although there are many other vulnerability factors those below have been selected for analysis due to their relative importance for food availability and access as identified in part of the report the impact of climate variability and extremes on agriculture and food security an analysis of the evidence and case studies interseasonal climate extremes i i climate data are aggregated over cropping areas smoothed for small geographical scale events especially in large countries the production and import data time series have been detrended by applying a loess approach detrending refers to removing a trend from a time series where a trend usually refers to a change in the mean over time figures and h show in white the countries where part of the production or imports variability is explained by climate indicators and the correlation is statistically significant