R: Global Livestock Environmental Assessment Model (GLEAM-X)

# Global Livestock Environmental Assessment Model (GLEAM-X)

## Documentation for package ‘gleam’ version 0.8.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

assign_allocation_shares | Assign allocation shares to emission variables by commodity
calc_allocated_emissions | Calculate allocated greenhouse gas emissions (GHG)
calc_allocation_shares | Calculate allocation shares for livestock commodities
calc_avg_weights | Calculate average and final live weights by cohort
calc_ch4_enteric | Calculate daily enteric methane emissions
calc_ch4_manure | Calculate methane (CH4) emissions from manure management systems
calc_ch4_ration_rice | Calculate a ration component's contribution to methane (CH4) emissions from rice cultivation
calc_co2eq | Convert methane (CH4) and nitrous oxide (N2O) emissions to CO2-equivalents (CO2eq) using Global Warming Potentials (GWP) factors
calc_co2_ration_crop_activities | Calculate a ration component's contribution to carbon dioxide (CO2) emissions from on-field agricultural activities
calc_co2_ration_fertilizer | Calculate a ration component's contribution to carbon dioxide (CO2) emissions from fertilizer manufacture
calc_co2_ration_luc_nopeat | Calculate a ration component's contribution to carbon dioxide (CO2) emissions from land-use change (excluding peatland drainage)
calc_co2_ration_luc_peat | Calculate a ration component's contribution to carbon dioxide (CO2) emissions from peatland drainage
calc_co2_ration_pesticides | Calculate a ration component's contribution to carbon dioxide (CO2) emissions from pesticide manufacture
calc_cohort_totals | Calculate totals by cohort
calc_cohort_to_herd_aggregation | Aggregate cohort-level to herd-level data
calc_cohort_weights | Calculate live weights by cohort and life stage
calc_conversion_factor_ym | Calculate methane conversion factor (ym)
calc_daily_weight_gain | Calculate daily weight gain by cohort
calc_fecundity_rates | Calculate daily fecundity rates
calc_feed_digestibility_fraction | Calculate feed digestibility fraction
calc_fibre_allocation_energy | Calculate fibre energy requirements (for biophysical allocation)
calc_fibre_production | Calculate fibre production
calc_meat_allocation_energy | Calculate meat energy requirements (for biophysical allocation)
calc_meat_production | Calculate meat production
calc_metabolic_energy_req_activity | Calculate metabolic energy requirements for activity
calc_metabolic_energy_req_fibre | Calculate metabolic energy requirements for fibre production
calc_metabolic_energy_req_growth | Calculate metabolic energy requirements for growth
calc_metabolic_energy_req_lactation | Calculate metabolic energy requirements for lactation
calc_metabolic_energy_req_maintenance | Calculate metabolic energy requirements for maintenance
calc_metabolic_energy_req_pregnancy | Calculate metabolic energy requirements for pregnancy
calc_metabolic_energy_req_work | Calculate metabolic energy requirements for work
calc_milk_allocation_energy | Calculate milk energy requirements (for biophysical allocation)
calc_milk_production | Calculate milk production
calc_n2o_manure_direct | Calculate direct Nitrous Oxide (N2O) emissions from manure management systems
calc_n2o_manure_leaching | Calculate indirect Nitrous Oxide (N2O) emissions from manure leaching and runoff
calc_n2o_manure_total | Calculate total Nitrous Oxide (N2O) emissions from manure
calc_n2o_manure_volatilization | Calculate indirect Nitrous Oxide (N2O) emissions from manure volatilization
calc_n2o_ration_crop_residues | Calculate a ration component's contribution to nitrous oxide (N2O) emissions from crop residues decomposition
calc_n2o_ration_fertilizer | Calculate a ration component's contribution to nitrous oxide (N2O) emissions from fertilizer use
calc_n2o_ration_manure | Calculate a ration component's contribution to nitrous oxide (N2O) emissions from manure application and deposition
calc_nitrogen_excretion | Calculate daily nitrogen excretion
calc_nitrogen_intake | Calculate daily nitrogen intake
calc_nitrogen_retention | Calculate daily nitrogen retention
calc_projected_population_size | Calculate one year of steady-state population dynamics
calc_ration_ash | Calculate diet ash contribution for a ration component
calc_ration_digestibility | Calculate diet digestibility contribution for a ration component
calc_ration_gross_energy | Calculate diet gross energy contribution for a ration component
calc_ration_intake | Calculate daily ration intake in dry matter
calc_ration_metabolizable_energy | Calculate diet metabolizable energy contribution for a ration component
calc_ration_nitrogen_content | Calculate diet nitrogen contribution for a ration component
calc_ration_urinary_energy_fraction | Calculate urinary energy fraction contribution for a ration component
calc_reg_growth | Calculate the ratio of net energy available for growth in the diet (REG – Net Energy for Growth / Digestible Energy)
calc_rem_maintenance | Calculate ratio of net energy available for maintenance in the diet (REM - Net Energy for Maintenance / Digestible Energy)
calc_steady_state_structure | Calculate steady-state population structure
calc_summary_offtake | Summarise offtake and stock Variation for a steady-state year
calc_total_metabolic_energy_req | Calculate total metabolic energy requirements
calc_transition_probabilities | Calculate transition probabilities for sex-age classes
calc_volatile_solids | Calculate Volatile Solids (VS)
calc_work_allocation_energy | Calculate work energy requirements (for biophysical allocation)
run_aggregation_module | Run Aggregation Module Pipeline
run_allocation_module | Run Allocation Module Pipeline
run_demographic_herd_module | Run Demographic Herd Module Pipeline
run_emissions_enteric_module | Run Enteric Methane (CH4) Emissions Module Pipeline
run_emissions_manure_module | Run Emissions from Manure Module Pipeline
run_emissions_ration_module | Run Emissions from Feed Production Module Pipeline
run_gleam | Run the full Global Livestock Environmental Assessment Model (GLEAM) Pipeline
run_metabolic_energy_req_module | Run Metabolic Energy Requirements and Dry Matter Intake Module Pipeline
run_nitrogen_balance_module | Run Nitrogen Balance Module Pipeline
run_production_module | Run Production Module Pipeline
run_ration_quality_module | Run Ration Quality Module Pipeline
run_weights_module | Run Weights Module Pipeline