Climatic variables and bioclimatic indices

Meteorological precipitation, seasonal temperature parameters, and climatic indices (such as Martonne index) required by climate-sensitive growth models.

Plot-level variables

Mean_annual_precipitation (AA_RAINFALL) — decimal • mm • output: RAIN_AA

Mean annual cumulative precipitation of the plot. Used as a general climatic descriptor and in calculating De Martonne aridity index.
Mean_annual_temperature (MA_TEMPERATURE) — decimal • °c • output: TEMP_MA

Mean annual temperature of the plot. Used as a general climatic descriptor and in calculating De Martonne aridity index.
September_precipitation (SEPTEMBER_RAIN) — decimal • mm • output: RAIN_SEP

Mean monthly precipitation for September. Used in mushroom yield estimation in Ppinaster_m_stand__iberian_peninsula and IBEROPT (Herrero et al., 2019), and mycorrhizal fungal diversity in Cladanifer_stand__zam (Hernández-Rodríguez et al., 2015).
September_mean_temperature (SEPTEMBER_TEMP) — decimal • °c • output: TEMP_SEP

Mean monthly temperature for September. Used in mushroom yield estimation in Ppinaster_m_stand__iberian_peninsula and IBEROPT (Herrero et al., 2019).
November_precipitation (NOVEMBER_RAIN) — decimal • mm • output: RAIN_NOV

Mean monthly precipitation for November. Used in mushroom yield estimation in Ppinaster_m_stand__iberian_peninsula and IBEROPT (Herrero et al., 2019).
November_mean_temperature (NOVEMBER_TEMP) — decimal • °c • output: TEMP_NOV

Mean monthly temperature for November. Used in mushroom yield estimation in Ppinaster_m_stand__iberian_peninsula and IBEROPT (Herrero et al., 2019).
Martonne — decimal • dimensionless • output: M

De Martonne aridity index (P / (T + 10)). Used in the Mixed Models of Spain (mixed_models_Spain) to adjust diameter growth, survival, height-diameter curves, and maximum stand density (year <= 2020).

Accepted inventory aliases: Martonne_2001_2020, Martonne_2001-2020, Martonne_index

Reference: Martonne (1926). L’indice d’aridité. Bulletin de l’Association de géographes français.
Martonne_2021-2040 (MARTONNE_2020) — decimal • dimensionless • output: M_2020

De Martonne aridity index projected for 2021-2040. Used in mixed_models_Spain for climate projections in that year range.

Reference: Martonne (1926). L’indice d’aridité. Bulletin de l’Association de géographes français.
Martonne_2041-2060 (MARTONNE_2040) — decimal • dimensionless • output: M_2040

De Martonne aridity index projected for 2041-2060. Used in mixed_models_Spain for climate projections in that year range.

Reference: Martonne (1926). L’indice d’aridité. Bulletin de l’Association de géographes français.
Martonne_2061-2080 (MARTONNE_2060) — decimal • dimensionless • output: M_2060

De Martonne aridity index projected for 2061-2080. Used in mixed_models_Spain for climate projections in that year range.

Reference: Martonne (1926). L’indice d’aridité. Bulletin de l’Association de géographes français.
Martonne_2081-2100 (MARTONNE_2080) — decimal • dimensionless • output: M_2080

De Martonne aridity index projected for 2081-2100. Used in mixed_models_Spain for climate projections beyond 2080.

Reference: Martonne (1926). L’indice d’aridité. Bulletin de l’Association de géographes français.
August_september_precipitation (RAIN_AS) — decimal • mm • output: RAIN_AS

Cumulative precipitation for August and September. Used in Cladanifer_stand__zam (Hernández-Rodríguez et al., 2015) to estimate mycorrhizal fungal diversity.
September_october_minimum_temperature (TMIN_SO) — decimal • °c • output: TMIN_SO

Mean minimum temperature for September and October. Autumn climatic variable registered for shrubland mycology models (Cladanifer_stand__zam).
October_november_minimum_temperature (TMIN_ON) — decimal • °c • output: TMIN_ON

Mean minimum temperature for October and November. Used in Cladanifer_stand__zam (Hernández-Rodríguez et al., 2015) to estimate saprotrophic fungal diversity.
October_november_december_minimum_temperature (TMIN_OND) — decimal • °c • output: TMIN_OND

Mean minimum temperature from October to December. Used in Cladanifer_stand__zam (Hernández-Rodríguez et al., 2015) to estimate saprotrophic fungal diversity.
October_minimum_temperature (TMMIN_OCT) — decimal • °c • output: TMMIN_OCT

Monthly mean of daily minimum temperatures in October. Used in Cladanifer_stand__zam (Hernández-Rodríguez et al., 2015) to estimate mycorrhizal fungal yield.
Sum_mean_temperatures_september_october (TSUM_MEAN_SO) — decimal • °c • output: TSUM_MEAN_SO

Sum of mean monthly temperatures of September and October. Used in Cladanifer_stand__zam (Hernández-Rodríguez et al., 2015) to estimate Boletus edulis yield.
Sum_minimum_temperatures_september_october (TSUM_MMIN_SO) — decimal • °c • output: TSUM_MMIN_SO

Sum of minimum temperatures of September and October. Used in Cladanifer_stand__zam (Hernández-Rodríguez et al., 2015) to calculate Boletus edulis yield and mycorrhizal diversity.
Sum_minimum_temperatures_october_november (TSUM_MMIN_ON) — decimal • °c • output: TSUM_MMIN_ON

Sum of minimum temperatures of October and November. Used in Cladanifer_stand__zam (Hernández-Rodríguez et al., 2015) to estimate saprotrophic fungal yield.
Sum_minimum_temperatures_september_december (TSUM_MMIN_SOND) — decimal • °c • output: TSUM_MMIN_SOND

Sum of minimum temperatures from September to December. Used in Cladanifer_stand__zam (Hernández-Rodríguez et al., 2015) to estimate saprotrophic fungal yield.
Temperature_sum (TSUM) — decimal • °c • output: TSUM

Cumulative temperature thermal sum (April, May, and June 30-year mean). Used in the SiTree model (Antón-Fernández et al., 2016) as a thermal modifier for site index estimation.
Monthly_moisture_surplus (MSJ) — decimal • mm • output: MSJ

Monthly moisture surplus in June defined as the difference between 30-year mean precipitation and potential evapotranspiration. Used in the SiTree model (Antón-Fernández et al., 2016) as a moisture modifier for site index estimation.

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