| stemHeights {NitrogenUptake2016} | R Documentation |
Data: Stem heights for each mesocosm and each measurement date
Description
A dataframe of Spartina alterniflora and Distichlis spicata stem heights, from the mesocosms used in 15N study. Samples were collected from Colt State Park, Bristol, RI, USA, and grown in the US EPA Atlantic Ecology Division greenhouse.
Usage
stemHeights
Format
A dataframe with 3315 observations of 10 variables:
- date
Measurement date
- core_num
Mesocosm number
- species
Species, either Spartina alterniflora (SA) or Distichlis spicata (DS)
- dead_live
Indicates whether plant was live or dead
- plant_num
Plants were tagged to permit growth rate calculations; this is the plant tag number
- height_cm
Stem height, in centimeters, from the sediment surface to the tip of the longest leaf
- id
Unique plant identifier, combining species, mesocosm number, and plant tag number
- day
Measurement date expressed in YYYY-MM-DD format (and structured as a POSIXct column in R)
- timeSinceLast
Days since last measurement
- new.core.id
Mesocosm ID, including species and a unique mesocosm number (time-zero mesocosms re-numbered as mesocosms 13, 14, and 15)
References
Hill, T.D., N.R. Sommer, C.R. Kanaskie, E.A. Santos, A.J. Oczkowski. 2018. Data and source code from: Nitrogen uptake and allocation estimates for Spartina alterniflora and Distichlis spicata. Data In Brief. 21: 466-472. https://doi.org/10.1016/j.dib.2018.09.133.
Hill, T.D., N.R. Sommer, C.R. Kanaskie, E.A. Santos, A.J. Oczkowski. 2018. Nitrogen uptake and allocation estimates for Spartina alterniflora and Distichlis spicata. Journal of Experimental Marine Biology and Ecology 507: 53-60. https://doi.org/10.1016/j.jembe.2018.07.006.
Examples
### export to .csv:
write.csv(stemHeights, file = file.path(tempdir(), "stemHeights.csv"))