{
  "_id": "6a1699b4acfb0bcc41d7d924",
  "Package": "photosynthesis",
  "Version": "2.1.5",
  "Date": "2024-11-23",
  "Title": "Tools for Plant Ecophysiology & Modeling",
  "Authors@R": "c(\nperson(\"Joseph\", \"Stinziano\", email = \"josephstinziano@gmail.com\", role = \"aut\", comment = c(ORCID = \"0000-0002-7628-4201\")),\nperson(\"Cassaundra\", \"Roback\", email = \"croback@unm.edu\", role = \"aut\"),\nperson(\"Demi\", \"Sargent\", email = \"d.sargent@westernsydney.edu.au\", role = \"aut\"),\nperson(\"Bridget\", \"Murphy\", email = \"bridget.murphy@mail.utoronto.ca\", role = \"aut\"),\nperson(\"Patrick\", \"Hudson\", email = \"hudson.patrick.j@gmail.com\", role = c(\"aut\", \"dtc\")),\nperson(\"Chris\", \"Muir\", email = \"cdmuir@wisc.edu\", role = c(\"aut\", \"cre\"), comment = c(ORCID = \"0000-0003-2555-3878\"))\n)",
  "Description": "Contains modeling and analytical tools for plant\necophysiology. MODELING: Simulate C3 photosynthesis using the\nFarquhar, von Caemmerer, Berry (1980) <doi:10.1007/BF00386231>\nmodel as described in Buckley and Diaz-Espejo (2015)\n<doi:10.1111/pce.12459>. It uses units to ensure that\nparameters are properly specified and transformed before\ncalculations. Temperature response functions get automatically\n\"baked\" into all parameters based on leaf temperature following\nBernacchi et al. (2002) <doi:10.1104/pp.008250>. The package\nincludes boundary layer, cuticular, stomatal, and mesophyll\nconductances to CO2, which each can vary on the upper and lower\nportions of the leaf. Use straightforward functions to simulate\nphotosynthesis over environmental gradients such as\nPhotosynthetic Photon Flux Density (PPFD) and leaf temperature,\nor over trait gradients such as CO2 conductance or\nphotochemistry. ANALYTICAL TOOLS: Fit ACi (Farquhar et al.\n(1980) <doi:10.1007/BF00386231>) and AQ curves (Marshall &\nBiscoe (1980) <doi:10.1093/jxb/31.1.29>), temperature responses\n(Heskel et al. (2016) <doi:10.1073/pnas.1520282113>; Kruse et\nal. (2008) <doi:10.1111/j.1365-3040.2008.01809.x>, Medlyn et\nal. (2002) <doi:10.1046/j.1365-3040.2002.00891.x>, Hobbs et al.\n(2013) <doi:10.1021/cb4005029>), respiration in the light (Kok\n(1956) <doi:10.1016/0006-3002(56)90003-8>, Walker & Ort (2015)\n<doi:10.1111/pce.12562>, Yin et al. (2009)\n<doi:10.1111/j.1365-3040.2009.01934.x>, Yin et al. (2011)\n<doi:10.1093/jxb/err038>), mesophyll conductance (Harley et al.\n(1992) <doi:10.1104/pp.98.4.1429>), pressure-volume curves\n(Koide et al. (2000) <doi:10.1007/978-94-009-2221-1_9>, Sack et\nal. (2003) <doi:10.1046/j.0016-8025.2003.01058.x>, Tyree et al.\n(1972) <doi:10.1093/jxb/23.1.267>), hydraulic vulnerability\ncurves (Ogle et al. (2009)\n<doi:10.1111/j.1469-8137.2008.02760.x>, Pammenter et al. (1998)\n<doi:10.1093/treephys/18.8-9.589>), and tools for running\nsensitivity analyses particularly for variables with\nuncertainty (e.g. g_mc(), gamma_star(), R_d()).",
  "License": "MIT + file LICENSE",
  "Encoding": "UTF-8",
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  "URL": "https://github.com/cdmuir/photosynthesis",
  "BugReports": "https://github.com/cdmuir/photosynthesis/issues",
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  "Repository": "https://cdmuir.r-universe.dev",
  "Date/Publication": "2025-03-07 18:39:05 UTC",
  "RemoteUrl": "https://github.com/cdmuir/photosynthesis",
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  "Packaged": {
    "Date": "2026-05-27 07:08:34 UTC",
    "User": "root"
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  "Author": "Joseph Stinziano [aut] (ORCID: <https://orcid.org/0000-0002-7628-4201>),\nCassaundra Roback [aut],\nDemi Sargent [aut],\nBridget Murphy [aut],\nPatrick Hudson [aut, dtc],\nChris Muir [aut, cre] (ORCID: <https://orcid.org/0000-0003-2555-3878>)",
  "Maintainer": "Chris Muir <cdmuir@wisc.edu>",
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    "W_regen",
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      "name": "photo_parameters",
      "title": "Input parameters to simulate C3 photosynthesis using 'photosynthesis()'",
      "object": "photo_parameters",
      "class": [
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        "description",
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        "upper",
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      ],
      "rows": 73,
      "table": true,
      "tojson": true
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  "_help": [
    {
      "page": "A_supply",
      "title": "CO2 supply and demand function (mol / m^2 s)",
      "topics": [
        "A_demand",
        "A_supply"
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    },
    {
      "page": "analyze_sensitivity",
      "title": "Running 2-parameter sensitivity analyses",
      "topics": [
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      "page": "aq_response",
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      "title": "Leaf parameter temperature responses",
      "topics": [
        "bake",
        "temp_resp1",
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      "title": "S3 class bake_par",
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      "title": "S3 class baked",
      "topics": [
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      "title": "Inverse non-rectangular hyperbola for J_max calculation",
