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NitrogenUptake2016

This repository contains data and source code associated with two companion manuscripts:

  • Troy D. Hill, Nathalie R. Sommer, Caroline R. Kanaskie, Emily A. Santos, Autumn 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
  • Troy D. Hill, Nathalie R. Sommer, Caroline R. Kanaskie, Emily A. Santos, Autumn J. Oczkowski. In Press. "Nitrogen and carbon concentrations and stable isotope ratios: Data from a 15N tracer study in short-form Spartina alterniflora and Distichlis spicata." Data In Brief. https://doi.org/10.1016/j.dib.2018.09.133

Install the package

Install our R package directly from CRAN using the following commands in the R console:

install.packages("NitrogenUptake2016")
library(NitrogenUptake2016)

Read our manuscripts

After loading the NitrogenUptake2016 package, the manuscript vignettes are available as pdfs:

# Journal of Experimental Marine Biology and Ecology manuscript
vignette(package = "NitrogenUptake2016", topic = "JEMBE")

# Data In Brief manuscript
vignette(package = "NitrogenUptake2016", topic = "DataInBrief")

Access our data

All the data used in our manuscripts are also available and annotated:

?allometry
?dea
?stemHeights
?CN_mass_data

License and disclaimer

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.

EPA disclaimer: This project code is provided on an "as is" basis and the user assumes responsibility for its use. The authors have relinquished control of the information and no longer have responsibility to protect the integrity, confidentiality, or availability of the information. Any reference to specific commercial products, processes, or services by service mark, trademark, manufacturer, or otherwise, does not constitute or imply their endorsement, recommendation or favoring by EPA. The EPA seal and logo shall not be used in any manner to imply endorsement of any commercial product or activity by EPA or the United States Government.

Thanks

This effort to support open science benefitted significantly from the example set by Jeff Hollister et al.'s LakeTrophicModelling manuscript.

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Version

Install

install.packages('NitrogenUptake2016')

Monthly Downloads

152

Version

0.2.3

License

GPL-3

Issues

Pull Requests

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Maintainer

Troy Hill

Last Published

October 28th, 2018

Functions in NitrogenUptake2016 (0.2.3)

nmolHr_mgDay

Convert N2O units from nanomoles of N2O per hour to milligrams of N per day
dea

Data: Denitrification enzyme activity and in vitro N2O production rates
nappCalc2

Calculate net aboveground primary production
CN_mass_data

Data: Nutrient concentrations, stable isotope ratios, and biomass from destructive mesocosm harvests
stemHeights

Data: Stem heights for each mesocosm and each measurement date
allometry

Data: Stem masses and heights for plants collected from Colt State Park, Rhode Island, USA, during summer 2016
se

Calculates standard error
ap

Convert per mil isotope values to atom percent
bCM

Parameterize Box-Cox model for mass-height allometry (based on Lu et al. 2016)