citHeader("Appropriate citations include:")

bibentry(
  bibtype = "Article",
  title = "Modelling shoot : root relations: the only way forward?",
  author = person("J H M", "Thornley"),
  journal = "Annals of Botany",
  year = 1998,
  volume = 81,
  number = 2,
  pages = "165-171",
  month = "FEB",
  doi = "10.1006/anbo.1997.0529",
  textVersion = paste(
    "Thornley, J H M (1998). Modelling shoot : root relations: the only way forward?",
    "Annals of Botany, 81(2): 165-171. doi:10.1006/anbo.1997.0529."
  )
)

bibentry(
  bibtype = "Article",
  title = "A physiological analogy of the niche for projecting the potential distribution of plants",
  author = c(
    person("Steven I.", "Higgins"),
    person("Robert B.", "O’Hara"),
    person("Olga", "Bykova"),
    person("Michael D.", "Cramer"),
    person("Isabelle", "Chuine"),
    person("Eva-Maria", "Gerstner"),
    person("Thomas", "Hickler"),
    person("Xavier", "Morin"),
    person("Michael R.", "Kearney"),
    person("Guy F.", "Midgley"),
    person("Simon", "Scheiter")
  ),
  journal = "Journal of Biogeography",
  year = 2012,
  volume = 39,
  number = 12,
  pages = "2132-2145",
  issn = "1365-2699",
  textVersion = paste(
    "Higgins, Steven I., O’Hara, Robert B., Bykova, Olga, et al. (2012).",
    "A physiological analogy of the niche for projecting the potential distribution of plants.",
    "Journal of Biogeography, 39(12): 2132-2145."
  )
)

bibentry(
  bibtype = "Article",
  title = "Shifts in vegetation activity of terrestrial ecosystems attributable to climate trends",
  author = c(
    person("Steven I. I.", "Higgins"),
    person("Timo", "Conradi"),
    person("Edward", "Muhoko")
  ),
  journal = "Nature Geoscience",
  year = 2023,
  volume = 16,
  number = 2,
  pages = "147+",
  month = "FEB",
  doi = "10.1038/s41561-022-01114-x",
  textVersion = paste(
    "Higgins, Steven I. I., Conradi, Timo, and Muhoko, Edward (2023).",
    "Shifts in vegetation activity of terrestrial ecosystems attributable to climate trends.",
    "Nature Geoscience, 16(2): 147+. doi:10.1038/s41561-022-01114-x."
  )
)

bibentry(
  bibtype = "Article",
  title = "TTR.PGM: An R package for modeling the distributions and dynamics of plants using the Thornley transport resistance plant growth model",
  author = c(
    person("Steven I.", "Higgins"),
    person("Arne", "Burkhardt"),
    person("Timo", "Conradi"),
    person("Edward", "Muhoko")
  ),
  journal = "Methods in Ecology and Evolution",
  year = 2025,
  volume = 100,
  number = 1,
  pages = "000-000",
  textVersion = paste(
    "Higgins, Steven I., Burkhardt, Arne, Conradi, Timo, and Muhoko, Edward (2024).",
    "TTR.PGM: An R package for modeling the distributions and dynamics of plants using the Thornley transport resistance plant growth model.",
    "Methods in Ecology and Evolution."
  )
)

citFooter("The TTR model was proposed and described by Thornley 1988. Higgins et al. 2012 added environmental forcing to the TTR model and interpreted it as a species distribution model. Higgins et al. 2023 interpret the TTR model as a time series model. Higgins et al. 2025 describe the R package.")
