2
  • Label: Juncus gerardi biomass
  • Definition: biomass (in grams per m2) of Juncus gerardii
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
jgpcover
  • Label: Juncus gerardi cover
  • Definition: percent cover of Juncus gerardii
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
sebiomassM2
  • Label: Salicornia europaea biomass
  • Definition: biomass (in grams per m2) of Salicornia europaea
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
sepcover
  • Label: Salicornia europaea cover
  • Definition: percent cover of Salicornia europaea
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
apbiomassM2
  • Label: Atriplex petula biomass
  • Definition: biomass (in grams per m2) of Atriplex patula
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
appcover
  • Label: Atriplex patula cover
  • Definition: percent cover of Atriplex patula
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
ifbiomassM2
  • Label: Iva frutescens biomass
  • Definition: biomass (in grams per m2) of Iva frutescens
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
ifpcover
  • Label: Iva frutescens cover
  • Definition: percent cover of Iva frutescens
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
ssbiomassM2
  • Label: Solidago sempervirens biomass
  • Definition: biomass (in grams per m2) of Solidago sempervirens
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
sspcover
  • Label: Solidago sempervirens cover
  • Definition: percent cover of Solidago sempervirens
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
slbiomassM2
  • Label: Suaeda linearis biomass
  • Definition: biomass (in grams per m2) of Suaeda linearis
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
slpcover
  • Label: Suaeda linearis cover
  • Definition: percent cover of Suaeda linearis
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
gmbiomassM2
  • Label: Glaux maritima biomass
  • Definition: biomass (in grams per m2) of Glaux maritima
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
gmpcover
  • Label: Glaux maritima cover
  • Definition: percent cover of Glaux maritima
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
arbiomassM2
  • Label: Agropyron repens biomass
  • Definition: biomass (in grams per m2) of Agropyron repens
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
arcover
  • Label: Agropyron repens cover
  • Definition: percent cover of Agropyron repens
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
pabiomassM2
  • Label: biomass of Phragmites australis
  • Definition: biomass (in grams per m2) of Phragmites australis
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
pacover
  • Label: Phragmites australis cover
  • Definition: percent cover of Phragmites australis
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
scrbiomassM2
  • Label: Scirpus robustus biomass
  • Definition: biomass (in grams per m2) of Scirpus robustus
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
scrcover
  • Label: Scirpus robustus cover
  • Definition: percent cover of Scirpus robustus
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
pvbiomassM2
  • Label: Panicum virgatum biomass
  • Definition: biomass (in grams per m2) of Panicum virgatum
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
pvcover
  • Label: Panicum virgatum cover
  • Definition: percent cover of Panicum virgatum
  • Type: Physical quantity
  • Unit: percentNA
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
asbiomassM2
  • Label: Agrostis stolonifera
  • Definition: biomass (in grams per m2) of Agrostis stolonifera
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
ascover
  • Label: Agrostis stolonifera cover
  • Definition: percent cover of Agrostis stolonifera
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
deadbiomassM2
  • Label: Dead biomass
  • Definition: biomass (in grams per m2) of standing dead plant material
  • Type: Physical quantity
  • Unit: gramPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Comments
  • Label: Comments
  • Definition: Additional notes
  • Type: Nominal
  • Missing values: None specified
Data Source Details

Header lines: 

1

Orientation: 

Column

Field delimiter: 

,

Record delimiter: 

\r\n

Number of records: 

67