Figure 1From: Nitrogen leaching losses from forests in New ZealandLong-term variation in nitrate concentrations (a) and leaching losses (b) in stream flow from Puruki catchment of pasture before radiata pine planting, through tree planting, growth and logging to regrowth of the second rotation crop. Data was obtained monthly. Bars show standard errors. After Quinn and Ritter (2003).Back to article page