Table 1 Included area, total AGB and the production of milk and meat across sensitivity checks A to G and the scenario of grassland-based dairy in Europe and North America

From: An exploration of biodiversity limits to grazing ruminant milk and meat production

 

Baseline

Grazing areas

Grazing intensity

Historical legacy

Herd structure and productivity

Reforestation of all areas in forest biomes (A)

No restoration from reintroduced low-intensity grazing (B)

Low-intensity grazing on all HYDE grazing areas (C)

20% biomass removal (D)

No grazing in arid areas and 20% biomass removal in temperate areas (F)

Historical land use comparing to the year 1800 (E)

Historical land use comparing to the year 1500 (G)

Introduction of grassland-based milk production in all of Europe and North America (H)

Area (million km2)

23.2

21.7

21. 8

32.3

23.2

10.5

25.2

23.0

23.2

AGB (Gt)

2.51

2.31

2.29

4.24

2.51

1.80

2.87

2.50

2.51

Meat (Mt SW)

6.2 (28%)

5.8 (26%)

5.8 (26%)

10.2 (45%)

12.4 (56%)

8.9 (31%)

7.0 (40%)

6.2 (28%)

6.0 (27%)

Milk (Mt)

17.1 (9%)

16.1 (9%)

16.2 (9%)

28.9 (16%)

34.1 (19%)

24.2 (11%)

19.6 (13%)

17.2 (9%)

29.8 (16%)

  1. For meat and milk, the values in parenthesis show the percentages compared to milk and meat currently produced in grassland-based systems. SW, slaughter weight.