From GCB ( Stevens et al., 2006 ): 1. In this study we investigate the impact of ... on ... using a field survey of ... 2. Our aim is to identify ... , and to shed light on the mechanisms that may be driving ... 3. ... were studied ... 4. ... were surveyed and ... wer ...
Gains from Wood et al. (2009) – Rain forest nutrient cycling and productivity in response to large-scale litter manipulation Shan Xu There exists time lag between litter production and the release of nutrient from litter . Seasonal variability, forest age and soil fertility influ ...