Fig. 2
From: Opportunities and challenges for an Indonesian forest monitoring network
a Plot areas, b total plot area under different lengths of monitoring and c total monitoring effort (i.e. sum of area multiplied by monitoring length for each plot) for permanent sample plots (PSPs) in primary forest (excluding the National Forest Inventory) on major islands of Indonesia. For panel (c), note that plots only measured once are given a monitoring length of 1Â year and also note the logarithmic scale