The formal process for updating this process guide will begin 3 years after publication. In exceptional circumstances, and only if significant changes to the process of developing indicators are ...

The current plant environment requires measurements that can predict, not just measure, the outcomes from maintenance activities. One strategy is to examine a set of leading indicators to judge how ...

DR. CLEMENTS'S enthusiastic and prolific researches in pure ecology are well known to botanists. In his latest publication he endeavours to apply his principles and methods to the practical problems ...