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Ecological Processes
Fig. 5 | Ecological Processes

Fig. 5

From: Effects of nitrogen addition and drought on the relationship between nitrogen- and water-use efficiency in a temperate grassland

Fig. 5

Relationship between WUEINST and NUEINST (a–d), and between WUELT and NUELT (e–h) of the six studied species. Each panel is based on the pooled-together data from two experimental treatments as indicated in its upper right corner, to enlarge the span of data points along the WUE and NUE gradients. Across the panels, the effects of N addition (b and f relative to a and e, respectively) and drought (d and h relative to c and g, respectively) on WUE–NUE relationship can be seen

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