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Within-plot design
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In order to prevent early outcompetition of slow growing species by fast growing ones and thus to allow for complete establishment of all species, we will plant each species in monospecific rectangular patches of 64 m2 each (figure 2). The size of this area is adopted from canopy properties of adult trees (mean crown diameter). We therefore expect that each patch will be occupied by only one single individual in the long-term.
Trees will be planted in rows with 2 m distance between rows. The within-row distance will be approximated to common planting practice and will therefore differ according to the species. This will result in three groups of planting density, with 5,000, 3,300 and 2,500 individuals per hectar, respectively. In a mid-term time frame, we suspect that thinning interventions in managed subplots and self-thinning in unmanaged subplots will result in similar overall densities. |
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Within-plot design for a 2-species mixture |
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