      "topics": [
        "calculate_j",
        "calculate_jmax"
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      "title": "Get default functions for calculated parameters in photosynthesis",
      "topics": [
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        "get_f_parameter"
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    },
    {
      "page": "CO2_conductance",
      "title": "Conductance to CO2 (mol / m^2 / s)",
      "topics": [
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        ".get_gmc",
        ".get_gsc",
        ".get_gtc",
        ".get_guc",
        "CO2_conductance"
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      "title": "Computing measures of sensitivity",
      "topics": [
        "compute_sensitivity"
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    },
    {
      "page": "constants",
      "title": "S3 class constants",
      "topics": [
        "constants"
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      "title": "S3 class enviro_par",
      "topics": [
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    {
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      "title": "Fitting ACi curves",
      "topics": [
        "fit_aci_response"
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    {
      "page": "fit_aq_response",
      "title": "Fitting light responses of net CO2 assimilation",
      "topics": [
        "fit_aq_response"
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    },
    {
      "page": "fit_aq_response2",
      "title": "Fit photosynthetic light-response curves",
      "topics": [
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      "page": "fit_g_mc_variableJ",
      "title": "Fitting mesophyll conductance with the variable J method",
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      "title": "Fitting stomatal conductance models",
      "topics": [
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      "topics": [
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      "page": "fit_many",
      "title": "Fitting many functions across groups",
      "topics": [
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    {
      "page": "fit_photosynthesis",
      "title": "Fit photosynthetic models with gas-exchange data",
      "topics": [
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    },
    {
      "page": "fit_PV_curve",
      "title": "Fitting pressure-volume curves",
      "topics": [
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      "page": "fit_r_light",
      "title": "Estimating light respiration",
      "topics": [
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        "fit_r_light_WalkerOrt",
        "fit_r_light_yin"
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    {
      "page": "fit_r_light2",
      "title": "Fit models to estimate light respiration (R_\\mathrm{d})",
      "topics": [
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    {
      "page": "fit_t_response",
      "title": "Fitting temperature responses",
      "topics": [
        "fit_t_response"
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    {
      "page": "FvCB",
      "title": "Farquhar-von Caemmerer-Berry (FvCB) C3 photosynthesis model",
      "topics": [
        "FvCB",
        "W_carbox",
        "W_regen",
        "W_tpu"
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      "page": "models",
      "title": "Get default model",
      "topics": [
        "get_all_models",
        "get_default_model",
        "marshall_biscoe_1980",
        "photoinhibition"
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    {
      "page": "gs_models",
      "title": "Stomatal conductance models",
      "topics": [
        "gs_mod_ballberry",
        "gs_mod_leuning",
        "gs_mod_opti",
        "gs_mod_optifull"
      ]
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    {
      "page": "J",
      "title": "J: Rate of electron transport (umol/m^2/s)",
      "topics": [
        "J"
      ]
    },
    {
      "page": "leaf_par",
      "title": "S3 class leaf_par",
      "topics": [
        "leaf_par"
      ]
    },
    {
      "page": "make_parameters",
      "title": "Make lists of parameters for 'photosynthesis'",
      "topics": [
        "make_bakepar",
        "make_constants",
        "make_enviropar",
        "make_leafpar",
        "make_parameters"
      ]
    },
    {
      "page": "parameter_names",
      "title": "Get vector of parameter names",
      "topics": [
        "parameter_names"
      ]
    },
    {
      "page": "photo_parameters",
      "title": "Input parameters to simulate C3 photosynthesis using 'photosynthesis()'",
      "topics": [
        "photo_parameters"
      ]
    },
    {
      "page": "photosynthesis",
      "title": "Simulate C3 photosynthesis",
      "topics": [
        "photo",
        "photosynthesis"
      ]
    },
    {
      "page": "ppm2pa",
      "title": "Convert pressure from PPM to Pascals",
      "topics": [
        "ppm2pa"
      ]
    },
    {
      "page": "print_graphs",
      "title": "Printing graphs to system",
      "topics": [
        "print_graphs"
      ]
    },
    {
      "page": "read_li6800",
      "title": "Read a LI-COR file",
      "topics": [
        "read_li6800"
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