date:May 07, 2014
n the guide is to survey and map the catchment landscape for relevant features, including vegetation buffer strips, the type of buffer vegetation, the slope of agricultural fields and 'flow paths' that concentrate runoff, for example, gullies formed by soil erosion or drainage ditches.
The next step involves using an 'identification key' to assess the potential for pesticides to enter water bodies, based on information in the landscape survey. Users answer a series of questions about the landsc