Struct PftParams 

pub struct PftParams {

    pub pft_type: PftType,
    pub pathway: PhotosynthesisPathway,
    pub pmax: f32,
    pub quantum_yield: f32,
    pub temp_optimum: f32,
    pub max_height: f32,
    pub growth_rate: f32,
    pub successional_stage: SuccessionalStage,
    pub leaf_habit: LeafHabit,
    pub sla: f32,
    pub lai_max: f32,
    pub leaf_n: f32,
    pub alloc_leaf: f32,
    pub alloc_stem: f32,
    pub alloc_root: f32,
    pub root_depth: f32,
    pub lifespan_years: f32,
    pub leaf_turnover: f32,
    pub root_turnover: f32,
    pub wood_n: f32,
    pub frost_threshold: f32,
    pub critical_n: f32,
}

Complete parameter set for a plant functional type.

All the numbers a consumer needs to configure vanaspati’s modules for a given species group.

Fields

pft_type: PftType

PFT identifier.

pathway: PhotosynthesisPathway

Photosynthesis pathway (C3/C4/CAM).

pmax: f32

Maximum photosynthesis rate at light saturation (µmol CO₂/m²/s).

quantum_yield: f32

Quantum yield (mol CO₂ / mol photons).

temp_optimum: f32

Optimal temperature for photosynthesis (°C).

max_height: f32

Maximum height (meters).

growth_rate: f32

Relative growth rate (per day).

successional_stage: SuccessionalStage

Successional strategy.

leaf_habit: LeafHabit

Leaf habit (deciduous/evergreen).

sla: f32

Specific leaf area (m² leaf / kg leaf).

lai_max: f32

Maximum leaf area index (m² leaf / m² ground).

leaf_n: f32

Leaf N concentration (kg N / kg leaf).

alloc_leaf: f32

Fraction to leaves (0.0–1.0).

alloc_stem: f32

Fraction to stem (0.0–1.0).

alloc_root: f32

Fraction to roots (0.0–1.0).

root_depth: f32

Maximum root depth (meters).

lifespan_years: f32

Maximum lifespan (years).

leaf_turnover: f32

Annual leaf turnover rate (fraction, 1.0 = all leaves replaced yearly).

root_turnover: f32

Annual fine root turnover rate (fraction).

wood_n: f32

Wood N concentration (kg N / kg wood).

frost_threshold: f32

Cold hardiness threshold (°C).

critical_n: f32

Critical N concentration for unstressed growth (kg N / kg biomass).

Implementations

impl PftParams

pub fn from_type(pft_type: PftType) -> Self

Get parameters for a PFT type.

pub fn alloc_reproductive(&self) -> f32

Allocation fractions sum (should be ≤1.0, remainder is reproductive).

pub fn is_woody(&self) -> bool

Whether this PFT is woody (trees/shrubs vs grasses).

pub fn is_conifer(&self) -> bool

Whether this PFT is a conifer.

Trait Implementations

impl Clone for PftParams

fn clone(&self) -> PftParams

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PftParams

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PftParams

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for PftParams

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.