|0||Absent (not practiced in the culture, or practiced but not a food source)||1|
|1||Minor (forms a relatively insignificant part of diet)||6|
|2||Medium (a significant food source, but not one of the most important sources of food)||3|
|3||Major (one of the most important sources of food)||26|
|4||Principal (more important than any other source of food)||97|
This section concerns land and water-based subsistence activities. Subsistence activities are those that are aimed at obtaining food directly. Activities undertaken for commerce rather than subsistence should be coded under "trade / wage labour" rather than land and water-based subsistence activities.