Modeling agricultural surpluses in whole France with NOPOLU System2

Calculation of Agricultural surpluses on yearly basis

• Why and How modeling surpluses• Description of the model• Approach using CLC• Some recent adaptations

Synthesis on whole France

Surplus (tons) Bilan (tons)

Entity Surplus (tons)

Arithmetic Surplus (tons)

Arithmetic Bilan (tons)

Area CLC (km2)

Area SAU (km2)

Air Deposit (tons)

1 608 757 959 692 1 608 757 1 606 515 936 237 475 175 304 028 670 278

nb entities positive Bilan

nb entities positive Surplus

nb entities positive global

Surplusnb entities

negative Bilan

nb entities negative Surplus

avg SAU Surplus Density

3 243 3 490 3 490 271 24 53

Surplus (tons) Bilan (tons)

Entity Surplus (tons)

Arithmetic Surplus (tons)

Arithmetic Bilan (tons)

Area CLC (km2)

Area SAU (km2)

Air Deposit (tons)

1 610 139 960 397 1 610 139 1 608 496 936 237 335 446 304 028 672 259

On NUTS4 level

On watershed level

nb entities positive

Bilan

nb entities positive Surplus

nb entities positive global

Surplus

nb entities negative

Bilan

nb entities negative Surplus

avg SAU Surplus Density

5 588 6 139 6 139 600 49 53

Nitrogen net load aggregated on NUTS4

Nitrogen net load aggregated on watershed

Nitrogen net load density on agricultural areas aggregated on NUTS4 level

Nitrogen net load density on agricultural areas aggregated on CLC2 NUTS4 level

Nitrogen net load density on agricultural areas aggregated on watershed level

Europe Atmospheric deposit from model EMEP year 2000 results on square grid 50x50 km

Zoom on France Atmospheric deposit from model EMEP year 2000 results on square grid 50x50 km

Atmospheric deposit aggregated by NUTS4 (Source model EMEP year 2000)

Nitrogen total load density on whole entity aggregated par canton

Nitrogen total load density on whole entity aggregated by watershed

Nitrogen surpluses density on agricultural areas aggregated by watershed

Nitrogen net load aggregated on NUTS4 for Maize (D06)

Nitrogen net load density aggregated on NUTS4 for Maize (D06)

Synthetic Fertilizer density by NUTS4 entity for Maize (D06)

Organic Fertilizer density by NUTS4 entity for Maize (D06)

Nitrogen surpluses density on NUTS4 entity level for Maize (D06)

Nitrogen surpluses on NUTS4 entity level for Maize (D06)

Pig's live stocks by NUTS4

Nitrogen load to atmosphere from pigs (J/13)

Nitrogen manageable load from pigs (J/13)

Nitrogen net load from pigs (J/13)