Table 1 Hierarchical classification applied to CF and WF data in the SEL database.
From: A multilevel carbon and water footprint dataset of food commodities
Level of aggregation | Description of aggregated food commodities |
|---|---|
Group | Wide category of food commodity. The database includes 4 groups. 1) Agricultural processed covering manly plant based industrial processed food. 2) Animal husbandry covering products of terrestrial animal origin. 3) Crops covering fresh or minimally processed plant based products like dried, canned, frozen vegetables and fruit. 4) Fishing which includes products from fresh and salted waters. |
Typology | Aggregated level of food commodity as generally known in the food system. It represents a group of items having similar characteristics. For example the typology “legumes” includes peas, lentils, beans, soybeans etc. |
Sub-typology | Used to subdivide three typologies (vegetables, fruit, shellfish) which include a large variability of items (i.e. the typology “shellfish” includes the sub-typologies crustacean, bivalves and cephalopods). |
Item | It is the most detailed level for aggregated data. Generally, the item name corresponds to common market definitions (ex. tomato, mussels, milk). The level of detail proposed depends on the available data source. |
