Time lines and trend and change analysis chronologies of events, listing major remembered
events in a village with approximate dates; people’s
accounts of the past, of how things close to
them have changed, ecological histories, changes
in land use and cropping patterns, changes in customs
and practices, changes and trends in population,
migration, fuels used, education, health,
credit and the causes of changes and trends, often
in a participatory mode with estimation of relative
magnitudes;